Add option to filter instances by AZ

Since nova API microversion 2.83 it is possible for users to filter
instances by AZ. However even before that this functionality was available
for admin role.

Change-Id: Ife4c8e81aad2ff1dde50d9f23913d9dd9397b00c

Author: Dmitriy Rabotyagov

openstackclient/compute/v2/server.py

@@ -1365,6 +1365,13 @@ class ListServer(command.Lister):
 
     def get_parser(self, prog_name):
         parser = super(ListServer, self).get_parser(prog_name)
+        parser.add_argument(
+            '--availability-zone',
+            metavar='<availability-zone>',
+            help=_('Only return instances that match the availability zone. '
+                   'Note that this option will be ignored for non-admin users '
+                   'when using ``--os-compute-api-version`` prior to 2.83.'),
+        )
         parser.add_argument(
             '--reservation-id',
             metavar='<reservation-id>',
@@ -1574,6 +1581,7 @@ def take_action(self, parsed_args):
                                                ignore_missing=False).id
 
         search_opts = {
+            'availability_zone': parsed_args.availability_zone,
             'reservation_id': parsed_args.reservation_id,
             'ip': parsed_args.ip,
             'ip6': parsed_args.ip6,

openstackclient/tests/unit/compute/v2/test_server.py

@@ -2962,6 +2962,7 @@ def setUp(self):
         super(TestServerList, self).setUp()
 
         self.search_opts = {
+            'availability_zone': None,
             'reservation_id': None,
             'ip': None,
             'ip6': None,