108 lines
3.5 KiB
Python
108 lines
3.5 KiB
Python
#!/usr/bin/python
|
|
# Copyright 2015 Mirantis, Inc.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
# Collectd plugin for getting statistics from Cinder
|
|
import collectd
|
|
|
|
import collectd_openstack as openstack
|
|
|
|
PLUGIN_NAME = 'cinder'
|
|
INTERVAL = openstack.INTERVAL
|
|
|
|
|
|
class CinderStatsPlugin(openstack.CollectdPlugin):
|
|
""" Class to report the statistics on Cinder objects.
|
|
|
|
number of volumes broken down by state
|
|
total size of volumes usable and in error state
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(CinderStatsPlugin, self).__init__(*args, **kwargs)
|
|
self.plugin = PLUGIN_NAME
|
|
self.interval = INTERVAL
|
|
self.pagination_limit = 500
|
|
|
|
def itermetrics(self):
|
|
|
|
volumes_details = self.get_objects('cinderv2', 'volumes',
|
|
params={'all_tenants': 1},
|
|
detail=True)
|
|
|
|
def groupby(d):
|
|
return d.get('status', 'unknown').lower()
|
|
|
|
def count_size_bytes(d):
|
|
return d.get('size', 0) * 10 ** 9
|
|
|
|
status = self.count_objects_group_by(volumes_details,
|
|
group_by_func=groupby)
|
|
for s, nb in status.iteritems():
|
|
yield {
|
|
'plugin_instance': 'volumes',
|
|
'type_instance': s,
|
|
'values': nb
|
|
}
|
|
|
|
sizes = self.count_objects_group_by(volumes_details,
|
|
group_by_func=groupby,
|
|
count_func=count_size_bytes)
|
|
for n, size in sizes.iteritems():
|
|
yield {
|
|
'plugin_instance': 'volumes_size',
|
|
'type_instance': n,
|
|
'values': size
|
|
}
|
|
|
|
snaps_details = self.get_objects('cinderv2', 'snapshots',
|
|
params={'all_tenants': 1})
|
|
status_snaps = self.count_objects_group_by(snaps_details,
|
|
group_by_func=groupby)
|
|
for s, nb in status_snaps.iteritems():
|
|
yield {
|
|
'plugin_instance': 'snapshots',
|
|
'type_instance': s,
|
|
'values': nb
|
|
}
|
|
|
|
sizes = self.count_objects_group_by(snaps_details,
|
|
group_by_func=groupby,
|
|
count_func=count_size_bytes)
|
|
for n, size in sizes.iteritems():
|
|
yield {
|
|
'plugin_instance': 'snapshots_size',
|
|
'type_instance': n,
|
|
'values': size
|
|
}
|
|
|
|
|
|
plugin = CinderStatsPlugin(collectd, PLUGIN_NAME, disable_check_metric=True)
|
|
|
|
|
|
def config_callback(conf):
|
|
plugin.config_callback(conf)
|
|
|
|
|
|
def notification_callback(notification):
|
|
plugin.notification_callback(notification)
|
|
|
|
|
|
def read_callback():
|
|
plugin.conditional_read_callback()
|
|
|
|
collectd.register_config(config_callback)
|
|
collectd.register_notification(notification_callback)
|
|
collectd.register_read(read_callback, INTERVAL)
|