diff --git a/doc/source/conf.py b/doc/source/conf.py
index 12d1d40..7e4503d 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -127,8 +127,11 @@
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-git_cmd = "git log --pretty=format:'%ad, commit %h' --date=local -n1"
-html_last_updated_fmt = os.popen(git_cmd).read()
+git_cmd = ["git", "log", "--pretty=format:'%ad, commit %h'", "--date=local",
+   "-n1"]
+html_last_updated_fmt = subprocess.Popen(git_cmd,
+                                         stdout=subprocess.PIPE).\
+                                         communicate()[0]
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index a16f3b7..e428592 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -3,7 +3,7 @@
 Tempest Configuration Guide
 ===========================
 
-This guide is a starting point for configuring tempest. It aims to elaborate
+This guide is a starting point for configuring Tempest. It aims to elaborate
 on and explain some of the mandatory and common configuration settings and how
 they are used in conjunction. The source of truth on each option is the sample
 config file which explains the purpose of each individual option. You can see
@@ -12,83 +12,79 @@
 Auth/Credentials
 ----------------
 
-Tempest currently has 2 different ways in configuration to provide credentials
-to use when running tempest. One is a traditional set of configuration options
-in the tempest.conf file. These options are in the identity section and let you
-specify a regular user, a global admin user, and an alternate user set of
-credentials. (which consist of a username, password, and project/tenant name)
-These options should be clearly labelled in the sample config file in the
-identity section.
+Tempest currently has two different ways in configuration to provide credentials
+to use when running Tempest. One is a traditional set of configuration options
+in the tempest.conf file. These options are clearly labelled in the ``identity``
+section and let you specify a set of credentials for a regular user, a global
+admin user, and an alternate user, consisting of a username, password, and
+project/tenant name.
 
 The other method to provide credentials is using the accounts.yaml file. This
 file is used to specify an arbitrary number of users available to run tests
-with. You can specify the location of the file in the
-auth section in the tempest.conf file. To see the specific format used in
-the file please refer to the accounts.yaml.sample file included in tempest.
-Currently users that are specified in the accounts.yaml file are assumed to
-have the same set of roles which can be used for executing all the tests you
-are running. This will be addressed in the future, but is a current limitation.
-Eventually the config options for providing credentials to tempest will be
-deprecated and removed in favor of the accounts.yaml file.
+with. You can specify the location of the file in the ``auth`` section in the
+tempest.conf file. To see the specific format used in the file please refer to
+the accounts.yaml.sample file included in Tempest.  Eventually the config
+options for providing credentials to Tempest will be deprecated and removed in
+favor of the accounts.yaml file.
 
 Keystone Connection Info
 ^^^^^^^^^^^^^^^^^^^^^^^^
-In order for tempest to be able to talk to your OpenStack deployment you need
+In order for Tempest to be able to talk to your OpenStack deployment you need
 to provide it with information about how it communicates with keystone.
-This involves configuring the following options in the identity section:
+This involves configuring the following options in the ``identity`` section:
 
- #. auth_version
- #. uri
- #. uri_v3
+ #. ``auth_version``
+ #. ``uri``
+ #. ``uri_v3``
 
-The *auth_version* option is used to tell tempest whether it should be using
+The ``auth_version`` option is used to tell Tempest whether it should be using
 keystone's v2 or v3 api for communicating with keystone. (except for the
-identity api tests which will test a specific version) The 2 uri options are
-used to tell tempest the url of the keystone endpoint. The *uri* option is used
-for keystone v2 request and *uri_v3* is used for keystone v3. You want to ensure
-that which ever version you set for *auth_version* has its uri option defined.
+identity api tests which will test a specific version) The two uri options are
+used to tell Tempest the url of the keystone endpoint. The ``uri`` option is
+used for keystone v2 request and ``uri_v3`` is used for keystone v3. You want to
+ensure that which ever version you set for ``auth_version`` has its uri option
+defined.
 
 
 Credential Provider Mechanisms
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Tempest currently also has 3 different internal methods for providing
-authentication to tests. Dynamic credentials, locking test accounts, and
+Tempest currently also has three different internal methods for providing
+authentication to tests: dynamic credentials, locking test accounts, and
 non-locking test accounts. Depending on which one is in use the configuration
-of tempest is slightly different.
+of Tempest is slightly different.
 
 Dynamic Credentials
 """""""""""""""""""
 Dynamic Credentials (formerly known as Tenant isolation) was originally created
-to enable running tempest in parallel.
-For each test class it creates a unique set of user credentials to use for the
-tests in the class. It can create up to 3 sets of username, password, and
-tenant/project names for a primary user, an admin user, and an alternate user.
-To enable and use dynamic credentials you only need to configure 2 things:
+to enable running Tempest in parallel.  For each test class it creates a unique
+set of user credentials to use for the tests in the class. It can create up to
+three sets of username, password, and tenant/project names for a primary user,
+an admin user, and an alternate user.  To enable and use dynamic credentials you
+only need to configure two things:
 
  #. A set of admin credentials with permissions to create users and
-    tenants/projects. This is specified in the auth section with the
-    admin_username, admin_tenant_name, admin_domain_name and admin_password
-    options
- #. To enable dynamic_creds in the auth section with the
-    use_dynamic_credentials option.
+    tenants/projects. This is specified in the ``auth`` section with the
+    ``admin_username``, ``admin_tenant_name``, ``admin_domain_name`` and
+    ``admin_password`` options
+ #. To enable dynamic credentials in the ``auth`` section with the
+    ``use_dynamic_credentials`` option.
 
-This is also the currently the default credential provider enabled by tempest,
-due to it's common use and ease of configuration.
+This is also currently the default credential provider enabled by Tempest, due
+to its common use and ease of configuration.
 
 It is worth pointing out that depending on your cloud configuration you might
 need to assign a role to each of the users created by Tempest's dynamic
-credentials.
-This can be set using the *tempest_roles* option. It takes in a list of role
-names each of which will be assigned to each of the users created by dynamic
-credentials. This option will not have any effect when set and tempest is not
+credentials.  This can be set using the ``tempest_roles`` option. It takes in a
+list of role names each of which will be assigned to each of the users created
+by dynamic credentials. This option will not have any effect when Tempest is not
 configured to use dynamic credentials.
 
 
-Locking Test Accounts (aka accounts.yaml or accounts file)
-""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+Pre-Provisioned Credentials (aka accounts.yaml or accounts file)
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 For a long time using dynamic credentials was the only method available if you
-wanted to enable parallel execution of tempest tests. However this was
+wanted to enable parallel execution of Tempest tests. However, this was
 insufficient for certain use cases because of the admin credentials requirement
 to create the credential sets on demand. To get around that the accounts.yaml
 file was introduced and with that a new internal credential provider to enable
@@ -99,17 +95,21 @@
 
 To enable and use locking test accounts you need do a few things:
 
- #. Create a accounts.yaml file which contains the set of pre-existing
+ #. Create an accounts.yaml file which contains the set of pre-existing
     credentials to use for testing. To make sure you don't have a credentials
-    starvation issue when running in parallel make sure you have at least 2
-    times the number of worker processes you are using to execute tempest
-    available in the file. (if running serially the worker count is 1)
+    starvation issue when running in parallel make sure you have at least two
+    times the number of worker processes you are using to execute Tempest
+    available in the file. (If running serially the worker count is 1.)
 
-    You can check the sample file packaged in tempest for the yaml format
- #. Provide tempest with the location of your accounts.yaml file with the
-    test_accounts_file option in the auth section
+    You can check the accounts.yaml.sample file packaged in Tempest for the yaml
+    format.
+ #. Provide Tempest with the location of your accounts.yaml file with the
+    ``test_accounts_file`` option in the ``auth`` section
 
- #. Set use_dynamic_credentials = False in the auth group
+    *NOTE: Be sure to use a full path for the file; otherwise Tempest will
+    likely not find it.*
+
+ #. Set ``use_dynamic_credentials = False`` in the ``auth`` group
 
 It is worth pointing out that each set of credentials in the accounts.yaml
 should have a unique tenant. This is required to provide proper isolation
@@ -117,40 +117,40 @@
 unexpected failures in some tests.
 
 
-Legacy test accounts (aka credentials config options)
-"""""""""""""""""""""""""""""""""""""""""""""""""""""
-**Starting in the Liberty release this mechanism was deprecated and will be
-removed in a future release**
+Legacy Credentials (aka credentials config options)
+"""""""""""""""""""""""""""""""""""""""""""""""""""
+**Starting in the Liberty release this mechanism was deprecated; it will be
+removed in a future release.**
 
 When Tempest was refactored to allow for locking test accounts, the original
 non-tenant isolated case was converted to internally work similarly to the
 accounts.yaml file. This mechanism was then called the legacy test accounts
 provider. To use the legacy test accounts provider you can specify the sets of
-credentials in the configuration file like detailed above with following 9
-options in the identity section:
+credentials in the configuration file as detailed above with following nine
+options in the ``identity`` section:
 
- #. username
- #. password
- #. tenant_name
- #. admin_username
- #. admin_password
- #. admin_tenant_name
- #. alt_username
- #. alt_password
- #. alt_tenant_name
+ #. ``username``
+ #. ``password``
+ #. ``tenant_name``
+ #. ``admin_username``
+ #. ``admin_password``
+ #. ``admin_tenant_name``
+ #. ``alt_username``
+ #. ``alt_password``
+ #. ``alt_tenant_name``
 
-And in the auth section:
+And in the ``auth`` section:
 
- #. use_dynamic_credentials = False
- #. comment out 'test_accounts_file' or keep it as empty
+ #. ``use_dynamic_credentials = False``
+ #. Comment out ``test_accounts_file`` or keep it empty.
 
-It only makes sense to use it if parallel execution isn't needed, since tempest
-won't be able to properly isolate tests using this. Additionally, using the
-traditional config options for credentials is not able to provide credentials to
-tests which requires specific roles on accounts. This is because the config
-options do not give sufficient flexibility to describe the roles assigned to a
-user for running the tests. There are additional limitations with regard to
-network configuration when using this credential provider mechanism, see the
+It only makes sense to use this if parallel execution isn't needed, since
+Tempest won't be able to properly isolate tests using this. Additionally, using
+the traditional config options for credentials is not able to provide
+credentials to tests requiring specific roles on accounts. This is because the
+config options do not give sufficient flexibility to describe the roles assigned
+to a user for running the tests. There are additional limitations with regard to
+network configuration when using this credential provider mechanism - see the
 `Networking`_ section below.
 
 Compute
@@ -158,63 +158,64 @@
 
 Flavors
 ^^^^^^^
-For tempest to be able to create servers you need to specify flavors that it
-can use to boot the servers with. There are 2 options in the tempest config
+For Tempest to be able to create servers you need to specify flavors that it
+can use to boot the servers with. There are two options in the Tempest config
 for doing this:
 
- #. flavor_ref
- #. flavor_ref_alt
+ #. ``flavor_ref``
+ #. ``flavor_ref_alt``
 
-Both of these options are in the compute section of the config file and take
-in the flavor id (not the name) from nova. The *flavor_ref* option is what will
-be used for booting almost all of the guests, *flavor_ref_alt* is only used in
-tests where 2 different sized servers are required. (for example a resize test)
+Both of these options are in the ``compute`` section of the config file and take
+in the flavor id (not the name) from nova. The ``flavor_ref`` option is what
+will be used for booting almost all of the guests; ``flavor_ref_alt`` is only
+used in tests where two different-sized servers are required (for example, a
+resize test).
 
-Using a smaller flavor is generally recommended, when larger flavors are used
+Using a smaller flavor is generally recommended. When larger flavors are used,
 the extra time required to bring up servers will likely affect total run time
 and probably require tweaking timeout values to ensure tests have ample time to
 finish.
 
 Images
 ^^^^^^
-Just like with flavors, tempest needs to know which images to use for booting
-servers. There are 2 options in the compute section just like with flavors:
+Just like with flavors, Tempest needs to know which images to use for booting
+servers. There are two options in the compute section just like with flavors:
 
- #. image_ref
- #. image_ref_alt
+ #. ``image_ref``
+ #. ``image_ref_alt``
 
-Both options are expecting an image id (not name) from nova. The *image_ref*
-option is what will be used for booting the majority of servers in tempest.
-*image_ref_alt* is used for tests that require 2 images such as rebuild. If 2
-images are not available you can set both options to the same image_ref and
+Both options are expecting an image id (not name) from nova. The ``image_ref``
+option is what will be used for booting the majority of servers in Tempest.
+``image_ref_alt`` is used for tests that require two images such as rebuild. If
+two images are not available you can set both options to the same image id and
 those tests will be skipped.
 
-There are also options in the scenario section for images:
+There are also options in the ``scenario`` section for images:
 
- #. img_file
- #. img_dir
- #. aki_img_file
- #. ari_img_file
- #. ami_img_file
- #. img_container_format
- #. img_disk_format
+ #. ``img_file``
+ #. ``img_dir``
+ #. ``aki_img_file``
+ #. ``ari_img_file``
+ #. ``ami_img_file``
+ #. ``img_container_format``
+ #. ``img_disk_format``
 
-however unlike the other image options these are used for a very small subset
+However, unlike the other image options, these are used for a very small subset
 of scenario tests which are uploading an image. These options are used to tell
-tempest where an image file is located and describe it's metadata for when it's
+Tempest where an image file is located and describe its metadata for when it is
 uploaded.
 
-The behavior of these options is a bit convoluted (which will likely be fixed
-in future versions). You first need to specify *img_dir*, which is the directory
-tempest will look for the image files in. First it will check if the filename
-set for *img_file* could be found in *img_dir*. If it is found then the
-*img_container_format* and *img_disk_format* options are used to upload that
-image to glance. However if it's not found tempest will look for the 3 uec image
-file name options as a fallback. If neither is found the tests requiring an
-image to upload will fail.
+The behavior of these options is a bit convoluted (which will likely be fixed in
+future versions). You first need to specify ``img_dir``, which is the directory
+in which Tempest will look for the image files. First it will check if the
+filename set for ``img_file`` could be found in ``img_dir``. If it is found then
+the ``img_container_format`` and ``img_disk_format`` options are used to upload
+that image to glance. However, if it is not found, Tempest will look for the
+three uec image file name options as a fallback. If neither is found, the tests
+requiring an image to upload will fail.
 
 It is worth pointing out that using `cirros`_ is a very good choice for running
-tempest. It's what is used for upstream testing, they boot quickly and have a
+Tempest. It's what is used for upstream testing, they boot quickly and have a
 small footprint.
 
 .. _cirros: https://launchpad.net/cirros
@@ -222,9 +223,9 @@
 Networking
 ----------
 OpenStack has a myriad of different networking configurations possible and
-depending on which of the 2 network backends, nova-network or neutron, you are
+depending on which of the two network backends, nova-network or neutron, you are
 using things can vary drastically. Due to this complexity Tempest has to provide
-a certain level of flexibility in it's configuration to ensure it will work
+a certain level of flexibility in its configuration to ensure it will work
 against any cloud. This ends up causing a large number of permutations in
 Tempest's config around network configuration.
 
@@ -236,7 +237,7 @@
 for doing this can be different. In certain configurations it is required to
 specify a single network with server create calls. Accordingly, Tempest provides
 a few different methods for providing this information in configuration to try
-and ensure that regardless of the clouds configuration it'll still be able to
+and ensure that regardless of the cloud's configuration it'll still be able to
 run. This section covers the different methods of configuring Tempest to provide
 a network when creating servers.
 
@@ -245,17 +246,17 @@
 This is the simplest method of specifying how networks should be used. You can
 just specify a single network name/label to use for all server creations. The
 limitation with this is that all tenants/projects and users must be able to see
-that network name/label if they were to perform a network list and be able to
-use it.
+that network name/label if they are to perform a network list and be able to use
+it.
 
 If no network name is assigned in the config file and none of the below
 alternatives are used, then Tempest will not specify a network on server
 creations, which depending on the cloud configuration might prevent them from
 booting.
 
-To set a fixed network name simply do:
+To set a fixed network name simply:
 
- #. Set the fixed_network_name option in the compute group
+ #. Set the ``fixed_network_name`` option in the ``compute`` group
 
 In the case that the configured fixed network name can not be found by a user
 network list call, it will be treated like one was not provided except that a
@@ -269,8 +270,8 @@
 server creations on a per tenant/project and user pair basis. This provides
 the necessary flexibility to work with more intricate networking configurations
 by enabling the user to specify exactly which network to use for which
-tenants/projects. You can refer to the accounts.yaml sample file included in
-the tempest repo for the syntax around specifying networks in the file.
+tenants/projects. You can refer to the accounts.yaml.sample file included in
+the Tempest repo for the syntax around specifying networks in the file.
 
 However, specifying a network is not required when using an accounts file. If
 one is not specified you can use a fixed network name to specify the network to
@@ -289,29 +290,29 @@
 
 With Dynamic Credentials
 """"""""""""""""""""""""
-With dynamic credentials enabled and using nova-network then nothing changes.
-Your only option for configuration is to either set a fixed network name or not.
-However, in most cases it shouldn't matter because nova-network should have no
-problem booting a server with multiple networks. If this is not the case for
-your cloud then using an accounts file is recommended because it provides the
-necessary flexibility to describe your configuration. Dynamic credentials is not
-able to dynamically allocate things as necessary if neutron is not enabled.
+With dynamic credentials enabled and using nova-network, your only option for
+configuration is to either set a fixed network name or not.  However, in most
+cases it shouldn't matter because nova-network should have no problem booting a
+server with multiple networks. If this is not the case for your cloud then using
+an accounts file is recommended because it provides the necessary flexibility to
+describe your configuration. Dynamic credentials is not able to dynamically
+allocate things as necessary if neutron is not enabled.
 
 With neutron and dynamic credentials enabled there should not be any additional
 configuration necessary to enable Tempest to create servers with working
-networking, assuming you have properly configured the network section to work
-for your cloud. Tempest will dynamically create the neutron resources necessary
-to enable using servers with that network. Also, just as with the accounts
-file, if you specify a fixed network name while using neutron and dynamic
-credentials it will enable running tests which require a static network and it
-will additionally be used as a fallback for server creation. However, unlike
-accounts.yaml this should never be triggered.
+networking, assuming you have properly configured the ``network`` section to
+work for your cloud. Tempest will dynamically create the neutron resources
+necessary to enable using servers with that network. Also, just as with the
+accounts file, if you specify a fixed network name while using neutron and
+dynamic credentials it will enable running tests which require a static network
+and it will additionally be used as a fallback for server creation. However,
+unlike accounts.yaml this should never be triggered.
 
-However, there is an option *create_isolated_networks* to disable dynamic
-credentials's automatic provisioning of network resources. If this option is
-used you will have to either rely on there only being a single/default network
-available for the server creation, or use *fixed_network_name* to inform
-Tempest which network to use.
+However, there is an option ``create_isolated_networks`` to disable dynamic
+credentials's automatic provisioning of network resources. If this option is set
+to False you will have to either rely on there only being a single/default
+network available for the server creation, or use ``fixed_network_name`` to
+inform Tempest which network to use.
 
 Configuring Available Services
 ------------------------------
@@ -322,7 +323,7 @@
 out which tests it is able to run and certain setup steps which differ based
 on the available services.
 
-The *service_available* section of the config file is used to set which
+The ``service_available`` section of the config file is used to set which
 services are available. It contains a boolean option for each service (except
 for keystone which is a hard requirement) set it to True if the service is
 available or False if it is not.
@@ -331,56 +332,56 @@
 ^^^^^^^^^^^^^^^
 Each project which has its own REST API contains an entry in the service
 catalog. Like most things in OpenStack this is also completely configurable.
-However, for tempest to be able to figure out the endpoints to send REST API
-calls for each service to it needs to know how that project is defined in the
-service catalog. There are 3 options for each service section to accomplish
+However, for Tempest to be able to figure out which endpoints should get REST
+API calls for each service, it needs to know how that project is defined in the
+service catalog. There are three options for each service section to accomplish
 this:
 
- #. catalog_type
- #. endpoint_type
- #. region
+ #. ``catalog_type``
+ #. ``endpoint_type``
+ #. ``region``
 
-Setting *catalog_type* and *endpoint_type* should normally give Tempest enough
-information to determine which endpoint it should pull from the service
-catalog to use for talking to that particular service. However, if you're cloud
-has multiple regions available and you need to specify a particular one to use
-a service you can set the *region* option in that service's section.
+Setting ``catalog_type`` and ``endpoint_type`` should normally give Tempest
+enough information to determine which endpoint it should pull from the service
+catalog to use for talking to that particular service. However, if your cloud
+has multiple regions available and you need to specify a particular one to use a
+service you can set the ``region`` option in that service's section.
 
 It should also be noted that the default values for these options are set
-to what devstack uses. (which is a de facto standard for service catalog
-entries) So often nothing actually needs to be set on these options to enable
+to what devstack uses (which is a de facto standard for service catalog
+entries). So often nothing actually needs to be set on these options to enable
 communication to a particular service. It is only if you are either not using
-the same *catalog_type* as devstack or you want Tempest to talk to a different
+the same ``catalog_type`` as devstack or you want Tempest to talk to a different
 endpoint type instead of publicURL for a service that these need to be changed.
 
 .. note::
 
-    Tempest does not serve all kind of fancy URLs in the service catalog.
-    Service catalog should be in a standard format (which is going to be
-    standardized at keystone level).
-    Tempest expects URLs in the Service catalog in below format:
-     * http://example.com:1234/<version-info>
+    Tempest does not serve all kinds of fancy URLs in the service catalog.  The
+    service catalog should be in a standard format (which is going to be
+    standardized at the keystone level).
+    Tempest expects URLs in the Service catalog in the following format:
+     * ``http://example.com:1234/<version-info>``
     Examples:
-     * Good - http://example.com:1234/v2.0
-     * Wouldn’t work -  http://example.com:1234/xyz/v2.0/
+     * Good - ``http://example.com:1234/v2.0``
+     * Wouldn’t work -  ``http://example.com:1234/xyz/v2.0/``
        (adding prefix/suffix around version etc)
 
-Service feature configuration
+Service Feature Configuration
 -----------------------------
 
-OpenStack provides its deployers a myriad of different configuration options
-to enable anyone deploying it to create a cloud tailor-made for any individual
-use case. It provides options for several different backend type, databases,
+OpenStack provides its deployers a myriad of different configuration options to
+enable anyone deploying it to create a cloud tailor-made for any individual use
+case. It provides options for several different backend types, databases,
 message queues, etc. However, the downside to this configurability is that
 certain operations and features aren't supported depending on the configuration.
 These features may or may not be discoverable from the API so the burden is
-often on the user to figure out what the cloud they're talking to supports.
-Besides the obvious interoperability issues with this it also leaves Tempest
-in an interesting situation trying to figure out which tests are expected to
-work. However, Tempest tests do not rely on dynamic api discovery for a feature
-(assuming one exists). Instead Tempest has to be explicitly configured as to
-which optional features are enabled. This is in order to prevent bugs in the
-discovery mechanisms from masking failures.
+often on the user to figure out what is supported by the cloud they're talking
+to.  Besides the obvious interoperability issues with this it also leaves
+Tempest in an interesting situation trying to figure out which tests are
+expected to work. However, Tempest tests do not rely on dynamic API discovery
+for a feature (assuming one exists). Instead Tempest has to be explicitly
+configured as to which optional features are enabled. This is in order to
+prevent bugs in the discovery mechanisms from masking failures.
 
 The service feature-enabled config sections are how Tempest addresses the
 optional feature question. Each service that has tests for optional features
@@ -392,10 +393,10 @@
 
 API Extensions
 ^^^^^^^^^^^^^^
-The service feature-enabled sections often contain an *api-extensions* option
-(or in the case of swift a *discoverable_apis* option) this is used to tell
-tempest which api extensions (or configurable middleware) is used in your
-deployment. It has 2 valid config states, either it contains a single value
-"all" (which is the default) which means that every api extension is assumed
+The service feature-enabled sections often contain an ``api-extensions`` option
+(or in the case of swift a ``discoverable_apis`` option). This is used to tell
+Tempest which api extensions (or configurable middleware) is used in your
+deployment. It has two valid config states: either it contains a single value
+``all`` (which is the default) which means that every api extension is assumed
 to be enabled, or it is set to a list of each individual extension that is
 enabled for that service.
diff --git a/requirements.txt b/requirements.txt
index 469b294..aa304a4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,15 +12,16 @@
 testrepository>=0.0.18
 pyOpenSSL>=0.14
 oslo.concurrency>=2.3.0 # Apache-2.0
-oslo.config>=2.7.0 # Apache-2.0
+oslo.config>=3.2.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
-oslo.log>=1.12.0 # Apache-2.0
+oslo.log>=1.14.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.2.0 # Apache-2.0
 six>=1.9.0
 iso8601>=0.1.9
 fixtures>=1.3.1
 testscenarios>=0.4
-tempest-lib>=0.12.0
+tempest-lib>=0.13.0
 PyYAML>=3.1.0
 stevedore>=1.5.0 # Apache-2.0
+PrettyTable<0.8,>=0.7
diff --git a/setup.cfg b/setup.cfg
index 4415063..183c1fb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -36,6 +36,8 @@
     init = tempest.cmd.init:TempestInit
     cleanup = tempest.cmd.cleanup:TempestCleanup
     run-stress = tempest.cmd.run_stress:TempestRunStress
+    list-plugins = tempest.cmd.list_plugins:TempestListPlugins
+    verify-config = tempest.cmd.verify_tempest_config:TempestVerifyConfig
 oslo.config.opts =
     tempest.config = tempest.config:list_opts
 
diff --git a/tempest/api/compute/admin/test_agents.py b/tempest/api/compute/admin/test_agents.py
index d2b3a81..9f7bbae 100644
--- a/tempest/api/compute/admin/test_agents.py
+++ b/tempest/api/compute/admin/test_agents.py
@@ -53,7 +53,7 @@
         if rand_key in kwargs:
             # NOTE: The rand_name is for avoiding agent conflicts.
             # If you try to create an agent with the same hypervisor,
-            # os and architecture as an exising agent, Nova will return
+            # os and architecture as an existing agent, Nova will return
             # an HTTPConflict or HTTPServerError.
             kwargs[rand_key] = data_utils.rand_name(kwargs[rand_key])
         return kwargs
diff --git a/tempest/api/compute/admin/test_aggregates.py b/tempest/api/compute/admin/test_aggregates.py
index ddd9aa0..1d83fec 100644
--- a/tempest/api/compute/admin/test_aggregates.py
+++ b/tempest/api/compute/admin/test_aggregates.py
@@ -145,7 +145,7 @@
 
     @test.idempotent_id('c8e85064-e79b-4906-9931-c11c24294d02')
     def test_aggregate_add_remove_host(self):
-        # Add an host to the given aggregate and remove.
+        # Add a host to the given aggregate and remove.
         self.useFixture(fixtures.LockFixture('availability_zone'))
         aggregate_name = data_utils.rand_name(self.aggregate_name_prefix)
         aggregate = (self.client.create_aggregate(name=aggregate_name)
@@ -168,7 +168,7 @@
 
     @test.idempotent_id('7f6a1cc5-2446-4cdb-9baa-b6ae0a919b72')
     def test_aggregate_add_host_list(self):
-        # Add an host to the given aggregate and list.
+        # Add a host to the given aggregate and list.
         self.useFixture(fixtures.LockFixture('availability_zone'))
         aggregate_name = data_utils.rand_name(self.aggregate_name_prefix)
         aggregate = (self.client.create_aggregate(name=aggregate_name)
@@ -188,7 +188,7 @@
 
     @test.idempotent_id('eeef473c-7c52-494d-9f09-2ed7fc8fc036')
     def test_aggregate_add_host_get_details(self):
-        # Add an host to the given aggregate and get details.
+        # Add a host to the given aggregate and get details.
         self.useFixture(fixtures.LockFixture('availability_zone'))
         aggregate_name = data_utils.rand_name(self.aggregate_name_prefix)
         aggregate = (self.client.create_aggregate(name=aggregate_name)
@@ -205,7 +205,7 @@
 
     @test.idempotent_id('96be03c7-570d-409c-90f8-e4db3c646996')
     def test_aggregate_add_host_create_server_with_az(self):
-        # Add an host to the given aggregate and create a server.
+        # Add a host to the given aggregate and create a server.
         self.useFixture(fixtures.LockFixture('availability_zone'))
         aggregate_name = data_utils.rand_name(self.aggregate_name_prefix)
         az_name = data_utils.rand_name(self.az_name_prefix)
diff --git a/tempest/api/compute/admin/test_security_groups.py b/tempest/api/compute/admin/test_security_groups.py
index e31129b..1494745 100644
--- a/tempest/api/compute/admin/test_security_groups.py
+++ b/tempest/api/compute/admin/test_security_groups.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from tempest.api.compute import base
 from tempest.common.utils import data_utils
 from tempest import config
@@ -38,9 +36,6 @@
             self.client.delete_security_group(securitygroup_id)
 
     @test.idempotent_id('49667619-5af9-4c63-ab5d-2cfdd1c8f7f1')
-    @testtools.skipIf(CONF.service_available.neutron,
-                      "Skipped because neutron does not support all_tenants "
-                      "search filter.")
     @test.services('network')
     def test_list_security_groups_list_all_tenants_filter(self):
         # Admin can list security groups of all tenants
diff --git a/tempest/api/compute/admin/test_servers_negative.py b/tempest/api/compute/admin/test_servers_negative.py
index 055dc1b..23b8a6c 100644
--- a/tempest/api/compute/admin/test_servers_negative.py
+++ b/tempest/api/compute/admin/test_servers_negative.py
@@ -155,7 +155,7 @@
         self.client.suspend_server(server_id)
         waiters.wait_for_server_status(self.client,
                                        server_id, 'SUSPENDED')
-        # migrate an suspended server should fail
+        # migrate a suspended server should fail
         self.assertRaises(lib_exc.Conflict,
                           self.client.migrate_server,
                           server_id)
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index aa8ee3f..8a27929 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -55,6 +55,13 @@
     @classmethod
     def setup_credentials(cls):
         cls.set_network_resources()
+        cls.request_microversion = (
+            api_version_utils.select_request_microversion(
+                cls.min_microversion,
+                CONF.compute_feature_enabled.min_microversion))
+        if cls.request_microversion:
+            cls.services_microversion = {
+                CONF.compute.catalog_type: cls.request_microversion}
         super(BaseV2ComputeTest, cls).setup_credentials()
 
     @classmethod
@@ -63,12 +70,13 @@
         cls.servers_client = cls.os.servers_client
         cls.server_groups_client = cls.os.server_groups_client
         cls.flavors_client = cls.os.flavors_client
-        cls.images_client = cls.os.images_client
+        cls.compute_images_client = cls.os.compute_images_client
         cls.extensions_client = cls.os.extensions_client
         cls.floating_ip_pools_client = cls.os.floating_ip_pools_client
         cls.floating_ips_client = cls.os.compute_floating_ips_client
         cls.keypairs_client = cls.os.keypairs_client
-        cls.security_group_rules_client = cls.os.security_group_rules_client
+        cls.security_group_rules_client = (
+            cls.os.compute_security_group_rules_client)
         cls.security_groups_client = cls.os.compute_security_groups_client
         cls.quotas_client = cls.os.quotas_client
         cls.quota_classes_client = cls.os.quota_classes_client
@@ -170,7 +178,7 @@
         LOG.debug('Clearing images: %s', ','.join(cls.images))
         for image_id in cls.images:
             try:
-                cls.images_client.delete_image(image_id)
+                cls.compute_images_client.delete_image(image_id)
             except lib_exc.NotFound:
                 # The image may have already been deleted which is OK.
                 pass
@@ -278,8 +286,8 @@
             # into the delete_volume method as a convenience to the caller.
             volumes_client.wait_for_resource_deletion(volume_id)
         except lib_exc.NotFound:
-            LOG.warn("Unable to delete volume '%s' since it was not found. "
-                     "Maybe it was already deleted?" % volume_id)
+            LOG.warning("Unable to delete volume '%s' since it was not found. "
+                        "Maybe it was already deleted?" % volume_id)
 
     @classmethod
     def prepare_instance_network(cls):
@@ -295,14 +303,14 @@
         if 'name' in kwargs:
             name = kwargs.pop('name')
 
-        image = cls.images_client.create_image(server_id, name=name)
+        image = cls.compute_images_client.create_image(server_id, name=name)
         image_id = data_utils.parse_image_id(image.response['location'])
         cls.images.append(image_id)
 
         if 'wait_until' in kwargs:
-            waiters.wait_for_image_status(cls.images_client,
+            waiters.wait_for_image_status(cls.compute_images_client,
                                           image_id, kwargs['wait_until'])
-            image = cls.images_client.show_image(image_id)['image']
+            image = cls.compute_images_client.show_image(image_id)['image']
 
             if kwargs['wait_until'] == 'ACTIVE':
                 if kwargs.get('wait_for_server', True):
diff --git a/tempest/api/compute/images/test_image_metadata.py b/tempest/api/compute/images/test_image_metadata.py
index 975b850..0724566 100644
--- a/tempest/api/compute/images/test_image_metadata.py
+++ b/tempest/api/compute/images/test_image_metadata.py
@@ -37,7 +37,7 @@
     def setup_clients(cls):
         super(ImagesMetadataTestJSON, cls).setup_clients()
         cls.glance_client = cls.os.image_client
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/images/test_image_metadata_negative.py b/tempest/api/compute/images/test_image_metadata_negative.py
index 0f02166..85d137b 100644
--- a/tempest/api/compute/images/test_image_metadata_negative.py
+++ b/tempest/api/compute/images/test_image_metadata_negative.py
@@ -25,7 +25,7 @@
     @classmethod
     def setup_clients(cls):
         super(ImagesMetadataTestJSON, cls).setup_clients()
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
 
     @test.attr(type=['negative'])
     @test.idempotent_id('94069db2-792f-4fa8-8bd3-2271a6e0c095')
diff --git a/tempest/api/compute/images/test_images.py b/tempest/api/compute/images/test_images.py
index dc62620..150e8af 100644
--- a/tempest/api/compute/images/test_images.py
+++ b/tempest/api/compute/images/test_images.py
@@ -37,7 +37,7 @@
     @classmethod
     def setup_clients(cls):
         super(ImagesTestJSON, cls).setup_clients()
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
         cls.servers_client = cls.servers_client
 
     @test.idempotent_id('aa06b52b-2db5-4807-b218-9441f75d74e3')
diff --git a/tempest/api/compute/images/test_images_negative.py b/tempest/api/compute/images/test_images_negative.py
index 9197adf..8f6ede9 100644
--- a/tempest/api/compute/images/test_images_negative.py
+++ b/tempest/api/compute/images/test_images_negative.py
@@ -39,7 +39,7 @@
     @classmethod
     def setup_clients(cls):
         super(ImagesNegativeTestJSON, cls).setup_clients()
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
         cls.servers_client = cls.servers_client
 
     @test.attr(type=['negative'])
diff --git a/tempest/api/compute/images/test_images_oneserver.py b/tempest/api/compute/images/test_images_oneserver.py
index 37c2bb6..7b978ab 100644
--- a/tempest/api/compute/images/test_images_oneserver.py
+++ b/tempest/api/compute/images/test_images_oneserver.py
@@ -62,7 +62,7 @@
     @classmethod
     def setup_clients(cls):
         super(ImagesOneServerTestJSON, cls).setup_clients()
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/images/test_images_oneserver_negative.py b/tempest/api/compute/images/test_images_oneserver_negative.py
index 9ea62fb..2fc9ef8 100644
--- a/tempest/api/compute/images/test_images_oneserver_negative.py
+++ b/tempest/api/compute/images/test_images_oneserver_negative.py
@@ -76,7 +76,7 @@
     @classmethod
     def setup_clients(cls):
         super(ImagesOneServerNegativeTestJSON, cls).setup_clients()
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/compute/images/test_list_image_filters.py b/tempest/api/compute/images/test_list_image_filters.py
index 9f3ba71..af840cc 100644
--- a/tempest/api/compute/images/test_list_image_filters.py
+++ b/tempest/api/compute/images/test_list_image_filters.py
@@ -15,7 +15,6 @@
 
 import time
 
-from oslo_log import log as logging
 import six
 import testtools
 
@@ -27,8 +26,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class ListImageFiltersTestJSON(base.BaseV2ComputeTest):
 
@@ -42,7 +39,7 @@
     @classmethod
     def setup_clients(cls):
         super(ListImageFiltersTestJSON, cls).setup_clients()
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
         cls.glance_client = cls.os.image_client
 
     @classmethod
diff --git a/tempest/api/compute/images/test_list_image_filters_negative.py b/tempest/api/compute/images/test_list_image_filters_negative.py
index 82062bd..34d26e2 100644
--- a/tempest/api/compute/images/test_list_image_filters_negative.py
+++ b/tempest/api/compute/images/test_list_image_filters_negative.py
@@ -34,7 +34,7 @@
     @classmethod
     def setup_clients(cls):
         super(ListImageFiltersNegativeTestJSON, cls).setup_clients()
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
 
     @test.attr(type=['negative'])
     @test.idempotent_id('391b0440-432c-4d4b-b5da-c5096aa247eb')
diff --git a/tempest/api/compute/images/test_list_images.py b/tempest/api/compute/images/test_list_images.py
index 6ca15d6..ae3667d 100644
--- a/tempest/api/compute/images/test_list_images.py
+++ b/tempest/api/compute/images/test_list_images.py
@@ -32,7 +32,7 @@
     @classmethod
     def setup_clients(cls):
         super(ListImagesTestJSON, cls).setup_clients()
-        cls.client = cls.images_client
+        cls.client = cls.compute_images_client
 
     @test.idempotent_id('490d0898-e12a-463f-aef0-c50156b9f789')
     def test_get_image(self):
diff --git a/tempest/api/compute/servers/test_attach_interfaces.py b/tempest/api/compute/servers/test_attach_interfaces.py
index 24d503f..a6ccdd3 100644
--- a/tempest/api/compute/servers/test_attach_interfaces.py
+++ b/tempest/api/compute/servers/test_attach_interfaces.py
@@ -47,7 +47,7 @@
         cls.client = cls.os.interfaces_client
 
     def wait_for_interface_status(self, server, port_id, status):
-        """Waits for a interface to reach a given status."""
+        """Waits for an interface to reach a given status."""
         body = (self.client.show_interface(server, port_id)
                 ['interfaceAttachment'])
         interface_status = body['port_state']
diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
index f51c2db..e1c22e5 100644
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -262,13 +262,16 @@
                           'Instance validation tests are disabled.')
     def test_verify_created_server_ephemeral_disk(self):
         # Verify that the ephemeral disk is created when creating server
+        flavor_base = self.flavors_client.show_flavor(
+            self.flavor_ref)['flavor']
 
         def create_flavor_with_extra_specs():
             flavor_with_eph_disk_name = data_utils.rand_name('eph_flavor')
             flavor_with_eph_disk_id = data_utils.rand_int_id(start=1000)
-            ram = 64
-            vcpus = 1
-            disk = 0
+
+            ram = flavor_base['ram']
+            vcpus = flavor_base['vcpus']
+            disk = flavor_base['disk']
 
             # Create a flavor with extra specs
             flavor = (self.flavor_client.
@@ -284,9 +287,9 @@
             flavor_no_eph_disk_name = data_utils.rand_name('no_eph_flavor')
             flavor_no_eph_disk_id = data_utils.rand_int_id(start=1000)
 
-            ram = 64
-            vcpus = 1
-            disk = 0
+            ram = flavor_base['ram']
+            vcpus = flavor_base['vcpus']
+            disk = flavor_base['disk']
 
             # Create a flavor without extra specs
             flavor = (self.flavor_client.
diff --git a/tempest/api/compute/servers/test_list_server_filters.py b/tempest/api/compute/servers/test_list_server_filters.py
index 3acff98..d1ec064 100644
--- a/tempest/api/compute/servers/test_list_server_filters.py
+++ b/tempest/api/compute/servers/test_list_server_filters.py
@@ -43,7 +43,7 @@
         super(ListServerFiltersTestJSON, cls).resource_setup()
 
         # Check to see if the alternate image ref actually exists...
-        images_client = cls.images_client
+        images_client = cls.compute_images_client
         images = images_client.list_images()['images']
 
         if cls.image_ref != cls.image_ref_alt and \
@@ -56,13 +56,13 @@
         # Do some sanity checks here. If one of the images does
         # not exist, fail early since the tests won't work...
         try:
-            cls.images_client.show_image(cls.image_ref)
+            cls.compute_images_client.show_image(cls.image_ref)
         except lib_exc.NotFound:
             raise RuntimeError("Image %s (image_ref) was not found!" %
                                cls.image_ref)
 
         try:
-            cls.images_client.show_image(cls.image_ref_alt)
+            cls.compute_images_client.show_image(cls.image_ref_alt)
         except lib_exc.NotFound:
             raise RuntimeError("Image %s (image_ref_alt) was not found!" %
                                cls.image_ref_alt)
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index aa6abff..66e85a6 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -458,7 +458,7 @@
         server = self.client.show_server(self.server_id)['server']
         image_name = server['name'] + '-shelved'
         params = {'name': image_name}
-        images = self.images_client.list_images(**params)['images']
+        images = self.compute_images_client.list_images(**params)['images']
         self.assertEqual(1, len(images))
         self.assertEqual(image_name, images[0]['name'])
 
diff --git a/tempest/api/compute/servers/test_servers_negative.py b/tempest/api/compute/servers/test_servers_negative.py
index ed8484e..681b5db 100644
--- a/tempest/api/compute/servers/test_servers_negative.py
+++ b/tempest/api/compute/servers/test_servers_negative.py
@@ -490,7 +490,7 @@
         server = self.client.show_server(self.server_id)['server']
         image_name = server['name'] + '-shelved'
         params = {'name': image_name}
-        images = self.images_client.list_images(**params)['images']
+        images = self.compute_images_client.list_images(**params)['images']
         self.assertEqual(1, len(images))
         self.assertEqual(image_name, images[0]['name'])
 
diff --git a/tempest/api/compute/test_authorization.py b/tempest/api/compute/test_authorization.py
index e363fc4..bf4396d 100644
--- a/tempest/api/compute/test_authorization.py
+++ b/tempest/api/compute/test_authorization.py
@@ -48,18 +48,19 @@
     def setup_clients(cls):
         super(AuthorizationTestJSON, cls).setup_clients()
         cls.client = cls.os.servers_client
-        cls.images_client = cls.os.images_client
+        cls.compute_images_client = cls.os.compute_images_client
         cls.glance_client = cls.os.image_client
         cls.keypairs_client = cls.os.keypairs_client
         cls.security_client = cls.os.compute_security_groups_client
-        cls.rule_client = cls.os.security_group_rules_client
+        cls.rule_client = cls.os.compute_security_group_rules_client
 
         cls.alt_client = cls.alt_manager.servers_client
-        cls.alt_images_client = cls.alt_manager.images_client
+        cls.alt_compute_images_client = cls.alt_manager.compute_images_client
         cls.alt_keypairs_client = cls.alt_manager.keypairs_client
         cls.alt_security_client = (
             cls.alt_manager.compute_security_groups_client)
-        cls.alt_rule_client = cls.alt_manager.security_group_rules_client
+        cls.alt_rule_client = (
+            cls.alt_manager.compute_security_group_rules_client)
 
     @classmethod
     def resource_setup(cls):
@@ -77,7 +78,7 @@
         body = cls.glance_client.update_image(image_id,
                                               data=image_file)['image']
         cls.glance_client.wait_for_image_status(image_id, 'active')
-        cls.image = cls.images_client.show_image(image_id)['image']
+        cls.image = cls.compute_images_client.show_image(image_id)['image']
 
         cls.keypairname = data_utils.rand_name('keypair')
         cls.keypairs_client.create_keypair(name=cls.keypairname)
@@ -98,7 +99,7 @@
     @classmethod
     def resource_cleanup(cls):
         if hasattr(cls, 'image'):
-            cls.images_client.delete_image(cls.image['id'])
+            cls.compute_images_client.delete_image(cls.image['id'])
         if hasattr(cls, 'keypairname'):
             cls.keypairs_client.delete_keypair(cls.keypairname)
         if hasattr(cls, 'security_group'):
@@ -175,7 +176,7 @@
     def test_create_image_for_alt_account_fails(self):
         # A create image request for another user's server should fail
         self.assertRaises(lib_exc.NotFound,
-                          self.alt_images_client.create_image,
+                          self.alt_compute_images_client.create_image,
                           self.server['id'], name='testImage')
 
     @test.idempotent_id('95d445f6-babc-4f2e-aea3-aa24ec5e7f0d')
@@ -261,13 +262,14 @@
     def test_get_image_for_alt_account_fails(self):
         # A GET request for an image on another user's account should fail
         self.assertRaises(lib_exc.NotFound,
-                          self.alt_images_client.show_image, self.image['id'])
+                          self.alt_compute_images_client.show_image,
+                          self.image['id'])
 
     @test.idempotent_id('9facb962-f043-4a9d-b9ee-166a32dea098')
     def test_delete_image_for_alt_account_fails(self):
         # A DELETE request for another user's image should fail
         self.assertRaises(lib_exc.NotFound,
-                          self.alt_images_client.delete_image,
+                          self.alt_compute_images_client.delete_image,
                           self.image['id'])
 
     @test.idempotent_id('752c917e-83be-499d-a422-3559127f7d3c')
@@ -390,7 +392,7 @@
         # A set metadata for another user's image should fail
         req_metadata = {'meta1': 'value1', 'meta2': 'value2'}
         self.assertRaises(lib_exc.NotFound,
-                          self.alt_images_client.set_image_metadata,
+                          self.alt_compute_images_client.set_image_metadata,
                           self.image['id'], req_metadata)
 
     @test.idempotent_id('dea1936a-473d-49f2-92ad-97bb7aded22e')
@@ -408,13 +410,14 @@
     def test_get_metadata_of_alt_account_image_fails(self):
         # A get metadata for another user's image should fail
         req_metadata = {'meta1': 'value1'}
-        self.addCleanup(self.images_client.delete_image_metadata_item,
+        self.addCleanup(self.compute_images_client.delete_image_metadata_item,
                         self.image['id'], 'meta1')
-        self.images_client.set_image_metadata(self.image['id'],
-                                              req_metadata)
-        self.assertRaises(lib_exc.NotFound,
-                          self.alt_images_client.show_image_metadata_item,
-                          self.image['id'], 'meta1')
+        self.compute_images_client.set_image_metadata(self.image['id'],
+                                                      req_metadata)
+        self.assertRaises(
+            lib_exc.NotFound,
+            self.alt_compute_images_client.show_image_metadata_item,
+            self.image['id'], 'meta1')
 
     @test.idempotent_id('79531e2e-e721-493c-8b30-a35db36fdaa6')
     def test_delete_metadata_of_alt_account_server_fails(self):
@@ -431,13 +434,14 @@
     def test_delete_metadata_of_alt_account_image_fails(self):
         # A delete metadata for another user's image should fail
         req_metadata = {'meta1': 'data1'}
-        self.addCleanup(self.images_client.delete_image_metadata_item,
+        self.addCleanup(self.compute_images_client.delete_image_metadata_item,
                         self.image['id'], 'meta1')
-        self.images_client.set_image_metadata(self.image['id'],
-                                              req_metadata)
-        self.assertRaises(lib_exc.NotFound,
-                          self.alt_images_client.delete_image_metadata_item,
-                          self.image['id'], 'meta1')
+        self.compute_images_client.set_image_metadata(self.image['id'],
+                                                      req_metadata)
+        self.assertRaises(
+            lib_exc.NotFound,
+            self.alt_compute_images_client.delete_image_metadata_item,
+            self.image['id'], 'meta1')
 
     @test.idempotent_id('b0c1e7a0-8853-40fd-8384-01f93d116cae')
     def test_get_console_output_of_alt_account_server_fails(self):
diff --git a/tempest/api/compute/volumes/test_attach_volume.py b/tempest/api/compute/volumes/test_attach_volume.py
index b4837f7..468c79a 100644
--- a/tempest/api/compute/volumes/test_attach_volume.py
+++ b/tempest/api/compute/volumes/test_attach_volume.py
@@ -75,7 +75,7 @@
 
         # Create a volume and wait for it to become ready
         self.volume = self.volumes_client.create_volume(
-            CONF.volume.volume_size, display_name='test')['volume']
+            size=CONF.volume.volume_size, display_name='test')['volume']
         self.addCleanup(self._delete_volume)
         self.volumes_client.wait_for_volume_status(self.volume['id'],
                                                    'available')
diff --git a/tempest/api/compute/volumes/test_volume_snapshots.py b/tempest/api/compute/volumes/test_volume_snapshots.py
index a00c0ba..f42d153 100644
--- a/tempest/api/compute/volumes/test_volume_snapshots.py
+++ b/tempest/api/compute/volumes/test_volume_snapshots.py
@@ -50,7 +50,7 @@
         s_name = data_utils.rand_name('Snapshot')
         # Create snapshot
         snapshot = self.snapshots_client.create_snapshot(
-            volume['id'],
+            volume_id=volume['id'],
             display_name=s_name)['snapshot']
 
         def delete_snapshot(snapshot_id):
diff --git a/tempest/api/database/base.py b/tempest/api/database/base.py
index f4c1881..01e05db 100644
--- a/tempest/api/database/base.py
+++ b/tempest/api/database/base.py
@@ -13,13 +13,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest import config
 import tempest.test
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 class BaseDatabaseTest(tempest.test.BaseTestCase):
diff --git a/tempest/api/identity/admin/v2/test_tokens.py b/tempest/api/identity/admin/v2/test_tokens.py
index fdb5a5a..ee04420 100644
--- a/tempest/api/identity/admin/v2/test_tokens.py
+++ b/tempest/api/identity/admin/v2/test_tokens.py
@@ -30,8 +30,8 @@
         tenant = self.tenants_client.create_tenant(tenant_name)['tenant']
         self.data.tenants.append(tenant)
         # second:create a user
-        user = self.client.create_user(user_name, user_password,
-                                       tenant['id'], '')['user']
+        user = self.users_client.create_user(user_name, user_password,
+                                             tenant['id'], '')['user']
         self.data.users.append(user)
         # then get a token for the user
         body = self.token_client.auth(user_name,
@@ -62,8 +62,8 @@
         user_password = data_utils.rand_password()
         tenant_id = None  # No default tenant so will get unscoped token.
         email = ''
-        user = self.client.create_user(user_name, user_password,
-                                       tenant_id, email)['user']
+        user = self.users_client.create_user(user_name, user_password,
+                                             tenant_id, email)['user']
         self.data.users.append(user)
 
         # Create a couple tenants.
diff --git a/tempest/api/identity/admin/v2/test_users.py b/tempest/api/identity/admin/v2/test_users.py
index d886524..4497575 100644
--- a/tempest/api/identity/admin/v2/test_users.py
+++ b/tempest/api/identity/admin/v2/test_users.py
@@ -34,9 +34,9 @@
     def test_create_user(self):
         # Create a user
         self.data.setup_test_tenant()
-        user = self.client.create_user(self.alt_user, self.alt_password,
-                                       self.data.tenant['id'],
-                                       self.alt_email)['user']
+        user = self.users_client.create_user(self.alt_user, self.alt_password,
+                                             self.data.tenant['id'],
+                                             self.alt_email)['user']
         self.data.users.append(user)
         self.assertEqual(self.alt_user, user['name'])
 
@@ -45,9 +45,10 @@
         # Create a user with enabled : False
         self.data.setup_test_tenant()
         name = data_utils.rand_name('test_user')
-        user = self.client.create_user(name, self.alt_password,
-                                       self.data.tenant['id'],
-                                       self.alt_email, enabled=False)['user']
+        user = self.users_client.create_user(name, self.alt_password,
+                                             self.data.tenant['id'],
+                                             self.alt_email,
+                                             enabled=False)['user']
         self.data.users.append(user)
         self.assertEqual(name, user['name'])
         self.assertEqual(False, user['enabled'])
@@ -58,22 +59,22 @@
         # Test case to check if updating of user attributes is successful.
         test_user = data_utils.rand_name('test_user')
         self.data.setup_test_tenant()
-        user = self.client.create_user(test_user, self.alt_password,
-                                       self.data.tenant['id'],
-                                       self.alt_email)['user']
+        user = self.users_client.create_user(test_user, self.alt_password,
+                                             self.data.tenant['id'],
+                                             self.alt_email)['user']
         # Delete the User at the end of this method
-        self.addCleanup(self.client.delete_user, user['id'])
+        self.addCleanup(self.users_client.delete_user, user['id'])
         # Updating user details with new values
         u_name2 = data_utils.rand_name('user2')
         u_email2 = u_name2 + '@testmail.tm'
-        update_user = self.client.update_user(user['id'], name=u_name2,
-                                              email=u_email2,
-                                              enabled=False)['user']
+        update_user = self.users_client.update_user(user['id'], name=u_name2,
+                                                    email=u_email2,
+                                                    enabled=False)['user']
         self.assertEqual(u_name2, update_user['name'])
         self.assertEqual(u_email2, update_user['email'])
         self.assertEqual(False, update_user['enabled'])
         # GET by id after updating
-        updated_user = self.client.show_user(user['id'])['user']
+        updated_user = self.users_client.show_user(user['id'])['user']
         # Assert response body of GET after updating
         self.assertEqual(u_name2, updated_user['name'])
         self.assertEqual(u_email2, updated_user['email'])
@@ -84,10 +85,10 @@
         # Delete a user
         test_user = data_utils.rand_name('test_user')
         self.data.setup_test_tenant()
-        user = self.client.create_user(test_user, self.alt_password,
-                                       self.data.tenant['id'],
-                                       self.alt_email)['user']
-        self.client.delete_user(user['id'])
+        user = self.users_client.create_user(test_user, self.alt_password,
+                                             self.data.tenant['id'],
+                                             self.alt_email)['user']
+        self.users_client.delete_user(user['id'])
 
     @test.idempotent_id('aca696c3-d645-4f45-b728-63646045beb1')
     def test_user_authentication(self):
@@ -121,7 +122,7 @@
     def test_get_users(self):
         # Get a list of users and find the test user
         self.data.setup_test_user()
-        users = self.client.list_users()['users']
+        users = self.users_client.list_users()['users']
         self.assertThat([u['name'] for u in users],
                         matchers.Contains(self.data.test_user),
                         "Could not find %s" % self.data.test_user)
@@ -134,16 +135,16 @@
         fetched_user_ids = list()
         password1 = data_utils.rand_password()
         alt_tenant_user1 = data_utils.rand_name('tenant_user1')
-        user1 = self.client.create_user(alt_tenant_user1, password1,
-                                        self.data.tenant['id'],
-                                        'user1@123')['user']
+        user1 = self.users_client.create_user(alt_tenant_user1, password1,
+                                              self.data.tenant['id'],
+                                              'user1@123')['user']
         user_ids.append(user1['id'])
         self.data.users.append(user1)
         password2 = data_utils.rand_password()
         alt_tenant_user2 = data_utils.rand_name('tenant_user2')
-        user2 = self.client.create_user(alt_tenant_user2, password2,
-                                        self.data.tenant['id'],
-                                        'user2@123')['user']
+        user2 = self.users_client.create_user(alt_tenant_user2, password2,
+                                              self.data.tenant['id'],
+                                              'user2@123')['user']
         user_ids.append(user2['id'])
         self.data.users.append(user2)
         # List of users for the respective tenant ID
@@ -175,9 +176,9 @@
 
         alt_user2 = data_utils.rand_name('second_user')
         alt_password2 = data_utils.rand_password()
-        second_user = self.client.create_user(alt_user2, alt_password2,
-                                              self.data.tenant['id'],
-                                              'user2@123')['user']
+        second_user = self.users_client.create_user(alt_user2, alt_password2,
+                                                    self.data.tenant['id'],
+                                                    'user2@123')['user']
         user_ids.append(second_user['id'])
         self.data.users.append(second_user)
         role = self.roles_client.assign_user_role(tenant['id'],
@@ -201,7 +202,7 @@
         self.data.setup_test_user()
         # Updating the user with new password
         new_pass = data_utils.rand_password()
-        update_user = self.client.update_user_password(
+        update_user = self.users_client.update_user_password(
             self.data.user['id'], password=new_pass)['user']
         self.assertEqual(update_user['id'], self.data.user['id'])
 
diff --git a/tempest/api/identity/admin/v2/test_users_negative.py b/tempest/api/identity/admin/v2/test_users_negative.py
index 8fa5a36..c5248fd 100644
--- a/tempest/api/identity/admin/v2/test_users_negative.py
+++ b/tempest/api/identity/admin/v2/test_users_negative.py
@@ -37,8 +37,9 @@
         # Non-administrator should not be authorized to create a user
         self.data.setup_test_tenant()
         self.assertRaises(lib_exc.Forbidden,
-                          self.non_admin_client.create_user, self.alt_user,
-                          self.alt_password, self.data.tenant['id'],
+                          self.non_admin_users_client.create_user,
+                          self.alt_user, self.alt_password,
+                          self.data.tenant['id'],
                           self.alt_email)
 
     @test.attr(type=['negative'])
@@ -46,8 +47,8 @@
     def test_create_user_with_empty_name(self):
         # User with an empty name should not be created
         self.data.setup_test_tenant()
-        self.assertRaises(lib_exc.BadRequest, self.client.create_user, '',
-                          self.alt_password, self.data.tenant['id'],
+        self.assertRaises(lib_exc.BadRequest, self.users_client.create_user,
+                          '', self.alt_password, self.data.tenant['id'],
                           self.alt_email)
 
     @test.attr(type=['negative'])
@@ -55,7 +56,7 @@
     def test_create_user_with_name_length_over_255(self):
         # Length of user name filed should be restricted to 255 characters
         self.data.setup_test_tenant()
-        self.assertRaises(lib_exc.BadRequest, self.client.create_user,
+        self.assertRaises(lib_exc.BadRequest, self.users_client.create_user,
                           'a' * 256, self.alt_password,
                           self.data.tenant['id'], self.alt_email)
 
@@ -64,7 +65,7 @@
     def test_create_user_with_duplicate_name(self):
         # Duplicate user should not be created
         self.data.setup_test_user()
-        self.assertRaises(lib_exc.Conflict, self.client.create_user,
+        self.assertRaises(lib_exc.Conflict, self.users_client.create_user,
                           self.data.test_user, self.data.test_password,
                           self.data.tenant['id'], self.data.test_email)
 
@@ -72,7 +73,7 @@
     @test.idempotent_id('0132cc22-7c4f-42e1-9e50-ac6aad31d59a')
     def test_create_user_for_non_existent_tenant(self):
         # Attempt to create a user in a non-existent tenant should fail
-        self.assertRaises(lib_exc.NotFound, self.client.create_user,
+        self.assertRaises(lib_exc.NotFound, self.users_client.create_user,
                           self.alt_user, self.alt_password, '49ffgg99999',
                           self.alt_email)
 
@@ -85,7 +86,7 @@
         token = self.client.auth_provider.get_token()
         # Delete the token from database
         self.client.delete_token(token)
-        self.assertRaises(lib_exc.Unauthorized, self.client.create_user,
+        self.assertRaises(lib_exc.Unauthorized, self.users_client.create_user,
                           self.alt_user, self.alt_password,
                           self.data.tenant['id'], self.alt_email)
 
@@ -98,7 +99,7 @@
         # Attempt to create a user with valid enabled para should fail
         self.data.setup_test_tenant()
         name = data_utils.rand_name('test_user')
-        self.assertRaises(lib_exc.BadRequest, self.client.create_user,
+        self.assertRaises(lib_exc.BadRequest, self.users_client.create_user,
                           name, self.alt_password,
                           self.data.tenant['id'],
                           self.alt_email, enabled=3)
@@ -109,7 +110,7 @@
         # Attempt to update a user non-existent user should fail
         user_name = data_utils.rand_name('user')
         non_existent_id = str(uuid.uuid4())
-        self.assertRaises(lib_exc.NotFound, self.client.update_user,
+        self.assertRaises(lib_exc.NotFound, self.users_client.update_user,
                           non_existent_id, name=user_name)
 
     @test.attr(type=['negative'])
@@ -121,7 +122,7 @@
         token = self.client.auth_provider.get_token()
         # Delete the token from database
         self.client.delete_token(token)
-        self.assertRaises(lib_exc.Unauthorized, self.client.update_user,
+        self.assertRaises(lib_exc.Unauthorized, self.users_client.update_user,
                           self.alt_user)
 
         # Unset the token to allow further tests to generate a new token
@@ -133,7 +134,8 @@
         # Non-administrator should not be authorized to update user
         self.data.setup_test_tenant()
         self.assertRaises(lib_exc.Forbidden,
-                          self.non_admin_client.update_user, self.alt_user)
+                          self.non_admin_users_client.update_user,
+                          self.alt_user)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('d45195d5-33ed-41b9-a452-7d0d6a00f6e9')
@@ -141,14 +143,14 @@
         # Non-administrator user should not be authorized to delete a user
         self.data.setup_test_user()
         self.assertRaises(lib_exc.Forbidden,
-                          self.non_admin_client.delete_user,
+                          self.non_admin_users_client.delete_user,
                           self.data.user['id'])
 
     @test.attr(type=['negative'])
     @test.idempotent_id('7cc82f7e-9998-4f89-abae-23df36495867')
     def test_delete_non_existent_user(self):
         # Attempt to delete a non-existent user should fail
-        self.assertRaises(lib_exc.NotFound, self.client.delete_user,
+        self.assertRaises(lib_exc.NotFound, self.users_client.delete_user,
                           'junk12345123')
 
     @test.attr(type=['negative'])
@@ -160,7 +162,7 @@
         token = self.client.auth_provider.get_token()
         # Delete the token from database
         self.client.delete_token(token)
-        self.assertRaises(lib_exc.Unauthorized, self.client.delete_user,
+        self.assertRaises(lib_exc.Unauthorized, self.users_client.delete_user,
                           self.alt_user)
 
         # Unset the token to allow further tests to generate a new token
@@ -222,7 +224,7 @@
         # Non-administrator user should not be authorized to get user list
         self.data.setup_test_user()
         self.assertRaises(lib_exc.Forbidden,
-                          self.non_admin_client.list_users)
+                          self.non_admin_users_client.list_users)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('a73591ec-1903-4ffe-be42-282b39fefc9d')
@@ -230,7 +232,7 @@
         # Request to get list of users without a valid token should fail
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
-        self.assertRaises(lib_exc.Unauthorized, self.client.list_users)
+        self.assertRaises(lib_exc.Unauthorized, self.users_client.list_users)
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index e022023..21fc62a 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -86,8 +86,7 @@
     def test_list_user_groups(self):
         # create a user
         user = self.client.create_user(
-            data_utils.rand_name('User'),
-            password=data_utils.rand_name('Pass'))['user']
+            data_utils.rand_name('User'), data_utils.rand_password())['user']
         self.addCleanup(self.client.delete_user, user['id'])
         # create two groups, and add user into them
         groups = []
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index d68a204..1ad8b92 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -30,7 +30,7 @@
     @classmethod
     def disable_user(cls, user_name):
         user = cls.get_user_by_name(user_name)
-        cls.client.enable_disable_user(user['id'], enabled=False)
+        cls.users_client.enable_disable_user(user['id'], enabled=False)
 
     @classmethod
     def disable_tenant(cls, tenant_name):
@@ -39,7 +39,7 @@
 
     @classmethod
     def get_user_by_name(cls, name):
-        users = cls.client.list_users()['users']
+        users = cls.users_client.list_users()['users']
         user = [u for u in users if u['name'] == name]
         if len(user) > 0:
             return user[0]
@@ -77,6 +77,7 @@
         cls.non_admin_token_client = cls.os.token_client
         cls.non_admin_tenants_client = cls.os.tenants_public_client
         cls.non_admin_roles_client = cls.os.roles_public_client
+        cls.non_admin_users_client = cls.os.users_public_client
 
     @classmethod
     def resource_setup(cls):
@@ -101,12 +102,14 @@
         cls.non_admin_tenants_client = cls.os.tenants_client
         cls.roles_client = cls.os_adm.roles_client
         cls.non_admin_roles_client = cls.os.roles_client
+        cls.users_client = cls.os_adm.users_client
+        cls.non_admin_users_client = cls.os.users_client
 
     @classmethod
     def resource_setup(cls):
         super(BaseIdentityV2AdminTest, cls).resource_setup()
         cls.data = DataGenerator(cls.client, cls.tenants_client,
-                                 cls.roles_client)
+                                 cls.roles_client, cls.users_client)
 
     @classmethod
     def resource_cleanup(cls):
@@ -191,11 +194,13 @@
 
 class DataGenerator(object):
 
-        def __init__(self, client, tenants_client=None, roles_client=None):
+        def __init__(self, client, tenants_client=None, roles_client=None,
+                     users_client=None):
             self.client = client
             # TODO(dmellado) split Datagenerator for v2 and v3
             self.tenants_client = tenants_client
             self.roles_client = roles_client
+            self.users_client = users_client
             self.users = []
             self.tenants = []
             self.roles = []
@@ -219,10 +224,10 @@
             self.test_user = data_utils.rand_name('test_user')
             self.test_password = data_utils.rand_password()
             self.test_email = self.test_user + '@testmail.tm'
-            self.user = self.client.create_user(self.test_user,
-                                                self.test_password,
-                                                self.tenant['id'],
-                                                self.test_email)['user']
+            self.user = self.users_client.create_user(self.test_user,
+                                                      self.test_password,
+                                                      self.tenant['id'],
+                                                      self.test_email)['user']
             self.users.append(self.user)
 
         def setup_test_tenant(self):
@@ -296,7 +301,7 @@
             # (e.g. delete_tenant) So we need to check resources existence
             # before using client methods.
             for user in self.users:
-                self._try_wrapper(self.client.delete_user, user)
+                self._try_wrapper(self.users_client.delete_user, user)
             for tenant in self.tenants:
                 self._try_wrapper(self.tenants_client.delete_tenant, tenant)
             for role in self.roles:
diff --git a/tempest/api/identity/v2/test_ec2_credentials.py b/tempest/api/identity/v2/test_ec2_credentials.py
index 88161a3..bd49326 100644
--- a/tempest/api/identity/v2/test_ec2_credentials.py
+++ b/tempest/api/identity/v2/test_ec2_credentials.py
@@ -36,12 +36,12 @@
     @test.idempotent_id('b580fab9-7ae9-46e8-8138-417260cb6f9f')
     def test_create_ec2_credentials(self):
         """Create user ec2 credentials."""
-        resp = self.non_admin_client.create_user_ec2_credentials(
+        resp = self.non_admin_users_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
             tenant_id=self.creds.credentials.tenant_id)["credential"]
         access = resp['access']
         self.addCleanup(
-            self.non_admin_client.delete_user_ec2_credentials,
+            self.non_admin_users_client.delete_user_ec2_credentials,
             self.creds.credentials.user_id, access)
         self.assertNotEmpty(resp['access'])
         self.assertNotEmpty(resp['secret'])
@@ -54,24 +54,24 @@
         created_creds = []
         fetched_creds = []
         # create first ec2 credentials
-        creds1 = self.non_admin_client.create_user_ec2_credentials(
+        creds1 = self.non_admin_users_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
             tenant_id=self.creds.credentials.tenant_id)["credential"]
         created_creds.append(creds1['access'])
         # create second ec2 credentials
-        creds2 = self.non_admin_client.create_user_ec2_credentials(
+        creds2 = self.non_admin_users_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
             tenant_id=self.creds.credentials.tenant_id)["credential"]
         created_creds.append(creds2['access'])
         # add credentials to be cleaned up
         self.addCleanup(
-            self.non_admin_client.delete_user_ec2_credentials,
+            self.non_admin_users_client.delete_user_ec2_credentials,
             self.creds.credentials.user_id, creds1['access'])
         self.addCleanup(
-            self.non_admin_client.delete_user_ec2_credentials,
+            self.non_admin_users_client.delete_user_ec2_credentials,
             self.creds.credentials.user_id, creds2['access'])
         # get the list of user ec2 credentials
-        resp = self.non_admin_client.list_user_ec2_credentials(
+        resp = self.non_admin_users_client.list_user_ec2_credentials(
             self.creds.credentials.user_id)["credentials"]
         fetched_creds = [cred['access'] for cred in resp]
         # created credentials should be in a fetched list
@@ -84,14 +84,14 @@
     @test.idempotent_id('cb284075-b613-440d-83ca-fe0b33b3c2b8')
     def test_show_ec2_credentials(self):
         """Get the definite user ec2 credentials."""
-        resp = self.non_admin_client.create_user_ec2_credentials(
+        resp = self.non_admin_users_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
             tenant_id=self.creds.credentials.tenant_id)["credential"]
         self.addCleanup(
-            self.non_admin_client.delete_user_ec2_credentials,
+            self.non_admin_users_client.delete_user_ec2_credentials,
             self.creds.credentials.user_id, resp['access'])
 
-        ec2_creds = self.non_admin_client.show_user_ec2_credentials(
+        ec2_creds = self.non_admin_users_client.show_user_ec2_credentials(
             self.creds.credentials.user_id, resp['access']
         )["credential"]
         for key in ['access', 'secret', 'user_id', 'tenant_id']:
@@ -100,14 +100,14 @@
     @test.idempotent_id('6aba0d4c-b76b-4e46-aa42-add79bc1551d')
     def test_delete_ec2_credentials(self):
         """Delete user ec2 credentials."""
-        resp = self.non_admin_client.create_user_ec2_credentials(
+        resp = self.non_admin_users_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
             tenant_id=self.creds.credentials.tenant_id)["credential"]
         access = resp['access']
-        self.non_admin_client.delete_user_ec2_credentials(
+        self.non_admin_users_client.delete_user_ec2_credentials(
             self.creds.credentials.user_id, access)
         self.assertRaises(
             lib_exc.NotFound,
-            self.non_admin_client.show_user_ec2_credentials,
+            self.non_admin_users_client.show_user_ec2_credentials,
             self.creds.credentials.user_id,
             access)
diff --git a/tempest/api/identity/v2/test_users.py b/tempest/api/identity/v2/test_users.py
index 98a2e68..a59a1a0 100644
--- a/tempest/api/identity/v2/test_users.py
+++ b/tempest/api/identity/v2/test_users.py
@@ -41,8 +41,9 @@
         # we need new non-admin Identity Client with new credentials, since
         # current non_admin_client token will be revoked after updating
         # password
-        self.non_admin_client_for_cleanup = copy.copy(self.non_admin_client)
-        self.non_admin_client_for_cleanup.auth_provider = (
+        self.non_admin_users_client_for_cleanup = copy.copy(
+            self.non_admin_users_client)
+        self.non_admin_users_client_for_cleanup.auth_provider = (
             manager.get_auth_provider(self.new_creds))
         user_id = self.creds.credentials.user_id
         old_pass = self.creds.credentials.password
@@ -50,10 +51,10 @@
 
         # to change password back. important for allow_tenant_isolation = false
         self.addCleanup(
-            self.non_admin_client_for_cleanup.update_user_own_password,
+            self.non_admin_users_client_for_cleanup.update_user_own_password,
             user_id, original_password=new_pass, password=old_pass)
         # user updates own password
-        self.non_admin_client.update_user_own_password(
+        self.non_admin_users_client.update_user_own_password(
             user_id, password=new_pass, original_password=old_pass)
         # TODO(lbragstad): Sleeping after the response status has been checked
         # and the body loaded as JSON allows requests to fail-fast. The sleep
@@ -72,7 +73,7 @@
         # authorize with old token should lead to Unauthorized
         self.assertRaises(exceptions.Unauthorized,
                           self.non_admin_token_client.auth_token,
-                          self.non_admin_client.token)
+                          self.non_admin_users_client.token)
 
         # authorize with old password should lead to Unauthorized
         self.assertRaises(exceptions.Unauthorized,
diff --git a/tempest/api/image/base.py b/tempest/api/image/base.py
index c3205ce..ade7b67 100644
--- a/tempest/api/image/base.py
+++ b/tempest/api/image/base.py
@@ -12,7 +12,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 from six import moves
 from tempest_lib import exceptions as lib_exc
 
@@ -22,8 +21,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class BaseImageTest(tempest.test.BaseTestCase):
     """Base test class for Image API tests."""
@@ -62,18 +59,12 @@
     @classmethod
     def create_image(cls, **kwargs):
         """Wrapper that returns a test image."""
-        name = data_utils.rand_name(cls.__name__ + "-instance")
 
-        if 'name' in kwargs:
-            name = kwargs.pop('name')
+        if 'name' not in kwargs:
+            name = data_utils.rand_name(cls.__name__ + "-instance")
+            kwargs['name'] = name
 
-        container_format = kwargs.pop('container_format')
-        disk_format = kwargs.pop('disk_format')
-
-        image = cls.client.create_image(name=name,
-                                        container_format=container_format,
-                                        disk_format=disk_format,
-                                        **kwargs)
+        image = cls.client.create_image(**kwargs)
         # Image objects returned by the v1 client have the image
         # data inside a dict that is keyed against 'image'.
         if 'image' in image:
diff --git a/tempest/api/image/v1/test_images_negative.py b/tempest/api/image/v1/test_images_negative.py
index 3d94408..f16b80e 100644
--- a/tempest/api/image/v1/test_images_negative.py
+++ b/tempest/api/image/v1/test_images_negative.py
@@ -27,13 +27,17 @@
     def test_register_with_invalid_container_format(self):
         # Negative tests for invalid data supplied to POST /images
         self.assertRaises(lib_exc.BadRequest, self.client.create_image,
-                          'test', 'wrong', 'vhd')
+                          name='test',
+                          container_format='wrong',
+                          disk_format='vhd',)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('993face5-921d-4e84-aabf-c1bba4234a67')
     def test_register_with_invalid_disk_format(self):
         self.assertRaises(lib_exc.BadRequest, self.client.create_image,
-                          'test', 'bare', 'wrong')
+                          name='test',
+                          container_format='bare',
+                          disk_format='wrong',)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('bb016f15-0820-4f27-a92d-09b2f67d2488')
diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index 2e6c268..04582c6 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -147,7 +147,7 @@
                      for disk_fmt in disk_fmts]
 
         for (container_fmt, disk_fmt) in all_pairs[:6]:
-            LOG.debug("Creating a image"
+            LOG.debug("Creating an image"
                       "(Container format: %s, Disk format: %s).",
                       container_fmt, disk_fmt)
             cls._create_standard_image(container_fmt, disk_fmt)
diff --git a/tempest/api/messaging/base.py b/tempest/api/messaging/base.py
index 528fbea..a324c37 100644
--- a/tempest/api/messaging/base.py
+++ b/tempest/api/messaging/base.py
@@ -13,16 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from oslo_log import log as logging
-
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class BaseMessagingTest(test.BaseTestCase):
 
diff --git a/tempest/api/messaging/test_claims.py b/tempest/api/messaging/test_claims.py
index 57b8c7f..99edde1 100644
--- a/tempest/api/messaging/test_claims.py
+++ b/tempest/api/messaging/test_claims.py
@@ -13,8 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
-
 from six.moves.urllib import parse as urlparse
 from tempest_lib import decorators
 
@@ -24,7 +22,6 @@
 from tempest import test
 
 
-LOG = logging.getLogger(__name__)
 CONF = config.CONF
 
 
diff --git a/tempest/api/messaging/test_messages.py b/tempest/api/messaging/test_messages.py
index efbbf56..7f4182a 100644
--- a/tempest/api/messaging/test_messages.py
+++ b/tempest/api/messaging/test_messages.py
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 
 from tempest.api.messaging import base
 from tempest.common.utils import data_utils
@@ -21,7 +20,6 @@
 from tempest import test
 
 
-LOG = logging.getLogger(__name__)
 CONF = config.CONF
 
 
diff --git a/tempest/api/messaging/test_queues.py b/tempest/api/messaging/test_queues.py
index df49663..dcb5450 100644
--- a/tempest/api/messaging/test_queues.py
+++ b/tempest/api/messaging/test_queues.py
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import logging
 
 from six import moves
 from tempest_lib import exceptions as lib_exc
@@ -24,9 +23,6 @@
 from tempest import test
 
 
-LOG = logging.getLogger(__name__)
-
-
 class TestQueues(base.BaseMessagingTest):
 
     @test.attr(type='smoke')
diff --git a/tempest/api/network/admin/test_agent_management.py b/tempest/api/network/admin/test_agent_management.py
index 64802aa..61f8e15 100644
--- a/tempest/api/network/admin/test_agent_management.py
+++ b/tempest/api/network/admin/test_agent_management.py
@@ -29,13 +29,13 @@
     @classmethod
     def resource_setup(cls):
         super(AgentManagementTestJSON, cls).resource_setup()
-        body = cls.admin_client.list_agents()
+        body = cls.admin_agents_client.list_agents()
         agents = body['agents']
         cls.agent = agents[0]
 
     @test.idempotent_id('9c80f04d-11f3-44a4-8738-ed2f879b0ff4')
     def test_list_agent(self):
-        body = self.admin_client.list_agents()
+        body = self.admin_agents_client.list_agents()
         agents = body['agents']
         # Hearthbeats must be excluded from comparison
         self.agent.pop('heartbeat_timestamp', None)
@@ -47,12 +47,12 @@
 
     @test.idempotent_id('e335be47-b9a1-46fd-be30-0874c0b751e6')
     def test_list_agents_non_admin(self):
-        body = self.client.list_agents()
+        body = self.agents_client.list_agents()
         self.assertEqual(len(body["agents"]), 0)
 
     @test.idempotent_id('869bc8e8-0fda-4a30-9b71-f8a7cf58ca9f')
     def test_show_agent(self):
-        body = self.admin_client.show_agent(self.agent['id'])
+        body = self.admin_agents_client.show_agent(self.agent['id'])
         agent = body['agent']
         self.assertEqual(agent['id'], self.agent['id'])
 
@@ -62,8 +62,8 @@
         # Try to update the 'admin_state_up' to the original
         # one to avoid the negative effect.
         agent_status = {'admin_state_up': origin_status}
-        body = self.admin_client.update_agent(agent_id=self.agent['id'],
-                                              agent=agent_status)
+        body = self.admin_agents_client.update_agent(agent_id=self.agent['id'],
+                                                     agent=agent_status)
         updated_status = body['agent']['admin_state_up']
         self.assertEqual(origin_status, updated_status)
 
@@ -72,8 +72,8 @@
         self.useFixture(fixtures.LockFixture('agent_description'))
         description = 'description for update agent.'
         agent_description = {'description': description}
-        body = self.admin_client.update_agent(agent_id=self.agent['id'],
-                                              agent=agent_description)
+        body = self.admin_agents_client.update_agent(agent_id=self.agent['id'],
+                                                     agent=agent_description)
         self.addCleanup(self._restore_agent)
         updated_description = body['agent']['description']
         self.assertEqual(updated_description, description)
@@ -83,5 +83,5 @@
 
         description = self.agent['description'] or ''
         origin_agent = {'description': description}
-        self.admin_client.update_agent(agent_id=self.agent['id'],
-                                       agent=origin_agent)
+        self.admin_agents_client.update_agent(agent_id=self.agent['id'],
+                                              agent=origin_agent)
diff --git a/tempest/api/network/admin/test_dhcp_agent_scheduler.py b/tempest/api/network/admin/test_dhcp_agent_scheduler.py
index f186b36..5ff465b 100644
--- a/tempest/api/network/admin/test_dhcp_agent_scheduler.py
+++ b/tempest/api/network/admin/test_dhcp_agent_scheduler.py
@@ -51,7 +51,7 @@
 
     def _check_network_in_dhcp_agent(self, network_id, agent):
         network_ids = []
-        body = self.admin_client.list_networks_hosted_by_one_dhcp_agent(
+        body = self.admin_agents_client.list_networks_hosted_by_one_dhcp_agent(
             agent['id'])
         networks = body['networks']
         for network in networks:
@@ -65,7 +65,7 @@
         self.ports.remove(self.port)
         agent = dict()
         agent['agent_type'] = None
-        body = self.admin_client.list_agents()
+        body = self.admin_agents_client.list_agents()
         agents = body['agents']
         for a in agents:
             if a['agent_type'] == 'DHCP agent':
@@ -84,14 +84,14 @@
             self._remove_network_from_dhcp_agent(network_id, agent)
 
     def _remove_network_from_dhcp_agent(self, network_id, agent):
-        self.admin_client.remove_network_from_dhcp_agent(
+        self.admin_agents_client.remove_network_from_dhcp_agent(
             agent_id=agent['id'],
             network_id=network_id)
         self.assertFalse(self._check_network_in_dhcp_agent(
             network_id, agent))
 
     def _add_dhcp_agent_to_network(self, network_id, agent):
-        self.admin_client.add_dhcp_agent_to_network(agent['id'],
-                                                    network_id=network_id)
+        self.admin_agents_client.add_dhcp_agent_to_network(
+            agent['id'], network_id=network_id)
         self.assertTrue(self._check_network_in_dhcp_agent(
             network_id, agent))
diff --git a/tempest/api/network/admin/test_l3_agent_scheduler.py b/tempest/api/network/admin/test_l3_agent_scheduler.py
index 36747a3..c64cf77 100644
--- a/tempest/api/network/admin/test_l3_agent_scheduler.py
+++ b/tempest/api/network/admin/test_l3_agent_scheduler.py
@@ -14,9 +14,11 @@
 
 from tempest.api.network import base
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest import exceptions
 from tempest import test
 
+CONF = config.CONF
 AGENT_TYPE = 'L3 agent'
 AGENT_MODES = (
     'legacy',
@@ -51,7 +53,7 @@
     @classmethod
     def resource_setup(cls):
         super(L3AgentSchedulerTestJSON, cls).resource_setup()
-        body = cls.admin_client.list_agents()
+        body = cls.admin_agents_client.list_agents()
         agents = body['agents']
         for agent in agents:
             # TODO(armax): falling back on default _agent_mode can be
@@ -80,6 +82,19 @@
                 cls.port = cls.create_port(cls.network)
                 cls.client.add_router_interface_with_port_id(
                     cls.router['id'], cls.port['id'])
+                # NOTE: Sometimes we have seen this test fail with dvr in,
+                # multinode tests, since the dhcp port is not created before
+                # the test gets executed and so the router is not scheduled
+                # on the given agent. By adding the external gateway info to
+                # the router, the router should be properly scheduled in the
+                # dvr_snat node.
+                # This is a temporary work around to prevent a race condition.
+                external_gateway_info = {
+                    'network_id': CONF.network.public_network_id,
+                    'enable_snat': True}
+                cls.admin_client.update_router_with_snat_gw_info(
+                    cls.router['id'],
+                    external_gateway_info=external_gateway_info)
 
     @classmethod
     def resource_cleanup(cls):
@@ -90,12 +105,12 @@
 
     @test.idempotent_id('b7ce6e89-e837-4ded-9b78-9ed3c9c6a45a')
     def test_list_routers_on_l3_agent(self):
-        self.admin_client.list_routers_on_l3_agent(self.agent['id'])
+        self.admin_agents_client.list_routers_on_l3_agent(self.agent['id'])
 
     @test.idempotent_id('9464e5e7-8625-49c3-8fd1-89c52be59d66')
     def test_add_list_remove_router_on_l3_agent(self):
         l3_agent_ids = list()
-        self.admin_client.add_router_to_l3_agent(
+        self.admin_agents_client.add_router_to_l3_agent(
             self.agent['id'],
             router_id=self.router['id'])
         body = (
@@ -105,7 +120,7 @@
             self.assertIn('agent_type', agent)
             self.assertEqual('L3 agent', agent['agent_type'])
         self.assertIn(self.agent['id'], l3_agent_ids)
-        body = self.admin_client.remove_router_from_l3_agent(
+        body = self.admin_agents_client.remove_router_from_l3_agent(
             self.agent['id'],
             self.router['id'])
         # NOTE(afazekas): The deletion not asserted, because neutron
diff --git a/tempest/api/network/base.py b/tempest/api/network/base.py
index e155bd0..81337f3 100644
--- a/tempest/api/network/base.py
+++ b/tempest/api/network/base.py
@@ -14,7 +14,6 @@
 #    under the License.
 
 import netaddr
-from oslo_log import log as logging
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common.utils import data_utils
@@ -24,8 +23,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class BaseNetworkTest(tempest.test.BaseTestCase):
     """Base class for the Neutron tests
@@ -71,7 +68,9 @@
     def setup_clients(cls):
         super(BaseNetworkTest, cls).setup_clients()
         cls.client = cls.os.network_client
+        cls.agents_client = cls.os.network_agents_client
         cls.networks_client = cls.os.networks_client
+        cls.subnetpools_client = cls.os.subnetpools_client
         cls.subnets_client = cls.os.subnets_client
         cls.ports_client = cls.os.ports_client
         cls.quotas_client = cls.os.network_quotas_client
@@ -273,6 +272,7 @@
     def setup_clients(cls):
         super(BaseAdminNetworkTest, cls).setup_clients()
         cls.admin_client = cls.os_adm.network_client
+        cls.admin_agents_client = cls.os_adm.network_agents_client
         cls.admin_networks_client = cls.os_adm.networks_client
         cls.admin_subnets_client = cls.os_adm.subnets_client
         cls.admin_ports_client = cls.os_adm.ports_client
diff --git a/tempest/api/network/test_metering_extensions.py b/tempest/api/network/test_metering_extensions.py
index 007ba3b..299700f 100644
--- a/tempest/api/network/test_metering_extensions.py
+++ b/tempest/api/network/test_metering_extensions.py
@@ -12,16 +12,11 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-from oslo_log import log as logging
-
 from tempest.api.network import base
 from tempest.common.utils import data_utils
 from tempest import test
 
 
-LOG = logging.getLogger(__name__)
-
-
 class MeteringTestJSON(base.BaseAdminNetworkTest):
     """Tests the following operations in the Neutron API:
 
diff --git a/tempest/api/network/test_subnetpools_extensions.py b/tempest/api/network/test_subnetpools_extensions.py
index 8a61ff8..e5d0462 100644
--- a/tempest/api/network/test_subnetpools_extensions.py
+++ b/tempest/api/network/test_subnetpools_extensions.py
@@ -50,27 +50,28 @@
         subnetpool_name = data_utils.rand_name('subnetpools')
         # create subnet pool
         prefix = CONF.network.default_network
-        body = self.client.create_subnetpools(name=subnetpool_name,
-                                              prefixes=prefix)
+        body = self.subnetpools_client.create_subnetpool(name=subnetpool_name,
+                                                         prefixes=prefix)
         subnetpool_id = body["subnetpool"]["id"]
         self.addCleanup(self._cleanup_subnetpools, subnetpool_id)
         self.assertEqual(subnetpool_name, body["subnetpool"]["name"])
         # get detail about subnet pool
-        body = self.client.show_subnetpools(subnetpool_id)
+        body = self.subnetpools_client.show_subnetpool(subnetpool_id)
         self.assertEqual(subnetpool_name, body["subnetpool"]["name"])
         # update the subnet pool
         subnetpool_name = data_utils.rand_name('subnetpools_update')
-        body = self.client.update_subnetpools(subnetpool_id,
-                                              name=subnetpool_name)
+        body = self.subnetpools_client.update_subnetpool(subnetpool_id,
+                                                         name=subnetpool_name)
         self.assertEqual(subnetpool_name, body["subnetpool"]["name"])
         # delete subnet pool
-        body = self.client.delete_subnetpools(subnetpool_id)
-        self.assertRaises(lib_exc.NotFound, self.client.show_subnetpools,
+        body = self.subnetpools_client.delete_subnetpool(subnetpool_id)
+        self.assertRaises(lib_exc.NotFound,
+                          self.subnetpools_client.show_subnetpool,
                           subnetpool_id)
 
     def _cleanup_subnetpools(self, subnetpool_id):
         # this is used to cleanup the resources
         try:
-            self.client.delete_subnetpools(subnetpool_id)
+            self.subnetpools_client.delete_subnetpool(subnetpool_id)
         except lib_exc.NotFound:
             pass
diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index 4968835..c93b5ed 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -12,7 +12,6 @@
 
 import os.path
 
-from oslo_log import log as logging
 from tempest_lib import exceptions as lib_exc
 import yaml
 
@@ -22,8 +21,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class BaseOrchestrationTest(tempest.test.BaseTestCase):
     """Base test case class for all Orchestration API tests."""
diff --git a/tempest/api/orchestration/stacks/test_environment.py b/tempest/api/orchestration/stacks/test_environment.py
index 0416bc7..9d2b425 100644
--- a/tempest/api/orchestration/stacks/test_environment.py
+++ b/tempest/api/orchestration/stacks/test_environment.py
@@ -10,8 +10,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
 from tempest.api.orchestration import base
 from tempest.common.utils import data_utils
 from tempest import config
@@ -19,7 +17,6 @@
 
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 class StackEnvironmentTest(base.BaseOrchestrationTest):
diff --git a/tempest/api/orchestration/stacks/test_limits.py b/tempest/api/orchestration/stacks/test_limits.py
index bb5b89d..2acf97b 100644
--- a/tempest/api/orchestration/stacks/test_limits.py
+++ b/tempest/api/orchestration/stacks/test_limits.py
@@ -10,8 +10,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.orchestration import base
@@ -21,8 +19,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class TestServerStackLimits(base.BaseOrchestrationTest):
 
diff --git a/tempest/api/orchestration/stacks/test_non_empty_stack.py b/tempest/api/orchestration/stacks/test_non_empty_stack.py
index 4bc2c17..3be5bb6 100644
--- a/tempest/api/orchestration/stacks/test_non_empty_stack.py
+++ b/tempest/api/orchestration/stacks/test_non_empty_stack.py
@@ -10,8 +10,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
 from tempest.api.orchestration import base
 from tempest.common.utils import data_utils
 from tempest import config
@@ -19,8 +17,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class StacksTestJSON(base.BaseOrchestrationTest):
 
diff --git a/tempest/api/orchestration/stacks/test_nova_keypair_resources.py b/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
index b4d7fa0..0400e76 100644
--- a/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
+++ b/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
@@ -10,17 +10,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-
-import logging
-
 from tempest.api.orchestration import base
 from tempest.common.utils import data_utils
 from tempest import test
 
 
-LOG = logging.getLogger(__name__)
-
-
 class NovaKeyPairResourcesYAMLTest(base.BaseOrchestrationTest):
     _tpl_type = 'yaml'
     _resource = 'resources'
diff --git a/tempest/api/orchestration/stacks/test_soft_conf.py b/tempest/api/orchestration/stacks/test_soft_conf.py
index 34d93e4..ab45929 100644
--- a/tempest/api/orchestration/stacks/test_soft_conf.py
+++ b/tempest/api/orchestration/stacks/test_soft_conf.py
@@ -10,7 +10,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.orchestration import base
@@ -18,7 +17,6 @@
 from tempest import config
 from tempest import test
 
-LOG = logging.getLogger(__name__)
 CONF = config.CONF
 
 
diff --git a/tempest/api/orchestration/stacks/test_stacks.py b/tempest/api/orchestration/stacks/test_stacks.py
index f766b00..28463ab 100644
--- a/tempest/api/orchestration/stacks/test_stacks.py
+++ b/tempest/api/orchestration/stacks/test_stacks.py
@@ -10,16 +10,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest.api.orchestration import base
 from tempest.common.utils import data_utils
 from tempest import test
 
 
-LOG = logging.getLogger(__name__)
-
-
 class StacksTestJSON(base.BaseOrchestrationTest):
     empty_template = "HeatTemplateFormatVersion: '2012-12-12'\n"
 
diff --git a/tempest/api/orchestration/stacks/test_volumes.py b/tempest/api/orchestration/stacks/test_volumes.py
index ae9a411..e51551b 100644
--- a/tempest/api/orchestration/stacks/test_volumes.py
+++ b/tempest/api/orchestration/stacks/test_volumes.py
@@ -10,8 +10,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.orchestration import base
@@ -21,7 +19,6 @@
 
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 class CinderResourcesTest(base.BaseOrchestrationTest):
diff --git a/tempest/api/volume/admin/test_multi_backend.py b/tempest/api/volume/admin/test_multi_backend.py
index 8e43b00..60e6e6c 100644
--- a/tempest/api/volume/admin/test_multi_backend.py
+++ b/tempest/api/volume/admin/test_multi_backend.py
@@ -10,7 +10,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 import six
 from tempest.api.volume import base
 from tempest.common.utils import data_utils
@@ -19,8 +18,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class VolumeMultiBackendV2Test(base.BaseVolumeAdminTest):
 
diff --git a/tempest/api/volume/admin/test_snapshots_actions.py b/tempest/api/volume/admin/test_snapshots_actions.py
index aa6bfdf..f2bf613 100644
--- a/tempest/api/volume/admin/test_snapshots_actions.py
+++ b/tempest/api/volume/admin/test_snapshots_actions.py
@@ -50,7 +50,7 @@
         snap_name = data_utils.rand_name(cls.__name__ + '-Snapshot')
         params = {cls.name_field: snap_name}
         cls.snapshot = cls.client.create_snapshot(
-            cls.volume['id'], **params)['snapshot']
+            volume_id=cls.volume['id'], **params)['snapshot']
         cls.client.wait_for_snapshot_status(cls.snapshot['id'],
                                             'available')
 
@@ -77,7 +77,7 @@
     def _create_reset_and_force_delete_temp_snapshot(self, status=None):
         # Create snapshot, reset snapshot status,
         # and force delete temp snapshot
-        temp_snapshot = self.create_snapshot(self.volume['id'])
+        temp_snapshot = self.create_snapshot(volume_id=self.volume['id'])
         if status:
             self.admin_snapshots_client.\
                 reset_snapshot_status(temp_snapshot['id'], status)
@@ -110,7 +110,7 @@
         status = 'error'
         progress_alias = self._get_progress_alias()
         self.client.update_snapshot_status(self.snapshot['id'],
-                                           status, progress)
+                                           status=status, progress=progress)
         snapshot_get = self.admin_snapshots_client.show_snapshot(
             self.snapshot['id'])['snapshot']
         self.assertEqual(status, snapshot_get['status'])
diff --git a/tempest/api/volume/admin/test_volume_snapshot_quotas_negative.py b/tempest/api/volume/admin/test_volume_snapshot_quotas_negative.py
index ce0b618..c66207f 100644
--- a/tempest/api/volume/admin/test_volume_snapshot_quotas_negative.py
+++ b/tempest/api/volume/admin/test_volume_snapshot_quotas_negative.py
@@ -52,14 +52,14 @@
         # NOTE(gfidente): no need to delete in tearDown as
         # they are created using utility wrapper methods.
         cls.volume = cls.create_volume()
-        cls.snapshot = cls.create_snapshot(cls.volume['id'])
+        cls.snapshot = cls.create_snapshot(volume_id=cls.volume['id'])
 
     @test.attr(type='negative')
     @test.idempotent_id('02bbf63f-6c05-4357-9d98-2926a94064ff')
     def test_quota_volume_snapshots(self):
         self.assertRaises(lib_exc.OverLimit,
                           self.snapshots_client.create_snapshot,
-                          self.volume['id'])
+                          volume_id=self.volume['id'])
 
     @test.attr(type='negative')
     @test.idempotent_id('c99a1ca9-6cdf-498d-9fdf-25832babef27')
@@ -74,7 +74,7 @@
             **new_quota_set)
         self.assertRaises(lib_exc.OverLimit,
                           self.snapshots_client.create_snapshot,
-                          self.volume['id'])
+                          volume_id=self.volume['id'])
 
 
 class VolumeSnapshotNegativeV1TestJSON(VolumeSnapshotQuotasNegativeV2TestJSON):
diff --git a/tempest/api/volume/admin/test_volume_types.py b/tempest/api/volume/admin/test_volume_types.py
index acb591d..c032d9c 100644
--- a/tempest/api/volume/admin/test_volume_types.py
+++ b/tempest/api/volume/admin/test_volume_types.py
@@ -70,7 +70,7 @@
 
         # Update volume with new volume_type
         self.volumes_client.retype_volume(volume['id'],
-                                          volume_type=volume_types[1]['id'])
+                                          new_type=volume_types[1]['id'])
         self.volumes_client.wait_for_volume_status(volume['id'], 'available')
 
         # Get volume details and Verify
diff --git a/tempest/api/volume/admin/test_volumes_actions.py b/tempest/api/volume/admin/test_volumes_actions.py
index 6c32321..253a3e1 100644
--- a/tempest/api/volume/admin/test_volumes_actions.py
+++ b/tempest/api/volume/admin/test_volumes_actions.py
@@ -48,12 +48,12 @@
     def _reset_volume_status(self, volume_id, status):
         # Reset the volume status
         body = self.admin_volume_client.reset_volume_status(volume_id,
-                                                            status)
+                                                            status=status)
         return body
 
     def tearDown(self):
         # Set volume's status to available after test
-        self._reset_volume_status(self.volume['id'], 'available')
+        self._reset_volume_status(self.volume['id'], status='available')
         super(VolumesActionsV2Test, self).tearDown()
 
     def _create_temp_volume(self):
diff --git a/tempest/api/volume/admin/test_volumes_backup.py b/tempest/api/volume/admin/test_volumes_backup.py
index ed34a9b..4b2d3f3 100644
--- a/tempest/api/volume/admin/test_volumes_backup.py
+++ b/tempest/api/volume/admin/test_volumes_backup.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 from tempest_lib import decorators
 
 from tempest.api.volume import base
@@ -22,7 +21,6 @@
 from tempest import test
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 class VolumesBackupsV2Test(base.BaseVolumeAdminTest):
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index 5c4d0e1..cc906e5 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import compute
@@ -24,8 +23,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class BaseVolumeTest(tempest.test.BaseTestCase):
     """Base test case class for all Cinder API tests."""
@@ -62,7 +59,7 @@
         super(BaseVolumeTest, cls).setup_clients()
         cls.servers_client = cls.os.servers_client
         cls.compute_networks_client = cls.os.compute_networks_client
-        cls.images_client = cls.os.images_client
+        cls.compute_images_client = cls.os.compute_images_client
 
         if cls._api_version == 1:
             cls.snapshots_client = cls.os.snapshots_client
@@ -106,14 +103,14 @@
         super(BaseVolumeTest, cls).resource_cleanup()
 
     @classmethod
-    def create_volume(cls, size=None, **kwargs):
+    def create_volume(cls, **kwargs):
         """Wrapper utility that returns a test volume."""
         name = data_utils.rand_name('Volume')
 
         name_field = cls.special_fields['name_field']
 
         kwargs[name_field] = name
-        volume = cls.volumes_client.create_volume(size, **kwargs)['volume']
+        volume = cls.volumes_client.create_volume(**kwargs)['volume']
 
         cls.volumes.append(volume)
         cls.volumes_client.wait_for_volume_status(volume['id'], 'available')
@@ -123,7 +120,7 @@
     def create_snapshot(cls, volume_id=1, **kwargs):
         """Wrapper utility that returns a test snapshot."""
         snapshot = cls.snapshots_client.create_snapshot(
-            volume_id, **kwargs)['snapshot']
+            volume_id=volume_id, **kwargs)['snapshot']
         cls.snapshots.append(snapshot)
         cls.snapshots_client.wait_for_snapshot_status(snapshot['id'],
                                                       'available')
diff --git a/tempest/api/volume/test_snapshot_metadata.py b/tempest/api/volume/test_snapshot_metadata.py
index e50ca95..688baf5 100644
--- a/tempest/api/volume/test_snapshot_metadata.py
+++ b/tempest/api/volume/test_snapshot_metadata.py
@@ -45,7 +45,7 @@
 
     def tearDown(self):
         # Update the metadata to {}
-        self.client.update_snapshot_metadata(self.snapshot_id, {})
+        self.client.update_snapshot_metadata(self.snapshot_id, metadata={})
         super(SnapshotV2MetadataTestJSON, self).tearDown()
 
     @test.idempotent_id('a2f20f99-e363-4584-be97-bc33afb1a56c')
@@ -89,7 +89,7 @@
 
         # Update metadata item
         body = self.client.update_snapshot_metadata(
-            self.snapshot_id, update)['metadata']
+            self.snapshot_id, metadata=update)['metadata']
         # Get the metadata of the snapshot
         body = self.client.show_snapshot_metadata(
             self.snapshot_id)['metadata']
@@ -114,7 +114,7 @@
         self.assertThat(body.items(), matchers.ContainsAll(metadata.items()))
         # Update metadata item
         body = self.client.update_snapshot_metadata_item(
-            self.snapshot_id, "key3", update_item)['meta']
+            self.snapshot_id, "key3", meta=update_item)['meta']
         # Get the metadata of the snapshot
         body = self.client.show_snapshot_metadata(
             self.snapshot_id)['metadata']
diff --git a/tempest/api/volume/test_volume_transfers.py b/tempest/api/volume/test_volume_transfers.py
index c0b6b7e..7046dcf 100644
--- a/tempest/api/volume/test_volume_transfers.py
+++ b/tempest/api/volume/test_volume_transfers.py
@@ -47,7 +47,8 @@
         self.addCleanup(self._delete_volume, volume['id'])
 
         # Create a volume transfer
-        transfer = self.client.create_volume_transfer(volume['id'])['transfer']
+        transfer = self.client.create_volume_transfer(
+            volume_id=volume['id'])['transfer']
         transfer_id = transfer['id']
         auth_key = transfer['auth_key']
         self.client.wait_for_volume_status(volume['id'],
@@ -63,8 +64,8 @@
         self.assertThat(len(body), matchers.GreaterThan(0))
 
         # Accept a volume transfer by alt_tenant
-        body = self.alt_client.accept_volume_transfer(transfer_id,
-                                                      auth_key)['transfer']
+        body = self.alt_client.accept_volume_transfer(
+            transfer_id, auth_key=auth_key)['transfer']
         self.alt_client.wait_for_volume_status(volume['id'], 'available')
 
     @test.idempotent_id('ab526943-b725-4c07-b875-8e8ef87a2c30')
@@ -74,7 +75,8 @@
         self.addCleanup(self._delete_volume, volume['id'])
 
         # Create a volume transfer
-        body = self.client.create_volume_transfer(volume['id'])['transfer']
+        body = self.client.create_volume_transfer(
+            volume_id=volume['id'])['transfer']
         transfer_id = body['id']
         self.client.wait_for_volume_status(volume['id'],
                                            'awaiting-transfer')
diff --git a/tempest/api/volume/test_volumes_actions.py b/tempest/api/volume/test_volumes_actions.py
index d4636ee..5f9ea7f 100644
--- a/tempest/api/volume/test_volumes_actions.py
+++ b/tempest/api/volume/test_volumes_actions.py
@@ -62,8 +62,8 @@
         # Volume is attached and detached successfully from an instance
         mountpoint = '/dev/vdc'
         self.client.attach_volume(self.volume['id'],
-                                  self.server['id'],
-                                  mountpoint)
+                                  instance_uuid=self.server['id'],
+                                  mountpoint=mountpoint)
         self.client.wait_for_volume_status(self.volume['id'], 'in-use')
         self.client.detach_volume(self.volume['id'])
         self.client.wait_for_volume_status(self.volume['id'], 'available')
@@ -74,7 +74,8 @@
     def test_volume_bootable(self):
         # Verify that a volume bootable flag is retrieved
         for bool_bootable in [True, False]:
-            self.client.set_bootable_volume(self.volume['id'], bool_bootable)
+            self.client.set_bootable_volume(self.volume['id'],
+                                            bootable=bool_bootable)
             fetched_volume = self.client.show_volume(
                 self.volume['id'])['volume']
             # Get Volume information
@@ -88,8 +89,8 @@
         # Verify that a volume's attachment information is retrieved
         mountpoint = '/dev/vdc'
         self.client.attach_volume(self.volume['id'],
-                                  self.server['id'],
-                                  mountpoint)
+                                  instance_uuid=self.server['id'],
+                                  mountpoint=mountpoint)
         self.client.wait_for_volume_status(self.volume['id'], 'in-use')
         # NOTE(gfidente): added in reverse order because functions will be
         # called in reverse order to the order they are added (LIFO)
@@ -114,8 +115,8 @@
         # using the Glance image_client and from Cinder via tearDownClass.
         image_name = data_utils.rand_name('Image')
         body = self.client.upload_volume(
-            self.volume['id'], image_name,
-            CONF.volume.disk_format)['os-volume_upload_image']
+            self.volume['id'], image_name=image_name,
+            disk_format=CONF.volume.disk_format)['os-volume_upload_image']
         image_id = body["image_id"]
         self.addCleanup(self.image_client.delete_image, image_id)
         self.image_client.wait_for_image_status(image_id, 'active')
@@ -142,7 +143,7 @@
         # Update volume readonly true
         readonly = True
         self.client.update_volume_readonly(self.volume['id'],
-                                           readonly)
+                                           readonly=readonly)
         # Get Volume information
         fetched_volume = self.client.show_volume(self.volume['id'])['volume']
         bool_flag = self._is_true(fetched_volume['metadata']['readonly'])
@@ -150,7 +151,8 @@
 
         # Update volume readonly false
         readonly = False
-        self.client.update_volume_readonly(self.volume['id'], readonly)
+        self.client.update_volume_readonly(self.volume['id'],
+                                           readonly=readonly)
 
         # Get Volume information
         fetched_volume = self.client.show_volume(self.volume['id'])['volume']
diff --git a/tempest/api/volume/test_volumes_extend.py b/tempest/api/volume/test_volumes_extend.py
index 78f5571..ed1e5c5 100644
--- a/tempest/api/volume/test_volumes_extend.py
+++ b/tempest/api/volume/test_volumes_extend.py
@@ -32,7 +32,7 @@
         # Extend Volume Test.
         self.volume = self.create_volume()
         extend_size = int(self.volume['size']) + 1
-        self.client.extend_volume(self.volume['id'], extend_size)
+        self.client.extend_volume(self.volume['id'], new_size=extend_size)
         self.client.wait_for_volume_status(self.volume['id'], 'available')
         volume = self.client.show_volume(self.volume['id'])['volume']
         self.assertEqual(int(volume['size']), extend_size)
diff --git a/tempest/api/volume/test_volumes_get.py b/tempest/api/volume/test_volumes_get.py
index 35c8898..aa3ef2f 100644
--- a/tempest/api/volume/test_volumes_get.py
+++ b/tempest/api/volume/test_volumes_get.py
@@ -133,7 +133,8 @@
     @test.idempotent_id('54a01030-c7fc-447c-86ee-c1182beae638')
     @test.services('image')
     def test_volume_create_get_update_delete_from_image(self):
-        image = self.images_client.show_image(CONF.compute.image_ref)['image']
+        image = self.compute_images_client.show_image(
+            CONF.compute.image_ref)['image']
         min_disk = image.get('minDisk')
         disk_size = max(min_disk, CONF.volume.volume_size)
         self._volume_create_get_update_delete(
diff --git a/tempest/api/volume/test_volumes_list.py b/tempest/api/volume/test_volumes_list.py
index b776494..38a5a80 100644
--- a/tempest/api/volume/test_volumes_list.py
+++ b/tempest/api/volume/test_volumes_list.py
@@ -15,15 +15,12 @@
 #    under the License.
 import operator
 
-from oslo_log import log as logging
 from testtools import matchers
 
 from tempest.api.volume import base
 from tempest.common.utils import data_utils
 from tempest import test
 
-LOG = logging.getLogger(__name__)
-
 
 class VolumesV2ListTestJSON(base.BaseVolumeTest):
     # NOTE: This test creates a number of 1G volumes. To run successfully,
diff --git a/tempest/api/volume/test_volumes_negative.py b/tempest/api/volume/test_volumes_negative.py
index 0af40ea..ad6f556 100644
--- a/tempest/api/volume/test_volumes_negative.py
+++ b/tempest/api/volume/test_volumes_negative.py
@@ -190,8 +190,8 @@
         self.assertRaises(lib_exc.NotFound,
                           self.client.attach_volume,
                           str(uuid.uuid4()),
-                          server['id'],
-                          self.mountpoint)
+                          instance_uuid=server['id'],
+                          mountpoint=self.mountpoint)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('9f9c24e4-011d-46b5-b992-952140ce237a')
@@ -206,7 +206,7 @@
         # Extend volume with smaller size than original size.
         extend_size = 0
         self.assertRaises(lib_exc.BadRequest, self.client.extend_volume,
-                          self.volume['id'], extend_size)
+                          self.volume['id'], new_size=extend_size)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('5d0b480d-e833-439f-8a5a-96ad2ed6f22f')
@@ -214,7 +214,7 @@
         # Extend volume when size is non number.
         extend_size = 'abc'
         self.assertRaises(lib_exc.BadRequest, self.client.extend_volume,
-                          self.volume['id'], extend_size)
+                          self.volume['id'], new_size=extend_size)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('355218f1-8991-400a-a6bb-971239287d92')
@@ -222,7 +222,7 @@
         # Extend volume with None size.
         extend_size = None
         self.assertRaises(lib_exc.BadRequest, self.client.extend_volume,
-                          self.volume['id'], extend_size)
+                          self.volume['id'], new_size=extend_size)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('8f05a943-013c-4063-ac71-7baf561e82eb')
@@ -230,7 +230,7 @@
         # Extend volume size when volume is nonexistent.
         extend_size = int(self.volume['size']) + 1
         self.assertRaises(lib_exc.NotFound, self.client.extend_volume,
-                          str(uuid.uuid4()), extend_size)
+                          str(uuid.uuid4()), new_size=extend_size)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('aff8ba64-6d6f-4f2e-bc33-41a08ee9f115')
@@ -238,7 +238,7 @@
         # Extend volume size when passing volume id is None.
         extend_size = int(self.volume['size']) + 1
         self.assertRaises(lib_exc.NotFound, self.client.extend_volume,
-                          None, extend_size)
+                          None, new_size=extend_size)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('ac6084c0-0546-45f9-b284-38a367e0e0e2')
diff --git a/tempest/api/volume/test_volumes_snapshots.py b/tempest/api/volume/test_volumes_snapshots.py
index 856adcc..c79235a 100644
--- a/tempest/api/volume/test_volumes_snapshots.py
+++ b/tempest/api/volume/test_volumes_snapshots.py
@@ -10,14 +10,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest.api.volume import base
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest import test
 
-LOG = logging.getLogger(__name__)
 CONF = config.CONF
 
 
@@ -42,15 +39,15 @@
         self.volumes_client.detach_volume(volume_id)
         self.volumes_client.wait_for_volume_status(volume_id, 'available')
 
-    def _list_by_param_values_and_assert(self, params, with_detail=False):
+    def _list_by_param_values_and_assert(self, with_detail=False, **params):
         """list or list_details with given params and validates result."""
 
         if with_detail:
             fetched_snap_list = self.snapshots_client.list_snapshots(
-                detail=True, params=params)['snapshots']
+                detail=True, **params)['snapshots']
         else:
             fetched_snap_list = self.snapshots_client.list_snapshots(
-                params=params)['snapshots']
+                **params)['snapshots']
 
         # Validating params of fetched snapshots
         for snap in fetched_snap_list:
@@ -135,16 +132,16 @@
 
         # Verify list snapshots by display_name filter
         params = {self.name_field: snapshot[self.name_field]}
-        self._list_by_param_values_and_assert(params)
+        self._list_by_param_values_and_assert(**params)
 
         # Verify list snapshots by status filter
         params = {'status': 'available'}
-        self._list_by_param_values_and_assert(params)
+        self._list_by_param_values_and_assert(**params)
 
         # Verify list snapshots by status and display name filter
         params = {'status': 'available',
                   self.name_field: snapshot[self.name_field]}
-        self._list_by_param_values_and_assert(params)
+        self._list_by_param_values_and_assert(**params)
 
     @test.idempotent_id('220a1022-1fcd-4a74-a7bd-6b859156cda2')
     def test_snapshots_list_details_with_params(self):
@@ -157,14 +154,14 @@
 
         # Verify list snapshot details by display_name filter
         params = {self.name_field: snapshot[self.name_field]}
-        self._list_by_param_values_and_assert(params, with_detail=True)
+        self._list_by_param_values_and_assert(with_detail=True, **params)
         # Verify list snapshot details by status filter
         params = {'status': 'available'}
-        self._list_by_param_values_and_assert(params, with_detail=True)
+        self._list_by_param_values_and_assert(with_detail=True, **params)
         # Verify list snapshot details by status and display name filter
         params = {'status': 'available',
                   self.name_field: snapshot[self.name_field]}
-        self._list_by_param_values_and_assert(params, with_detail=True)
+        self._list_by_param_values_and_assert(with_detail=True, **params)
 
     @test.idempotent_id('677863d1-3142-456d-b6ac-9924f667a7f4')
     def test_volume_from_snapshot(self):
diff --git a/tempest/api/volume/test_volumes_snapshots_negative.py b/tempest/api/volume/test_volumes_snapshots_negative.py
index b604360..d46c9b5 100644
--- a/tempest/api/volume/test_volumes_snapshots_negative.py
+++ b/tempest/api/volume/test_volumes_snapshots_negative.py
@@ -37,7 +37,7 @@
         s_name = data_utils.rand_name('snap')
         self.assertRaises(lib_exc.NotFound,
                           self.snapshots_client.create_snapshot,
-                          str(uuid.uuid4()), display_name=s_name)
+                          volume_id=str(uuid.uuid4()), display_name=s_name)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('bb9da53e-d335-4309-9c15-7e76fd5e4d6d')
@@ -46,7 +46,7 @@
         s_name = data_utils.rand_name('snap')
         self.assertRaises(lib_exc.NotFound,
                           self.snapshots_client.create_snapshot,
-                          None, display_name=s_name)
+                          volume_id=None, display_name=s_name)
 
 
 class VolumesV1SnapshotNegativeTestJSON(VolumesV2SnapshotNegativeTestJSON):
diff --git a/tempest/clients.py b/tempest/clients.py
index bbdab67..cae90b0 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -52,7 +52,7 @@
 from tempest_lib.services.compute.security_group_default_rules_client import \
     SecurityGroupDefaultRulesClient
 from tempest_lib.services.compute.security_group_rules_client import \
-    SecurityGroupRulesClient
+    SecurityGroupRulesClient as ComputeSecurityGroupRulesClient
 from tempest_lib.services.compute.security_groups_client import \
     SecurityGroupsClient as ComputeSecurityGroupsClient
 from tempest_lib.services.compute.server_groups_client import \
@@ -70,6 +70,7 @@
     VolumesClient as ComputeVolumesClient
 from tempest_lib.services.identity.v2.token_client import TokenClient
 from tempest_lib.services.identity.v3.token_client import V3TokenClient
+from tempest_lib.services.network.floating_ips_client import FloatingIPsClient
 
 from tempest.common import negative_rest_client
 from tempest import config
@@ -92,6 +93,8 @@
     RolesClient
 from tempest.services.identity.v2.json.tenants_client import \
     TenantsClient
+from tempest.services.identity.v2.json.users_client import \
+    UsersClient
 from tempest.services.identity.v3.json.credentials_client import \
     CredentialsClient as CredentialsV3Client
 from tempest.services.identity.v3.json.endpoints_client import \
@@ -109,7 +112,8 @@
 from tempest.services.image.v2.json.images_client import ImagesClientV2
 from tempest.services.messaging.json.messaging_client import \
     MessagingClient
-from tempest.services.network.json.floating_ips_client import FloatingIPsClient
+from tempest.services.network.json.agents_client import AgentsClient \
+    as NetworkAgentsClient
 from tempest.services.network.json.metering_label_rules_client import \
     MeteringLabelRulesClient
 from tempest.services.network.json.metering_labels_client import \
@@ -121,6 +125,7 @@
     as NetworkQuotasClient
 from tempest.services.network.json.security_groups_client import \
     SecurityGroupsClient
+from tempest.services.network.json.subnetpools_client import SubnetpoolsClient
 from tempest.services.network.json.subnets_client import SubnetsClient
 from tempest.services.object_storage.account_client import AccountClient
 from tempest.services.object_storage.container_client import ContainerClient
@@ -189,9 +194,30 @@
     }
     default_params_with_timeout_values.update(default_params)
 
-    def __init__(self, credentials, service=None):
-        super(Manager, self).__init__(credentials=credentials)
+    def __init__(self, credentials, service=None, api_microversions=None):
+        """Initialization of Manager class.
 
+        Setup all services clients and make them available for tests cases.
+        :param credentials: type Credentials or TestResources
+        :param service: Service name
+        :param api_microversions: This is dict of services catalog type
+               and their microversion which will be set on respective
+               services clients.
+               {<service catalog type>: request_microversion}
+               Example :
+                {'compute': request_microversion}
+                    - request_microversion will be set on all compute
+                      service clients.
+                OR
+                {'compute': request_microversion,
+                 'volume': request_microversion}
+                    - request_microversion of compute will be set on all
+                      compute service clients.
+                    - request_microversion of volume will be set on all
+                      volume service clients.
+        """
+        super(Manager, self).__init__(credentials=credentials)
+        self.api_microversions = api_microversions or {}
         self._set_compute_clients()
         self._set_database_clients()
         self._set_identity_clients()
@@ -204,6 +230,14 @@
             CONF.identity.region,
             endpoint_type=CONF.baremetal.endpoint_type,
             **self.default_params_with_timeout_values)
+        self.network_agents_client = NetworkAgentsClient(
+            self.auth_provider,
+            CONF.network.catalog_type,
+            CONF.network.region or CONF.identity.region,
+            endpoint_type=CONF.network.endpoint_type,
+            build_interval=CONF.network.build_interval,
+            build_timeout=CONF.network.build_timeout,
+            **self.default_params)
         self.network_client = NetworkClient(
             self.auth_provider,
             CONF.network.catalog_type,
@@ -220,6 +254,14 @@
             build_interval=CONF.network.build_interval,
             build_timeout=CONF.network.build_timeout,
             **self.default_params)
+        self.subnetpools_client = SubnetpoolsClient(
+            self.auth_provider,
+            CONF.network.catalog_type,
+            CONF.network.region or CONF.identity.region,
+            endpoint_type=CONF.network.endpoint_type,
+            build_interval=CONF.network.build_interval,
+            build_timeout=CONF.network.build_timeout,
+            **self.default_params)
         self.subnets_client = SubnetsClient(
             self.auth_provider,
             CONF.network.catalog_type,
@@ -329,6 +371,8 @@
         self.negative_client = negative_rest_client.NegativeRestClient(
             self.auth_provider, service, **self.default_params)
 
+        self._set_api_microversions()
+
     def _set_compute_clients(self):
         params = {
             'service': CONF.compute.catalog_type,
@@ -356,7 +400,8 @@
         self.server_groups_client = ServerGroupsClient(
             self.auth_provider, **params)
         self.limits_client = LimitsClient(self.auth_provider, **params)
-        self.images_client = ComputeImagesClient(self.auth_provider, **params)
+        self.compute_images_client = ComputeImagesClient(self.auth_provider,
+                                                         **params)
         self.keypairs_client = KeyPairsClient(self.auth_provider, **params)
         self.quotas_client = QuotasClient(self.auth_provider, **params)
         self.quota_classes_client = QuotaClassesClient(self.auth_provider,
@@ -370,8 +415,8 @@
             self.auth_provider, **params)
         self.compute_floating_ips_client = ComputeFloatingIPsClient(
             self.auth_provider, **params)
-        self.security_group_rules_client = SecurityGroupRulesClient(
-            self.auth_provider, **params)
+        self.compute_security_group_rules_client = \
+            ComputeSecurityGroupRulesClient(self.auth_provider, **params)
         self.compute_security_groups_client = ComputeSecurityGroupsClient(
             self.auth_provider, **params)
         self.interfaces_client = InterfacesClient(self.auth_provider,
@@ -441,6 +486,8 @@
                                             **params_v2_admin)
         self.roles_client = RolesClient(self.auth_provider,
                                         **params_v2_admin)
+        self.users_client = UsersClient(self.auth_provider,
+                                        **params_v2_admin)
         params_v2_public = params.copy()
         params_v2_public['endpoint_type'] = (
             CONF.identity.v2_public_endpoint_type)
@@ -451,6 +498,8 @@
                                                    **params_v2_public)
         self.roles_public_client = RolesClient(self.auth_provider,
                                                **params_v2_public)
+        self.users_public_client = UsersClient(self.auth_provider,
+                                               **params_v2_public)
         params_v3 = params.copy()
         params_v3['endpoint_type'] = CONF.identity.v3_endpoint_type
         # Clients below use the endpoint type of Keystone API v3
@@ -547,3 +596,15 @@
         self.account_client = AccountClient(self.auth_provider, **params)
         self.container_client = ContainerClient(self.auth_provider, **params)
         self.object_client = ObjectClient(self.auth_provider, **params)
+
+    def _set_api_microversions(self):
+        service_clients = [x for x in self.__dict__ if x.endswith('_client')]
+        for client in service_clients:
+            client_obj = getattr(self, client)
+            microversion = self.api_microversions.get(client_obj.service)
+            if microversion:
+                if hasattr(client_obj, 'set_api_microversion'):
+                    client_obj.set_api_microversion(microversion)
+                else:
+                    LOG.debug("Need to implement set_api_microversion on %s"
+                              % client)
diff --git a/tempest/cmd/account_generator.py b/tempest/cmd/account_generator.py
index b90ee04..6f74578 100755
--- a/tempest/cmd/account_generator.py
+++ b/tempest/cmd/account_generator.py
@@ -87,6 +87,9 @@
 import os
 
 from oslo_log import log as logging
+import tempest_lib.auth
+from tempest_lib.common.utils import data_utils
+import tempest_lib.exceptions
 import yaml
 
 from tempest.common import identity
@@ -95,12 +98,10 @@
 from tempest.services.identity.v2.json import identity_client
 from tempest.services.identity.v2.json import roles_client
 from tempest.services.identity.v2.json import tenants_client
+from tempest.services.identity.v2.json import users_client
 from tempest.services.network.json import network_client
 from tempest.services.network.json import networks_client
 from tempest.services.network.json import subnets_client
-import tempest_lib.auth
-from tempest_lib.common.utils import data_utils
-import tempest_lib.exceptions
 
 LOG = None
 CONF = config.CONF
@@ -154,6 +155,13 @@
         endpoint_type='adminURL',
         **params
     )
+    users_admin = users_client.UsersClient(
+        _auth,
+        CONF.identity.catalog_type,
+        CONF.identity.region,
+        endpoint_type='adminURL',
+        **params
+    )
     network_admin = None
     networks_admin = None
     subnets_admin = None
@@ -179,13 +187,14 @@
             CONF.network.region or CONF.identity.region,
             endpoint_type='adminURL',
             **params)
-    return (identity_admin, tenants_admin, roles_admin, neutron_iso_networks,
-            network_admin, networks_admin, subnets_admin)
+    return (identity_admin, tenants_admin, roles_admin, users_admin,
+            neutron_iso_networks, network_admin, networks_admin, subnets_admin)
 
 
 def create_resources(opts, resources):
-    (identity_admin, tenants_admin, roles_admin, neutron_iso_networks,
-     network_admin, networks_admin, subnets_admin) = get_admin_clients(opts)
+    (identity_admin, tenants_admin, roles_admin, users_admin,
+     neutron_iso_networks, network_admin, networks_admin,
+     subnets_admin) = get_admin_clients(opts)
     roles = roles_admin.list_roles()['roles']
     for u in resources['users']:
         u['role_ids'] = []
@@ -201,7 +210,8 @@
         if tenant not in existing:
             tenants_admin.create_tenant(tenant)
         else:
-            LOG.warn("Tenant '%s' already exists in this environment" % tenant)
+            LOG.warning("Tenant '%s' already exists in this environment"
+                        % tenant)
     LOG.info('Tenants created')
     for u in resources['users']:
         try:
@@ -214,14 +224,14 @@
                 identity.get_user_by_username(tenants_admin,
                                               tenant['id'], u['name'])
             except tempest_lib.exceptions.NotFound:
-                identity_admin.create_user(
+                users_admin.create_user(
                     u['name'], u['pass'], tenant['id'],
                     "%s@%s" % (u['name'], tenant['id']),
                     enabled=True)
                 break
             else:
-                LOG.warn("User '%s' already exists in this environment. "
-                         "New name generated" % u['name'])
+                LOG.warning("User '%s' already exists in this environment. "
+                            "New name generated" % u['name'])
                 u['name'] = random_user_name(opts.tag, u['prefix'])
 
     LOG.info('Users created')
diff --git a/tempest/cmd/cleanup_service.py b/tempest/cmd/cleanup_service.py
index 2aeb5b1..8a47406 100644
--- a/tempest/cmd/cleanup_service.py
+++ b/tempest/cmd/cleanup_service.py
@@ -775,7 +775,7 @@
 class ImageService(BaseService):
     def __init__(self, manager, **kwargs):
         super(ImageService, self).__init__(kwargs)
-        self.client = manager.images_client
+        self.client = manager.compute_images_client
 
     def list(self):
         client = self.client
@@ -815,11 +815,14 @@
         self.client = manager.identity_client
 
 
-class UserService(IdentityService):
+class UserService(BaseService):
+
+    def __init__(self, manager, **kwargs):
+        super(UserService, self).__init__(kwargs)
+        self.client = manager.users_client
 
     def list(self):
-        client = self.client
-        users = client.list_users()['users']
+        users = self.client.list_users()['users']
 
         if not self.is_save_state:
             users = [user for user in users if user['id']
@@ -837,11 +840,10 @@
         return users
 
     def delete(self):
-        client = self.client
         users = self.list()
         for user in users:
             try:
-                client.delete_user(user['id'])
+                self.client.delete_user(user['id'])
             except Exception:
                 LOG.exception("Delete User exception.")
 
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index fd35eab..a703e8c 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -130,6 +130,7 @@
 from tempest.services.identity.v2.json import identity_client
 from tempest.services.identity.v2.json import roles_client
 from tempest.services.identity.v2.json import tenants_client
+from tempest.services.identity.v2.json import users_client
 from tempest.services.image.v2.json import images_client
 from tempest.services.network.json import network_client
 from tempest.services.network.json import subnets_client
@@ -213,6 +214,12 @@
             CONF.identity.region,
             endpoint_type='adminURL',
             **default_params_with_timeout_values)
+        self.users = users_client.UsersClient(
+            _auth,
+            CONF.identity.catalog_type,
+            CONF.identity.region,
+            endpoint_type='adminURL',
+            **default_params_with_timeout_values)
         self.servers = servers_client.ServersClient(_auth,
                                                     **compute_params)
         self.flavors = flavors_client.FlavorsClient(_auth,
@@ -311,7 +318,8 @@
         if tenant not in existing:
             admin.tenants.create_tenant(tenant)['tenant']
         else:
-            LOG.warn("Tenant '%s' already exists in this environment" % tenant)
+            LOG.warning("Tenant '%s' already exists in this environment"
+                        % tenant)
 
 
 def destroy_tenants(tenants):
@@ -374,12 +382,12 @@
             LOG.error("Tenant: %s - not found" % u['tenant'])
             continue
         try:
-            identity.get_user_by_username(admin.identity,
+            identity.get_user_by_username(admin.tenants,
                                           tenant['id'], u['name'])
-            LOG.warn("User '%s' already exists in this environment"
-                     % u['name'])
+            LOG.warning("User '%s' already exists in this environment"
+                        % u['name'])
         except lib_exc.NotFound:
-            admin.identity.create_user(
+            admin.users.create_user(
                 u['name'], u['pass'], tenant['id'],
                 "%s@%s" % (u['name'], tenant['id']),
                 enabled=True)
@@ -390,9 +398,9 @@
     for user in users:
         tenant_id = identity.get_tenant_by_name(admin.tenants,
                                                 user['tenant'])['id']
-        user_id = identity.get_user_by_username(admin.identity,
+        user_id = identity.get_user_by_username(admin.tenants,
                                                 tenant_id, user['name'])['id']
-        admin.identity.delete_user(user_id)
+        admin.users.delete_user(user_id)
 
 
 def collect_users(users):
@@ -403,7 +411,7 @@
         tenant = identity.get_tenant_by_name(admin.tenants, u['tenant'])
         u['tenant_id'] = tenant['id']
         USERS[u['name']] = u
-        body = identity.get_user_by_username(admin.identity,
+        body = identity.get_user_by_username(admin.tenants,
                                              tenant['id'], u['name'])
         USERS[u['name']]['id'] = body['id']
 
@@ -457,7 +465,7 @@
         LOG.info("checking users")
         for name, user in six.iteritems(self.users):
             client = keystone_admin()
-            found = client.identity.show_user(user['id'])['user']
+            found = client.users.show_user(user['id'])['user']
             self.assertEqual(found['name'], user['name'])
             self.assertEqual(found['tenantId'], user['tenant_id'])
 
@@ -1022,7 +1030,9 @@
         server_id = _get_server_by_name(client, volume['server'])['id']
         volume_id = _get_volume_by_name(client, volume['name'])['id']
         device = volume['device']
-        client.volumes.attach_volume(volume_id, server_id, device)
+        client.volumes.attach_volume(volume_id,
+                                     instance_uuid=server_id,
+                                     mountpoint=device)
 
 
 #######################
@@ -1074,7 +1084,7 @@
     destroy_secgroups(RES['secgroups'])
     destroy_users(RES['users'])
     destroy_tenants(RES['tenants'])
-    LOG.warn("Destroy mode incomplete")
+    LOG.warning("Destroy mode incomplete")
 
 
 def get_options():
@@ -1130,6 +1140,8 @@
 
 
 def main():
+    print("Javelin is deprecated and will be removed from Tempest in the "
+          "future.")
     global RES
     get_options()
     setup_logging()
diff --git a/tempest/cmd/list_plugins.py b/tempest/cmd/list_plugins.py
new file mode 100644
index 0000000..1f1ff1a
--- /dev/null
+++ b/tempest/cmd/list_plugins.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+"""
+Utility for listing all currently installed Tempest plugins.
+
+**Usage:** ``tempest list-plugins``.
+"""
+
+from cliff import command
+from oslo_log import log as logging
+import prettytable
+
+from tempest.test_discover.plugins import TempestTestPluginManager
+
+LOG = logging.getLogger(__name__)
+
+
+class TempestListPlugins(command.Command):
+    def take_action(self, parsed_args):
+        self._list_plugins()
+        return 0
+
+    def get_description(self):
+        return 'List all tempest plugins'
+
+    def _list_plugins(self):
+        plugins = TempestTestPluginManager()
+
+        output = prettytable.PrettyTable(["Name", "EntryPoint"])
+        for plugin in plugins.ext_plugins.extensions:
+            output.add_row([
+                plugin.name, plugin.entry_point_target])
+
+        print(output)
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
old mode 100755
new mode 100644
index 9c8e2a0..5d867df
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -15,10 +15,13 @@
 #    under the License.
 
 import argparse
+import httplib2
 import os
 import sys
+import traceback
 
-import httplib2
+from cliff import command
+from oslo_log import log as logging
 from oslo_serialization import jsonutils as json
 from six import moves
 from six.moves.urllib import parse as urlparse
@@ -31,6 +34,8 @@
 CONF = config.CONF
 CONF_PARSER = None
 
+LOG = logging.getLogger(__name__)
+
 
 def _get_config_file():
     default_config_dir = os.path.join(os.path.abspath(
@@ -310,8 +315,7 @@
     return avail_services
 
 
-def parse_args():
-    parser = argparse.ArgumentParser()
+def _parser_add_args(parser):
     parser.add_argument('-u', '--update', action='store_true',
                         help='Update the config file with results from api '
                              'queries. This assumes whatever is set in the '
@@ -329,13 +333,21 @@
     parser.add_argument('-r', '--replace-ext', action='store_true',
                         help="If specified the all option will be replaced "
                              "with a full list of extensions")
-    args = parser.parse_args()
-    return args
 
 
-def main():
+def parse_args():
+    parser = argparse.ArgumentParser()
+    _parser_add_args(parser)
+    opts = parser.parse_args()
+    return opts
+
+
+def main(opts=None):
     print('Running config verification...')
-    opts = parse_args()
+    if opts is None:
+        print("Use of: 'verify-tempest-config' is deprecated, "
+              "please use: 'tempest verify-config'")
+        opts = parse_args()
     update = opts.update
     replace = opts.replace_ext
     global CONF_PARSER
@@ -373,5 +385,22 @@
         icreds.clear_creds()
 
 
+class TempestVerifyConfig(command.Command):
+    """Verify your current tempest configuration"""
+
+    def get_parser(self, prog_name):
+        parser = super(TempestVerifyConfig, self).get_parser(prog_name)
+        _parser_add_args(parser)
+        return parser
+
+    def take_action(self, parsed_args):
+        try:
+            return main(parsed_args)
+        except Exception:
+            LOG.exception("Failure verifying configuration.")
+            traceback.print_exc()
+            raise
+        return 0
+
 if __name__ == "__main__":
     main()
diff --git a/tempest/common/api_version_utils.py b/tempest/common/api_version_utils.py
index c499f23..ac3322e 100644
--- a/tempest/common/api_version_utils.py
+++ b/tempest/common/api_version_utils.py
@@ -39,7 +39,7 @@
     if ((min_version > max_version) or
        (config_min_version > config_max_version)):
         msg = ("Min version is greater than Max version. Test Class versions "
-               "[%s - %s]. configration versions [%s - %s]."
+               "[%s - %s]. configuration versions [%s - %s]."
                % (min_version.get_string(),
                   max_version.get_string(),
                   config_min_version.get_string(),
@@ -56,9 +56,16 @@
     if (max_version < config_min_version or
         config_max_version < min_version):
         msg = ("The microversion range[%s - %s] of this test is out of the "
-               "configration range[%s - %s]."
+               "configuration range[%s - %s]."
                % (min_version.get_string(),
                   max_version.get_string(),
                   config_min_version.get_string(),
                   config_max_version.get_string()))
         raise testtools.TestCase.skipException(msg)
+
+
+def select_request_microversion(test_min_version, cfg_min_version):
+    test_version = api_version_request.APIVersionRequest(test_min_version)
+    cfg_version = api_version_request.APIVersionRequest(cfg_min_version)
+    max_version = cfg_version if cfg_version >= test_version else test_version
+    return max_version.get_string()
diff --git a/tempest/common/compute.py b/tempest/common/compute.py
index 5a14fbe..6e6ada8 100644
--- a/tempest/common/compute.py
+++ b/tempest/common/compute.py
@@ -48,11 +48,7 @@
 
     # TODO(jlanoux) add support of wait_until PINGABLE/SSHABLE
 
-    if 'name' in kwargs:
-        name = kwargs.pop('name')
-    else:
-        name = data_utils.rand_name(__name__ + "-instance")
-
+    name = kwargs.pop('name', data_utils.rand_name(__name__ + "-instance"))
     flavor = kwargs.pop('flavor', CONF.compute.flavor_ref)
     image_id = kwargs.pop('image_id', CONF.compute.image_ref)
 
diff --git a/tempest/common/cred_client.py b/tempest/common/cred_client.py
index 5d15988..6df7eb2 100644
--- a/tempest/common/cred_client.py
+++ b/tempest/common/cred_client.py
@@ -32,16 +32,17 @@
     """
 
     def __init__(self, identity_client, projects_client=None,
-                 roles_client=None):
+                 roles_client=None, users_client=None):
         # The client implies version and credentials
         self.identity_client = identity_client
         # this is temporary until the v3 project client is
         # separated, then projects_client will become mandatory
         self.projects_client = projects_client or identity_client
         self.roles_client = roles_client or identity_client
+        self.users_client = users_client or identity_client
 
     def create_user(self, username, password, project, email):
-        user = self.identity_client.create_user(
+        user = self.users_client.create_user(
             username, password, project['id'], email)
         if 'user' in user:
             user = user['user']
@@ -87,7 +88,7 @@
         pass
 
     def delete_user(self, user_id):
-        self.identity_client.delete_user(user_id)
+        self.users_client.delete_user(user_id)
 
     def _list_roles(self):
         roles = self.roles_client.list_roles()['roles']
@@ -96,10 +97,12 @@
 
 class V2CredsClient(CredsClient):
 
-    def __init__(self, identity_client, projects_client, roles_client):
+    def __init__(self, identity_client, projects_client, roles_client,
+                 users_client):
         super(V2CredsClient, self).__init__(identity_client,
                                             projects_client,
-                                            roles_client)
+                                            roles_client,
+                                            users_client)
 
     def create_project(self, name, description):
         tenant = self.projects_client.create_tenant(
@@ -165,8 +168,10 @@
 def get_creds_client(identity_client,
                      projects_client=None,
                      roles_client=None,
+                     users_client=None,
                      project_domain_name=None):
     if isinstance(identity_client, v2_identity.IdentityClient):
-        return V2CredsClient(identity_client, projects_client, roles_client)
+        return V2CredsClient(identity_client, projects_client, roles_client,
+                             users_client)
     else:
         return V3CredsClient(identity_client, project_domain_name)
diff --git a/tempest/common/cred_provider.py b/tempest/common/cred_provider.py
index aa237e0..9dd89ea 100644
--- a/tempest/common/cred_provider.py
+++ b/tempest/common/cred_provider.py
@@ -14,14 +14,11 @@
 
 import abc
 
-from oslo_log import log as logging
 import six
 from tempest_lib import auth
 
 from tempest import exceptions
 
-LOG = logging.getLogger(__name__)
-
 
 @six.add_metaclass(abc.ABCMeta)
 class CredentialProvider(object):
diff --git a/tempest/common/credentials_factory.py b/tempest/common/credentials_factory.py
index 5d290d4..24c1198 100644
--- a/tempest/common/credentials_factory.py
+++ b/tempest/common/credentials_factory.py
@@ -12,7 +12,6 @@
 #    limitations under the License.
 
 from oslo_concurrency import lockutils
-from oslo_log import log as logging
 from tempest_lib import auth
 
 from tempest import clients
@@ -23,7 +22,6 @@
 from tempest import exceptions
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 """This module provides factories of credential and credential providers
diff --git a/tempest/common/dynamic_creds.py b/tempest/common/dynamic_creds.py
index 5bbc93c..95ad229 100644
--- a/tempest/common/dynamic_creds.py
+++ b/tempest/common/dynamic_creds.py
@@ -59,6 +59,7 @@
         self.default_admin_creds = admin_creds
         (self.identity_admin_client, self.tenants_admin_client,
          self.roles_admin_client,
+         self.users_admin_client,
          self.network_admin_client,
          self.networks_admin_client,
          self.subnets_admin_client,
@@ -75,6 +76,7 @@
             self.identity_admin_client,
             self.tenants_admin_client,
             self.roles_admin_client,
+            self.users_admin_client,
             self.creds_domain_name)
 
     def _get_admin_clients(self):
@@ -87,10 +89,11 @@
         os = clients.Manager(self.default_admin_creds)
         if self.identity_version == 'v2':
             return (os.identity_client, os.tenants_client, os.roles_client,
-                    os.network_client, os.networks_client, os.subnets_client,
-                    os.ports_client, os.security_groups_client)
+                    os.users_client, os.network_client, os.networks_client,
+                    os.subnets_client, os.ports_client,
+                    os.security_groups_client)
         else:
-            return (os.identity_v3_client, None, None, os.network_client,
+            return (os.identity_v3_client, None, None, None, os.network_client,
                     os.networks_client, os.subnets_client, os.ports_client,
                     os.security_groups_client)
 
@@ -285,24 +288,24 @@
         try:
             net_client.delete_router(router_id)
         except lib_exc.NotFound:
-            LOG.warn('router with name: %s not found for delete' %
-                     router_name)
+            LOG.warning('router with name: %s not found for delete' %
+                        router_name)
 
     def _clear_isolated_subnet(self, subnet_id, subnet_name):
         client = self.subnets_admin_client
         try:
             client.delete_subnet(subnet_id)
         except lib_exc.NotFound:
-            LOG.warn('subnet with name: %s not found for delete' %
-                     subnet_name)
+            LOG.warning('subnet with name: %s not found for delete' %
+                        subnet_name)
 
     def _clear_isolated_network(self, network_id, network_name):
         net_client = self.networks_admin_client
         try:
             net_client.delete_network(network_id)
         except lib_exc.NotFound:
-            LOG.warn('network with name: %s not found for delete' %
-                     network_name)
+            LOG.warning('network with name: %s not found for delete' %
+                        network_name)
 
     def _cleanup_default_secgroup(self, tenant):
         nsg_client = self.security_groups_admin_client
@@ -313,8 +316,8 @@
             try:
                 nsg_client.delete_security_group(secgroup['id'])
             except lib_exc.NotFound:
-                LOG.warn('Security group %s, id %s not found for clean-up' %
-                         (secgroup['name'], secgroup['id']))
+                LOG.warning('Security group %s, id %s not found for clean-up' %
+                            (secgroup['name'], secgroup['id']))
 
     def _clear_isolated_net_resources(self):
         net_client = self.network_admin_client
@@ -333,8 +336,8 @@
                     net_client.remove_router_interface_with_subnet_id(
                         creds.router['id'], creds.subnet['id'])
                 except lib_exc.NotFound:
-                    LOG.warn('router with name: %s not found for delete' %
-                             creds.router['name'])
+                    LOG.warning('router with name: %s not found for delete' %
+                                creds.router['name'])
                 self._clear_isolated_router(creds.router['id'],
                                             creds.router['name'])
             if (not self.network_resources or
@@ -354,15 +357,15 @@
             try:
                 self.creds_client.delete_user(creds.user_id)
             except lib_exc.NotFound:
-                LOG.warn("user with name: %s not found for delete" %
-                         creds.username)
+                LOG.warning("user with name: %s not found for delete" %
+                            creds.username)
             try:
                 if CONF.service_available.neutron:
                     self._cleanup_default_secgroup(creds.tenant_id)
                 self.creds_client.delete_project(creds.tenant_id)
             except lib_exc.NotFound:
-                LOG.warn("tenant with name: %s not found for delete" %
-                         creds.tenant_name)
+                LOG.warning("tenant with name: %s not found for delete" %
+                            creds.tenant_name)
         self._creds = {}
 
     def is_multi_user(self):
diff --git a/tempest/common/fixed_network.py b/tempest/common/fixed_network.py
index 56cd331..3fc1365 100644
--- a/tempest/common/fixed_network.py
+++ b/tempest/common/fixed_network.py
@@ -49,13 +49,13 @@
                    name, networks))
         if caller:
             msg = '(%s) %s' % (caller, msg)
-        LOG.warn(msg)
+        LOG.warning(msg)
         raise exceptions.InvalidTestResource(type='network', name=name)
     else:
         msg = "Network with name: %s not found" % name
         if caller:
             msg = '(%s) %s' % (caller, msg)
-        LOG.warn(msg)
+        LOG.warning(msg)
         raise exceptions.InvalidTestResource(type='network', name=name)
     # To be consistent between neutron and nova network always use name even
     # if label is used in the api response. If neither is present than then
@@ -65,7 +65,7 @@
         msg = "Network found from list doesn't contain a valid name or label"
         if caller:
             msg = '(%s) %s' % (caller, msg)
-        LOG.warn(msg)
+        LOG.warning(msg)
         raise exceptions.InvalidTestResource(type='network', name=name)
     network['name'] = name
     return network
@@ -122,6 +122,6 @@
         if 'id' in network.keys():
             params.update({"networks": [{'uuid': network['id']}]})
         else:
-            LOG.warn('The provided network dict: %s was invalid and did not '
-                     ' contain an id' % network)
+            LOG.warning('The provided network dict: %s was invalid and did '
+                        'not contain an id' % network)
     return params
diff --git a/tempest/common/generator/base_generator.py b/tempest/common/generator/base_generator.py
index a66002f..3a51f2e 100644
--- a/tempest/common/generator/base_generator.py
+++ b/tempest/common/generator/base_generator.py
@@ -17,11 +17,8 @@
 import functools
 
 import jsonschema
-from oslo_log import log as logging
 import six
 
-LOG = logging.getLogger(__name__)
-
 
 def _check_for_expected_result(name, schema):
     expected_result = None
diff --git a/tempest/common/generator/negative_generator.py b/tempest/common/generator/negative_generator.py
index 17997a5..67ace54 100644
--- a/tempest/common/generator/negative_generator.py
+++ b/tempest/common/generator/negative_generator.py
@@ -15,13 +15,9 @@
 
 import copy
 
-from oslo_log import log as logging
-
 import tempest.common.generator.base_generator as base
 import tempest.common.generator.valid_generator as valid
 
-LOG = logging.getLogger(__name__)
-
 
 class NegativeTestGenerator(base.BasicGeneratorSet):
     @base.generator_type("string")
diff --git a/tempest/common/generator/valid_generator.py b/tempest/common/generator/valid_generator.py
index 2213b4a..3070489 100644
--- a/tempest/common/generator/valid_generator.py
+++ b/tempest/common/generator/valid_generator.py
@@ -13,15 +13,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 import six
 
 import tempest.common.generator.base_generator as base
 
 
-LOG = logging.getLogger(__name__)
-
-
 class ValidTestGenerator(base.BasicGeneratorSet):
     @base.generator_type("string")
     @base.simple_generator
diff --git a/tempest/common/validation_resources.py b/tempest/common/validation_resources.py
index f526299..9457a60 100644
--- a/tempest/common/validation_resources.py
+++ b/tempest/common/validation_resources.py
@@ -24,7 +24,7 @@
 
 def create_ssh_security_group(os, add_rule=False):
     security_groups_client = os.compute_security_groups_client
-    security_group_rules_client = os.security_group_rules_client
+    security_group_rules_client = os.compute_security_group_rules_client
     sg_name = data_utils.rand_name('securitygroup-')
     sg_description = data_utils.rand_name('description-')
     security_group = security_groups_client.create_security_group(
@@ -73,8 +73,8 @@
             try:
                 keypair_client.delete_keypair(keypair_name)
             except lib_exc.NotFound:
-                LOG.warn("Keypair %s is not found when attempting to delete"
-                         % keypair_name)
+                LOG.warning("Keypair %s is not found when attempting to delete"
+                            % keypair_name)
             except Exception as exc:
                 LOG.exception('Exception raised while deleting key %s'
                               % keypair_name)
@@ -87,8 +87,8 @@
                 security_group_client.delete_security_group(sec_id)
                 security_group_client.wait_for_resource_deletion(sec_id)
             except lib_exc.NotFound:
-                LOG.warn("Security group %s is not found when attempting to "
-                         " delete" % sec_id)
+                LOG.warning("Security group %s is not found when attempting "
+                            "to delete" % sec_id)
             except lib_exc.Conflict as exc:
                 LOG.exception('Conflict while deleting security '
                               'group %s VM might not be deleted ' % sec_id)
@@ -105,8 +105,8 @@
             try:
                 floating_client.delete_floating_ip(fip_id)
             except lib_exc.NotFound:
-                LOG.warn('Floating ip %s not found while attempting to delete'
-                         % fip_id)
+                LOG.warning('Floating ip %s not found while attempting to '
+                            'delete' % fip_id)
             except Exception as exc:
                 LOG.exception('Exception raised while deleting ip %s '
                               % fip_id)
diff --git a/tempest/config.py b/tempest/config.py
index 8f2ca4b..92123b9 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -737,7 +737,7 @@
                deprecated_for_removal=True),
     cfg.ListOpt('backend_names',
                 default=['BACKEND_1', 'BACKEND_2'],
-                help='A list of backend names seperated by comma .'
+                help='A list of backend names separated by comma. '
                      'The backend name must be declared in cinder.conf',
                 deprecated_opts=[cfg.DeprecatedOpt('BACKEND_1',
                                                    group='volume'),
@@ -785,9 +785,10 @@
                 default=True,
                 help="Is the v2 volume API enabled"),
     cfg.BoolOpt('bootable',
-                default=False,
+                default=True,
                 help='Update bootable status of a volume '
-                     'Not implemented on icehouse ')
+                     'Not implemented on icehouse ',
+                deprecated_for_removal=True)
 ]
 
 
diff --git a/tempest/exceptions.py b/tempest/exceptions.py
index 1d725af..931737d 100644
--- a/tempest/exceptions.py
+++ b/tempest/exceptions.py
@@ -181,6 +181,11 @@
                "be of format MajorNum.MinorNum or string 'latest'.")
 
 
+class JSONSchemaNotFound(TempestException):
+    message = ("JSON Schema for %(version)s is not found in \n"
+               " %(schema_versions_info)s")
+
+
 class CommandFailed(Exception):
     def __init__(self, returncode, cmd, output, stderr):
         super(CommandFailed, self).__init__()
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 8a00c65..bb4e521 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -49,16 +49,17 @@
         cls.flavors_client = cls.manager.flavors_client
         cls.compute_floating_ips_client = (
             cls.manager.compute_floating_ips_client)
-        # Glance image client v1
-        cls.image_client = cls.manager.image_client
+        if CONF.service_available.glance:
+            # Glance image client v1
+            cls.image_client = cls.manager.image_client
         # Compute image client
-        cls.images_client = cls.manager.images_client
+        cls.compute_images_client = cls.manager.compute_images_client
         cls.keypairs_client = cls.manager.keypairs_client
         # Nova security groups client
         cls.compute_security_groups_client = (
             cls.manager.compute_security_groups_client)
-        cls.security_group_rules_client = (
-            cls.manager.security_group_rules_client)
+        cls.compute_security_group_rules_client = (
+            cls.manager.compute_security_group_rules_client)
         cls.servers_client = cls.manager.servers_client
         cls.interface_client = cls.manager.interfaces_client
         # Neutron network client
@@ -260,9 +261,13 @@
                       imageRef=None, volume_type=None, wait_on_delete=True):
         if name is None:
             name = data_utils.rand_name(self.__class__.__name__)
-        volume = self.volumes_client.create_volume(
-            size=size, display_name=name, snapshot_id=snapshot_id,
-            imageRef=imageRef, volume_type=volume_type)['volume']
+        kwargs = {'display_name': name,
+                  'snapshot_id': snapshot_id,
+                  'imageRef': imageRef,
+                  'volume_type': volume_type}
+        if size is not None:
+            kwargs.update({'size': size})
+        volume = self.volumes_client.create_volume(**kwargs)['volume']
 
         if wait_on_delete:
             self.addCleanup(self.volumes_client.wait_for_resource_deletion,
@@ -289,7 +294,7 @@
 
     def _create_loginable_secgroup_rule(self, secgroup_id=None):
         _client = self.compute_security_groups_client
-        _client_rules = self.security_group_rules_client
+        _client_rules = self.compute_security_group_rules_client
         if secgroup_id is None:
             sgs = _client.list_security_groups()['security_groups']
             for sg in sgs:
@@ -344,17 +349,13 @@
 
         return secgroup
 
-    def get_remote_client(self, server_or_ip, username=None, private_key=None,
-                          log_console_of_servers=None):
+    def get_remote_client(self, server_or_ip, username=None, private_key=None):
         """Get a SSH client to a remote server
 
         @param server_or_ip a server object as returned by Tempest compute
             client or an IP address to connect to
         @param username name of the Linux account on the remote server
         @param private_key the SSH private key to use
-        @param log_console_of_servers a list of server objects. Each server
-            in the list will have its console printed in the logs in case the
-            SSH connection failed to be established
         @return a RemoteClient object
         """
         if isinstance(server_or_ip, six.string_types):
@@ -391,10 +392,7 @@
             if caller:
                 message = '(%s) %s' % (caller, message)
             LOG.exception(message)
-            # If we don't explicitly set for which servers we want to
-            # log the console output then all the servers will be logged.
-            # See the definition of _log_console_output()
-            self._log_console_output(log_console_of_servers)
+            self._log_console_output()
             raise
 
         return linux_client
@@ -471,7 +469,7 @@
         # Glance client
         _image_client = self.image_client
         # Compute client
-        _images_client = self.images_client
+        _images_client = self.compute_images_client
         if name is None:
             name = data_utils.rand_name('scenario-snapshot')
         LOG.debug("Creating a snapshot image for server: %s", server['name'])
@@ -729,7 +727,7 @@
 
     def _list_agents(self, *args, **kwargs):
         """List agents using admin creds """
-        agents_list = self.admin_manager.network_client.list_agents(
+        agents_list = self.admin_manager.network_agents_client.list_agents(
             *args, **kwargs)
         return agents_list['agents']
 
@@ -932,8 +930,8 @@
             try:
                 source.ping_host(dest, nic=nic)
             except lib_exc.SSHExecCommandFailed:
-                LOG.warn('Failed to ping IP: %s via a ssh connection from: %s.'
-                         % (dest, source.ssh_client.host))
+                LOG.warning('Failed to ping IP: %s via a ssh connection '
+                            'from: %s.' % (dest, source.ssh_client.host))
                 return not should_succeed
             return should_succeed
 
diff --git a/tempest/scenario/test_aggregates_basic_ops.py b/tempest/scenario/test_aggregates_basic_ops.py
index 62c0262..97a755d 100644
--- a/tempest/scenario/test_aggregates_basic_ops.py
+++ b/tempest/scenario/test_aggregates_basic_ops.py
@@ -13,17 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest.common import tempest_fixtures as fixtures
 from tempest.common.utils import data_utils
 from tempest.scenario import manager
 from tempest import test
 
 
-LOG = logging.getLogger(__name__)
-
-
 class TestAggregatesBasicOps(manager.ScenarioTest):
     """Creates an aggregate within an availability zone
 
diff --git a/tempest/scenario/test_large_ops.py b/tempest/scenario/test_large_ops.py
index b549ecb..402077f 100644
--- a/tempest/scenario/test_large_ops.py
+++ b/tempest/scenario/test_large_ops.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 from tempest_lib import exceptions as lib_exc
 
 from tempest.common import fixed_network
@@ -26,9 +25,6 @@
 CONF = config.CONF
 
 
-LOG = logging.getLogger(__name__)
-
-
 class TestLargeOpsScenario(manager.ScenarioTest):
 
     """Test large operations.
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index 2ef3cee..ff9dabf 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest.common import custom_matchers
 from tempest.common import waiters
 from tempest import config
@@ -24,8 +22,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class TestMinimumBasicScenario(manager.ScenarioTest):
 
diff --git a/tempest/scenario/test_network_advanced_server_ops.py b/tempest/scenario/test_network_advanced_server_ops.py
index d6dd6f3..2cbe6dc 100644
--- a/tempest/scenario/test_network_advanced_server_ops.py
+++ b/tempest/scenario/test_network_advanced_server_ops.py
@@ -13,7 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
 import testtools
 
 from tempest.common.utils import data_utils
@@ -23,7 +22,6 @@
 from tempest import test
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 class TestNetworkAdvancedServerOps(manager.NetworkScenarioTest):
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 44942b0..b8bec16 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -683,9 +683,9 @@
 
         list_hosts = (self.admin_manager.network_client.
                       list_l3_agents_hosting_router)
-        schedule_router = (self.admin_manager.network_client.
+        schedule_router = (self.admin_manager.network_agents_client.
                            add_router_to_l3_agent)
-        unschedule_router = (self.admin_manager.network_client.
+        unschedule_router = (self.admin_manager.network_agents_client.
                              remove_router_from_l3_agent)
 
         agent_list = set(a["id"] for a in
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
index 40c7680..cc28873 100644
--- a/tempest/scenario/test_network_v6.py
+++ b/tempest/scenario/test_network_v6.py
@@ -14,7 +14,6 @@
 #    under the License.
 import functools
 
-from oslo_log import log as logging
 import six
 
 from tempest import config
@@ -23,7 +22,6 @@
 
 
 CONF = config.CONF
-LOG = logging.getLogger(__name__)
 
 
 class TestGettingAddress(manager.NetworkScenarioTest):
diff --git a/tempest/scenario/test_object_storage_basic_ops.py b/tempest/scenario/test_object_storage_basic_ops.py
index 98dd705..63ffa0b 100644
--- a/tempest/scenario/test_object_storage_basic_ops.py
+++ b/tempest/scenario/test_object_storage_basic_ops.py
@@ -13,16 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest import config
 from tempest.scenario import manager
 from tempest import test
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class TestObjectStorageBasicOps(manager.ObjectStorageScenarioTest):
     """Test swift basic ops.
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index 783b740..8375d05 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from oslo_log import log as logging
-
 from tempest import clients
 from tempest.common.utils import data_utils
 from tempest import config
@@ -23,8 +21,6 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class TestSecurityGroupsBasicOps(manager.NetworkScenarioTest):
 
@@ -137,6 +133,9 @@
             msg = ('Either tenant_networks_reachable must be "true", or '
                    'public_network_id must be defined.')
             raise cls.skipException(msg)
+        if not test.is_extension_enabled('security-group', 'network'):
+            msg = "security-group extension not enabled."
+            raise cls.skipException(msg)
 
     @classmethod
     def setup_credentials(cls):
diff --git a/tempest/scenario/test_server_multinode.py b/tempest/scenario/test_server_multinode.py
index 7e0e41c..0cf72c3 100644
--- a/tempest/scenario/test_server_multinode.py
+++ b/tempest/scenario/test_server_multinode.py
@@ -14,8 +14,6 @@
 #    under the License.
 
 
-from oslo_log import log as logging
-
 from tempest import config
 from tempest import exceptions
 from tempest.scenario import manager
@@ -23,14 +21,20 @@
 
 CONF = config.CONF
 
-LOG = logging.getLogger(__name__)
-
 
 class TestServerMultinode(manager.ScenarioTest):
     """This is a set of tests specific to multinode testing."""
     credentials = ['primary', 'admin']
 
     @classmethod
+    def skip_checks(cls):
+        super(TestServerMultinode, cls).skip_checks()
+
+        if CONF.compute.min_compute_nodes < 2:
+            raise cls.skipException(
+                "Less than 2 compute nodes, skipping multinode tests.")
+
+    @classmethod
     def setup_clients(cls):
         super(TestServerMultinode, cls).setup_clients()
         # Use admin client by default
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index faae800..8183ce3 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -67,7 +67,7 @@
     def _create_volume_snapshot(self, volume):
         snapshot_name = data_utils.rand_name('scenario-snapshot')
         snapshot = self.snapshots_client.create_snapshot(
-            volume['id'], display_name=snapshot_name)['snapshot']
+            volume_id=volume['id'], display_name=snapshot_name)['snapshot']
 
         def cleaner():
             self.snapshots_client.delete_snapshot(snapshot['id'])
diff --git a/tempest/scenario/utils.py b/tempest/scenario/utils.py
index fa7c0c9..3cbb3bc 100644
--- a/tempest/scenario/utils.py
+++ b/tempest/scenario/utils.py
@@ -40,11 +40,11 @@
         self.non_ssh_image_pattern = \
             CONF.input_scenario.non_ssh_image_regex
         # Setup clients
-        self.images_client = os.images_client
+        self.compute_images_client = os.compute_images_client
         self.flavors_client = os.flavors_client
 
     def ssh_user(self, image_id):
-        _image = self.images_client.show_image(image_id)['image']
+        _image = self.compute_images_client.show_image(image_id)['image']
         for regex, user in self.ssh_users:
             # First match wins
             if re.match(regex, _image['name']) is not None:
@@ -57,14 +57,14 @@
                              string=str(image['name']))
 
     def is_sshable_image(self, image_id):
-        _image = self.images_client.show_image(image_id)['image']
+        _image = self.compute_images_client.show_image(image_id)['image']
         return self._is_sshable_image(_image)
 
     def _is_flavor_enough(self, flavor, image):
         return image['minDisk'] <= flavor['disk']
 
     def is_flavor_enough(self, flavor_id, image_id):
-        _image = self.images_client.show_image(image_id)['image']
+        _image = self.compute_images_client.show_image(image_id)['image']
         _flavor = self.flavors_client.show_flavor(flavor_id)['flavor']
         return self._is_flavor_enough(_flavor, _image)
 
@@ -108,7 +108,7 @@
             identity_version=CONF.identity.auth_version,
             network_resources=network_resources)
         os = clients.Manager(self.cred_provider.get_primary_creds())
-        self.images_client = os.images_client
+        self.compute_images_client = os.compute_images_client
         self.flavors_client = os.flavors_client
         self.image_pattern = CONF.input_scenario.image_regex
         self.flavor_pattern = CONF.input_scenario.flavor_regex
@@ -128,7 +128,7 @@
             return []
         if not hasattr(self, '_scenario_images'):
             try:
-                images = self.images_client.list_images()['images']
+                images = self.compute_images_client.list_images()['images']
                 self._scenario_images = [
                     (self._normalize_name(i['name']), dict(image_ref=i['id']))
                     for i in images if re.search(self.image_pattern,
diff --git a/tempest/services/compute/json/base.py b/tempest/services/compute/json/base.py
index 02e9f8b..40d3056 100644
--- a/tempest/services/compute/json/base.py
+++ b/tempest/services/compute/json/base.py
@@ -12,10 +12,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest.common import service_client
+from tempest_lib.common import rest_client
+
+from tempest.common import api_version_request
+from tempest import exceptions
 
 
-class BaseComputeClient(service_client.ServiceClient):
+class BaseComputeClient(rest_client.RestClient):
     api_microversion = None
 
     def get_headers(self):
@@ -23,3 +26,39 @@
         if self.api_microversion:
             headers['X-OpenStack-Nova-API-Version'] = self.api_microversion
         return headers
+
+    def set_api_microversion(self, microversion):
+        self.api_microversion = microversion
+
+    def get_schema(self, schema_versions_info):
+        """Get JSON schema
+
+        This method provides the matching schema for requested
+        microversion (self.api_microversion).
+        :param schema_versions_info: List of dict which provides schema
+        information with range of valid versions.
+        Example -
+        schema_versions_info = [
+            {'min': None, 'max': '2.1', 'schema': schemav21},
+            {'min': '2.2', 'max': '2.9', 'schema': schemav22},
+            {'min': '2.10', 'max': None, 'schema': schemav210}]
+        """
+        schema = None
+        version = api_version_request.APIVersionRequest(self.api_microversion)
+        for items in schema_versions_info:
+            min_version = api_version_request.APIVersionRequest(items['min'])
+            max_version = api_version_request.APIVersionRequest(items['max'])
+            # This is case where self.api_microversion is None, which means
+            # request without microversion So select base v2.1 schema.
+            if version.is_null() and items['min'] is None:
+                schema = items['schema']
+                break
+            # else select appropriate schema as per self.api_microversion
+            elif version.matches(min_version, max_version):
+                schema = items['schema']
+                break
+        if schema is None:
+            raise exceptions.JSONSchemaNotFound(
+                version=version.get_string(),
+                schema_versions_info=schema_versions_info)
+        return schema
diff --git a/tempest/services/database/json/flavors_client.py b/tempest/services/database/json/flavors_client.py
index 34a91ba..dbb5172 100644
--- a/tempest/services/database/json/flavors_client.py
+++ b/tempest/services/database/json/flavors_client.py
@@ -14,7 +14,7 @@
 #    under the License.
 
 from oslo_serialization import jsonutils as json
-import urllib
+from six.moves import urllib
 
 from tempest.common import service_client
 
@@ -24,7 +24,7 @@
     def list_db_flavors(self, params=None):
         url = 'flavors'
         if params:
-            url += '?%s' % urllib.urlencode(params)
+            url += '?%s' % urllib.parse.urlencode(params)
 
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
diff --git a/tempest/services/identity/v2/json/identity_client.py b/tempest/services/identity/v2/json/identity_client.py
index ff6c838..0ff59d5 100644
--- a/tempest/services/identity/v2/json/identity_client.py
+++ b/tempest/services/identity/v2/json/identity_client.py
@@ -26,67 +26,6 @@
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
 
-    def create_user(self, name, password, tenant_id, email, **kwargs):
-        """Create a user."""
-        post_body = {
-            'name': name,
-            'password': password,
-            'email': email
-        }
-        if tenant_id is not None:
-            post_body['tenantId'] = tenant_id
-        if kwargs.get('enabled') is not None:
-            post_body['enabled'] = kwargs.get('enabled')
-        post_body = json.dumps({'user': post_body})
-        resp, body = self.post('users', post_body)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def update_user(self, user_id, **kwargs):
-        """Updates a user."""
-        put_body = json.dumps({'user': kwargs})
-        resp, body = self.put('users/%s' % user_id, put_body)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def show_user(self, user_id):
-        """GET a user."""
-        resp, body = self.get("users/%s" % user_id)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def delete_user(self, user_id):
-        """Delete a user."""
-        resp, body = self.delete("users/%s" % user_id)
-        self.expected_success(204, resp.status)
-        return service_client.ResponseBody(resp, body)
-
-    def list_users(self):
-        """Get the list of users."""
-        resp, body = self.get("users")
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def enable_disable_user(self, user_id, **kwargs):
-        """Enables or disables a user.
-
-        Available params: see http://developer.openstack.org/
-                              api-ref-identity-v2-ext.html#enableUser
-        """
-        # NOTE: The URL (users/<id>/enabled) is different from the api-site
-        # one (users/<id>/OS-KSADM/enabled) , but they are the same API
-        # because of the fact that in keystone/contrib/admin_crud/core.py
-        # both api use same action='set_user_enabled'
-        put_body = json.dumps({'user': kwargs})
-        resp, body = self.put('users/%s/enabled' % user_id, put_body)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
     def show_token(self, token_id):
         """Get token details."""
         resp, body = self.get("tokens/%s" % token_id)
@@ -164,66 +103,9 @@
         self.expected_success(204, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def update_user_password(self, user_id, **kwargs):
-        """Update User Password."""
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1524147
-        put_body = json.dumps({'user': kwargs})
-        resp, body = self.put('users/%s/OS-KSADM/password' % user_id, put_body)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def update_user_own_password(self, user_id, **kwargs):
-        """User updates own password"""
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1524153
-        # NOTE: This API is used for updating user password by itself.
-        # Ref: http://lists.openstack.org/pipermail/openstack-dev/2015-December
-        #      /081803.html
-        patch_body = json.dumps({'user': kwargs})
-        resp, body = self.patch('OS-KSCRUD/users/%s' % user_id, patch_body)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
     def list_extensions(self):
         """List all the extensions."""
         resp, body = self.get('/extensions')
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
-
-    def create_user_ec2_credentials(self, user_id, **kwargs):
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        post_body = json.dumps(kwargs)
-        resp, body = self.post('/users/%s/credentials/OS-EC2' % user_id,
-                               post_body)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def delete_user_ec2_credentials(self, user_id, access):
-        resp, body = self.delete('/users/%s/credentials/OS-EC2/%s' %
-                                 (user_id, access))
-        self.expected_success(204, resp.status)
-        return service_client.ResponseBody(resp, body)
-
-    def list_user_ec2_credentials(self, user_id):
-        resp, body = self.get('/users/%s/credentials/OS-EC2' % user_id)
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
-
-    def show_user_ec2_credentials(self, user_id, access):
-        resp, body = self.get('/users/%s/credentials/OS-EC2/%s' %
-                              (user_id, access))
-        self.expected_success(200, resp.status)
-        body = json.loads(body)
-        return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v2/json/users_client.py b/tempest/services/identity/v2/json/users_client.py
new file mode 100644
index 0000000..5327638
--- /dev/null
+++ b/tempest/services/identity/v2/json/users_client.py
@@ -0,0 +1,137 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from oslo_serialization import jsonutils as json
+
+from tempest.common import service_client
+
+
+class UsersClient(service_client.ServiceClient):
+    api_version = "v2.0"
+
+    def create_user(self, name, password, tenant_id, email, **kwargs):
+        """Create a user."""
+        post_body = {
+            'name': name,
+            'password': password,
+            'email': email
+        }
+        if tenant_id is not None:
+            post_body['tenantId'] = tenant_id
+        if kwargs.get('enabled') is not None:
+            post_body['enabled'] = kwargs.get('enabled')
+        post_body = json.dumps({'user': post_body})
+        resp, body = self.post('users', post_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def update_user(self, user_id, **kwargs):
+        """Updates a user."""
+        put_body = json.dumps({'user': kwargs})
+        resp, body = self.put('users/%s' % user_id, put_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def show_user(self, user_id):
+        """GET a user."""
+        resp, body = self.get("users/%s" % user_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def delete_user(self, user_id):
+        """Delete a user."""
+        resp, body = self.delete("users/%s" % user_id)
+        self.expected_success(204, resp.status)
+        return service_client.ResponseBody(resp, body)
+
+    def list_users(self):
+        """Get the list of users."""
+        resp, body = self.get("users")
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def enable_disable_user(self, user_id, **kwargs):
+        """Enables or disables a user.
+
+        Available params: see http://developer.openstack.org/
+                              api-ref-identity-v2-ext.html#enableUser
+        """
+        # NOTE: The URL (users/<id>/enabled) is different from the api-site
+        # one (users/<id>/OS-KSADM/enabled) , but they are the same API
+        # because of the fact that in keystone/contrib/admin_crud/core.py
+        # both api use same action='set_user_enabled'
+        put_body = json.dumps({'user': kwargs})
+        resp, body = self.put('users/%s/enabled' % user_id, put_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def update_user_password(self, user_id, **kwargs):
+        """Update User Password."""
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1524147
+        put_body = json.dumps({'user': kwargs})
+        resp, body = self.put('users/%s/OS-KSADM/password' % user_id, put_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def update_user_own_password(self, user_id, **kwargs):
+        """User updates own password"""
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1524153
+        # NOTE: This API is used for updating user password by itself.
+        # Ref: http://lists.openstack.org/pipermail/openstack-dev/2015-December
+        #      /081803.html
+        patch_body = json.dumps({'user': kwargs})
+        resp, body = self.patch('OS-KSCRUD/users/%s' % user_id, patch_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def create_user_ec2_credentials(self, user_id, **kwargs):
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        post_body = json.dumps(kwargs)
+        resp, body = self.post('/users/%s/credentials/OS-EC2' % user_id,
+                               post_body)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def delete_user_ec2_credentials(self, user_id, access):
+        resp, body = self.delete('/users/%s/credentials/OS-EC2/%s' %
+                                 (user_id, access))
+        self.expected_success(204, resp.status)
+        return service_client.ResponseBody(resp, body)
+
+    def list_user_ec2_credentials(self, user_id):
+        resp, body = self.get('/users/%s/credentials/OS-EC2' % user_id)
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
+
+    def show_user_ec2_credentials(self, user_id, access):
+        resp, body = self.get('/users/%s/credentials/OS-EC2/%s' %
+                              (user_id, access))
+        self.expected_success(200, resp.status)
+        body = json.loads(body)
+        return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/image/v1/json/images_client.py b/tempest/services/image/v1/json/images_client.py
index 3406db8..5b6a394 100644
--- a/tempest/services/image/v1/json/images_client.py
+++ b/tempest/services/image/v1/json/images_client.py
@@ -147,50 +147,29 @@
             self._http = self._get_http()
         return self._http
 
-    def create_image(self, name, container_format, disk_format, **kwargs):
-        params = {
-            "name": name,
-            "container_format": container_format,
-            "disk_format": disk_format,
-        }
-
+    def create_image(self, **kwargs):
         headers = {}
+        data = kwargs.pop('data', None)
+        headers.update(self._image_meta_to_headers(kwargs))
 
-        for option in ['is_public', 'location', 'properties',
-                       'copy_from', 'min_ram']:
-            if option in kwargs:
-                params[option] = kwargs.get(option)
-
-        headers.update(self._image_meta_to_headers(params))
-
-        if 'data' in kwargs:
-            return self._create_with_data(headers, kwargs.get('data'))
+        if data is not None:
+            return self._create_with_data(headers, data)
 
         resp, body = self.post('v1/images', None, headers)
         self.expected_success(201, resp.status)
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
 
-    def update_image(self, image_id, name=None, container_format=None,
-                     data=None, properties=None):
-        params = {}
+    def update_image(self, image_id, **kwargs):
         headers = {}
-        if name is not None:
-            params['name'] = name
-
-        if container_format is not None:
-            params['container_format'] = container_format
-
-        if properties is not None:
-            params['properties'] = properties
-
-        headers.update(self._image_meta_to_headers(params))
+        data = kwargs.pop('data', None)
+        headers.update(self._image_meta_to_headers(kwargs))
 
         if data is not None:
             return self._update_with_data(image_id, headers, data)
 
         url = 'v1/images/%s' % image_id
-        resp, body = self.put(url, data, headers)
+        resp, body = self.put(url, None, headers)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/network/json/agents_client.py b/tempest/services/network/json/agents_client.py
new file mode 100644
index 0000000..07f93b2
--- /dev/null
+++ b/tempest/services/network/json/agents_client.py
@@ -0,0 +1,68 @@
+# Copyright 2015 NEC Corporation.  All rights reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest.services.network.json import base
+
+
+class AgentsClient(base.BaseNetworkClient):
+
+    def update_agent(self, agent_id, **kwargs):
+        """Update agent."""
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526673
+        uri = '/agents/%s' % agent_id
+        return self.update_resource(uri, kwargs)
+
+    def show_agent(self, agent_id, **fields):
+        uri = '/agents/%s' % agent_id
+        return self.show_resource(uri, **fields)
+
+    def list_agents(self, **filters):
+        uri = '/agents'
+        return self.list_resources(uri, **filters)
+
+    def list_routers_on_l3_agent(self, agent_id):
+        uri = '/agents/%s/l3-routers' % agent_id
+        return self.list_resources(uri)
+
+    def add_router_to_l3_agent(self, agent_id, **kwargs):
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526670
+        uri = '/agents/%s/l3-routers' % agent_id
+        return self.create_resource(uri, kwargs)
+
+    def remove_router_from_l3_agent(self, agent_id, router_id):
+        uri = '/agents/%s/l3-routers/%s' % (agent_id, router_id)
+        return self.delete_resource(uri)
+
+    def list_networks_hosted_by_one_dhcp_agent(self, agent_id):
+        uri = '/agents/%s/dhcp-networks' % agent_id
+        return self.list_resources(uri)
+
+    def remove_network_from_dhcp_agent(self, agent_id, network_id):
+        uri = '/agents/%s/dhcp-networks/%s' % (agent_id,
+                                               network_id)
+        return self.delete_resource(uri)
+
+    def add_dhcp_agent_to_network(self, agent_id, **kwargs):
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526212
+        uri = '/agents/%s/dhcp-networks' % agent_id
+        return self.create_resource(uri, kwargs)
diff --git a/tempest/services/network/json/floating_ips_client.py b/tempest/services/network/json/floating_ips_client.py
deleted file mode 100644
index 5c490ed..0000000
--- a/tempest/services/network/json/floating_ips_client.py
+++ /dev/null
@@ -1,38 +0,0 @@
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-from tempest.services.network.json import base
-
-
-class FloatingIPsClient(base.BaseNetworkClient):
-
-    def create_floatingip(self, **kwargs):
-        uri = '/floatingips'
-        post_data = {'floatingip': kwargs}
-        return self.create_resource(uri, post_data)
-
-    def update_floatingip(self, floatingip_id, **kwargs):
-        uri = '/floatingips/%s' % floatingip_id
-        post_data = {'floatingip': kwargs}
-        return self.update_resource(uri, post_data)
-
-    def show_floatingip(self, floatingip_id, **fields):
-        uri = '/floatingips/%s' % floatingip_id
-        return self.show_resource(uri, **fields)
-
-    def delete_floatingip(self, floatingip_id):
-        uri = '/floatingips/%s' % floatingip_id
-        return self.delete_resource(uri)
-
-    def list_floatingips(self, **filters):
-        uri = '/floatingips'
-        return self.list_resources(uri, **filters)
diff --git a/tempest/services/network/json/network_client.py b/tempest/services/network/json/network_client.py
index 24a95e0..e8e21d2 100644
--- a/tempest/services/network/json/network_client.py
+++ b/tempest/services/network/json/network_client.py
@@ -229,60 +229,14 @@
         uri = '/ports?device_id=%s' % uuid
         return self.list_resources(uri)
 
-    def update_agent(self, agent_id, **kwargs):
-        """Update agent
-
-        :param agent_info: Agent update information.
-        E.g {"admin_state_up": True}
-        """
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526673
-        uri = '/agents/%s' % agent_id
-        return self.update_resource(uri, kwargs)
-
-    def show_agent(self, agent_id, **fields):
-        uri = '/agents/%s' % agent_id
-        return self.show_resource(uri, **fields)
-
-    def list_agents(self, **filters):
-        uri = '/agents'
-        return self.list_resources(uri, **filters)
-
-    def list_routers_on_l3_agent(self, agent_id):
-        uri = '/agents/%s/l3-routers' % agent_id
-        return self.list_resources(uri)
-
     def list_l3_agents_hosting_router(self, router_id):
         uri = '/routers/%s/l3-agents' % router_id
         return self.list_resources(uri)
 
-    def add_router_to_l3_agent(self, agent_id, **kwargs):
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526670
-        uri = '/agents/%s/l3-routers' % agent_id
-        return self.create_resource(uri, kwargs)
-
-    def remove_router_from_l3_agent(self, agent_id, router_id):
-        uri = '/agents/%s/l3-routers/%s' % (agent_id, router_id)
-        return self.delete_resource(uri)
-
     def list_dhcp_agent_hosting_network(self, network_id):
         uri = '/networks/%s/dhcp-agents' % network_id
         return self.list_resources(uri)
 
-    def list_networks_hosted_by_one_dhcp_agent(self, agent_id):
-        uri = '/agents/%s/dhcp-networks' % agent_id
-        return self.list_resources(uri)
-
-    def remove_network_from_dhcp_agent(self, agent_id, network_id):
-        uri = '/agents/%s/dhcp-networks/%s' % (agent_id,
-                                               network_id)
-        return self.delete_resource(uri)
-
     def update_extra_routes(self, router_id, **kwargs):
         """Update Extra routes.
 
@@ -301,33 +255,3 @@
             }
         }
         return self.update_resource(uri, put_body)
-
-    def add_dhcp_agent_to_network(self, agent_id, **kwargs):
-        # TODO(piyush): Current api-site doesn't contain this API description.
-        # After fixing the api-site, we need to fix here also for putting the
-        # link to api-site.
-        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1526212
-        uri = '/agents/%s/dhcp-networks' % agent_id
-        return self.create_resource(uri, kwargs)
-
-    def list_subnetpools(self, **filters):
-        uri = '/subnetpools'
-        return self.list_resources(uri, **filters)
-
-    def create_subnetpools(self, **kwargs):
-        uri = '/subnetpools'
-        post_data = {'subnetpool': kwargs}
-        return self.create_resource(uri, post_data)
-
-    def show_subnetpools(self, subnetpool_id, **fields):
-        uri = '/subnetpools/%s' % subnetpool_id
-        return self.show_resource(uri, **fields)
-
-    def update_subnetpools(self, subnetpool_id, **kwargs):
-        uri = '/subnetpools/%s' % subnetpool_id
-        post_data = {'subnetpool': kwargs}
-        return self.update_resource(uri, post_data)
-
-    def delete_subnetpools(self, subnetpool_id):
-        uri = '/subnetpools/%s' % subnetpool_id
-        return self.delete_resource(uri)
diff --git a/tempest/services/network/json/subnetpools_client.py b/tempest/services/network/json/subnetpools_client.py
new file mode 100644
index 0000000..f921bb0
--- /dev/null
+++ b/tempest/services/network/json/subnetpools_client.py
@@ -0,0 +1,40 @@
+# Copyright 2015 NEC Corporation.  All rights reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest.services.network.json import base
+
+
+class SubnetpoolsClient(base.BaseNetworkClient):
+
+    def list_subnetpools(self, **filters):
+        uri = '/subnetpools'
+        return self.list_resources(uri, **filters)
+
+    def create_subnetpool(self, **kwargs):
+        uri = '/subnetpools'
+        post_data = {'subnetpool': kwargs}
+        return self.create_resource(uri, post_data)
+
+    def show_subnetpool(self, subnetpool_id, **fields):
+        uri = '/subnetpools/%s' % subnetpool_id
+        return self.show_resource(uri, **fields)
+
+    def update_subnetpool(self, subnetpool_id, **kwargs):
+        uri = '/subnetpools/%s' % subnetpool_id
+        post_data = {'subnetpool': kwargs}
+        return self.update_resource(uri, post_data)
+
+    def delete_subnetpool(self, subnetpool_id):
+        uri = '/subnetpools/%s' % subnetpool_id
+        return self.delete_resource(uri)
diff --git a/tempest/services/volume/base/base_snapshots_client.py b/tempest/services/volume/base/base_snapshots_client.py
index fac90e4..1388e9c 100644
--- a/tempest/services/volume/base/base_snapshots_client.py
+++ b/tempest/services/volume/base/base_snapshots_client.py
@@ -29,7 +29,7 @@
 
     create_resp = 200
 
-    def list_snapshots(self, detail=False, params=None):
+    def list_snapshots(self, detail=False, **params):
         """List all the snapshot."""
         url = 'snapshots'
         if detail:
@@ -50,17 +50,13 @@
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def create_snapshot(self, volume_id, **kwargs):
+    def create_snapshot(self, **kwargs):
         """Creates a new snapshot.
 
-        volume_id(Required): id of the volume.
-        force: Create a snapshot even if the volume attached (Default=False)
-        display_name: Optional snapshot Name.
-        display_description: User friendly snapshot description.
+        Available params: see http://developer.openstack.org/
+                              api-ref-blockstorage-v2.html#createSnapshot
         """
-        post_body = {'volume_id': volume_id}
-        post_body.update(kwargs)
-        post_body = json.dumps({'snapshot': post_body})
+        post_body = json.dumps({'snapshot': kwargs})
         resp, body = self.post('snapshots', post_body)
         body = json.loads(body)
         self.expected_success(self.create_resp, resp.status)
@@ -136,13 +132,14 @@
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def update_snapshot_status(self, snapshot_id, status, progress):
+    def update_snapshot_status(self, snapshot_id, **kwargs):
         """Update the specified snapshot's status."""
-        post_body = {
-            'status': status,
-            'progress': progress
-        }
-        post_body = json.dumps({'os-update_snapshot_status': post_body})
+        # TODO(gmann): api-site doesn't contain doc ref
+        # for this API. After fixing the api-site, we need to
+        # add the link here.
+        # Bug https://bugs.launchpad.net/openstack-api-site/+bug/1532645
+
+        post_body = json.dumps({'os-update_snapshot_status': kwargs})
         url = 'snapshots/%s/action' % str(snapshot_id)
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
@@ -165,18 +162,26 @@
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def update_snapshot_metadata(self, snapshot_id, metadata):
+    def update_snapshot_metadata(self, snapshot_id, **kwargs):
         """Update metadata for the snapshot."""
-        put_body = json.dumps({'metadata': metadata})
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1529063
+        put_body = json.dumps(kwargs)
         url = "snapshots/%s/metadata" % str(snapshot_id)
         resp, body = self.put(url, put_body)
         body = json.loads(body)
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def update_snapshot_metadata_item(self, snapshot_id, id, meta_item):
+    def update_snapshot_metadata_item(self, snapshot_id, id, **kwargs):
         """Update metadata item for the snapshot."""
-        put_body = json.dumps({'meta': meta_item})
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        # LP: https://bugs.launchpad.net/openstack-api-site/+bug/1529064
+        put_body = json.dumps(kwargs)
         url = "snapshots/%s/metadata/%s" % (str(snapshot_id), str(id))
         resp, body = self.put(url, put_body)
         body = json.loads(body)
diff --git a/tempest/services/volume/base/base_volumes_client.py b/tempest/services/volume/base/base_volumes_client.py
index c7302e8..d4435bc 100644
--- a/tempest/services/volume/base/base_volumes_client.py
+++ b/tempest/services/volume/base/base_volumes_client.py
@@ -71,23 +71,15 @@
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def create_volume(self, size=None, **kwargs):
+    def create_volume(self, **kwargs):
         """Creates a new Volume.
 
-        size: Size of volume in GB.
-        Following optional keyword arguments are accepted:
-        display_name: Optional Volume Name(only for V1).
-        name: Optional Volume Name(only for V2).
-        metadata: A dictionary of values to be used as metadata.
-        volume_type: Optional Name of volume_type for the volume
-        snapshot_id: When specified the volume is created from this snapshot
-        imageRef: When specified the volume is created from this image
+        Available params: see http://developer.openstack.org/
+                              api-ref-blockstorage-v2.html#createVolume
         """
-        if size is None:
-            size = self.default_volume_size
-        post_body = {'size': size}
-        post_body.update(kwargs)
-        post_body = json.dumps({'volume': post_body})
+        if 'size' not in kwargs:
+            kwargs['size'] = self.default_volume_size
+        post_body = json.dumps({'volume': kwargs})
         resp, body = self.post('volumes', post_body)
         body = json.loads(body)
         self.expected_success(self.create_resp, resp.status)
@@ -107,35 +99,26 @@
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def upload_volume(self, volume_id, image_name, disk_format):
+    def upload_volume(self, volume_id, **kwargs):
         """Uploads a volume in Glance."""
-        post_body = {
-            'image_name': image_name,
-            'disk_format': disk_format
-        }
-        post_body = json.dumps({'os-volume_upload_image': post_body})
+        post_body = json.dumps({'os-volume_upload_image': kwargs})
         url = 'volumes/%s/action' % (volume_id)
         resp, body = self.post(url, post_body)
         body = json.loads(body)
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def attach_volume(self, volume_id, instance_uuid, mountpoint):
+    def attach_volume(self, volume_id, **kwargs):
         """Attaches a volume to a given instance on a given mountpoint."""
-        post_body = {
-            'instance_uuid': instance_uuid,
-            'mountpoint': mountpoint,
-        }
-        post_body = json.dumps({'os-attach': post_body})
+        post_body = json.dumps({'os-attach': kwargs})
         url = 'volumes/%s/action' % (volume_id)
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def set_bootable_volume(self, volume_id, bootable):
+    def set_bootable_volume(self, volume_id, **kwargs):
         """set a bootable flag for a volume - true or false."""
-        post_body = {"bootable": bootable}
-        post_body = json.dumps({'os-set_bootable': post_body})
+        post_body = json.dumps({'os-set_bootable': kwargs})
         url = 'volumes/%s/action' % (volume_id)
         resp, body = self.post(url, post_body)
         self.expected_success(200, resp.status)
@@ -143,8 +126,7 @@
 
     def detach_volume(self, volume_id):
         """Detaches a volume from an instance."""
-        post_body = {}
-        post_body = json.dumps({'os-detach': post_body})
+        post_body = json.dumps({'os-detach': {}})
         url = 'volumes/%s/action' % (volume_id)
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
@@ -152,8 +134,7 @@
 
     def reserve_volume(self, volume_id):
         """Reserves a volume."""
-        post_body = {}
-        post_body = json.dumps({'os-reserve': post_body})
+        post_body = json.dumps({'os-reserve': {}})
         url = 'volumes/%s/action' % (volume_id)
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
@@ -161,8 +142,7 @@
 
     def unreserve_volume(self, volume_id):
         """Restore a reserved volume ."""
-        post_body = {}
-        post_body = json.dumps({'os-unreserve': post_body})
+        post_body = json.dumps({'os-unreserve': {}})
         url = 'volumes/%s/action' % (volume_id)
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
@@ -184,20 +164,17 @@
         """Returns the primary type of resource this client works with."""
         return 'volume'
 
-    def extend_volume(self, volume_id, extend_size):
+    def extend_volume(self, volume_id, **kwargs):
         """Extend a volume."""
-        post_body = {
-            'new_size': extend_size
-        }
-        post_body = json.dumps({'os-extend': post_body})
+        post_body = json.dumps({'os-extend': kwargs})
         url = 'volumes/%s/action' % (volume_id)
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def reset_volume_status(self, volume_id, status):
+    def reset_volume_status(self, volume_id, **kwargs):
         """Reset the Specified Volume's Status."""
-        post_body = json.dumps({'os-reset_status': {"status": status}})
+        post_body = json.dumps({'os-reset_status': kwargs})
         resp, body = self.post('volumes/%s/action' % volume_id, post_body)
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
@@ -218,14 +195,9 @@
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def create_volume_transfer(self, vol_id, display_name=None):
+    def create_volume_transfer(self, **kwargs):
         """Create a volume transfer."""
-        post_body = {
-            'volume_id': vol_id
-        }
-        if display_name:
-            post_body['name'] = display_name
-        post_body = json.dumps({'transfer': post_body})
+        post_body = json.dumps({'transfer': kwargs})
         resp, body = self.post('os-volume-transfer', post_body)
         body = json.loads(body)
         self.expected_success(202, resp.status)
@@ -239,7 +211,7 @@
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def list_volume_transfers(self, params=None):
+    def list_volume_transfers(self, **params):
         """List all the volume transfers created."""
         url = 'os-volume-transfer'
         if params:
@@ -255,24 +227,18 @@
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def accept_volume_transfer(self, transfer_id, transfer_auth_key):
+    def accept_volume_transfer(self, transfer_id, **kwargs):
         """Accept a volume transfer."""
-        post_body = {
-            'auth_key': transfer_auth_key,
-        }
         url = 'os-volume-transfer/%s/accept' % transfer_id
-        post_body = json.dumps({'accept': post_body})
+        post_body = json.dumps({'accept': kwargs})
         resp, body = self.post(url, post_body)
         body = json.loads(body)
         self.expected_success(202, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def update_volume_readonly(self, volume_id, readonly):
+    def update_volume_readonly(self, volume_id, **kwargs):
         """Update the Specified Volume readonly."""
-        post_body = {
-            'readonly': readonly
-        }
-        post_body = json.dumps({'os-update_readonly_flag': post_body})
+        post_body = json.dumps({'os-update_readonly_flag': kwargs})
         url = 'volumes/%s/action' % (volume_id)
         resp, body = self.post(url, post_body)
         self.expected_success(202, resp.status)
@@ -327,10 +293,8 @@
         self.expected_success(200, resp.status)
         return service_client.ResponseBody(resp, body)
 
-    def retype_volume(self, volume_id, volume_type, **kwargs):
+    def retype_volume(self, volume_id, **kwargs):
         """Updates volume with new volume type."""
-        post_body = {'new_type': volume_type}
-        post_body.update(kwargs)
-        post_body = json.dumps({'os-retype': post_body})
+        post_body = json.dumps({'os-retype': kwargs})
         resp, body = self.post('volumes/%s/action' % volume_id, post_body)
         self.expected_success(202, resp.status)
diff --git a/tempest/stress/cleanup.py b/tempest/stress/cleanup.py
index 5c25e32..1c1fb46 100644
--- a/tempest/stress/cleanup.py
+++ b/tempest/stress/cleanup.py
@@ -69,11 +69,11 @@
         except Exception:
             pass
 
-    users = admin_manager.identity_client.list_users()['users']
+    users = admin_manager.users_client.list_users()['users']
     LOG.info("Cleanup::remove %s users" % len(users))
     for user in users:
         if user['name'].startswith("stress_user"):
-            admin_manager.identity_client.delete_user(user['id'])
+            admin_manager.users_client.delete_user(user['id'])
     tenants = admin_manager.tenants_client.list_tenants()['tenants']
     LOG.info("Cleanup::remove %s tenants" % len(tenants))
     for tenant in tenants:
@@ -84,7 +84,7 @@
     # volume deletion may block
 
     _, snaps = admin_manager.snapshots_client.list_snapshots(
-        params={"all_tenants": True})['snapshots']
+        all_tenants=True)['snapshots']
     LOG.info("Cleanup::remove %s snapshots" % len(snaps))
     for v in snaps:
         try:
diff --git a/tempest/stress/driver.py b/tempest/stress/driver.py
index 4dcaab7..6531059 100644
--- a/tempest/stress/driver.py
+++ b/tempest/stress/driver.py
@@ -106,7 +106,7 @@
         if process['process'].is_alive():
             try:
                 pid = process['process'].pid
-                LOG.warn("Process %d hangs. Send SIGKILL." % pid)
+                LOG.warning("Process %d hangs. Send SIGKILL." % pid)
                 os.kill(pid, signal.SIGKILL)
             except Exception:
                 pass
@@ -148,12 +148,15 @@
                     identity_client = admin_manager.identity_client
                     projects_client = admin_manager.tenants_client
                     roles_client = admin_manager.roles_client
+                    users_client = admin_manager.users_client
                 else:
                     identity_client = admin_manager.identity_v3_client
                     projects_client = None
                     roles_client = None
+                    users_client = None
                 credentials_client = cred_client.get_creds_client(
-                    identity_client, projects_client, roles_client)
+                    identity_client, projects_client, roles_client,
+                    users_client)
                 project = credentials_client.create_project(
                     name=tenant_name, description=tenant_name)
                 user = credentials_client.create_user(username, password,
diff --git a/tempest/test.py b/tempest/test.py
index 407df3b..dfed947 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -19,7 +19,6 @@
 import re
 import sys
 import time
-import urllib
 import uuid
 
 import fixtures
@@ -27,6 +26,7 @@
 from oslo_serialization import jsonutils as json
 from oslo_utils import importutils
 import six
+from six.moves import urllib
 from tempest_lib import decorators
 import testscenarios
 import testtools
@@ -226,6 +226,7 @@
     # Resources required to validate a server using ssh
     validation_resources = {}
     network_resources = {}
+    services_microversion = {}
 
     # NOTE(sdague): log_format is defined inline here instead of using the oslo
     # default because going through the config path recouples config to the
@@ -375,8 +376,8 @@
             cls.validation_resources = vresources.create_validation_resources(
                 cls.os, cls.validation_resources)
         else:
-            LOG.warn("Client manager not found, validation resources not"
-                     " created")
+            LOG.warning("Client manager not found, validation resources not"
+                        " created")
 
     @classmethod
     def resource_cleanup(cls):
@@ -391,8 +392,8 @@
                                                       cls.validation_resources)
                 cls.validation_resources = {}
             else:
-                LOG.warn("Client manager not found, validation resources not"
-                         " deleted")
+                LOG.warning("Client manager not found, validation resources "
+                            "not deleted")
 
     def setUp(self):
         super(BaseTestCase, self).setUp()
@@ -438,10 +439,12 @@
             client = self.os_admin.identity_client
             project_client = self.os_admin.tenants_client
             roles_client = self.os_admin.roles_client
+            users_client = self.os_admin.users_client
         else:
             client = self.os_admin.identity_v3_client
             project_client = None
             roles_client = None
+            users_client = None
 
         try:
             domain = client.auth_provider.credentials.project_domain_name
@@ -450,6 +453,7 @@
 
         return cred_client.get_creds_client(client, project_client,
                                             roles_client,
+                                            users_client,
                                             project_domain_name=domain)
 
     @classmethod
@@ -515,7 +519,8 @@
             else:
                 raise exceptions.InvalidCredentials(
                     "Invalid credentials type %s" % credential_type)
-        return clients.Manager(credentials=creds, service=cls._service)
+        return clients.Manager(credentials=creds, service=cls._service,
+                               api_microversions=cls.services_microversion)
 
     @classmethod
     def clear_credentials(cls):
@@ -602,7 +607,8 @@
                 credentials.is_admin_available(
                     identity_version=cls.get_identity_version())):
             admin_creds = cred_provider.get_admin_creds()
-            admin_manager = clients.Manager(admin_creds)
+            admin_manager = clients.Manager(
+                admin_creds, api_microversions=cls.services_microversion)
             networks_client = admin_manager.compute_networks_client
         return fixed_network.get_tenant_network(
             cred_provider, networks_client, CONF.compute.fixed_network_name)
@@ -770,7 +776,7 @@
         if not json_dict:
             return url, None
         elif method in ["GET", "HEAD", "PUT", "DELETE"]:
-            return "%s?%s" % (url, urllib.urlencode(json_dict)), None
+            return "%s?%s" % (url, urllib.parse.urlencode(json_dict)), None
         else:
             return url, json.dumps(json_dict)
 
diff --git a/tempest/tests/cmd/test_javelin.py b/tempest/tests/cmd/test_javelin.py
index 56bc96c..2fbb206 100644
--- a/tempest/tests/cmd/test_javelin.py
+++ b/tempest/tests/cmd/test_javelin.py
@@ -78,8 +78,8 @@
         mocked_function = self.fake_client.volumes.attach_volume
         mocked_function.assert_called_once_with(
             self.fake_object.volume['id'],
-            self.fake_object.server['id'],
-            self.fake_object['device'])
+            instance_uuid=self.fake_object.server['id'],
+            mountpoint=self.fake_object['device'])
 
 
 class TestCreateResources(JavelinUnitTest):
@@ -119,7 +119,7 @@
 
         fake_tenant_id = self.fake_object['tenant']['id']
         fake_email = "%s@%s" % (self.fake_object['user'], fake_tenant_id)
-        mocked_function = self.fake_client.identity.create_user
+        mocked_function = self.fake_client.users.create_user
         mocked_function.assert_called_once_with(self.fake_object['name'],
                                                 self.fake_object['password'],
                                                 fake_tenant_id,
@@ -135,7 +135,7 @@
 
         javelin.create_users([self.fake_object])
 
-        mocked_function = self.fake_client.identity.create_user
+        mocked_function = self.fake_client.users.create_user
         self.assertFalse(mocked_function.called)
 
     def test_create_objects(self):
@@ -310,7 +310,7 @@
         fake_auth = self.fake_client
         fake_auth.tenants.list_tenants.return_value = \
             {'tenants': [fake_tenant]}
-        fake_auth.identity.list_users.return_value = {'users': [fake_user]}
+        fake_auth.users.list_users.return_value = {'users': [fake_user]}
 
         self.useFixture(mockpatch.Patch(
                         'tempest.common.identity.get_user_by_username',
@@ -320,7 +320,7 @@
 
         javelin.destroy_users([fake_user])
 
-        mocked_function = fake_auth.identity.delete_user
+        mocked_function = fake_auth.users.delete_user
         mocked_function.assert_called_once_with(fake_user['id'])
 
     def test_destroy_objects(self):
diff --git a/tempest/tests/cmd/test_list_plugins.py b/tempest/tests/cmd/test_list_plugins.py
new file mode 100644
index 0000000..17ddb18
--- /dev/null
+++ b/tempest/tests/cmd/test_list_plugins.py
@@ -0,0 +1,24 @@
+# Copyright 2015 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import subprocess
+
+from tempest.tests import base
+
+
+class TestTempestListPlugins(base.TestCase):
+    def test_run_list_plugins(self):
+        return_code = subprocess.call(
+            ['tempest', 'list-plugins'], stdout=subprocess.PIPE)
+        self.assertEqual(return_code, 0)
diff --git a/tempest/tests/common/test_api_version_utils.py b/tempest/tests/common/test_api_version_utils.py
index 33024b6..9f399a2 100644
--- a/tempest/tests/common/test_api_version_utils.py
+++ b/tempest/tests/common/test_api_version_utils.py
@@ -192,3 +192,30 @@
     def test_cfg_version_min_greater_than_max(self):
         self.assertRaises(exceptions.InvalidConfiguration,
                           self._test_version, '2.2', '2.7', '2.9', '2.7')
+
+
+class TestSelectRequestMicroversion(base.TestCase):
+
+    def _test_request_version(self, test_min_version,
+                              cfg_min_version, expected_version):
+        selected_version = api_version_utils.select_request_microversion(
+            test_min_version, cfg_min_version)
+        self.assertEqual(expected_version, selected_version)
+
+    def test_cfg_min_version_greater(self):
+        self._test_request_version('2.1', '2.3', expected_version='2.3')
+
+    def test_class_min_version_greater(self):
+        self._test_request_version('2.5', '2.3', expected_version='2.5')
+
+    def test_cfg_min_version_none(self):
+        self._test_request_version('2.5', None, expected_version='2.5')
+
+    def test_class_min_version_none(self):
+        self._test_request_version(None, '2.3', expected_version='2.3')
+
+    def test_both_min_version_none(self):
+        self._test_request_version(None, None, expected_version=None)
+
+    def test_both_min_version_equal(self):
+        self._test_request_version('2.3', '2.3', expected_version='2.3')
diff --git a/tempest/tests/common/test_dynamic_creds.py b/tempest/tests/common/test_dynamic_creds.py
index a55e556..5cb204f 100644
--- a/tempest/tests/common/test_dynamic_creds.py
+++ b/tempest/tests/common/test_dynamic_creds.py
@@ -28,6 +28,8 @@
     json_roles_client
 from tempest.services.identity.v2.json import tenants_client as \
     json_tenants_client
+from tempest.services.identity.v2.json import users_client as \
+    json_users_client
 from tempest.services.network.json import network_client as json_network_client
 from tempest.tests import base
 from tempest.tests import fake_config
@@ -70,7 +72,7 @@
 
     def _mock_user_create(self, id, name):
         user_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClient,
+            json_users_client.UsersClient,
             'create_user',
             return_value=(service_client.ResponseBody
                           (200, {'user': {'id': id, 'name': name}}))))
@@ -125,7 +127,7 @@
 
     def _mock_list_ec2_credentials(self, user_id, tenant_id):
         ec2_creds_fix = self.useFixture(mockpatch.PatchObject(
-            json_iden_client.IdentityClient,
+            json_users_client.UsersClient,
             'list_user_ec2_credentials',
             return_value=(service_client.ResponseBody
                           (200, {'credentials': [{
@@ -241,8 +243,8 @@
         self._mock_list_roles('123456', 'admin')
         creds.get_admin_creds()
         user_mock = self.patch(
-            'tempest.services.identity.v2.json.identity_client.'
-            'IdentityClient.delete_user')
+            'tempest.services.identity.v2.json.users_client.'
+            'UsersClient.delete_user')
         tenant_mock = self.patch(
             'tempest.services.identity.v2.json.tenants_client.'
             'TenantsClient.delete_tenant')
@@ -373,8 +375,8 @@
         self._mock_router_create('123456', 'fake_admin_router')
         self._mock_list_roles('123456', 'admin')
         creds.get_admin_creds()
-        self.patch('tempest.services.identity.v2.json.identity_client.'
-                   'IdentityClient.delete_user')
+        self.patch('tempest.services.identity.v2.json.users_client.'
+                   'UsersClient.delete_user')
         self.patch('tempest.services.identity.v2.json.tenants_client.'
                    'TenantsClient.delete_tenant')
         net = mock.patch.object(creds.networks_admin_client,
diff --git a/tempest/tests/fake_config.py b/tempest/tests/fake_config.py
index ca8bc3e..c45f6da 100644
--- a/tempest/tests/fake_config.py
+++ b/tempest/tests/fake_config.py
@@ -24,6 +24,7 @@
 class ConfigFixture(conf_fixture.Config):
 
     def __init__(self):
+        cfg.CONF([], default_config_files=[])
         config.register_opts()
         super(ConfigFixture, self).__init__()
 
@@ -59,6 +60,5 @@
 
 class FakePrivate(config.TempestConfigPrivate):
     def __init__(self, parse_conf=True, config_path=None):
-        cfg.CONF([], default_config_files=[])
         self._set_attrs()
-        self.lock_path = cfg.CONF.lock_path
+        self.lock_path = cfg.CONF.oslo_concurrency.lock_path
diff --git a/tempest/tests/services/compute/test_base_compute_client.py b/tempest/tests/services/compute/test_base_compute_client.py
index 13461e4..134fe39 100644
--- a/tempest/tests/services/compute/test_base_compute_client.py
+++ b/tempest/tests/services/compute/test_base_compute_client.py
@@ -16,6 +16,7 @@
 import mock
 from tempest_lib.common import rest_client
 
+from tempest import exceptions
 from tempest.services.compute.json import base as base_compute_client
 from tempest.tests import fake_auth_provider
 from tempest.tests.services.compute import base
@@ -70,3 +71,82 @@
                                'raw_request') as mock_get:
             mock_get.side_effect = raw_request
             self.client.get('fake_url')
+
+
+class DummyServiceClient1(base_compute_client.BaseComputeClient):
+    schema_versions_info = [
+        {'min': None, 'max': '2.1', 'schema': 'schemav21'},
+        {'min': '2.2', 'max': '2.9', 'schema': 'schemav22'},
+        {'min': '2.10', 'max': None, 'schema': 'schemav210'}]
+
+    def return_selected_schema(self):
+        return self.get_schema(self.schema_versions_info)
+
+
+class TestSchemaVersionsNone(base.BaseComputeServiceTest):
+    api_microversion = None
+    expected_schema = 'schemav21'
+
+    def setUp(self):
+        super(TestSchemaVersionsNone, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = DummyServiceClient1(fake_auth, 'compute', 'regionOne')
+        self.client.api_microversion = self.api_microversion
+
+    def test_schema(self):
+        self.assertEqual(self.expected_schema,
+                         self.client.return_selected_schema())
+
+
+class TestSchemaVersionsV21(TestSchemaVersionsNone):
+    api_microversion = '2.1'
+    expected_schema = 'schemav21'
+
+
+class TestSchemaVersionsV22(TestSchemaVersionsNone):
+    api_microversion = '2.2'
+    expected_schema = 'schemav22'
+
+
+class TestSchemaVersionsV25(TestSchemaVersionsNone):
+    api_microversion = '2.5'
+    expected_schema = 'schemav22'
+
+
+class TestSchemaVersionsV29(TestSchemaVersionsNone):
+    api_microversion = '2.9'
+    expected_schema = 'schemav22'
+
+
+class TestSchemaVersionsV210(TestSchemaVersionsNone):
+    api_microversion = '2.10'
+    expected_schema = 'schemav210'
+
+
+class TestSchemaVersionsLatest(TestSchemaVersionsNone):
+    api_microversion = 'latest'
+    expected_schema = 'schemav210'
+
+
+class DummyServiceClient2(base_compute_client.BaseComputeClient):
+    schema_versions_info = [
+        {'min': None, 'max': '2.1', 'schema': 'schemav21'},
+        {'min': '2.2', 'max': '2.9', 'schema': 'schemav22'}]
+
+    def return_selected_schema(self):
+        return self.get_schema(self.schema_versions_info)
+
+
+class TestSchemaVersionsNotFound(base.BaseComputeServiceTest):
+    api_microversion = '2.10'
+    expected_schema = 'schemav210'
+
+    def setUp(self):
+        super(TestSchemaVersionsNotFound, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = DummyServiceClient2(fake_auth, 'compute', 'regionOne')
+        self.client.api_microversion = self.api_microversion
+
+    def test_schema(self):
+        self.assertRaises(exceptions.JSONSchemaNotFound,
+                          self.client.return_selected_schema)
diff --git a/tempest/tests/services/compute/test_keypairs_client.py b/tempest/tests/services/compute/test_keypairs_client.py
index 8b1a9a8..03aee53 100644
--- a/tempest/tests/services/compute/test_keypairs_client.py
+++ b/tempest/tests/services/compute/test_keypairs_client.py
@@ -38,7 +38,7 @@
     def _test_list_keypairs(self, bytes_body=False):
         self.check_service_client_function(
             self.client.list_keypairs,
-            'tempest.common.service_client.ServiceClient.get',
+            'tempest_lib.common.rest_client.RestClient.get',
             {"keypairs": []},
             bytes_body)
 
@@ -60,7 +60,7 @@
 
         self.check_service_client_function(
             self.client.show_keypair,
-            'tempest.common.service_client.ServiceClient.get',
+            'tempest_lib.common.rest_client.RestClient.get',
             fake_keypair,
             bytes_body,
             keypair_name="test")
@@ -77,7 +77,7 @@
 
         self.check_service_client_function(
             self.client.create_keypair,
-            'tempest.common.service_client.ServiceClient.post',
+            'tempest_lib.common.rest_client.RestClient.post',
             fake_keypair,
             bytes_body,
             name="test")
@@ -91,5 +91,5 @@
     def test_delete_keypair(self):
         self.check_service_client_function(
             self.client.delete_keypair,
-            'tempest.common.service_client.ServiceClient.delete',
+            'tempest_lib.common.rest_client.RestClient.delete',
             {}, status=202, keypair_name='test')
diff --git a/tempest/tests/test_decorators.py b/tempest/tests/test_decorators.py
index ce3eb7e..98b045a 100644
--- a/tempest/tests/test_decorators.py
+++ b/tempest/tests/test_decorators.py
@@ -140,7 +140,7 @@
                 self.fail('%s is not listed in the valid service tag list'
                           % service)
             except KeyError:
-                # NOTE(mtreinish): This condition is to test for a entry in
+                # NOTE(mtreinish): This condition is to test for an entry in
                 # the outer decorator list but not in the service_list dict.
                 # However, because we're looping over the service_list dict
                 # it's unlikely we'll trigger this. So manual review is still