98 lines
3.0 KiB
Python
98 lines
3.0 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 resource statistics from Neutron
|
|
import collectd
|
|
from collections import Counter
|
|
from collections import defaultdict
|
|
import re
|
|
|
|
import collectd_openstack as openstack
|
|
|
|
PLUGIN_NAME = 'neutron'
|
|
INTERVAL = openstack.INTERVAL
|
|
|
|
|
|
class NeutronAgentStatsPlugin(openstack.CollectdPlugin):
|
|
""" Class to report the statistics on Neutron agents.
|
|
|
|
state of agents
|
|
"""
|
|
|
|
neutron_re = re.compile('^neutron-')
|
|
agent_re = re.compile('-agent$')
|
|
states = {'up': 0, 'down': 1, 'disabled': 2}
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(NeutronAgentStatsPlugin, self).__init__(*args, **kwargs)
|
|
self.plugin = PLUGIN_NAME
|
|
self.interval = INTERVAL
|
|
|
|
def itermetrics(self):
|
|
|
|
# Get information of the state per agent
|
|
# State can be up or down
|
|
aggregated_agents = defaultdict(Counter)
|
|
|
|
for agent in self.iter_workers('neutron'):
|
|
host = agent['host'].split('.')[0]
|
|
service = self.agent_re.sub(
|
|
'', self.neutron_re.sub('', agent['service']))
|
|
state = agent['state']
|
|
|
|
aggregated_agents[service][state] += 1
|
|
|
|
yield {
|
|
'type_instance': 'neutron_agent',
|
|
'values': self.states[state],
|
|
'meta': {'host': host, 'service': service, 'state': state}
|
|
}
|
|
|
|
for service in aggregated_agents:
|
|
totala = sum(aggregated_agents[service].values())
|
|
|
|
for state in self.states:
|
|
prct = (100.0 * aggregated_agents[service][state]) / totala
|
|
yield {
|
|
'type_instance': 'neutron_agents_percent',
|
|
'values': prct,
|
|
'meta': {'service': service, 'state': state},
|
|
}
|
|
yield {
|
|
'type_instance': 'neutron_agents',
|
|
'values': aggregated_agents[service][state],
|
|
'meta': {'service': service, 'state': state},
|
|
}
|
|
|
|
|
|
plugin = NeutronAgentStatsPlugin(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)
|