compute: Add 'Security Groups' for 'server list'

Add a column with security groups name for
--long option on server list.

Change-Id: I7062f224e18c3c8ac96a06d7ce97f9fab473bdb9

openstackclient/compute/v2/server.py

@@ -2455,6 +2455,9 @@ class ListServer(command.Lister):
                 if c in ('Created At', 'created_at'):
                     columns += ('created',)
                     column_headers += ('Created At',)
+                if c in ('Security Groups', 'security_groups'):
+                    columns += ('security_groups_name',)
+                    column_headers += ('Security Groups',)
 
             # convert back to tuple
             column_headers = tuple(column_headers)
@@ -2559,6 +2562,13 @@ class ListServer(command.Lister):
             else:
                 s.flavor_name = s.flavor['original_name']
 
+        # Add a list with security group name as attribute
+        for s in data:
+            if hasattr(s, 'security_groups'):
+                s.security_groups_name = [x["name"] for x in s.security_groups]
+            else:
+                s.security_groups_name = []
+
         table = (
             column_headers,
             (
@@ -2574,6 +2584,7 @@ class ListServer(command.Lister):
                         'OS-EXT-STS:power_state': PowerStateColumn,
                         'networks': format_columns.DictListColumn,
                         'metadata': format_columns.DictColumn,
+                        'security_groups_name': format_columns.ListColumn,
                     },
                 ) for s in data
             ),

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

@@ -4485,6 +4485,7 @@ class TestServerList(_TestServerList):
             '-c', 'Project ID',
             '-c', 'User ID',
             '-c', 'Created At',
+            '-c', 'Security Groups',
             '--long'
         ]
         verifylist = [
@@ -4498,6 +4499,7 @@ class TestServerList(_TestServerList):
         self.assertIn('Project ID', columns)
         self.assertIn('User ID', columns)
         self.assertIn('Created At', columns)
+        self.assertIn('Security Groups', columns)
 
     def test_server_list_no_name_lookup_option(self):
         self.data = tuple(