Add "server group create" command

Support compute v2 "server group create" command in OSC.

Implements: blueprint nova-server-group-support
Partial-Bug: #1542171

Change-Id: I96ffb07764d3adb715e048943cfee3b879c280f6

1 files changed, 68 insertions, 0 deletions

diff --git a/openstackclient/compute/v2/server_group.py b/openstackclient/compute/v2/server_group.py
new file mode 100644
index 00000000..4d0baddc
--- /dev/null
+++ b/openstackclient/compute/v2/server_group.py
@@ -0,0 +1,68 @@
+#   Copyright 2016 Huawei, 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.
+#
+
+"""Compute v2 Server Group action implementations"""
+
+from openstackclient.common import command
+from openstackclient.common import utils
+
+
+_formatters = {
+    'policies': utils.format_list,
+    'members': utils.format_list,
+}
+
+
+def _get_columns(info):
+    columns = list(info.keys())
+    if 'metadata' in columns:
+        # NOTE(RuiChen): The metadata of server group is always empty since API
+        #                compatible, so hide it in order to avoid confusion.
+        columns.remove('metadata')
+    return tuple(sorted(columns))
+
+
+class CreateServerGroup(command.ShowOne):
+    """Create a new server group."""
+
+    def get_parser(self, prog_name):
+        parser = super(CreateServerGroup, self).get_parser(prog_name)
+        parser.add_argument(
+            'name',
+            metavar='<name>',
+            help='New server group name',
+        )
+        parser.add_argument(
+            '--policy',
+            metavar='<policy>',
+            action='append',
+            required=True,
+            help='Add a policy to <name> '
+                 '(repeat option to add multiple policies)',
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        compute_client = self.app.client_manager.compute
+        info = {}
+        server_group = compute_client.server_groups.create(
+            name=parsed_args.name,
+            policies=parsed_args.policy)
+        info.update(server_group._info)
+
+        columns = _get_columns(info)
+        data = utils.get_dict_properties(info, columns,
+                                         formatters=_formatters)
+        return columns, data