54 lines
2.2 KiB
Python
54 lines
2.2 KiB
Python
from orchestra.contrib.orchestration import Operation
|
|
from orchestra.contrib.tasks import task
|
|
from orchestra.models.utils import get_model_field_path
|
|
from orchestra.utils.sys import LockFile
|
|
|
|
from .backends import ServiceMonitor
|
|
|
|
|
|
@task(name='resources.Monitor')
|
|
def monitor(resource_id, ids=None, async=True):
|
|
with LockFile('/dev/shm/resources.monitor-%i.lock' % resource_id, expire=60*60):
|
|
from .models import ResourceData, Resource
|
|
resource = Resource.objects.get(pk=resource_id)
|
|
resource_model = resource.content_type.model_class()
|
|
logs = []
|
|
# Execute monitors
|
|
for monitor_name in resource.monitors:
|
|
backend = ServiceMonitor.get_backend(monitor_name)
|
|
model = backend.model_class()
|
|
kwargs = {}
|
|
if ids:
|
|
path = get_model_field_path(model, resource_model)
|
|
path = '%s__in' % ('__'.join(path) or 'id')
|
|
kwargs = {
|
|
path: ids
|
|
}
|
|
# Execute monitor
|
|
monitorings = []
|
|
for obj in model.objects.filter(**kwargs):
|
|
op = Operation(backend, obj, Operation.MONITOR)
|
|
monitorings.append(op)
|
|
# TODO async=True only when running with celery
|
|
# monitor.request.id
|
|
logs += Operation.execute(monitorings, async=async)
|
|
|
|
kwargs = {'id__in': ids} if ids else {}
|
|
# Update used resources and trigger resource exceeded and revovery
|
|
triggers = []
|
|
model = resource.content_type.model_class()
|
|
for obj in model.objects.filter(**kwargs):
|
|
data, __ = ResourceData.get_or_create(obj, resource)
|
|
data.update()
|
|
if not resource.disable_trigger:
|
|
a = data.used
|
|
b = data.allocated
|
|
if data.used > (data.allocated or 0):
|
|
op = Operation(backend, obj, Operation.EXCEEDED)
|
|
triggers.append(op)
|
|
elif data.used < (data.allocated or 0):
|
|
op = Operation(backend, obj, Operation.RECOVERY)
|
|
triggers.append(op)
|
|
Operation.execute(triggers)
|
|
return logs
|