Add test for assisted volume snapshot

Assisted volume snapshot API is service API involving
nova and cinder. Adding its tests so that we can test it
when we change its default to 'service' role in RBAC.

Change-Id: Ic8df2745f0e81070c0a64d03e4002dc41a4cde10

tempest/api/compute/admin/test_assisted_volume_snapshots.py

@@ -0,0 +1,63 @@
+# 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.compute import base
+from tempest import config
+from tempest.lib.common.utils import data_utils
+from tempest.lib import decorators
+
+
+CONF = config.CONF
+
+
+class VolumesAssistedSnapshotsTest(base.BaseV2ComputeAdminTest):
+    """Test volume assisted snapshots"""
+
+    create_default_network = True
+
+    @classmethod
+    def skip_checks(cls):
+        super(VolumesAssistedSnapshotsTest, cls).skip_checks()
+        if not CONF.service_available.cinder:
+            skip_msg = ("%s skipped as Cinder is not available" % cls.__name__)
+            raise cls.skipException(skip_msg)
+
+    @classmethod
+    def setup_clients(cls):
+        super(VolumesAssistedSnapshotsTest, cls).setup_clients()
+        cls.assisted_v_client = (
+            cls.os_admin.assisted_volume_snapshots_client)
+        cls.volumes_client = cls.os_admin.volumes_client_latest
+        cls.servers_client = cls.os_admin.servers_client
+
+    @decorators.idempotent_id('8aee84a3-1b1f-42e4-9b00-613931ccac24')
+    def test_volume_assisted_snapshot_create_delete(self):
+        """Test create/delete volume assisted snapshot"""
+        volume = self.create_volume()
+        self.addCleanup(self.delete_volume, volume['id'])
+        validation_resources = self.get_class_validation_resources(
+            self.os_primary)
+        server = self.create_test_server(
+            validatable=True,
+            validation_resources=validation_resources,
+            wait_until='SSHABLE'
+        )
+        # Attach created volume to server
+        self.attach_volume(server, volume)
+        snapshot_id = data_utils.rand_uuid()
+        snapshot = self.assisted_v_client.create_assisted_volume_snapshot(
+            volume_id=volume['id'], snapshot_id=snapshot_id,
+            type='qcow2', new_file='new_file')['snapshot']
+        self.assisted_v_client.delete_assisted_volume_snapshot(
+            volume_id=volume['id'], snapshot_id=snapshot['id'])