Change smoke tests to work with Alarmed Metric changes

Use Alarm Definitions and wait for Threshold Engine to create the
Alarm. Improved the purpose comment

Change-Id: Id6635197cbb2960540e510dd82b85633c8a2afba

tests/cli_wrapper.py

@@ -16,15 +16,15 @@ def find_obj_for_name(object_json, name):
     return None
 
 
-def find_alarm_by_name(alarm_name):
+def find_alarm_definition_by_name(name):
-    alarm_json = run_mon_cli(['alarm-list'])
+    alarm_json = run_mon_cli(['alarm-definition-list'])
-    return find_obj_for_name(alarm_json, alarm_name)
+    return find_obj_for_name(alarm_json, name)
 
 
-def delete_alarm_if_exists(alarm_name):
+def delete_alarm_definition_if_exists(name):
-    alarm_json = find_alarm_by_name(alarm_name)
+    alarm_json = find_alarm_definition_by_name(name)
     if alarm_json:
-        run_mon_cli(['alarm-delete', alarm_json['id']], useJson=False)
+        run_mon_cli(['alarm-definition-delete', alarm_json['id']], useJson=False)
 
 
 def delete_notification_if_exists(notification_name):
@@ -64,24 +64,24 @@ def get_alarm_state(alarm_id):
     return result_json['state']
 
 
-def patch_alarm(alarm_id, what, value):
-    result_json = run_mon_cli(['alarm-patch', what, value, alarm_id])
-    return result_json
-
-
 def change_alarm_state(alarm_id, new_state):
     print('Changing Alarm state to %s' % new_state)
-    result_json = patch_alarm(alarm_id, '--state', new_state)
+    result_json = run_mon_cli(['alarm-patch', alarm_id, new_state])
     if result_json['state'] != new_state:
         print('Alarm patch failed, expected state of %s but was %s' %
               (result_json['state'], new_state), file=sys.stderr)
         return 1
 
 
-def create_alarm(name, expression, description=None, ok_notif_id=None,
+def find_alarms_for_definition(alarm_definition_id):
+    result_json = run_mon_cli(['alarm-list', "--alarm-definition", alarm_definition_id])
+    return [alarm['id'] for alarm in result_json]
+    
+    
+def create_alarm_definition(name, expression, description=None, ok_notif_id=None,
                             alarm_notif_id=None,
                             undetermined_notif_id=None):
-    args = ['alarm-create']
+    args = ['alarm-definition-create']
     add_argument_if_given(args, '--description', description)
     add_argument_if_given(args, '--alarm-actions', alarm_notif_id)
     add_argument_if_given(args, '--ok-actions', ok_notif_id)
@@ -89,12 +89,11 @@ def create_alarm(name, expression, description=None, ok_notif_id=None,
                           undetermined_notif_id)
     args.append(name)
     args.append(expression)
-    print('Creating alarm')
+    print('Creating alarm definition')
     result_json = run_mon_cli(args)
 
     # Parse out id
-    alarm_id = result_json['id']
+    return result_json['id']
-    return alarm_id
 
 
 def add_argument_if_given(args, arg, value):

tests/smoke.py

@@ -1,16 +1,25 @@
 #!/usr/bin/env python
 #
 """smoke
-    Runs a smoke test of the monitoring installation on mini-mon by ensuring
+    Runs a smoke test of the monitoring installation on mini-mon to ensure
-    metrics are flowing and creating a new notification, alarm and that the
+    the components (other than the UI) are functioning. The code tests these
-    Threshold Engine changes the state of the alarm.  This requires the mon
+    components:
-    CLI and must be run on either the mini-mon VM for the single VM mode or
+       1. Agent - ensures metrics are being sent to API
+       2. API - ensures alarm definitions can created, listed, etc. Ensure
+                metrics and alarms can be queried
+       3. CLI - used to talk to the API
+       4. Persister - ensures metrics and alarm history has been persisted
+                      in database because API can query them
+       5. Threshold Engine - ensures alarms are created and change state
+       6. Notification Engine - ensures email notifications are sent to the
+                                local system
+    This must be run on either the mini-mon VM for the single VM mode or
     on the kafka VM in the multi VM mode.
-    Get it by following the instructions on
-    https://wiki.hpcloud.net/display/iaas/Monitoring+CLI.
 
     TODO:
-        1. Add check of notification history when that is implemented
+        1. Add more logic to give ideas of why a particular step failed, for
+           example, alarm did not get created because metrics weren't being
+           received
 """
 
 from __future__ import print_function
@@ -38,8 +47,8 @@ def get_metrics(name, dimensions, since):
                                     dimensions_arg, name, since])
 
 
-def cleanup(notification_name, alarm_name):
+def cleanup(notification_name, alarm_definition_name):
-    cli_wrapper.delete_alarm_if_exists(alarm_name)
+    cli_wrapper.delete_alarm_definition_if_exists(alarm_definition_name)
     cli_wrapper.delete_notification_if_exists(notification_name)
 
 
@@ -96,6 +105,23 @@ def ensure_at_least(actual, desired):
         time.sleep(desired - actual)
 
 
+def wait_for_alarm_creation(alarm_definition_id):
+    print('Waiting for alarm to be created for Alarm Definition %s' % alarm_definition_id)
+    for x in range(0, 30):
+        time.sleep(1)
+        alarms = cli_wrapper.find_alarms_for_definition(alarm_definition_id)
+        if len(alarms) == 1:
+            print('Alarm was created in %d seconds' % x)
+            return alarms[0]
+        elif len(alarms) > 1:
+            print('%d Alarms were created. Only expected 1' % len(alarms),
+                  file=sys.stderr)
+            return None
+    print('Alarm was not created for Alarm Definition %s in %d seconds' % (alarm_definition_id, x),
+          file=sys.stderr)
+    return None
+
+
 def main():
     if not utils.ensure_has_notification_engine():
         return 1
@@ -107,10 +133,10 @@ def main():
 
     notification_name = 'Monasca Smoke Test'
     notification_email_addr = 'root@' + mail_host
-    alarm_name = 'high cpu and load'
+    alarm_definition_name = 'high cpu and load'
     metric_name = 'cpu.load_avg_1_min'
     metric_dimensions = {'hostname': metric_host}
-    cleanup(notification_name, alarm_name)
+    cleanup(notification_name, alarm_definition_name)
 
     # Query how many metrics there are for the Alarm
     hour_ago = datetime.datetime.now() - datetime.timedelta(hours=1)
@@ -131,11 +157,17 @@ def main():
                  'max(cpu.load_avg_1_min{hostname=' + metric_host + '}) > 0'
     description = 'System CPU Utilization exceeds 1% and ' + \
                   'Load exceeds 3 per measurement period'
-    alarm_id = cli_wrapper.create_alarm(alarm_name, expression,
+    alarm_definition_id = cli_wrapper.create_alarm_definition(alarm_definition_name, expression,
                                                               description=description,
                                                               ok_notif_id=notification_id,
                                                               alarm_notif_id=notification_id,
                                                               undetermined_notif_id=notification_id)
+
+    # Wait for an alarm to be created
+    alarm_id = wait_for_alarm_creation(alarm_definition_id)
+    if alarm_id is None:
+        return 1
+
     # Ensure it is created in the right state
     initial_state = 'UNDETERMINED'
     if not utils.check_alarm_state(alarm_id, initial_state):