103 lines
3.3 KiB
Python
103 lines
3.3 KiB
Python
#!/usr/bin/python
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# Copyright 2015 Mirantis, Inc.
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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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#
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# Collectd plugin for getting resource statistics from Glance
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import collectd
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import collectd_openstack as openstack
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PLUGIN_NAME = 'glance'
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INTERVAL = openstack.INTERVAL
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class GlanceStatsPlugin(openstack.CollectdPlugin):
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""" Class to report the statistics on Glance service.
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number of image broken down by state
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total size of images usable and in error state
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"""
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def __init__(self, *args, **kwargs):
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super(GlanceStatsPlugin, self).__init__(*args, **kwargs)
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self.plugin = PLUGIN_NAME
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self.interval = INTERVAL
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self.pagination_limit = 25
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def itermetrics(self):
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def is_snap(d):
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return d.get('image_type') == 'snapshot'
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def groupby(d):
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p = d['visibility']
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status = d.get('status', 'unknown').lower()
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if is_snap(d):
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return 'snapshots.%s.%s' % (p, status)
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return 'images.%s.%s' % (p, status)
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images_details = self.get_objects('glance', 'images',
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api_version='v2',
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params={},
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detail=False)
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status = self.count_objects_group_by(images_details,
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group_by_func=groupby)
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for s, nb in status.iteritems():
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(name, visibility, status) = s.split('.')
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yield {
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'type_instance': name,
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'values': nb,
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'meta': {'visibility': visibility, 'status': status}
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}
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# sizes
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def count_size_bytes(d):
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return d.get('size', 0)
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def groupby_size(d):
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p = d['visibility']
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status = d.get('status', 'unknown').lower()
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if is_snap(d):
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return 'snapshots_size.%s.%s' % (p, status)
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return 'images_size.%s.%s' % (p, status)
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sizes = self.count_objects_group_by(images_details,
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group_by_func=groupby_size,
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count_func=count_size_bytes)
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for s, nb in sizes.iteritems():
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(name, visibility, status) = s.split('.')
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yield {
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'type_instance': name,
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'values': nb,
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'meta': {'visibility': visibility, 'status': status},
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}
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plugin = GlanceStatsPlugin(collectd, PLUGIN_NAME, disable_check_metric=True)
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def config_callback(conf):
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plugin.config_callback(conf)
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def notification_callback(notification):
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plugin.notification_callback(notification)
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def read_callback():
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plugin.conditional_read_callback()
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collectd.register_config(config_callback)
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collectd.register_notification(notification_callback)
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collectd.register_read(read_callback, INTERVAL)
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