diff --git a/releasenotes/notes/add-snapshot-manage-client-as-library-a76ffdba9d8d01cb.yaml b/releasenotes/notes/add-snapshot-manage-client-as-library-a76ffdba9d8d01cb.yaml
new file mode 100644
index 0000000..9a4e6b1
--- /dev/null
+++ b/releasenotes/notes/add-snapshot-manage-client-as-library-a76ffdba9d8d01cb.yaml
@@ -0,0 +1,8 @@
+---
+features:
+  - |
+    Define v2 snapshot_manage_client client for the volume service as
+    library interfaces, allowing other projects to use this module as
+    stable libraries without maintenance changes.
+
+    * snapshot_manage_client(v2)
diff --git a/releasenotes/notes/deprecate-identity-feature-enabled.reseller-84800a8232fe217f.yaml b/releasenotes/notes/deprecate-identity-feature-enabled.reseller-84800a8232fe217f.yaml
new file mode 100644
index 0000000..c0a06d1
--- /dev/null
+++ b/releasenotes/notes/deprecate-identity-feature-enabled.reseller-84800a8232fe217f.yaml
@@ -0,0 +1,8 @@
+---
+upgrade:
+  - The default value for the ``reseller`` option in the
+    ``identity-feature-enabled`` section has been changed from ``False``
+    to ``True``.
+deprecations:
+  - The ``reseller`` option in the ``identity-feature-enabled`` section is now
+    deprecated.
diff --git a/releasenotes/notes/deprecate-volume_feature_enabled.volume_services-dbe024ea067d5ab2.yaml b/releasenotes/notes/deprecate-volume_feature_enabled.volume_services-dbe024ea067d5ab2.yaml
new file mode 100644
index 0000000..c80f159
--- /dev/null
+++ b/releasenotes/notes/deprecate-volume_feature_enabled.volume_services-dbe024ea067d5ab2.yaml
@@ -0,0 +1,8 @@
+---
+upgrade:
+  - The default value for the ``volume_services`` option in the
+    ``volume_feature_enabled`` section has been changed from ``False``
+    to ``True``.
+deprecations:
+  - The ``volume_services`` option in the ``volume_feature_enabled`` section
+    is now deprecated.
diff --git a/tempest/api/compute/admin/test_volumes_negative.py b/tempest/api/compute/admin/test_volumes_negative.py
index b9dac6f..26b8742 100644
--- a/tempest/api/compute/admin/test_volumes_negative.py
+++ b/tempest/api/compute/admin/test_volumes_negative.py
@@ -49,6 +49,7 @@
                           self.server['id'], nonexistent_volume,
                           volumeId=volume['id'])
 
+    @test.related_bug('1629110', status_code=400)
     @test.idempotent_id('7dcac15a-b107-46d3-a5f6-cb863f4e454a')
     def test_update_attached_volume_with_nonexistent_volume_in_body(self):
         volume = self.create_volume()
diff --git a/tempest/api/compute/security_groups/test_security_group_rules.py b/tempest/api/compute/security_groups/test_security_group_rules.py
index 38c294b..60caa19 100644
--- a/tempest/api/compute/security_groups/test_security_group_rules.py
+++ b/tempest/api/compute/security_groups/test_security_group_rules.py
@@ -43,7 +43,6 @@
         group = {}
         ip_range = {}
         cls.expected = {
-            'id': None,
             'parent_group_id': None,
             'ip_protocol': cls.ip_protocol,
             'from_port': from_port,
@@ -54,8 +53,6 @@
 
     def _check_expected_response(self, actual_rule):
         for key in self.expected:
-            if key == 'id':
-                continue
             self.assertEqual(self.expected[key], actual_rule[key],
                              "Miss-matched key is %s" % key)
 
diff --git a/tempest/api/compute/servers/test_servers_negative.py b/tempest/api/compute/servers/test_servers_negative.py
index 1b1b339..f66bc72 100644
--- a/tempest/api/compute/servers/test_servers_negative.py
+++ b/tempest/api/compute/servers/test_servers_negative.py
@@ -217,6 +217,26 @@
                           name=server_name)
 
     @test.attr(type=['negative'])
+    @test.related_bug('1651064', status_code=500)
+    @test.idempotent_id('12146ac1-d7df-4928-ad25-b1f99e5286cd')
+    def test_create_server_invalid_bdm_in_2nd_dict(self):
+        volume = self.create_volume()
+        bdm_1st = {"source_type": "image",
+                   "delete_on_termination": True,
+                   "boot_index": 0,
+                   "uuid": self.image_ref,
+                   "destination_type": "local"}
+        bdm_2nd = {"source_type": "volume",
+                   "uuid": volume["id"],
+                   "destination_type": "invalid"}
+        bdm = [bdm_1st, bdm_2nd]
+
+        self.assertRaises(lib_exc.BadRequest,
+                          self.create_test_server,
+                          image_id=self.image_ref,
+                          block_device_mapping_v2=bdm)
+
+    @test.attr(type=['negative'])
     @test.idempotent_id('4e72dc2d-44c5-4336-9667-f7972e95c402')
     def test_create_with_invalid_network_uuid(self):
         # Pass invalid network uuid while creating a server
diff --git a/tempest/api/image/v1/test_images_negative.py b/tempest/api/image/v1/test_images_negative.py
index d8f103a..3493cc2 100644
--- a/tempest/api/image/v1/test_images_negative.py
+++ b/tempest/api/image/v1/test_images_negative.py
@@ -15,6 +15,7 @@
 
 
 from tempest.api.image import base
+from tempest.common.utils import data_utils
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -44,7 +45,7 @@
     def test_delete_non_existent_image(self):
         # Return an error while trying to delete a non-existent image
 
-        non_existent_image_id = '11a22b9-12a9-5555-cc11-00ab112223fa'
+        non_existent_image_id = data_utils.rand_uuid()
         self.assertRaises(lib_exc.NotFound, self.client.delete_image,
                           non_existent_image_id)
 
@@ -58,9 +59,9 @@
     @test.idempotent_id('950e5054-a3c7-4dee-ada5-e576f1087abd')
     def test_delete_image_non_hex_string_id(self):
         # Return an error while trying to delete an image with non hex id
-        image_id = '11a22b9-120q-5555-cc11-00ab112223gj'
+        invalid_image_id = data_utils.rand_uuid()[:-1] + "j"
         self.assertRaises(lib_exc.NotFound, self.client.delete_image,
-                          image_id)
+                          invalid_image_id)
 
     @test.attr(type=['negative'])
     @test.idempotent_id('4ed757cd-450c-44b1-9fd1-c819748c650d')
@@ -70,7 +71,8 @@
 
     @test.attr(type=['negative'])
     @test.idempotent_id('a4a448ab-3db2-4d2d-b9b2-6a1271241dfe')
-    def test_delete_image_id_is_over_35_character_limit(self):
+    def test_delete_image_id_over_character_limit(self):
         # Return an error while trying to delete image with id over limit
+        overlimit_image_id = data_utils.rand_uuid() + "1"
         self.assertRaises(lib_exc.NotFound, self.client.delete_image,
-                          '11a22b9-12a9-5555-cc11-00ab112223fa-3fac')
+                          overlimit_image_id)
diff --git a/tempest/api/volume/admin/v2/test_snapshot_manage.py b/tempest/api/volume/admin/v2/test_snapshot_manage.py
new file mode 100644
index 0000000..98f6d32
--- /dev/null
+++ b/tempest/api/volume/admin/v2/test_snapshot_manage.py
@@ -0,0 +1,74 @@
+# Copyright 2016 Red Hat, Inc.
+# 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.
+
+import testtools
+
+from tempest.api.volume import base
+from tempest.common import waiters
+from tempest import config
+from tempest import test
+
+CONF = config.CONF
+
+
+class SnapshotManageAdminV2Test(base.BaseVolumeAdminTest):
+    """Unmanage & manage snapshots
+
+     This feature provides the ability to import/export volume snapshot
+     from one Cinder to another and to import snapshots that have not been
+     managed by Cinder from a storage back end to Cinder
+    """
+
+    @test.idempotent_id('0132f42d-0147-4b45-8501-cc504bbf7810')
+    @testtools.skipIf(CONF.volume.storage_protocol == 'ceph',
+                      'Currently, Ceph does not support '
+                      'unmanage/manage snapshot')
+    def test_unmanage_manage_snapshot(self):
+        # Create a volume
+        volume = self.create_volume()
+
+        # Create a snapshot
+        snapshot = self.create_snapshot(volume_id=volume['id'])
+
+        # Unmanage the snapshot
+        # Unmanage snapshot function works almost the same as delete snapshot,
+        # but it does not delete the snapshot data
+        self.admin_snapshots_client.unmanage_snapshot(snapshot['id'])
+        self.admin_snapshots_client.wait_for_resource_deletion(snapshot['id'])
+
+        # Fetch snapshot ids
+        snapshot_list = [
+            snap['id'] for snap in
+            self.snapshots_client.list_snapshots()['snapshots']
+        ]
+
+        # Verify snapshot does not exist in snapshot list
+        self.assertNotIn(snapshot['id'], snapshot_list)
+
+        # Manage the snapshot
+        snapshot_ref = '_snapshot-%s' % snapshot['id']
+        new_snapshot = self.admin_snapshot_manage_client.manage_snapshot(
+            volume_id=volume['id'],
+            ref={'source-name': snapshot_ref})['snapshot']
+        self.addCleanup(self.delete_snapshot,
+                        self.admin_snapshots_client, new_snapshot['id'])
+
+        # Wait for the snapshot to be available after manage operation
+        waiters.wait_for_snapshot_status(self.admin_snapshots_client,
+                                         new_snapshot['id'],
+                                         'available')
+
+        # Verify the managed snapshot has the expected parent volume
+        self.assertEqual(new_snapshot['volume_id'], volume['id'])
diff --git a/tempest/api/volume/base.py b/tempest/api/volume/base.py
index c9060af..8a861a1 100644
--- a/tempest/api/volume/base.py
+++ b/tempest/api/volume/base.py
@@ -171,6 +171,11 @@
         client.delete_volume(volume_id)
         client.wait_for_resource_deletion(volume_id)
 
+    def delete_snapshot(self, client, snapshot_id):
+        """Delete snapshot by the given client"""
+        client.delete_snapshot(snapshot_id)
+        client.wait_for_resource_deletion(snapshot_id)
+
     def attach_volume(self, server_id, volume_id):
         """Attachs a volume to a server"""
         self.servers_client.attach_volume(
@@ -257,6 +262,8 @@
             cls.admin_volume_types_client = cls.os_adm.volume_types_v2_client
             cls.admin_volume_client = cls.os_adm.volumes_v2_client
             cls.admin_hosts_client = cls.os_adm.volume_hosts_v2_client
+            cls.admin_snapshot_manage_client = \
+                cls.os_adm.snapshot_manage_v2_client
             cls.admin_snapshots_client = cls.os_adm.snapshots_v2_client
             cls.admin_backups_client = cls.os_adm.backups_v2_client
             cls.admin_encryption_types_client = \
diff --git a/tempest/clients.py b/tempest/clients.py
index f99060a..8093a72 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -261,6 +261,7 @@
         self.encryption_types_client = self.volume_v1.EncryptionTypesClient()
         self.encryption_types_v2_client = \
             self.volume_v2.EncryptionTypesClient()
+        self.snapshot_manage_v2_client = self.volume_v2.SnapshotManageClient()
         self.snapshots_client = self.volume_v1.SnapshotsClient()
         self.snapshots_v2_client = self.volume_v2.SnapshotsClient()
         self.volumes_client = self.volume_v1.VolumesClient()
diff --git a/tempest/cmd/run.py b/tempest/cmd/run.py
index 5fa8b74..a3105e0 100644
--- a/tempest/cmd/run.py
+++ b/tempest/cmd/run.py
@@ -88,6 +88,7 @@
 from cliff import command
 from os_testr import regex_builder
 from os_testr import subunit_trace
+import six
 from testrepository.commands import run_argv
 
 from tempest.cmd import init
@@ -109,6 +110,12 @@
             return
         else:
             os.environ["TESTR_PDB"] = ""
+        # NOTE(dims): most of our .testr.conf try to test for PYTHON
+        # environment variable and fall back to "python", under python3
+        # if it does not exist. we should set it to the python3 executable
+        # to deal with this situation better for now.
+        if six.PY3 and 'PYTHON' not in os.environ:
+            os.environ['PYTHON'] = sys.executable
 
     def _create_testrepository(self):
         if not os.path.isdir('.testrepository'):
diff --git a/tempest/config.py b/tempest/config.py
index 0e45f2e..ea7811d 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -220,8 +220,11 @@
     # TODO(rodrigods): Remove the reseller flag when Kilo and Liberty is end
     # of life.
     cfg.BoolOpt('reseller',
-                default=False,
-                help='Does the environment support reseller?'),
+                default=True,
+                help='Does the environment support reseller?',
+                deprecated_for_removal=True,
+                deprecated_reason="All supported version of OpenStack now "
+                                  "supports the 'reseller' feature"),
     cfg.BoolOpt('security_compliance',
                 default=False,
                 help='Does the environment have the security compliance '
@@ -817,8 +820,11 @@
                 help="Is the v3 volume API enabled"),
     # TODO(ynesenenko): Remove volume_services once liberty-eol happens.
     cfg.BoolOpt('volume_services',
-                default=False,
-                help='Extract correct host info from host@backend')
+                default=True,
+                help='Extract correct host info from host@backend',
+                deprecated_for_removal=True,
+                deprecated_reason='This config switch was added for Liberty '
+                                  'which is not supported anymore.')
 ]
 
 
diff --git a/tempest/lib/services/volume/v2/__init__.py b/tempest/lib/services/volume/v2/__init__.py
index 837b4f6..8acad0f 100644
--- a/tempest/lib/services/volume/v2/__init__.py
+++ b/tempest/lib/services/volume/v2/__init__.py
@@ -27,6 +27,8 @@
 from tempest.lib.services.volume.v2.scheduler_stats_client import \
     SchedulerStatsClient
 from tempest.lib.services.volume.v2.services_client import ServicesClient
+from tempest.lib.services.volume.v2.snapshot_manage_client import \
+    SnapshotManageClient
 from tempest.lib.services.volume.v2.snapshots_client import SnapshotsClient
 from tempest.lib.services.volume.v2.types_client import TypesClient
 from tempest.lib.services.volume.v2.volumes_client import VolumesClient
@@ -34,4 +36,5 @@
 __all__ = ['AvailabilityZoneClient', 'BackupsClient', 'EncryptionTypesClient',
            'ExtensionsClient', 'HostsClient', 'QosSpecsClient', 'QuotasClient',
            'ServicesClient', 'SnapshotsClient', 'TypesClient', 'VolumesClient',
-           'LimitsClient', 'CapabilitiesClient', 'SchedulerStatsClient']
+           'LimitsClient', 'CapabilitiesClient', 'SchedulerStatsClient',
+           'SnapshotManageClient']
diff --git a/tempest/lib/services/volume/v2/snapshot_manage_client.py b/tempest/lib/services/volume/v2/snapshot_manage_client.py
new file mode 100644
index 0000000..aecd30b
--- /dev/null
+++ b/tempest/lib/services/volume/v2/snapshot_manage_client.py
@@ -0,0 +1,33 @@
+# Copyright 2016 Red Hat, Inc.
+# 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 oslo_serialization import jsonutils as json
+
+from tempest.lib.common import rest_client
+
+
+class SnapshotManageClient(rest_client.RestClient):
+    """Snapshot manage V2 client."""
+
+    api_version = "v2"
+
+    def manage_snapshot(self, **kwargs):
+        """Manage a snapshot."""
+        post_body = json.dumps({'snapshot': kwargs})
+        url = 'os-snapshot-manage'
+        resp, body = self.post(url, post_body)
+        self.expected_success(202, resp.status)
+        body = json.loads(body)
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/lib/services/volume/v2/snapshots_client.py b/tempest/lib/services/volume/v2/snapshots_client.py
index 6f51b51..2bdf1b1 100644
--- a/tempest/lib/services/volume/v2/snapshots_client.py
+++ b/tempest/lib/services/volume/v2/snapshots_client.py
@@ -184,3 +184,11 @@
         resp, body = self.post('snapshots/%s/action' % snapshot_id, post_body)
         self.expected_success(202, resp.status)
         return rest_client.ResponseBody(resp, body)
+
+    def unmanage_snapshot(self, snapshot_id):
+        """Unmanage a snapshot."""
+        post_body = json.dumps({'os-unmanage': {}})
+        url = 'snapshots/%s/action' % (snapshot_id)
+        resp, body = self.post(url, post_body)
+        self.expected_success(202, resp.status)
+        return rest_client.ResponseBody(resp, body)