42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
from celery import shared_task
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from django.db.models.loading import get_model
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from django.utils import timezone
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from orchestra.apps.orchestration.models import BackendOperation as Operation
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from .backends import ServiceMonitor
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from .models import ResourceData, Resource
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@shared_task(name='resources.Monitor')
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def monitor(resource_id):
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resource = Resource.objects.get(pk=resource_id)
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# Execute monitors
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for monitor_name in resource.monitors:
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backend = ServiceMonitor.get_backend(monitor_name)
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model = get_model(*backend.model.split('.'))
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operations = []
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# Execute monitor
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for obj in model.objects.all():
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operations.append(Operation.create(backend, obj, Operation.MONITOR))
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Operation.execute(operations)
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# Update used resources and trigger resource exceeded and revovery
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operations = []
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model = resource.content_type.model_class()
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for obj in model.objects.all():
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data = ResourceData.get_or_create(obj, resource)
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current = data.get_used()
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if not resource.disable_trigger:
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if data.used < data.allocated and current > data.allocated:
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op = Operation.create(backend, obj, Operation.EXCEED)
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operations.append(op)
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elif data.used > data.allocated and current < data.allocated:
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op = Operation.create(backend, obj, Operation.RECOVERY)
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operation.append(op)
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data.used = current or 0
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data.last_update = timezone.now()
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data.save()
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Operation.execute(operations)
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