diff --git a/.zuul.yaml b/.zuul.yaml
index 00dd92e..2bec8c4 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -419,10 +419,12 @@
       - git.openstack.org/openstack/sahara-tests
       - git.openstack.org/openstack/senlin
       - git.openstack.org/openstack/senlin-tempest-plugin
+      - git.openstack.org/openstack/solum-tempest-plugin
       - git.openstack.org/openstack/tap-as-a-service
       - git.openstack.org/openstack/telemetry-tempest-plugin
       - git.openstack.org/openstack/tempest-horizon
       - git.openstack.org/openstack/tobiko
+      - git.openstack.org/openstack/trio2o
       - git.openstack.org/openstack/tripleo-common-tempest-plugin
       - git.openstack.org/openstack/trove-tempest-plugin
       - git.openstack.org/openstack/valet
@@ -492,6 +494,7 @@
       - openstack-python-jobs
       - openstack-python35-jobs
       - openstack-python36-jobs
+      - openstack-python37-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
     check:
diff --git a/doc/source/microversion_testing.rst b/doc/source/microversion_testing.rst
index 983fa24..4b1c145 100644
--- a/doc/source/microversion_testing.rst
+++ b/doc/source/microversion_testing.rst
@@ -338,8 +338,8 @@
 
   .. _2.26: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id23
 
-* `2.28`_
-
+  * `2.28`_
+
   .. _2.28: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html#id25
 
   * `2.32`_
diff --git a/tempest/api/identity/admin/v3/test_default_project_id.py b/tempest/api/identity/admin/v3/test_default_project_id.py
index a79cbc3..73fddb7 100644
--- a/tempest/api/identity/admin/v3/test_default_project_id.py
+++ b/tempest/api/identity/admin/v3/test_default_project_id.py
@@ -21,7 +21,7 @@
 CONF = config.CONF
 
 
-class TestDefaultProjectId (base.BaseIdentityV3AdminTest):
+class TestDefaultProjectId(base.BaseIdentityV3AdminTest):
 
     @classmethod
     def setup_credentials(cls):
@@ -57,9 +57,10 @@
         # create a user in the domain, with the previous project as his
         # default project
         user_name = data_utils.rand_name('user')
+        user_pass = data_utils.rand_password()
         user_body = self.users_client.create_user(
             name=user_name,
-            password=user_name,
+            password=user_pass,
             domain_id=dom_id,
             default_project_id=proj_id)['user']
         user_id = user_body['id']
@@ -78,7 +79,7 @@
 
         # create a new client with user's credentials (NOTE: unscoped token!)
         creds = auth.KeystoneV3Credentials(username=user_name,
-                                           password=user_name,
+                                           password=user_pass,
                                            user_domain_name=dom_name)
         auth_provider = clients.get_auth_provider(creds)
         creds = auth_provider.fill_credentials()
diff --git a/tempest/api/identity/admin/v3/test_domains.py b/tempest/api/identity/admin/v3/test_domains.py
index 72b6be4..07175f4 100644
--- a/tempest/api/identity/admin/v3/test_domains.py
+++ b/tempest/api/identity/admin/v3/test_domains.py
@@ -153,18 +153,3 @@
         expected_data = {'name': d_name, 'enabled': True}
         self.assertEqual('', domain['description'])
         self.assertDictContainsSubset(expected_data, domain)
-
-
-class DefaultDomainTestJSON(base.BaseIdentityV3AdminTest):
-
-    @classmethod
-    def resource_setup(cls):
-        cls.domain_id = CONF.identity.default_domain_id
-        super(DefaultDomainTestJSON, cls).resource_setup()
-
-    @decorators.attr(type='smoke')
-    @decorators.idempotent_id('17a5de24-e6a0-4e4a-a9ee-d85b6e5612b5')
-    def test_default_domain_exists(self):
-        domain = self.domains_client.show_domain(self.domain_id)['domain']
-
-        self.assertTrue(domain['enabled'])
diff --git a/tempest/api/identity/admin/v3/test_inherits.py b/tempest/api/identity/admin/v3/test_inherits.py
index 68c0225..acc5a8c 100644
--- a/tempest/api/identity/admin/v3/test_inherits.py
+++ b/tempest/api/identity/admin/v3/test_inherits.py
@@ -30,7 +30,7 @@
         u_name = data_utils.rand_name('user-')
         u_desc = '%s description' % u_name
         u_email = '%s@testmail.tm' % u_name
-        u_password = data_utils.rand_name('pass-')
+        u_password = data_utils.rand_password()
         cls.domain = cls.create_domain()
         cls.project = cls.projects_client.create_project(
             data_utils.rand_name('project-'),
diff --git a/tempest/api/identity/v3/test_domains.py b/tempest/api/identity/v3/test_domains.py
new file mode 100644
index 0000000..9f132dd
--- /dev/null
+++ b/tempest/api/identity/v3/test_domains.py
@@ -0,0 +1,39 @@
+# Copyright 2013 OpenStack Foundation
+# 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.api.identity import base
+from tempest import config
+from tempest.lib import decorators
+
+CONF = config.CONF
+
+
+class DefaultDomainTestJSON(base.BaseIdentityV3Test):
+
+    @classmethod
+    def setup_clients(cls):
+        super(DefaultDomainTestJSON, cls).setup_clients()
+        cls.domains_client = cls.os_primary.domains_client
+
+    @classmethod
+    def resource_setup(cls):
+        super(DefaultDomainTestJSON, cls).resource_setup()
+        cls.domain_id = CONF.identity.default_domain_id
+
+    @decorators.attr(type='smoke')
+    @decorators.idempotent_id('17a5de24-e6a0-4e4a-a9ee-d85b6e5612b5')
+    def test_default_domain_exists(self):
+        domain = self.domains_client.show_domain(self.domain_id)['domain']
+        self.assertTrue(domain['enabled'])
diff --git a/tempest/api/network/admin/test_negative_quotas.py b/tempest/api/network/admin/test_negative_quotas.py
index a075b51..9d1e2a7 100644
--- a/tempest/api/network/admin/test_negative_quotas.py
+++ b/tempest/api/network/admin/test_negative_quotas.py
@@ -30,7 +30,7 @@
     It is also assumed that the per-project quota extension API is configured
     in /etc/neutron/neutron.conf as follows:
 
-        quota_driver = neutron.db.quota_db.DbQuotaDriver
+        quota_driver = neutron.db.quota.driver.DbQuotaDriver
     """
 
     @classmethod
diff --git a/tempest/api/network/admin/test_quotas.py b/tempest/api/network/admin/test_quotas.py
index b1e4a58..ef5ebb6 100644
--- a/tempest/api/network/admin/test_quotas.py
+++ b/tempest/api/network/admin/test_quotas.py
@@ -35,7 +35,7 @@
     It is also assumed that the per-project quota extension API is configured
     in /etc/neutron/neutron.conf as follows:
 
-        quota_driver = neutron.db.quota_db.DbQuotaDriver
+        quota_driver = neutron.db.quota.driver.DbQuotaDriver
     """
 
     @classmethod
diff --git a/tempest/cmd/cleanup_service.py b/tempest/cmd/cleanup_service.py
index 6b6a59b..3aed4e8 100644
--- a/tempest/cmd/cleanup_service.py
+++ b/tempest/cmd/cleanup_service.py
@@ -362,6 +362,7 @@
         self.metering_label_rules_client = manager.metering_label_rules_client
         self.security_groups_client = manager.security_groups_client
         self.routers_client = manager.routers_client
+        self.subnetpools_client = manager.subnetpools_client
 
     def _filter_by_conf_networks(self, item_list):
         if not item_list or not all(('network_id' in i for i in item_list)):
@@ -673,6 +674,41 @@
             self.data['subnets'][subnet['id']] = subnet['name']
 
 
+class NetworkSubnetPoolsService(BaseNetworkService):
+
+    def list(self):
+        client = self.subnetpools_client
+        pools = client.list_subnetpools(**self.tenant_filter)['subnetpools']
+        if not self.is_save_state:
+            # recreate list removing saved subnet pools
+            pools = [pool for pool in pools if pool['id']
+                     not in self.saved_state_json['subnetpools'].keys()]
+        if self.is_preserve:
+            pools = [pool for pool in pools if pool['project_id']
+                     not in CONF_PROJECTS]
+        LOG.debug("List count, %s Subnet Pools", len(pools))
+        return pools
+
+    def delete(self):
+        client = self.subnetpools_client
+        pools = self.list()
+        for pool in pools:
+            try:
+                client.delete_subnetpool(pool['id'])
+            except Exception:
+                LOG.exception("Delete Subnet Pool exception.")
+
+    def dry_run(self):
+        pools = self.list()
+        self.data['subnetpools'] = pools
+
+    def save_state(self):
+        pools = self.list()
+        self.data['subnetpools'] = {}
+        for pool in pools:
+            self.data['subnetpools'][pool['id']] = pool['name']
+
+
 # begin global services
 class FlavorService(BaseService):
     def __init__(self, manager, **kwargs):
@@ -931,6 +967,7 @@
         project_services.append(NetworkSubnetService)
         project_services.append(NetworkService)
         project_services.append(NetworkSecGroupService)
+        project_services.append(NetworkSubnetPoolsService)
     if IS_CINDER:
         project_services.append(SnapshotService)
         project_services.append(VolumeService)
diff --git a/tempest/cmd/run.py b/tempest/cmd/run.py
index 3e84b82..a8ef08c 100644
--- a/tempest/cmd/run.py
+++ b/tempest/cmd/run.py
@@ -252,6 +252,7 @@
                             default=False)
         # execution args
         parser.add_argument('--concurrency', '-w',
+                            type=int,
                             help="The number of workers to use, defaults to "
                                  "the number of cpus")
         parallel = parser.add_mutually_exclusive_group()
diff --git a/tempest/tests/cmd/test_cleanup_services.py b/tempest/tests/cmd/test_cleanup_services.py
index 59e5636..3262b1c 100644
--- a/tempest/tests/cmd/test_cleanup_services.py
+++ b/tempest/tests/cmd/test_cleanup_services.py
@@ -104,6 +104,7 @@
                                 cleanup_service.CONF_PROJECTS[0],
                             "ports": cleanup_service.CONF_PUB_NETWORK,
                             "routers": cleanup_service.CONF_PUB_ROUTER,
+                            "subnetpools": cleanup_service.CONF_PROJECTS[0],
                             }
 
     saved_state = {
@@ -139,7 +140,8 @@
         "metering_labels": {u'723b346ce866-4c7q': u'saved-label'},
         "ports": {u'aa74aa4v-741a': u'saved-port'},
         "security_groups": {u'7q844add-3697': u'saved-sec-group'},
-        "subnets": {u'55ttda4a-2584': u'saved-subnet'}
+        "subnets": {u'55ttda4a-2584': u'saved-subnet'},
+        "subnetpools": {u'8acf64c1-43fc': u'saved-subnet-pool'}
     }
     # Mocked methods
     get_method = 'tempest.lib.common.rest_client.RestClient.get'
@@ -1097,6 +1099,74 @@
         self._test_is_preserve_true([(self.get_method, self.response, 200)])
 
 
+class TestNetworkSubnetPoolsService(BaseCmdServiceTests):
+
+    service_class = 'NetworkSubnetPoolsService'
+    service_name = 'subnetpools'
+    response = {
+        "subnetpools": [
+            {
+                "min_prefixlen": "64",
+                "default_prefixlen": "64",
+                "id": "03f761e6-eee0-43fc-a921-8acf64c14988",
+                "max_prefixlen": "64",
+                "name": "my-subnet-pool-ipv6",
+                "is_default": False,
+                "project_id": "9fadcee8aa7c40cdb2114fff7d569c08",
+                "tenant_id": "9fadcee8aa7c40cdb2114fff7d569c08",
+                "prefixes": [
+                    "2001:db8:0:2::/64",
+                    "2001:db8::/63"
+                ],
+                "ip_version": 6,
+                "shared": False,
+                "description": "",
+                "created_at": "2016-03-08T20:19:41",
+                "updated_at": "2016-03-08T20:19:41",
+                "revision_number": 2,
+                "tags": ["tag1,tag2"]
+            },
+            {
+                "id": "8acf64c1-43fc",
+                "name": "saved-subnet-pool"
+            }
+        ]
+    }
+
+    def test_delete_fail(self):
+        delete_mock = [(self.get_method, self.response, 200),
+                       (self.delete_method, 'error', None),
+                       (self.log_method, 'exception', None)]
+        self._test_delete(delete_mock, fail=True)
+
+    def test_delete_pass(self):
+        delete_mock = [(self.get_method, self.response, 200),
+                       (self.delete_method, None, 204),
+                       (self.log_method, 'exception', None)]
+        self._test_delete(delete_mock)
+
+    def test_dry_run(self):
+        dry_mock = [(self.get_method, self.response, 200),
+                    (self.delete_method, "delete", None)]
+        self._test_dry_run_true(dry_mock)
+
+    def test_save_state(self):
+        self._test_saved_state_true([(self.get_method, self.response, 200)])
+
+    def test_preserve_list(self):
+        self.response['subnetpools'].append(
+            {
+                "min_prefixlen": "64",
+                "default_prefixlen": "64",
+                "id": "9acf64c1-43fc",
+                "name": "preserve-pool",
+                "project_id": cleanup_service.CONF_PROJECTS[0],
+                "created_at": "2016-03-08T20:19:41",
+                "updated_at": "2016-03-08T20:19:41"
+            })
+        self._test_is_preserve_true([(self.get_method, self.response, 200)])
+
+
 # begin global services
 class TestDomainService(BaseCmdServiceTests):
 
diff --git a/tools/tempest-plugin-sanity.sh b/tools/tempest-plugin-sanity.sh
index 661329b..16e7b8c 100644
--- a/tools/tempest-plugin-sanity.sh
+++ b/tools/tempest-plugin-sanity.sh
@@ -18,20 +18,17 @@
 # This script is intended to check the sanity of tempest plugins against
 # tempest master.
 # What it does:
-# * Creates the virtualenv
-# * Install tempest
 # * Retrieve the project lists having tempest plugin if project name is
 #   given.
-# * For each project in a list, It does:
+# * For each project in a list, it does:
+#   * Create virtualenv and install tempest in it
 #   * Clone the Project
 #   * Install the Project and also installs dependencies from
 #     test-requirements.txt.
 #   * Create Tempest workspace
 #   * List tempest plugins
 #   * List tempest plugins tests
-#   * Uninstall the project and its dependencies
-#   * Again Install tempest
-#   * Again repeat the step from cloning project
+#   * Delete virtualenv and project repo
 #
 # If one of the step fails, The script will exit with failure.
 
@@ -46,8 +43,39 @@
 
 # retrieve a list of projects having tempest plugins
 PROJECT_LIST="$(python tools/generate-tempest-plugins-list.py)"
-# List of projects having tempest plugin stale or unmaintained from long time
-BLACKLIST="networking-plumgrid,trio2o"
+# List of projects having tempest plugin stale or unmaintained for a long time
+# (6 months or more)
+# TODO(masayukig): Some of these can be removed from BLACKLIST in the future.
+# airship-tempest-plugin: https://review.openstack.org/#/c/634387/
+# barbican-tempest-plugin: https://review.openstack.org/#/c/634631/
+# intel-nfv-ci-tests: https://review.openstack.org/#/c/634640/
+# networking-ansible: https://review.openstack.org/#/c/634647/
+# networking-generic-switch: https://review.openstack.org/#/c/634846/
+# networking-l2gw-tempest-plugin: https://review.openstack.org/#/c/635093/
+# networking-midonet: https://review.openstack.org/#/c/635096/
+# networking-plumgrid: https://review.openstack.org/#/c/635096/
+# networking-spp: https://review.openstack.org/#/c/635098/
+# neutron-dynamic-routing: https://review.openstack.org/#/c/637718/
+# neutron-vpnaas: https://review.openstack.org/#/c/637719/
+# nova-lxd: https://review.openstack.org/#/c/638334/
+# valet: https://review.openstack.org/#/c/638339/
+# vitrage-tempest-plugin: https://review.openstack.org/#/c/639003/
+BLACKLIST="
+airship-tempest-plugin
+barbican-tempest-plugin
+intel-nfv-ci-tests
+networking-ansible
+networking-generic-switch
+networking-l2gw-tempest-plugin
+networking-midonet
+networking-plumgrid
+networking-spp
+neutron-dynamic-routing
+neutron-vpnaas
+nova-lxd
+valet
+vitrage-tempest-plugin
+"
 
 # Function to clone project using zuul-cloner or from git
 function clone_project() {
@@ -63,14 +91,16 @@
     fi
 }
 
-# Create virtualenv to perform sanity operation
-SANITY_DIR=$(pwd)
-virtualenv "$SANITY_DIR"/.venv
-export TVENV="$SANITY_DIR/tools/with_venv.sh"
-cd "$SANITY_DIR"
+# function to create virtualenv to perform sanity operation
+function prepare_workspace() {
+    SANITY_DIR=$(pwd)
+    virtualenv --clear "$SANITY_DIR"/.venv
+    export TVENV="$SANITY_DIR/tools/with_venv.sh"
+    cd "$SANITY_DIR"
 
-# Install tempest in a venv
-"$TVENV" pip install .
+    # Install tempest with test dependencies in a venv
+    "$TVENV" pip install -e . -r test-requirements.txt
+}
 
 # Function to install project
 function install_project() {
@@ -83,30 +113,31 @@
 
 # Function to perform sanity checking on Tempest plugin
 function tempest_sanity() {
-    "$TVENV" tempest init "$SANITY_DIR"/tempest_sanity
-    cd "$SANITY_DIR"/tempest_sanity
-    "$TVENV" tempest list-plugins
+    "$TVENV" tempest init "$SANITY_DIR"/tempest_sanity && \
+    cd "$SANITY_DIR"/tempest_sanity && \
+    "$TVENV" tempest list-plugins && \
     "$TVENV" tempest run -l
+    retval=$?
     # Delete tempest workspace
+    # NOTE: Cleaning should be done even if an error occurs.
     "$TVENV" tempest workspace remove --name tempest_sanity --rmdir
     cd "$SANITY_DIR"
-}
-
-# Function to uninstall project
-function uninstall_project() {
-    "$TVENV" pip uninstall -y "$SANITY_DIR"/openstack/"$1"
-    # Check for *requirements.txt file in a project then uninstall it.
-    if [ -e "$SANITY_DIR"/openstack/"$1"/*requirements.txt ]; then
-        "$TVENV" pip uninstall -y -r "$SANITY_DIR"/openstack/"$1"/*requirements.txt
-    fi
+    # Remove the sanity workspace in case of remaining
+    rm -fr "$SANITY_DIR"/tempest_sanity
     # Remove the project directory after sanity run
     rm -fr "$SANITY_DIR"/openstack/"$1"
+
+    return $retval
 }
 
 # Function to run sanity check on each project
 function plugin_sanity_check() {
-    clone_project "$1"  &&  install_project "$1"  &&  tempest_sanity "$1" \
-    &&  uninstall_project "$1"  &&  "$TVENV" pip install .
+    prepare_workspace && \
+    clone_project "$1" && \
+    install_project "$1" && \
+    tempest_sanity "$1"
+
+    return $?
 }
 
 # Log status
@@ -117,11 +148,12 @@
     # Remove blacklisted tempest plugins
     if ! [[ `echo $BLACKLIST | grep -c $project ` -gt 0 ]]; then
         plugin_sanity_check $project && passed_plugin+=", $project" || \
-        failed_plugin+=", $project"
+        failed_plugin+="$project, " > $SANITY_DIR/$project.txt
     fi
 done
 
 # Check for failed status
 if [[ -n $failed_plugin ]]; then
+    echo "Failed Plugins: $failed_plugin"
     exit 1
 fi