77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
# Copyright 2016 Internap.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_log import log as logging
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from almanach.collector.handlers import base_handler
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from almanach.core import exception
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LOG = logging.getLogger(__name__)
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class InstanceHandler(base_handler.BaseHandler):
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def __init__(self, controller):
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super(InstanceHandler, self).__init__()
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self.controller = controller
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def handle_events(self, notification):
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if notification.event_type == "compute.instance.create.end":
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self._on_instance_created(notification)
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elif notification.event_type == "compute.instance.delete.end":
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self._on_instance_deleted(notification)
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elif notification.event_type == "compute.instance.resize.confirm.end":
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self._on_instance_resized(notification)
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elif notification.event_type == "compute.instance.rebuild.end":
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self._on_instance_rebuilt(notification)
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def _on_instance_created(self, notification):
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self.controller.create_instance(
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instance_id=notification.payload.get("instance_id"),
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tenant_id=notification.payload.get("tenant_id"),
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create_date=notification.payload.get("created_at"),
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name=notification.payload.get("hostname"),
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flavor=notification.payload.get("instance_type"),
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image_meta=notification.payload.get("image_meta"),
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metadata=notification.payload.get("metadata"),
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)
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def _on_instance_deleted(self, notification):
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date = notification.payload.get("terminated_at")
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instance_id = notification.payload.get("instance_id")
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try:
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self.controller.delete_instance(instance_id, date)
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except exception.EntityNotFoundException as e:
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if notification.payload.get('state') == 'error':
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LOG.info('Instance deletion event ignored because instance %s was badly created',
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instance_id)
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else:
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raise e
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def _on_instance_resized(self, notification):
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date = notification.context.get("timestamp")
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flavor = notification.payload.get("instance_type")
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instance_id = notification.payload.get("instance_id")
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self.controller.resize_instance(instance_id, flavor, date)
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def _on_instance_rebuilt(self, notification):
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date = notification.context.get("timestamp")
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instance_id = notification.payload.get("instance_id")
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self.controller.rebuild_instance(
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instance_id=instance_id,
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rebuild_date=date,
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image_meta=notification.payload.get("image_meta")
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)
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