Implement "consistency group list" command

Add "consistency group" object in volume v2 (v2 only)
and implement "consistency group list" command

Change-Id: Ifa90d97f4b223f9a5b00708cff07fa2c5e2635f0
Implements: bp cinder-command-support
Partial-Bug: #1613964
Co-Authored-By: Sheel Rana <ranasheel2000@gmail.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/openstackclient/volume/v2/consistency_group.py b/openstackclient/volume/v2/consistency_group.py
new file mode 100644
index 00000000..39f2d577
--- /dev/null
+++ b/openstackclient/volume/v2/consistency_group.py
@@ -0,0 +1,57 @@
+#
+#   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.
+#
+
+"""Volume v2 consistency group action implementations"""
+
+from osc_lib.command import command
+from osc_lib import utils
+
+from openstackclient.i18n import _
+
+
+class ListConsistencyGroup(command.Lister):
+    """List consistency groups."""
+
+    def get_parser(self, prog_name):
+        parser = super(ListConsistencyGroup, self).get_parser(prog_name)
+        parser.add_argument(
+            '--all-projects',
+            action="store_true",
+            help=_('Show detail for all projects. Admin only. '
+                   '(defaults to False)')
+        )
+        parser.add_argument(
+            '--long',
+            action="store_true",
+            help=_('List additional fields in output')
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        if parsed_args.long:
+            columns = ['ID', 'Status', 'Availability Zone',
+                       'Name', 'Description', 'Volume Types']
+        else:
+            columns = ['ID', 'Status', 'Name']
+        volume_client = self.app.client_manager.volume
+        consistency_groups = volume_client.consistencygroups.list(
+            detailed=True,
+            search_opts={'all_tenants': parsed_args.all_projects}
+        )
+
+        return (columns, (
+            utils.get_item_properties(
+                s, columns,
+                formatters={'Volume Types': utils.format_list})
+            for s in consistency_groups))