Merge "api: return 404 if a alarm is not found"

ceilometer/api/controllers/v2.py

@@ -76,6 +76,15 @@ state_kind = ["ok", "alarm", "insufficient data"]
 operation_kind = wtypes.Enum(str, 'lt', 'le', 'eq', 'ne', 'ge', 'gt')
 
 
+class EntityNotFound(Exception):
+    code = 404
+
+    def __init__(self, entity, id):
+        super(EntityNotFound, self).__init__(
+            _("%(entity)s %(id)s Not Found") % {'entity': entity,
+                                                'id': id})
+
+
 class BoundedInt(wtypes.UserType):
     basetype = int
     name = 'bounded int'
@@ -869,14 +878,6 @@ class Resource(_Base):
                    )
 
 
-class ResourceNotFound(Exception):
-    code = 404
-
-    def __init__(self, id):
-        super(ResourceNotFound, self).__init__(
-            _("Resource %s Not Found") % id)
-
-
 class ResourcesController(rest.RestController):
     """Works on resources."""
 
@@ -900,7 +901,7 @@ class ResourcesController(rest.RestController):
         resources = list(pecan.request.storage_conn.get_resources(
             resource=resource_id, project=authorized_project))
         if not resources:
-            raise ResourceNotFound(resource_id)
+            raise EntityNotFound(_('Resource'), resource_id)
         return Resource.from_db_and_links(resources[0],
                                           self._resource_links(resource_id))
 
@@ -1232,12 +1233,8 @@ class AlarmController(rest.RestController):
         auth_project = acl.get_limited_to_project(pecan.request.headers)
         alarms = list(self.conn.get_alarms(alarm_id=self._id,
                                            project=auth_project))
-        # FIXME (flwang): Need to change this to return a 404 error code when
-        # we get a release of WSME that supports it.
         if len(alarms) < 1:
-            error = _("Unknown alarm")
-            pecan.response.translatable_error = error
-            raise wsme.exc.ClientSideError(unicode(error))
+            raise EntityNotFound(_('Alarm'), self._id)
         return alarms[0]
 
     def _record_change(self, data, now, on_behalf_of=None, type=None):

tests/api/v2/test_alarm_scenarios.py

@@ -167,6 +167,13 @@ class TestAlarms(FunctionalTest,
                              for r in data if 'combination_rule' in r),
                          set(['or']))
 
+    def test_get_not_existing_alarm(self):
+        resp = self.get_json('/alarms/alarm-id-3', expect_errors=True)
+        self.assertEqual(resp.status_code, 404)
+        self.assertEqual(jsonutils.loads(resp.body)['error_message']
+                         ['faultstring'],
+                         "Alarm alarm-id-3 Not Found")
+
     def test_get_alarm(self):
         alarms = self.get_json('/alarms',
                                q=[{'field': 'name',

tests/api/v2/test_app.py

@@ -132,7 +132,7 @@ class TestApiMiddleware(FunctionalTest):
         # Ensure translated messages get placed properly into json faults
         self.stubs.Set(gettextutils, 'get_localized_message',
                        self._fake_get_localized_message)
-        response = self.get_json('/alarms/-',
+        response = self.post_json('/alarms', params={},
                                   expect_errors=True,
                                   headers={"Accept":
                                            "application/json"}
@@ -167,7 +167,7 @@ class TestApiMiddleware(FunctionalTest):
         self.stubs.Set(gettextutils, 'get_localized_message',
                        self._fake_get_localized_message)
 
-        response = self.get_json('/alarms/-',
+        response = self.post_json('/alarms', params={},
                                   expect_errors=True,
                                   headers={"Accept":
                                            "application/xml,*/*"}
@@ -184,7 +184,7 @@ class TestApiMiddleware(FunctionalTest):
         self.stubs.Set(gettextutils, 'get_localized_message',
                        self._fake_get_localized_message)
 
-        response = self.get_json('/alarms/-',
+        response = self.post_json('/alarms', params={},
                                   expect_errors=True,
                                   headers={"Accept":
                                            "application/xml,*/*",