Fix column names for server list --no-name-lookup

When --long is not present change the 'Image Name' column to
'Image' and add the 'Flavor' column.  These columns will contain
Names unless --no-name-lookup is specified when they will contain IDs.

Change-Id: I92cfb22136aee32616894e60e9227b4da185da99

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

@@ -330,7 +330,7 @@ List servers
         [--all-projects]
         [--project <project> [--project-domain <project-domain>]]
         [--long]
-        [-n | --no-name-lookup]
+        [--no-name-lookup | -n]
         [--marker <server>]
         [--limit <num-servers>]
         [--deleted]
@@ -402,6 +402,8 @@ List servers
 
     Skips image and flavor names lookup
 
+    ``-n`` may be used as an alias for this option.
+
 .. option:: --marker <server>
 
     The last server of the previous page. Display list of servers

openstackclient/compute/v2/server.py

@@ -1060,26 +1060,33 @@ 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 = (
+            if parsed_args.no_name_lookup:
+                columns = (
+                    'ID',
+                    'Name',
+                    'Status',
+                    'Networks',
+                    'Image ID',
+                    'Flavor ID',
+                )
+            else:
+                columns = (
+                    'ID',
+                    'Name',
+                    'Status',
+                    'Networks',
+                    'Image Name',
+                    'Flavor Name',
+                )
+            column_headers = (
                 'ID',
                 'Name',
                 'Status',
                 'Networks',
-                'Image Name',
+                'Image',
+                'Flavor',
             )
-            column_headers = tuple(columns)
             mixed_case_fields = []
 
         marker_id = None

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

@@ -1441,7 +1441,8 @@ class TestServerList(TestServer):
         'Name',
         'Status',
         'Networks',
-        'Image Name',
+        'Image',
+        'Flavor',
     )
     columns_long = (
         'ID',
@@ -1459,14 +1460,6 @@ class TestServerList(TestServer):
         'Properties',
     )
 
-    columns_no_name_lookup = (
-        'ID',
-        'Name',
-        'Status',
-        'Image ID',
-        'Flavor ID',
-    )
-
     def setUp(self):
         super(TestServerList, self).setUp()
 
@@ -1546,6 +1539,7 @@ class TestServerList(TestServer):
                 s.status,
                 server._format_servers_list_networks(s.networks),
                 self.image.name,
+                self.flavor.name,
             ))
             self.data_long.append((
                 s.id,
@@ -1568,6 +1562,7 @@ class TestServerList(TestServer):
                 s.id,
                 s.name,
                 s.status,
+                server._format_servers_list_networks(s.networks),
                 s.image['id'],
                 s.flavor['id']
             ))
@@ -1616,7 +1611,7 @@ class TestServerList(TestServer):
         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(self.columns, columns)
         self.assertEqual(tuple(self.data_no_name_lookup), tuple(data))
 
     def test_server_list_n_option(self):
@@ -1632,7 +1627,7 @@ class TestServerList(TestServer):
         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(self.columns, columns)
         self.assertEqual(tuple(self.data_no_name_lookup), tuple(data))
 
     def test_server_list_with_image(self):

releasenotes/notes/skip-name-lookups-9f499927173c1eee.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Add ``--no-name-lookup`` option to ``server list`` command to skip the lookup of
+    flavor and image names.  This can save a significant amount of time on clouds with
+    a large number of images.  ``-n`` is an alias for this option.