Add OSC plugin for openstack cluster event show

This change implements the "openstack cluster event show" command
  Based on the existing senlin command: senlin event-show

Change-Id: I405c55d6eadb2e6fa0535388604f114d04b17eec
Blueprint: senlin-support-python-openstackclient

senlinclient/osc/v1/event.py

@@ -13,8 +13,12 @@
 """Clustering v1 event action implementations"""
 
 import logging
+import six
 
 from cliff import lister
+from cliff import show
+from openstack import exceptions as sdk_exc
+from openstackclient.common import exceptions as exc
 from openstackclient.common import utils
 
 from senlinclient.common.i18n import _
@@ -100,3 +104,30 @@ class ListEvent(lister.Lister):
             (utils.get_item_properties(e, columns, formatters=formatters)
              for e in events)
         )
+
+
+class ShowEvent(show.ShowOne):
+    """Describe the event."""
+
+    log = logging.getLogger(__name__ + ".ShowEvent")
+
+    def get_parser(self, prog_name):
+        parser = super(ShowEvent, self).get_parser(prog_name)
+        parser.add_argument(
+            'event',
+            metavar='<event>',
+            help=_('ID of event to display details for')
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        self.log.debug("take_action(%s)", parsed_args)
+
+        senlin_client = self.app.client_manager.clustering
+        try:
+            event = senlin_client.get_event(parsed_args.event)
+        except sdk_exc.ResourceNotFound:
+            raise exc.CommandError(_("Event not found: %s")
+                                   % parsed_args.event)
+        columns = list(six.iterkeys(event))
+        return columns, utils.get_dict_properties(event.to_dict(), columns)

senlinclient/tests/unit/osc/v1/test_event.py

@@ -15,6 +15,7 @@ import mock
 
 from openstack.cluster.v1 import event as sdk_event
 from openstack import exceptions as sdk_exc
+from openstackclient.common import exceptions as exc
 
 from senlinclient.osc.v1 import event as osc_event
 from senlinclient.tests.unit.osc.v1 import fakes
@@ -132,3 +133,40 @@ class TestEventList(TestEvent):
         columns, data = self.cmd.take_action(parsed_args)
         self.mock_client.events.assert_called_with(**kwargs)
         self.assertEqual(self.columns, columns)
+
+
+class TestEventShow(TestEvent):
+    get_response = {"event": {
+        "action": "create",
+        "cluster_id": 'null',
+        "id": "2d255b9c-8f36-41a2-a137-c0175ccc29c3",
+        "level": "20",
+        "obj_id": "0df0931b-e251-4f2e-8719-4ebfda3627ba",
+        "obj_name": "node009",
+        "obj_type": "NODE",
+        "project": "6e18cc2bdbeb48a5b3cad2dc499f6804",
+        "status": "CREATING",
+        "status_reason": "Initializing",
+        "timestamp": "2015-03-05T08:53:15",
+        "user": "a21ded6060534d99840658a777c2af5a"
+    }}
+
+    def setUp(self):
+        super(TestEventShow, self).setUp()
+        self.cmd = osc_event.ShowEvent(self.app, None)
+        self.mock_client.get_event = mock.Mock(
+            return_value=sdk_event.Event(None, self.get_response))
+
+    def test_event_show(self):
+        arglist = ['my_event']
+        parsed_args = self.check_parser(self.cmd, arglist, [])
+        self.cmd.take_action(parsed_args)
+        self.mock_client.get_event.assert_called_with('my_event')
+
+    def test_event_show_not_found(self):
+        arglist = ['my_event']
+        parsed_args = self.check_parser(self.cmd, arglist, [])
+        self.mock_client.get_event.side_effect = sdk_exc.ResourceNotFound()
+        error = self.assertRaises(exc.CommandError, self.cmd.take_action,
+                                  parsed_args)
+        self.assertEqual('Event not found: my_event', str(error))

setup.cfg

@@ -33,6 +33,7 @@ openstack.clustering.v1 =
     cluster_create = senlinclient.osc.v1.cluster:CreateCluster
     cluster_delete = senlinclient.osc.v1.cluster:DeleteCluster
     cluster_event_list = senlinclient.osc.v1.event:ListEvent
+    cluster_event_show = senlinclient.osc.v1.event:ShowEvent
     cluster_list = senlinclient.osc.v1.cluster:ListCluster
     cluster_resize = senlinclient.osc.v1.cluster:ResizeCluster
     cluster_scale_in = senlinclient.osc.v1.cluster:ScaleInCluster