72 lines
2.0 KiB
Python
72 lines
2.0 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 New Dream Network, LLC (DreamHost)
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#
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# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Common code for working with instances
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"""
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INSTANCE_PROPERTIES = [
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# Identity properties
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'display_name',
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'reservation_id',
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# Type properties
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'architecture',
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# Location properties
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'availability_zone',
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# Image properties
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'image_ref',
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'image_ref_url',
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'kernel_id',
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'os_type',
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'ramdisk_id',
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# Capacity properties
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'disk_gb',
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'ephemeral_gb',
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'memory_mb',
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'root_gb',
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'vcpus',
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]
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def get_metadata_from_event(body):
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"""Return a metadata dictionary for the instance mentioned in the
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notification event.
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"""
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instance = body['payload']
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metadata = {
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'event_type': body['event_type'],
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'instance_type': instance['instance_type_id'],
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'host': body['publisher_id'],
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}
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for name in INSTANCE_PROPERTIES:
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metadata[name] = instance.get(name, u'')
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return metadata
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def get_metadata_from_dbobject(instance):
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"""Return a metadata dictionary for the instance.
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"""
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metadata = {
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'display_name': instance.display_name,
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'instance_type': (instance.instance_type.flavorid
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if instance.instance_type
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else None),
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'host': instance.host,
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}
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for name in INSTANCE_PROPERTIES:
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metadata[name] = instance.get(name, u'')
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return metadata
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