Adds CLI command for show policy

Closes-Bug: #1386407
Change-Id: I230b7af1d48eba368c718aef378e725de5234391

congressclient/osc/v1/policy.py

@@ -405,3 +405,24 @@ class ShowPolicyTable(show.ShowOne):
         data = client.show_policy_table(parsed_args.policy_name,
                                         parsed_args.table_id)
         return zip(*sorted(six.iteritems(data)))
+
+
+class ShowPolicy(show.ShowOne):
+    """Show policy properties."""
+
+    log = logging.getLogger(__name__ + '.ShowPolicy')
+
+    def get_parser(self, prog_name):
+        parser = super(ShowPolicy, self).get_parser(prog_name)
+        parser.add_argument(
+            'policy_name',
+            metavar='<policy-name>',
+            help="Name of policy")
+
+        return parser
+
+    def take_action(self, parsed_args):
+        self.log.debug('take_action(%s)' % parsed_args)
+        client = self.app.client_manager.congressclient
+        data = client.show_policy(parsed_args.policy_name)
+        return zip(*sorted(six.iteritems(data)))

congressclient/tests/v1/test_policy.py

@@ -46,6 +46,34 @@ class TestCreatePolicy(common.TestCongressBase):
         self.assertEqual(filtered, result)
 
 
+class TestShowPolicy(common.TestCongressBase):
+    def test_show_policy(self):
+        policy_id = "14f2897a-155a-4c9d-b3de-ef85c0a171d8"
+        policy_name = "test1"
+        arglist = [policy_id]
+        verifylist = [
+            ('policy_name', policy_id),
+        ]
+        response = {"description": "",
+                    "id": policy_id,
+                    "name": policy_name,
+                    "kind": "nonrecursive",
+                    "owner": "system",
+                    "abbreviation": "test1"}
+
+        mocker = mock.Mock(return_value=response)
+        self.app.client_manager.congressclient.show_policy = mocker
+        cmd = policy.ShowPolicy(self.app, self.namespace)
+
+        parsed_args = self.check_parser(cmd, arglist, verifylist)
+        result = list(cmd.take_action(parsed_args))
+        filtered = [('abbreviation', 'description', 'id', 'kind', 'name',
+                     'owner'),
+                    (policy_name, '', policy_id, 'nonrecursive',
+                     policy_name, 'system')]
+        self.assertEqual(filtered, result)
+
+
 class TestDeletePolicy(common.TestCongressBase):
     def test_delete_policy(self):
         policy_id = 'e531f2b3-3d97-42c0-b3b5-b7b6ab532018'

setup.cfg

@@ -30,6 +30,7 @@ openstack.cli.extension =
 openstack.congressclient.v1 =
     congress_policy_create = congressclient.osc.v1.policy:CreatePolicy
     congress_policy_delete = congressclient.osc.v1.policy:DeletePolicy
+    congress_policy_show = congressclient.osc.v1.policy:ShowPolicy
     congress_policy_rule_create = congressclient.osc.v1.policy:CreatePolicyRule
     congress_policy_rule_delete = congressclient.osc.v1.policy:DeletePolicyRule
     congress_policy_rule_show = congressclient.osc.v1.policy:ShowPolicyRule