Router: Add "router list" command using SDK

Add "router list" command. It takes one "--long" option.

By default, the command will print router id, name, status,
admin state up, distributed, ha and project id.

With "--long" option, it will also print routes and
external gateway info.

Change-Id: I9d21904c41c11ee1fa107f985744878a1dc2f970
Implements: blueprint neutron-client
Partial-bug: #1519503

1 files changed, 93 insertions, 0 deletions

diff --git a/openstackclient/network/v2/router.py b/openstackclient/network/v2/router.py
new file mode 100644
index 00000000..cf5dae59
--- /dev/null
+++ b/openstackclient/network/v2/router.py
@@ -0,0 +1,93 @@
+#   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.
+#
+
+"""Router action implementations"""
+
+import json
+import logging
+
+from cliff import lister
+
+from openstackclient.common import utils
+
+
+def _format_admin_state(state):
+    return 'UP' if state else 'DOWN'
+
+
+def _format_external_gateway_info(info):
+    try:
+        return json.dumps(info)
+    except (TypeError, KeyError):
+        return ''
+
+
+_formatters = {
+    'admin_state_up': _format_admin_state,
+    'external_gateway_info': _format_external_gateway_info,
+}
+
+
+class ListRouter(lister.Lister):
+    """List routers"""
+
+    log = logging.getLogger(__name__ + '.ListRouter')
+
+    def get_parser(self, prog_name):
+        parser = super(ListRouter, self).get_parser(prog_name)
+        parser.add_argument(
+            '--long',
+            action='store_true',
+            default=False,
+            help='List additional fields in output',
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        self.log.debug('take_action(%s)' % parsed_args)
+        client = self.app.client_manager.network
+
+        columns = (
+            'id',
+            'name',
+            'status',
+            'admin_state_up',
+            'distributed',
+            'ha',
+            'tenant_id',
+        )
+        column_headers = (
+            'ID',
+            'Name',
+            'Status',
+            'State',
+            'Distributed',
+            'HA',
+            'Project',
+        )
+        if parsed_args.long:
+            columns = columns + (
+                'routes',
+                'external_gateway_info',
+            )
+            column_headers = column_headers + (
+                'Routes',
+                'External gateway info',
+            )
+
+        data = client.routers()
+        return (column_headers,
+                (utils.get_item_properties(
+                    s, columns,
+                    formatters=_formatters,
+                ) for s in data))