Fix: Restore output 'VolumeBackupsRestore' object is not iterable

VolumeBackupsRetore object has '_info' attribute
which contains the output data of the restore
command which should be returned instead of the
'VolumeBackupsRestore' object.

Change-Id: I64b75649c1ac9c24e05a197f7280975564b4d386
Story: 2004740
Task: 28811

Author: rajathere

.zuul.yaml

@@ -166,11 +166,11 @@
         s-container: false
         s-object: false
         s-proxy: false
-        # As swift is not available for this job, c-backup service won't be functional.
+        # As swift is not available for this job, c-bak service won't be functional.
         # The backup related tests can be handled by other jobs having swift enabled.
         # The backup service along with swift services can be enabled once swift is
         # compatible with py3
-        c-backup: false
+        c-bak: false
       tox_envlist: functional
       tox_install_siblings: true
 

openstackclient/tests/functional/volume/v2/test_backup.py

@@ -0,0 +1,58 @@
+#    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 json
+import uuid
+
+from openstackclient.tests.functional.volume.v2 import common
+
+
+class VolumeBackupTests(common.BaseVolumeTests):
+    """Functional tests for volume backups. """
+
+    def setUp(self):
+        super(VolumeBackupTests, self).setUp()
+        self.backup_enabled = False
+        serv_list = json.loads(self.openstack('volume service list -f json'))
+        for service in serv_list:
+            if service['Binary'] == 'cinder-backup':
+                if service['Status'] == 'enabled':
+                    self.backup_enabled = True
+
+    def test_volume_backup_restore(self):
+        """Test restore backup"""
+        if not self.backup_enabled:
+            self.skipTest('Backup service is not enabled')
+        vol_id = uuid.uuid4().hex
+        # create a volume
+        json.loads(self.openstack(
+            'volume create -f json ' +
+            '--size 1 ' +
+            vol_id
+        ))
+        # create a backup
+        backup = json.loads(self.openstack(
+            'volume backup create -f json ' +
+            vol_id
+        ))
+
+        self.wait_for_status("volume", vol_id, "available")
+        self.wait_for_status("backup", backup['id'], "available")
+        # restore the backup
+        backup_restored = json.loads(self.openstack(
+            'volume backup restore -f json %s %s'
+            % (backup['id'], vol_id)))
+        self.assertEqual(backup_restored['backup_id'], backup['id'])
+        self.wait_for_status("backup", backup['id'], "available")
+        self.wait_for_status("volume", backup_restored['volume_id'],
+                             "available")
+        self.addCleanup(self.openstack, 'volume delete %s' % vol_id)

openstackclient/tests/unit/volume/v2/test_backup.py

@@ -367,7 +367,9 @@ def setUp(self):
 
         self.backups_mock.get.return_value = self.backup
         self.volumes_mock.get.return_value = self.volume
-        self.restores_mock.restore.return_value = None
+        self.restores_mock.restore.return_value = (
+            volume_fakes.FakeVolume.create_one_volume(
+                {'id': self.volume['id']}))
         # Get the command object to mock
         self.cmd = backup.RestoreVolumeBackup(self.app, None)
 
@@ -385,7 +387,7 @@ def test_backup_restore(self):
         result = self.cmd.take_action(parsed_args)
         self.restores_mock.restore.assert_called_with(self.backup.id,
                                                       self.backup.volume_id)
-        self.assertIsNone(result)
+        self.assertIsNotNone(result)
 
 
 class TestBackupSet(TestBackup):

openstackclient/volume/v2/backup.py

@@ -319,7 +319,9 @@ def take_action(self, parsed_args):
         backup = utils.find_resource(volume_client.backups, parsed_args.backup)
         destination_volume = utils.find_resource(volume_client.volumes,
                                                  parsed_args.volume)
-        return volume_client.restores.restore(backup.id, destination_volume.id)
+        backup = volume_client.restores.restore(backup.id,
+                                                destination_volume.id)
+        return zip(*sorted(six.iteritems(backup._info)))
 
 
 class RestoreBackup(RestoreVolumeBackup):