monitor: instances per template

circle/manager/mancelery.py

@@ -79,7 +79,13 @@ celery.conf.update(
         },
         },
         'monitor.check_celery_queues': {
         'monitor.check_celery_queues': {
             'task': 'monitor.tasks.local_periodic_tasks.'
             'task': 'monitor.tasks.local_periodic_tasks.'
-                    'check_celeries',
+                    'check_celery_queues',
+            'schedule': timedelta(seconds=5),
+            'options': {'queue': 'localhost.man'}
+        },
+        'monitor.instance_per_template': {
+            'task': 'monitor.tasks.local_periodic_tasks.'
+                    'instance_per_template',
             'schedule': timedelta(seconds=5),
             'schedule': timedelta(seconds=5),
             'options': {'queue': 'localhost.man'}
             'options': {'queue': 'localhost.man'}
         },
         },

circle/monitor/tasks/local_periodic_tasks.py

@@ -23,7 +23,7 @@ from django.conf import settings
 from manager.mancelery import celery
 from manager.mancelery import celery
 
 
 from vm.tasks.vm_tasks import check_queue
 from vm.tasks.vm_tasks import check_queue
-from vm.models import Node
+from vm.models import Node, InstanceTemplate
 from storage.models import DataStore
 from storage.models import DataStore
 from monitor.client import Client
 from monitor.client import Client
 
 
@@ -68,3 +68,22 @@ def check_celery_queues():
                                            "vm-" + s, is_queue_alive, time()))
                                            "vm-" + s, is_queue_alive, time()))
 
 
     Client().send(metrics)
     Client().send(metrics)
+
+
+@celery.task(ignore_result=True)
+def instance_per_template():
+    graphite_string = lambda pk, state, val, time: (
+        "template.%d.instances.%s %d %s" % (
+            pk, state, val, time)
+    )
+
+    metrics = []
+    for t in InstanceTemplate.objects.all():
+        base = t.instance_set.filter(destroyed_at=None)
+        running = base.filter(status="RUNNING").count()
+        not_running = base.exclude(status="RUNNING").count()
+        metrics.append(graphite_string(t.pk, "running", running, time()))
+        metrics.append(graphite_string(t.pk, "not_running", not_running,
+                                       time()))
+
+    Client().send(metrics)