diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index b6e00ce..b434fdc 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -115,6 +115,8 @@
  #. Provide tempest with the location of you accounts.yaml file with the
     test_accounts_file option in the auth section
 
+ #. Set allow_tenant_isolation = 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
 to the tests using the credentials, and failure to do this will likely cause
@@ -140,6 +142,11 @@
  #. alt_password
  #. alt_tenant_name
 
+And in the auth secion:
+
+ #. allow_tenant_isolation = False
+ #. comment out 'test_accounts_file' or keep it as 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
diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index ccb64f5..3f9e70e 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -240,9 +240,6 @@
 # value)
 #build_timeout = 300
 
-# Should the tests ssh to instances? (boolean value)
-#run_ssh = false
-
 # Auth method used for authenticate to the instance. Valid choices
 # are: keypair, configured, adminpass and disabled. Keypair: start the
 # servers with a ssh keypair. Configured: use the configured user and
@@ -289,7 +286,7 @@
 #fixed_network_name = <None>
 
 # Network used for SSH connections. Ignored if
-# use_floatingip_for_ssh=true or run_ssh=false. (string value)
+# use_floatingip_for_ssh=true or run_validation=false. (string value)
 #network_for_ssh = public
 
 # IP version used for SSH connections. (integer value)
@@ -1071,6 +1068,11 @@
 # From tempest.config
 #
 
+# Enable ssh on created servers and creation of additional validation
+# resources to enable remote access (boolean value)
+# Deprecated group/name - [compute]/run_ssh
+#run_validation = false
+
 # Default IP type used for validation: -fixed: uses the first IP
 # belonging to the fixed network -floating: creates and uses a
 # floating IP (string value)
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index 26d6661..c4581e5 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -52,7 +52,6 @@
     def setup_credentials(cls):
         cls.set_network_resources()
         super(BaseComputeTest, cls).setup_credentials()
-        cls.multi_user = cls.check_multi_user()
 
     @classmethod
     def setup_clients(cls):
@@ -112,14 +111,6 @@
         super(BaseComputeTest, cls).resource_cleanup()
 
     @classmethod
-    def check_multi_user(cls):
-        # We have a list of accounts now, so just checking if the list is gt 2
-        if not cls.isolated_creds.is_multi_user():
-            msg = "Not enough users available for multi-user testing"
-            raise exceptions.InvalidConfiguration(msg)
-        return True
-
-    @classmethod
     def clear_servers(cls):
         LOG.debug('Clearing servers: %s', ','.join(
             server['id'] for server in cls.servers))
diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
index 3b9e4b5..9012d3d 100644
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -95,7 +95,7 @@
         self.assertTrue(found)
 
     @test.idempotent_id('cbc0f52f-05aa-492b-bdc1-84b575ca294b')
-    @testtools.skipUnless(CONF.compute.run_ssh,
+    @testtools.skipUnless(CONF.validation.run_validation,
                           'Instance validation tests are disabled.')
     def test_verify_created_server_vcpus(self):
         # Verify that the number of vcpus reported by the instance matches
@@ -106,7 +106,7 @@
         self.assertEqual(flavor['vcpus'], linux_client.get_number_of_vcpus())
 
     @test.idempotent_id('ac1ad47f-984b-4441-9274-c9079b7a0666')
-    @testtools.skipUnless(CONF.compute.run_ssh,
+    @testtools.skipUnless(CONF.validation.run_validation,
                           'Instance validation tests are disabled.')
     def test_host_name_is_same_as_server_name(self):
         # Verify the instance host name is the same as the server name
@@ -206,7 +206,7 @@
         cls.client = cls.servers_client
 
     @test.idempotent_id('b3c7bcfc-bb5b-4e22-b517-c7f686b802ca')
-    @testtools.skipUnless(CONF.compute.run_ssh,
+    @testtools.skipUnless(CONF.validation.run_validation,
                           'Instance validation tests are disabled.')
     def test_verify_created_server_ephemeral_disk(self):
         # Verify that the ephemeral disk is created when creating server
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index dbfdbdb..c4cabaa 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -33,7 +33,7 @@
 
 
 class ServerActionsTestJSON(base.BaseV2ComputeTest):
-    run_ssh = CONF.compute.run_ssh
+    run_ssh = CONF.validation.run_validation
 
     def setUp(self):
         # NOTE(afazekas): Normally we use the same server with all test cases,
diff --git a/tempest/api/compute/test_authorization.py b/tempest/api/compute/test_authorization.py
index 258ff1f..9f007bf 100644
--- a/tempest/api/compute/test_authorization.py
+++ b/tempest/api/compute/test_authorization.py
@@ -92,9 +92,11 @@
 
     @classmethod
     def resource_cleanup(cls):
-        if cls.multi_user:
+        if hasattr(cls, 'image'):
             cls.images_client.delete_image(cls.image['id'])
+        if hasattr(cls, 'keypairname'):
             cls.keypairs_client.delete_keypair(cls.keypairname)
+        if hasattr(cls, 'security_group'):
             cls.security_client.delete_security_group(cls.security_group['id'])
         super(AuthorizationTestJSON, cls).resource_cleanup()
 
diff --git a/tempest/api/compute/volumes/test_attach_volume.py b/tempest/api/compute/volumes/test_attach_volume.py
index 7f345ae..580fb84 100644
--- a/tempest/api/compute/volumes/test_attach_volume.py
+++ b/tempest/api/compute/volumes/test_attach_volume.py
@@ -85,7 +85,8 @@
         self.addCleanup(self._detach, self.server['id'], self.volume['id'])
 
     @test.idempotent_id('52e9045a-e90d-4c0d-9087-79d657faffff')
-    @testtools.skipUnless(CONF.compute.run_ssh, 'SSH required for this test')
+    @testtools.skipUnless(CONF.validation.run_validation,
+                          'SSH required for this test')
     def test_attach_detach_volume(self):
         # Stop and Start a server with an attached volume, ensuring that
         # the volume remains attached.
diff --git a/tempest/api/messaging/base.py b/tempest/api/messaging/base.py
index 2ddc3fc..34ac860 100644
--- a/tempest/api/messaging/base.py
+++ b/tempest/api/messaging/base.py
@@ -116,20 +116,6 @@
         return resp, body
 
     @classmethod
-    def get_single_message(cls, message_uri):
-        """Wrapper utility that gets a single message."""
-        resp, body = cls.client.show_single_message(message_uri)
-
-        return resp, body
-
-    @classmethod
-    def get_multiple_messages(cls, message_uri):
-        """Wrapper utility that gets multiple messages."""
-        resp, body = cls.client.show_multiple_messages(message_uri)
-
-        return resp, body
-
-    @classmethod
     def delete_messages(cls, message_uri):
         """Wrapper utility that deletes messages."""
         resp, body = cls.client.delete_messages(message_uri)
diff --git a/tempest/api/object_storage/base.py b/tempest/api/object_storage/base.py
index 8bc9b12..0c7fa6b 100644
--- a/tempest/api/object_storage/base.py
+++ b/tempest/api/object_storage/base.py
@@ -15,8 +15,6 @@
 
 from tempest_lib import exceptions as lib_exc
 
-from tempest import clients
-from tempest.common import credentials
 from tempest.common import custom_matchers
 from tempest import config
 import tempest.test
@@ -38,19 +36,7 @@
         cls.set_network_resources()
         super(BaseObjectTest, cls).setup_credentials()
         operator_role = CONF.object_storage.operator_role
-        # There are no credentials by type used by object storage tests so
-        # isolated_creds must still be initialized
-        cls.isolated_creds = credentials.get_isolated_credentials(
-            cls.__name__, network_resources=cls.network_resources)
-        if not cls.isolated_creds.is_role_available(operator_role):
-            skip_msg = ("%s skipped because the configured credential provider"
-                        " is not able to provide credentials with the %s role "
-                        "assigned." % (cls.__name__, operator_role))
-            raise cls.skipException(skip_msg)
-        else:
-            # Get isolated creds for normal user
-            cls.os = clients.Manager(cls.isolated_creds.get_creds_by_roles(
-                [operator_role]))
+        cls.os = cls.get_client_manager(roles=[operator_role])
 
     @classmethod
     def setup_clients(cls):
diff --git a/tempest/api/object_storage/test_account_quotas.py b/tempest/api/object_storage/test_account_quotas.py
index 364d6e1..04bfee4 100644
--- a/tempest/api/object_storage/test_account_quotas.py
+++ b/tempest/api/object_storage/test_account_quotas.py
@@ -15,7 +15,6 @@
 from tempest_lib.common.utils import data_utils
 
 from tempest.api.object_storage import base
-from tempest import clients
 from tempest import config
 from tempest import test
 
@@ -28,15 +27,8 @@
     def setup_credentials(cls):
         super(AccountQuotasTest, cls).setup_credentials()
         reseller_admin_role = CONF.object_storage.reseller_admin_role
-        if not cls.isolated_creds.is_role_available(reseller_admin_role):
-            skip_msg = ("%s skipped because the configured credential provider"
-                        " is not able to provide credentials with the %s role "
-                        "assigned." % (cls.__name__, reseller_admin_role))
-            raise cls.skipException(skip_msg)
-        else:
-            cls.os_reselleradmin = clients.Manager(
-                cls.isolated_creds.get_creds_by_roles(
-                    roles=[reseller_admin_role]))
+        cls.os_reselleradmin = cls.get_client_manager(
+            roles=[reseller_admin_role])
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/object_storage/test_account_quotas_negative.py b/tempest/api/object_storage/test_account_quotas_negative.py
index b32943c..a11b407 100644
--- a/tempest/api/object_storage/test_account_quotas_negative.py
+++ b/tempest/api/object_storage/test_account_quotas_negative.py
@@ -17,7 +17,6 @@
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
-from tempest import clients
 from tempest import config
 from tempest import test
 
@@ -30,15 +29,8 @@
     def setup_credentials(cls):
         super(AccountQuotasNegativeTest, cls).setup_credentials()
         reseller_admin_role = CONF.object_storage.reseller_admin_role
-        if not cls.isolated_creds.is_role_available(reseller_admin_role):
-            skip_msg = ("%s skipped because the configured credential provider"
-                        " is not able to provide credentials with the %s role "
-                        "assigned." % (cls.__name__, reseller_admin_role))
-            raise cls.skipException(skip_msg)
-        else:
-            cls.os_reselleradmin = clients.Manager(
-                cls.isolated_creds.get_creds_by_roles(
-                    roles=[reseller_admin_role]))
+        cls.os_reselleradmin = cls.get_client_manager(
+            roles=[reseller_admin_role])
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/object_storage/test_account_services.py b/tempest/api/object_storage/test_account_services.py
index 918bd5a..c28a3e0 100644
--- a/tempest/api/object_storage/test_account_services.py
+++ b/tempest/api/object_storage/test_account_services.py
@@ -20,7 +20,6 @@
 import testtools
 
 from tempest.api.object_storage import base
-from tempest import clients
 from tempest.common import custom_matchers
 from tempest import config
 from tempest import test
@@ -35,9 +34,8 @@
     @classmethod
     def setup_credentials(cls):
         super(AccountTest, cls).setup_credentials()
-        cls.os_operator = clients.Manager(
-            cls.isolated_creds.get_creds_by_roles(
-                roles=[CONF.object_storage.operator_role], force_new=True))
+        cls.os_operator = cls.get_client_manager(
+            roles=[CONF.object_storage.operator_role], force_new=True)
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/object_storage/test_account_services_negative.py b/tempest/api/object_storage/test_account_services_negative.py
index feccf18..dfc5dfa 100644
--- a/tempest/api/object_storage/test_account_services_negative.py
+++ b/tempest/api/object_storage/test_account_services_negative.py
@@ -15,7 +15,6 @@
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
-from tempest import clients
 from tempest import config
 from tempest import test
 
@@ -27,9 +26,8 @@
     @classmethod
     def setup_credentials(cls):
         super(AccountNegativeTest, cls).setup_credentials()
-        cls.os_operator = clients.Manager(
-            cls.isolated_creds.get_creds_by_roles(
-                roles=[CONF.object_storage.operator_role], force_new=True))
+        cls.os_operator = cls.get_client_manager(
+            roles=[CONF.object_storage.operator_role], force_new=True)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('070e6aca-6152-4867-868d-1118d68fb38c')
diff --git a/tempest/api/object_storage/test_container_acl.py b/tempest/api/object_storage/test_container_acl.py
index 1003f82..25dac6b 100644
--- a/tempest/api/object_storage/test_container_acl.py
+++ b/tempest/api/object_storage/test_container_acl.py
@@ -16,7 +16,6 @@
 from tempest_lib.common.utils import data_utils
 
 from tempest.api.object_storage import base
-from tempest import clients
 from tempest import config
 from tempest import test
 
@@ -28,9 +27,8 @@
     @classmethod
     def setup_credentials(cls):
         super(ObjectTestACLs, cls).setup_credentials()
-        cls.os_operator = clients.Manager(
-            cls.isolated_creds.get_creds_by_roles(
-                roles=[CONF.object_storage.operator_role], force_new=True))
+        cls.os_operator = cls.get_client_manager(
+            roles=[CONF.object_storage.operator_role], force_new=True)
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/object_storage/test_container_acl_negative.py b/tempest/api/object_storage/test_container_acl_negative.py
index 2c6d3cc..31c301a 100644
--- a/tempest/api/object_storage/test_container_acl_negative.py
+++ b/tempest/api/object_storage/test_container_acl_negative.py
@@ -16,7 +16,6 @@
 from tempest_lib import exceptions as lib_exc
 
 from tempest.api.object_storage import base
-from tempest import clients
 from tempest import config
 from tempest import test
 
@@ -28,9 +27,8 @@
     @classmethod
     def setup_credentials(cls):
         super(ObjectACLsNegativeTest, cls).setup_credentials()
-        cls.os_operator = clients.Manager(
-            cls.isolated_creds.get_creds_by_roles(
-                roles=[CONF.object_storage.operator_role], force_new=True))
+        cls.os_operator = cls.get_client_manager(
+            roles=[CONF.object_storage.operator_role], force_new=True)
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/object_storage/test_container_sync.py b/tempest/api/object_storage/test_container_sync.py
index 53bcfa6..4c0723d 100644
--- a/tempest/api/object_storage/test_container_sync.py
+++ b/tempest/api/object_storage/test_container_sync.py
@@ -22,7 +22,6 @@
 
 
 from tempest.api.object_storage import base
-from tempest import clients
 from tempest import config
 from tempest import test
 
@@ -41,8 +40,8 @@
     @classmethod
     def setup_credentials(cls):
         super(ContainerSyncTest, cls).setup_credentials()
-        cls.os_alt = clients.Manager(cls.isolated_creds.get_creds_by_roles(
-            [CONF.object_storage.operator_role], force_new=True))
+        cls.os_alt = cls.get_client_manager(
+            roles=[CONF.object_storage.operator_role], force_new=True)
 
     @classmethod
     def setup_clients(cls):
diff --git a/tempest/api/object_storage/test_object_services.py b/tempest/api/object_storage/test_object_services.py
index 8075e91..b02f178 100644
--- a/tempest/api/object_storage/test_object_services.py
+++ b/tempest/api/object_storage/test_object_services.py
@@ -24,7 +24,6 @@
 from tempest_lib.common.utils import data_utils
 
 from tempest.api.object_storage import base
-from tempest import clients
 from tempest.common import custom_matchers
 from tempest import config
 from tempest import test
@@ -993,9 +992,8 @@
     @classmethod
     def setup_credentials(cls):
         super(PublicObjectTest, cls).setup_credentials()
-        cls.os_alt = clients.Manager(
-            cls.isolated_creds.get_creds_by_roles(
-                roles=[CONF.object_storage.operator_role], force_new=True))
+        cls.os_alt = cls.get_client_manager(
+            roles=[CONF.object_storage.operator_role], force_new=True)
 
     @classmethod
     def setup_clients(cls):
diff --git a/tempest/api/orchestration/base.py b/tempest/api/orchestration/base.py
index 35f51b9..af97794 100644
--- a/tempest/api/orchestration/base.py
+++ b/tempest/api/orchestration/base.py
@@ -17,7 +17,6 @@
 from tempest_lib import exceptions as lib_exc
 import yaml
 
-from tempest import clients
 from tempest import config
 import tempest.test
 
@@ -41,14 +40,7 @@
     def setup_credentials(cls):
         super(BaseOrchestrationTest, cls).setup_credentials()
         stack_owner_role = CONF.orchestration.stack_owner_role
-        if not cls.isolated_creds.is_role_available(stack_owner_role):
-            skip_msg = ("%s skipped because the configured credential provider"
-                        " is not able to provide credentials with the %s role "
-                        "assigned." % (cls.__name__, stack_owner_role))
-            raise cls.skipException(skip_msg)
-        else:
-            cls.os = clients.Manager(cls.isolated_creds.get_creds_by_roles(
-                [stack_owner_role]))
+        cls.os = cls.get_client_manager(roles=[stack_owner_role])
 
     @classmethod
     def setup_clients(cls):
diff --git a/tempest/clients.py b/tempest/clients.py
index a0c9471..9f6a9bb 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -22,6 +22,7 @@
 from tempest.common import cred_provider
 from tempest.common import negative_rest_client
 from tempest import config
+from tempest import exceptions
 from tempest import manager
 from tempest.services.baremetal.v1.json.baremetal_client import \
     BaremetalClientJSON
@@ -343,11 +344,22 @@
         self.credentials_client = CredentialsClientJSON(self.auth_provider,
                                                         **params)
         # Token clients do not use the catalog. They only need default_params.
-        self.token_client = TokenClientJSON(CONF.identity.uri,
-                                            **self.default_params)
+        # They read auth_url, so they should only be set if the corresponding
+        # API version is marked as enabled
+        if CONF.identity_feature_enabled.api_v2:
+            if CONF.identity.uri:
+                self.token_client = TokenClientJSON(
+                    CONF.identity.uri, **self.default_params)
+            else:
+                msg = 'Identity v2 API enabled, but no identity.uri set'
+                raise exceptions.InvalidConfiguration(msg)
         if CONF.identity_feature_enabled.api_v3:
-            self.token_v3_client = V3TokenClientJSON(CONF.identity.uri_v3,
-                                                     **self.default_params)
+            if CONF.identity.uri_v3:
+                self.token_v3_client = V3TokenClientJSON(
+                    CONF.identity.uri_v3, **self.default_params)
+            else:
+                msg = 'Identity v3 API enabled, but no identity.uri_v3 set'
+                raise exceptions.InvalidConfiguration(msg)
 
     def _set_volume_clients(self):
         params = {
diff --git a/tempest/cmd/cleanup_service.py b/tempest/cmd/cleanup_service.py
index 1ad12eb..eb6f143 100644
--- a/tempest/cmd/cleanup_service.py
+++ b/tempest/cmd/cleanup_service.py
@@ -343,6 +343,44 @@
         self.data['volumes'] = vols
 
 
+class VolumeQuotaService(BaseService):
+    def __init__(self, manager, **kwargs):
+        super(VolumeQuotaService, self).__init__(kwargs)
+        self.client = manager.volume_quotas_client
+
+    def delete(self):
+        client = self.client
+        try:
+            client.delete_quota_set(self.tenant_id)
+        except Exception as e:
+            LOG.exception("Delete Volume Quotas exception: %s" % e)
+            pass
+
+    def dry_run(self):
+        quotas = self.client.show_quota_usage(self.tenant_id)
+        self.data['volume_quotas'] = quotas
+
+
+class NovaQuotaService(BaseService):
+    def __init__(self, manager, **kwargs):
+        super(NovaQuotaService, self).__init__(kwargs)
+        self.client = manager.quotas_client
+        self.limits_client = manager.limits_client
+
+    def delete(self):
+        client = self.client
+        try:
+            client.delete_quota_set(self.tenant_id)
+        except Exception as e:
+            LOG.exception("Delete Quotas exception: %s" % e)
+            pass
+
+    def dry_run(self):
+        client = self.limits_client
+        quotas = client.get_absolute_limits()
+        self.data['compute_quotas'] = quotas
+
+
 # Begin network service classes
 class NetworkService(BaseService):
     def __init__(self, manager, **kwargs):
@@ -667,7 +705,7 @@
         self.data['pools'] = pools
 
 
-class NetworMeteringLabelRuleService(NetworkService):
+class NetworkMeteringLabelRuleService(NetworkService):
 
     def list(self):
         client = self.client
@@ -692,7 +730,7 @@
         self.data['rules'] = rules
 
 
-class NetworMeteringLabelService(NetworkService):
+class NetworkMeteringLabelService(NetworkService):
 
     def list(self):
         client = self.client
@@ -1052,6 +1090,7 @@
         tenant_services.append(ServerGroupService)
         if not IS_NEUTRON:
             tenant_services.append(FloatingIpService)
+        tenant_services.append(NovaQuotaService)
     if IS_HEAT:
         tenant_services.append(StackService)
     if IS_NEUTRON:
@@ -1068,8 +1107,8 @@
             tenant_services.append(NetworkVipService)
             tenant_services.append(NetworkPoolService)
         if test.is_extension_enabled('metering', 'network'):
-            tenant_services.append(NetworMeteringLabelRuleService)
-            tenant_services.append(NetworMeteringLabelService)
+            tenant_services.append(NetworkMeteringLabelRuleService)
+            tenant_services.append(NetworkMeteringLabelService)
         tenant_services.append(NetworkRouterService)
         tenant_services.append(NetworkFloatingIpService)
         tenant_services.append(NetworkPortService)
@@ -1078,6 +1117,7 @@
     if IS_CINDER:
         tenant_services.append(SnapshotService)
         tenant_services.append(VolumeService)
+        tenant_services.append(VolumeQuotaService)
     return tenant_services
 
 
diff --git a/tempest/config.py b/tempest/config.py
index a711b33..3f3e7e7 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -195,9 +195,6 @@
                help="Timeout in seconds to wait for an instance to build. "
                     "Other services that do not define build_timeout will "
                     "inherit this value."),
-    cfg.BoolOpt('run_ssh',
-                default=False,
-                help="Should the tests ssh to instances?"),
     cfg.StrOpt('ssh_auth_method',
                default='keypair',
                help="Auth method used for authenticate to the instance. "
@@ -249,7 +246,7 @@
     cfg.StrOpt('network_for_ssh',
                default='public',
                help="Network used for SSH connections. Ignored if "
-                    "use_floatingip_for_ssh=true or run_ssh=false."),
+                    "use_floatingip_for_ssh=true or run_validation=false."),
     cfg.IntOpt('ip_version_for_ssh',
                default=4,
                help="IP version used for SSH connections."),
@@ -558,6 +555,12 @@
                                 title='SSH Validation options')
 
 ValidationGroup = [
+    cfg.BoolOpt('run_validation',
+                default=False,
+                help='Enable ssh on created servers and creation of additional'
+                     ' validation resources to enable remote access',
+                deprecated_opts=[cfg.DeprecatedOpt('run_ssh',
+                                                   group='compute')]),
     cfg.StrOpt('connect_method',
                default='floating',
                choices=['fixed', 'floating'],
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 7e0c3b3..50aa261 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -22,7 +22,6 @@
 from tempest_lib.common.utils import data_utils
 from tempest_lib import exceptions as lib_exc
 
-from tempest import clients
 from tempest.common import fixed_network
 from tempest.common.utils.linux import remote_client
 from tempest import config
@@ -1341,15 +1340,7 @@
         cls.set_network_resources()
         super(SwiftScenarioTest, cls).setup_credentials()
         operator_role = CONF.object_storage.operator_role
-        if not cls.isolated_creds.is_role_available(operator_role):
-            skip_msg = ("%s skipped because the configured credential provider"
-                        " is not able to provide credentials with the %s role "
-                        "assigned." % (cls.__name__, operator_role))
-            raise cls.skipException(skip_msg)
-        else:
-            cls.os_operator = clients.Manager(
-                cls.isolated_creds.get_creds_by_roles(
-                    [operator_role]))
+        cls.os_operator = cls.get_client_manager(roles=[operator_role])
 
     @classmethod
     def setup_clients(cls):
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index a73ae1c..8ec10c7 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -440,7 +440,7 @@
     @test.idempotent_id('e79f879e-debb-440c-a7e4-efeda05b6848')
     @test.services('compute', 'network')
     def test_cross_tenant_traffic(self):
-        if not self.isolated_creds.is_multi_tenant():
+        if not self.credentials_provider.is_multi_tenant():
             raise self.skipException("No secondary tenant defined")
         try:
             # deploy new tenant
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index f44fd5e..b795775 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -56,7 +56,7 @@
                     image=self.image_ref, flavor=self.flavor_ref
                 )
             )
-        self.run_ssh = CONF.compute.run_ssh and \
+        self.run_ssh = CONF.validation.run_validation and \
             self.image_utils.is_sshable_image(self.image_ref)
         self.ssh_user = self.image_utils.ssh_user(self.image_ref)
         LOG.debug('Starting test for i:{image}, f:{flavor}. '
diff --git a/tempest/scenario/utils.py b/tempest/scenario/utils.py
index 60eb1c3..e5613d6 100644
--- a/tempest/scenario/utils.py
+++ b/tempest/scenario/utils.py
@@ -41,9 +41,16 @@
         self.non_ssh_image_pattern = \
             CONF.input_scenario.non_ssh_image_regex
         # Setup clients
+        network_resources = {
+            'network': False,
+            'router': False,
+            'subnet': False,
+            'dhcp': False,
+        }
         self.isolated_creds = credentials.get_isolated_credentials(
             name='ScenarioImageUtils',
-            identity_version=CONF.identity.auth_version)
+            identity_version=CONF.identity.auth_version,
+            network_resources=network_resources)
         os = clients.Manager(self.isolated_creds.get_primary_creds())
         self.images_client = os.images_client
         self.flavors_client = os.flavors_client
@@ -103,9 +110,16 @@
                                             digit=string.digits)
 
     def __init__(self):
+        network_resources = {
+            'network': False,
+            'router': False,
+            'subnet': False,
+            'dhcp': False,
+        }
         self.isolated_creds = credentials.get_isolated_credentials(
             name='InputScenarioUtils',
-            identity_version=CONF.identity.auth_version)
+            identity_version=CONF.identity.auth_version,
+            network_resources=network_resources)
         os = clients.Manager(self.isolated_creds.get_primary_creds())
         self.images_client = os.images_client
         self.flavors_client = os.flavors_client
diff --git a/tempest/test.py b/tempest/test.py
index 9d1b807..d80e478 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -414,39 +414,80 @@
                                                    format=self.log_format,
                                                    level=None))
 
-    @classmethod
-    def get_client_manager(cls, identity_version=None,
-                           credential_type='primary'):
-        """
-        Returns an OpenStack client manager
-        """
-        force_tenant_isolation = getattr(cls, 'force_tenant_isolation', None)
-        identity_version = identity_version or CONF.identity.auth_version
+    @property
+    def credentials_provider(self):
+        return self._get_credentials_provider()
 
-        if (not hasattr(cls, 'isolated_creds') or
-            not cls.isolated_creds.name == cls.__name__):
-            cls.isolated_creds = credentials.get_isolated_credentials(
+    @classmethod
+    def _get_credentials_provider(cls):
+        """Returns a credentials provider
+
+        If no credential provider exists yet creates one.
+        It uses self.identity_version if defined, or the configuration value
+        """
+        if (not hasattr(cls, '_creds_provider') or not cls._creds_provider or
+                not cls._creds_provider.name == cls.__name__):
+            force_tenant_isolation = getattr(cls, 'force_tenant_isolation',
+                                             False)
+            identity_version = getattr(cls, 'identity_version', None)
+            identity_version = identity_version or CONF.identity.auth_version
+
+            cls._creds_provider = credentials.get_isolated_credentials(
                 name=cls.__name__, network_resources=cls.network_resources,
                 force_tenant_isolation=force_tenant_isolation,
-                identity_version=identity_version
-            )
+                identity_version=identity_version)
+        return cls._creds_provider
 
-        credentials_method = 'get_%s_creds' % credential_type
-        if hasattr(cls.isolated_creds, credentials_method):
-            creds = getattr(cls.isolated_creds, credentials_method)()
+    @classmethod
+    def get_client_manager(cls, identity_version=None,
+                           credential_type=None, roles=None, force_new=None):
+        """Returns an OpenStack client manager
+
+        Returns an OpenStack client manager based on either credential_type
+        or a list of roles. If neither is specified, it defaults to
+        credential_type 'primary'
+        :param identity_version: string - v2 or v3
+        :param credential_type: string - primary, alt or admin
+        :param roles: list of roles
+
+        :returns the created client manager
+        :raises skipException: if the requested credentials are not available
+        """
+        if all([roles, credential_type]):
+            msg = "Cannot get credentials by type and roles at the same time"
+            raise ValueError(msg)
+        if not any([roles, credential_type]):
+            credential_type = 'primary'
+        cls.identity_version = identity_version
+        cred_provider = cls._get_credentials_provider()
+        if roles:
+            for role in roles:
+                if not cred_provider.is_role_available(role):
+                    skip_msg = (
+                        "%s skipped because the configured credential provider"
+                        " is not able to provide credentials with the %s role "
+                        "assigned." % (cls.__name__, role))
+                    raise cls.skipException(skip_msg)
+            params = dict(roles=roles)
+            if force_new is not None:
+                params.update(force_new=force_new)
+            creds = cred_provider.get_creds_by_roles(**params)
         else:
-            raise exceptions.InvalidCredentials(
-                "Invalid credentials type %s" % credential_type)
-        os = clients.Manager(credentials=creds, service=cls._service)
-        return os
+            credentials_method = 'get_%s_creds' % credential_type
+            if hasattr(cred_provider, credentials_method):
+                creds = getattr(cred_provider, credentials_method)()
+            else:
+                raise exceptions.InvalidCredentials(
+                    "Invalid credentials type %s" % credential_type)
+        return clients.Manager(credentials=creds, service=cls._service)
 
     @classmethod
     def clear_isolated_creds(cls):
         """
         Clears isolated creds if set
         """
-        if hasattr(cls, 'isolated_creds'):
-            cls.isolated_creds.clear_isolated_creds()
+        if hasattr(cls, '_cred_provider'):
+            cls._creds_provider.clear_isolated_creds()
 
     @classmethod
     def set_validation_resources(cls, keypair=None, floating_ip=None,
@@ -464,6 +505,8 @@
         @param security_group_rules
         @param floating_ip
         """
+        if not CONF.validation.run_validation:
+            return
         if keypair is None:
             if CONF.validation.auth_method.lower() == "keypair":
                 keypair = True
@@ -514,16 +557,16 @@
         """
         # Make sure isolated_creds exists and get a network client
         networks_client = cls.get_client_manager().networks_client
-        isolated_creds = getattr(cls, 'isolated_creds', None)
+        cred_provider = cls._get_credentials_provider()
         # In case of nova network, isolated tenants are not able to list the
         # network configured in fixed_network_name, even if the can use it
         # for their servers, so using an admin network client to validate
         # the network name
         if (not CONF.service_available.neutron and
                 credentials.is_admin_available()):
-            admin_creds = isolated_creds.get_admin_creds()
+            admin_creds = cred_provider.get_admin_creds()
             networks_client = clients.Manager(admin_creds).networks_client
-        return fixed_network.get_tenant_network(isolated_creds,
+        return fixed_network.get_tenant_network(cred_provider,
                                                 networks_client)
 
     def assertEmpty(self, list, msg=None):
@@ -673,7 +716,7 @@
                 msg = ("Missing Identity Admin API credentials in"
                        "configuration.")
                 raise self.skipException(msg)
-            creds = self.isolated_creds.get_admin_creds()
+            creds = self.credentials_provider.get_admin_creds()
             os_adm = clients.Manager(credentials=creds)
             client = os_adm.negative_client
         else: