Merge "Add server list -n and --no-name-lookup arguments"

doc/source/cli/command-objects/server.rst

@@ -330,6 +330,7 @@ List servers
         [--all-projects]
         [--project <project> [--project-domain <project-domain>]]
         [--long]
+        [-n | --no-name-lookup]
         [--marker <server>]
         [--limit <num-servers>]
         [--deleted]
@@ -397,6 +398,10 @@ List servers
 
     List additional fields in output
 
+.. option:: --no-name-lookup
+
+    Skips image and flavor names lookup
+
 .. option:: --marker <server>
 
     The last server of the previous page. Display list of servers

openstackclient/compute/v2/server.py

@@ -921,6 +921,12 @@ class ListServer(command.Lister):
             default=False,
             help=_('List additional fields in output'),
         )
+        parser.add_argument(
+            '-n', '--no-name-lookup',
+            action='store_true',
+            default=False,
+            help=_('Skip flavor and image name lookup.'),
+        )
         parser.add_argument(
             '--marker',
             metavar='<server>',
@@ -1054,6 +1060,17 @@ class ListServer(command.Lister):
                 'OS-EXT-AZ:availability_zone',
                 'OS-EXT-SRV-ATTR:host',
             ]
+        elif parsed_args.no_name_lookup:
+            columns = (
+                'ID',
+                'Name',
+                'Status',
+                'Image ID',
+                'Flavor ID',
+            )
+            column_headers = tuple(columns)
+            mixed_case_fields = []
+
         else:
             columns = (
                 'ID',
@@ -1062,13 +1079,7 @@ class ListServer(command.Lister):
                 'Networks',
                 'Image Name',
             )
-            column_headers = (
-                'ID',
-                'Name',
-                'Status',
-                'Networks',
-                'Image Name',
-            )
+            column_headers = tuple(columns)
             mixed_case_fields = []
 
         marker_id = None
@@ -1084,23 +1095,25 @@ class ListServer(command.Lister):
         # Create a dict that maps image_id to image object.
         # Needed so that we can display the "Image Name" column.
         # "Image Name" is not crucial, so we swallow any exceptions.
-        try:
-            images_list = self.app.client_manager.image.images.list()
-            for i in images_list:
-                images[i.id] = i
-        except Exception:
-            pass
+        if not parsed_args.no_name_lookup:
+            try:
+                images_list = self.app.client_manager.image.images.list()
+                for i in images_list:
+                    images[i.id] = i
+            except Exception:
+                pass
 
         flavors = {}
         # Create a dict that maps flavor_id to flavor object.
         # Needed so that we can display the "Flavor Name" column.
         # "Flavor Name" is not crucial, so we swallow any exceptions.
-        try:
-            flavors_list = compute_client.flavors.list()
-            for i in flavors_list:
-                flavors[i.id] = i
-        except Exception:
-            pass
+        if not parsed_args.no_name_lookup:
+            try:
+                flavors_list = compute_client.flavors.list()
+                for i in flavors_list:
+                    flavors[i.id] = i
+            except Exception:
+                pass
 
         # Populate image_name, image_id, flavor_name and flavor_id attributes
         # of server objects so that we can display those columns.

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

@@ -395,6 +395,8 @@ class TestServerCreate(TestServer):
 
         self.assertEqual(self.columns, columns)
         self.assertEqual(self.datalist(), data)
+        self.assertFalse(self.images_mock.called)
+        self.assertFalse(self.flavors_mock.called)
 
     def test_server_create_with_options(self):
         arglist = [
@@ -1457,6 +1459,14 @@ class TestServerList(TestServer):
         'Properties',
     )
 
+    columns_no_name_lookup = (
+        'ID',
+        'Name',
+        'Status',
+        'Image ID',
+        'Flavor ID',
+    )
+
     def setUp(self):
         super(TestServerList, self).setUp()
 
@@ -1515,6 +1525,7 @@ class TestServerList(TestServer):
         # Prepare data returned by fake Nova API.
         self.data = []
         self.data_long = []
+        self.data_no_name_lookup = []
 
         Image = collections.namedtuple('Image', 'id name')
         self.images_mock.list.return_value = [
@@ -1553,6 +1564,13 @@ class TestServerList(TestServer):
                 getattr(s, 'OS-EXT-SRV-ATTR:host'),
                 s.Metadata,
             ))
+            self.data_no_name_lookup.append((
+                s.id,
+                s.name,
+                s.status,
+                s.image['id'],
+                s.flavor['id']
+            ))
 
     def test_server_list_no_option(self):
         arglist = []
@@ -1585,6 +1603,38 @@ class TestServerList(TestServer):
         self.assertEqual(self.columns_long, columns)
         self.assertEqual(tuple(self.data_long), tuple(data))
 
+    def test_server_list_no_name_lookup_option(self):
+        arglist = [
+            '--no-name-lookup',
+        ]
+        verifylist = [
+            ('all_projects', False),
+            ('no_name_lookup', True),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        columns, data = self.cmd.take_action(parsed_args)
+
+        self.servers_mock.list.assert_called_with(**self.kwargs)
+        self.assertEqual(self.columns_no_name_lookup, columns)
+        self.assertEqual(tuple(self.data_no_name_lookup), tuple(data))
+
+    def test_server_list_n_option(self):
+        arglist = [
+            '-n',
+        ]
+        verifylist = [
+            ('all_projects', False),
+            ('no_name_lookup', True),
+        ]
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        columns, data = self.cmd.take_action(parsed_args)
+
+        self.servers_mock.list.assert_called_with(**self.kwargs)
+        self.assertEqual(self.columns_no_name_lookup, columns)
+        self.assertEqual(tuple(self.data_no_name_lookup), tuple(data))
+
     def test_server_list_with_image(self):
 
         arglist = [