Support for volume service list

OSC does not support to list volume services.
This patch will provide support for adding volume service related
support.

Closes-bug:#1550999

Implements: bp cinder-command-support

Change-Id: I50ac14aeb96c4b8ddbf7b33e519feea0d126f752

1 files changed, 70 insertions, 0 deletions

diff --git a/openstackclient/volume/v2/service.py b/openstackclient/volume/v2/service.py
new file mode 100644
index 00000000..f26be13e
--- /dev/null
+++ b/openstackclient/volume/v2/service.py
@@ -0,0 +1,70 @@
+#
+#   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.
+#
+
+"""Service action implementations"""
+
+from openstackclient.common import command
+from openstackclient.common import utils
+
+
+class ListService(command.Lister):
+    """List service command"""
+
+    def get_parser(self, prog_name):
+        parser = super(ListService, self).get_parser(prog_name)
+        parser.add_argument(
+            "--host",
+            metavar="<host>",
+            help="List services on specified host (name only)")
+        parser.add_argument(
+            "--service",
+            metavar="<service>",
+            help="List only specified service (name only)")
+        parser.add_argument(
+            "--long",
+            action="store_true",
+            default=False,
+            help="List additional fields in output"
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        service_client = self.app.client_manager.volume
+
+        if parsed_args.long:
+            columns = [
+                "Binary",
+                "Host",
+                "Zone",
+                "Status",
+                "State",
+                "Updated At",
+                "Disabled Reason"
+            ]
+        else:
+            columns = [
+                "Binary",
+                "Host",
+                "Zone",
+                "Status",
+                "State",
+                "Updated At"
+            ]
+
+        data = service_client.services.list(parsed_args.host,
+                                            parsed_args.service)
+        return (columns,
+                (utils.get_item_properties(
+                    s, columns,
+                ) for s in data))