0e26faeb69
Enabled H306 in tox.ini and corrected the import order. Change-Id: If77984e8c62b0ec0cfb3d068e9c1b0d4d7c3583d
123 lines
3.9 KiB
Python
123 lines
3.9 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 eNovance <licensing@enovance.com>
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# Copyright © 2012 Red Hat, Inc
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#
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# Author: Julien Danjou <julien@danjou.info>
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# Author: Eoghan Glynn <eglynn@redhat.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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from oslo.config import cfg
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from ceilometer.openstack.common import timeutils
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from ceilometer import sample
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INSTANCE_PROPERTIES = [
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# Identity properties
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'reservation_id',
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# Type properties
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'architecture',
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'OS-EXT-AZ:availability_zone',
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'kernel_id',
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'os_type',
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'ramdisk_id',
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]
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OPTS = [
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cfg.ListOpt('reserved_metadata_namespace',
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default=['metering.'],
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help='list of metadata prefixes reserved for metering use'),
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cfg.IntOpt('reserved_metadata_length',
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default=256,
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help='limit on length of reserved metadata values'),
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]
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cfg.CONF.register_opts(OPTS)
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def _add_reserved_user_metadata(instance, metadata):
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limit = cfg.CONF.reserved_metadata_length
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user_metadata = {}
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for prefix in cfg.CONF.reserved_metadata_namespace:
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md = dict(
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(k[len(prefix):].replace('.', '_'),
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v[:limit] if isinstance(v, basestring) else v)
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for k, v in instance.metadata.items()
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if (k.startswith(prefix) and
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k[len(prefix):].replace('.', '_') not in metadata)
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)
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user_metadata.update(md)
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if user_metadata:
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metadata['user_metadata'] = user_metadata
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return metadata
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def _get_metadata_from_object(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.name,
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'name': getattr(instance, 'OS-EXT-SRV-ATTR:instance_name', u''),
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'instance_type': (instance.flavor['id'] if instance.flavor else None),
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'host': instance.hostId,
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'flavor': instance.flavor,
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# Image properties
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'image': instance.image,
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'image_ref': (instance.image['id'] if instance.image else None),
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}
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# Images that come through the conductor API in the nova notifier
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# plugin will not have links.
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if instance.image and instance.image.get('links'):
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metadata['image_ref_url'] = instance.image['links'][0]['href']
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else:
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metadata['image_ref_url'] = None
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for name in INSTANCE_PROPERTIES:
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if hasattr(instance, name):
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metadata[name] = getattr(instance, name)
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metadata['vcpus'] = instance.flavor['vcpus']
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metadata['memory_mb'] = instance.flavor['ram']
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metadata['disk_gb'] = instance.flavor['disk']
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metadata['ephemeral_gb'] = instance.flavor['ephemeral']
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metadata['root_gb'] = int(metadata['disk_gb']) - \
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int(metadata['ephemeral_gb'])
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return _add_reserved_user_metadata(instance, metadata)
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def make_sample_from_instance(instance, name, type, unit, volume,
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additional_metadata={}):
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resource_metadata = _get_metadata_from_object(instance)
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resource_metadata.update(additional_metadata)
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return sample.Sample(
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name=name,
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type=type,
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unit=unit,
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volume=volume,
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user_id=instance.user_id,
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project_id=instance.tenant_id,
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resource_id=instance.id,
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timestamp=timeutils.isotime(),
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resource_metadata=resource_metadata,
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)
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def instance_name(instance):
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"""Shortcut to get instance name."""
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return getattr(instance, 'OS-EXT-SRV-ATTR:instance_name', None)
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