add alarm show backend

Change-Id: Ia675c6d74ec947729d4520007eac1423cdf58ce9
Implements: blueprint add-alarm-show-api

releasenotes/notes/add_alarm_show_api-0b001dd185e2e523.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Created a new API to show all alarm properties, with a mandatory parameter
+    vitrage_id of the alarm. The path for the api is ``/v1/alarm/_id_``.

vitrage/api/controllers/v1/alarm.py

@@ -35,11 +35,9 @@ class AlarmsController(RootRestController):
     count = count.CountsController()
 
     @pecan.expose('json')
-    def index(self, vitrage_id, all_tenants=False):
+    def get_all(self, **kwargs):
-        return self.get(vitrage_id, all_tenants)
+        vitrage_id = kwargs.get('vitrage_id')
-
+        all_tenants = kwargs.get('all_tenants', False)
-    @pecan.expose('json')
-    def get(self, vitrage_id, all_tenants=False):
         all_tenants = bool_from_string(all_tenants)
         if all_tenants:
             enforce("list alarms:all_tenants", pecan.request.headers,
@@ -73,3 +71,35 @@ class AlarmsController(RootRestController):
             to_unicode = encodeutils.exception_to_unicode(e)
             LOG.exception('failed to open file %s ', to_unicode)
             abort(404, to_unicode)
+
+    @pecan.expose('json')
+    def get(self, vitrage_id):
+        enforce("get alarm",
+                pecan.request.headers,
+                pecan.request.enforcer,
+                {})
+
+        LOG.info('returns show alarm with vitrage id %s', vitrage_id)
+
+        try:
+            return self._show_alarm(vitrage_id)
+        except Exception as e:
+            to_unicode = encodeutils.exception_to_unicode(e)
+            LOG.exception('failed to load json %s ', to_unicode)
+            abort(404, to_unicode)
+
+    @staticmethod
+    def _show_alarm(vitrage_id):
+        alarm_json = pecan.request.client.call(pecan.request.context,
+                                               'show_alarm',
+                                               vitrage_id=vitrage_id)
+        LOG.info(alarm_json)
+
+        try:
+            alarms_list = json.loads(alarm_json)
+            return alarms_list
+
+        except Exception as e:
+            to_unicode = encodeutils.exception_to_unicode(e)
+            LOG.exception('failed to load json %s ', to_unicode)
+            abort(404, to_unicode)

vitrage/api_handler/apis/alarm.py

@@ -19,7 +19,7 @@ from osprofiler import profiler
 from vitrage.api_handler.apis.base import ALARM_QUERY
 from vitrage.api_handler.apis.base import ALARMS_ALL_QUERY
 from vitrage.api_handler.apis.base import EntityGraphApisBase
-from vitrage.common.constants import EntityCategory
+from vitrage.common.constants import EntityCategory as ECategory
 from vitrage.common.constants import VertexProperties as VProps
 from vitrage.entity_graph.mappings.operational_alarm_severity import \
     OperationalAlarmSeverity
@@ -53,13 +53,30 @@ class AlarmApis(EntityGraphApisBase):
                                                         is_admin_project)
                 alarms = set(alarms)
         else:
-            query = {VProps.VITRAGE_CATEGORY: EntityCategory.ALARM,
+            query = {VProps.VITRAGE_CATEGORY: ECategory.ALARM,
                      VProps.VITRAGE_IS_DELETED: False}
             alarms = self.entity_graph.neighbors(vitrage_id,
                                                  vertex_attr_filter=query)
 
         return json.dumps({'alarms': [v.properties for v in alarms]})
 
+    def show_alarm(self, ctx, vitrage_id):
+        LOG.debug('Show alarm with vitrage_id: %s', vitrage_id)
+
+        alarm = self.entity_graph.get_vertex(vitrage_id)
+        if not alarm or alarm.get(VProps.VITRAGE_CATEGORY) != ECategory.ALARM:
+            LOG.warning('Alarm show - not found (%s)', vitrage_id)
+            return None
+
+        is_admin = ctx.get(self.IS_ADMIN_PROJECT_PROPERTY, False)
+        curr_project = ctx.get(self.TENANT_PROPERTY, None)
+        alarm_project = alarm.get(VProps.PROJECT_ID)
+        if not is_admin and curr_project != alarm_project:
+            LOG.warning('Authorization failed for alarm (%s)', vitrage_id)
+            return None
+
+        return json.dumps(alarm.properties)
+
     def get_alarm_counts(self, ctx, all_tenants):
         LOG.debug("AlarmApis get_alarm_counts - all_tenants=%s", all_tenants)
 
@@ -99,7 +116,7 @@ class AlarmApis(EntityGraphApisBase):
         :rtype: list
         """
 
-        alarm_query = self._get_query_with_project(EntityCategory.ALARM,
+        alarm_query = self._get_query_with_project(ECategory.ALARM,
                                                    project_id,
                                                    is_admin_project)
         alarms = self.entity_graph.get_vertices(query_dict=alarm_query)
@@ -117,7 +134,7 @@ class AlarmApis(EntityGraphApisBase):
         :rtype: list
         """
 
-        resource_query = self._get_query_with_project(EntityCategory.RESOURCE,
+        resource_query = self._get_query_with_project(ECategory.RESOURCE,
                                                       project_id,
                                                       is_admin_project)
 

vitrage/api_handler/apis/resource.py

@@ -58,23 +58,19 @@ class ResourceApis(EntityGraphApisBase):
                                          for resource in resources]})
 
     def show_resource(self, ctx, vitrage_id):
-        LOG.debug('Show resource with vitrage_id: %s', str(vitrage_id))
-
-        project_id = ctx.get(self.TENANT_PROPERTY, None)
-        is_admin_project = ctx.get(self.IS_ADMIN_PROJECT_PROPERTY, False)
 
+        LOG.debug('Show resource with vitrage_id: %s', vitrage_id)
         resource = self.entity_graph.get_vertex(vitrage_id)
-        if resource:
+        if not resource or resource.get(VProps.VITRAGE_CATEGORY) != \
-            project = resource.get(VProps.PROJECT_ID)
+                EntityCategory.RESOURCE:
-            if is_admin_project:
+            LOG.warning('Resource show - not found (%s)', vitrage_id)
-                return json.dumps(resource.properties)
+            return None
-            else:
+
-                if project and project_id == project:
+        is_admin = ctx.get(self.IS_ADMIN_PROJECT_PROPERTY, False)
-                    return json.dumps(resource.properties)
+        curr_project = ctx.get(self.TENANT_PROPERTY, None)
-            LOG.warning(
+        resource_project = resource.get(VProps.PROJECT_ID)
-                'Have no authority to get resource with vitrage_id(%s)',
+        if not is_admin and curr_project != resource_project:
-                str(vitrage_id))
+            LOG.warning('Authorization failed for resource (%s)', vitrage_id)
-        else:
+            return None
-            LOG.warning('Can not find the resource with vitrage_id(%s)',
+
-                        str(vitrage_id))
+        return json.dumps(resource.properties)
-        return None

vitrage/common/policies/alarms.py

@@ -15,6 +15,17 @@ from oslo_policy import policy
 from vitrage.common.policies import base
 
 rules = [
+    policy.DocumentedRuleDefault(
+        name='get alarm',
+        check_str=base.UNPROTECTED,
+        description='Show the details of specified alarm',
+        operations=[
+            {
+                'path': '/alarm',
+                'method': 'GET'
+            }
+        ]
+    ),
     policy.DocumentedRuleDefault(
         name='list alarms',
         check_str=base.UNPROTECTED,

vitrage/tests/functional/api/v1/test_noauth.py

@@ -67,11 +67,19 @@ class NoAuthTest(FunctionalTest):
         with mock.patch('pecan.request') as request:
             request.client.call.return_value = '{"alarms": []}'
             params = dict(vitrage_id='all', all_tenants=False)
-            resp = self.post_json('/alarm/', params=params)
+            data = self.get_json('/alarm/', params=params)
 
             self.assertEqual(1, request.client.call.call_count)
-            self.assertEqual('200 OK', resp.status)
+            self.assertEqual([], data)
-            self.assertEqual([], resp.json)
+
+    def test_noauth_mode_show_alarm(self):
+
+        with mock.patch('pecan.request') as request:
+            request.client.call.return_value = '{}'
+            data = self.get_json('/alarm/1234')
+
+            self.assertEqual(1, request.client.call.call_count)
+            self.assertEqual({}, data)
 
     def test_noauth_mode_show_alarm_count(self):
         with mock.patch('pecan.request') as request:
@@ -97,8 +105,7 @@ class NoAuthTest(FunctionalTest):
 
         with mock.patch('pecan.request') as request:
             request.client.call.return_value = '{}'
-            params = dict(resource_type='all', all_tenants=False)
+            data = self.get_json('/resources/1234')
-            data = self.get_json('/resources/1234', params=params)
 
             self.assertEqual(1, request.client.call.call_count)
             self.assertEqual({}, data)

vitrage_tempest_tests/tests/api/resources/test_resources.py

@@ -179,7 +179,7 @@ class TestResource(BaseVitrageTempest):
 
         sorted_cli_resources = sorted(
             json.loads(cli_resources),
-            key=lambda resource: resource["vitrage_id"])
+            key=lambda resource: resource["ID"])
         sorted_api_resources = sorted(
             api_resources,
             key=lambda resource: resource["vitrage_id"])
@@ -190,10 +190,19 @@ class TestResource(BaseVitrageTempest):
 
         for cli_resource, api_resource in \
                 zip(sorted_cli_resources, sorted_api_resources):
-            for item in self.properties:
+
-                self.assertEqual(cli_resource.get(item).lower(),
+            self.assertEqual(
-                                 api_resource.get(item).lower(),
+                cli_resource.get("ID").lower(),
-                                 'for item %s' % item)
+                api_resource.get(VProps.VITRAGE_ID).lower())
+            self.assertEqual(
+                cli_resource.get("Type").lower(),
+                api_resource.get(VProps.VITRAGE_TYPE).lower())
+            self.assertEqual(
+                cli_resource.get("Data Source ID").lower(),
+                api_resource.get(VProps.ID).lower())
+            self.assertEqual(
+                cli_resource.get("State").lower(),
+                api_resource.get(VProps.VITRAGE_OPERATIONAL_STATE).lower())
 
     def _compare_resource_show(self, api_resource_show,
                                cli_resource_show):