130 lines
4.9 KiB
Python
130 lines
4.9 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 Neutron
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import collectd
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import collectd_openstack as openstack
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PLUGIN_NAME = 'neutron'
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INTERVAL = openstack.INTERVAL
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class NeutronStatsPlugin(openstack.CollectdPlugin):
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""" Class to report the statistics on Neutron objects.
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number of networks broken down by status
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number of subnets
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number of ports broken down by owner and status
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number of routers broken down by status
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number of floating IP addresses broken down by free/associated
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"""
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def __init__(self, *args, **kwargs):
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super(NeutronStatsPlugin, 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 = 100
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def itermetrics(self):
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def groupby_network(x):
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return "networks.%s" % x.get('status', 'unknown').lower()
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def groupby_router(x):
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return "routers.%s" % x.get('status', 'unknown').lower()
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def groupby_port(x):
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owner = x.get('device_owner', 'none')
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if owner.startswith('network:'):
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owner = owner.replace('network:', '')
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elif owner.startswith('compute:'):
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# The part after 'compute:' is the name of the Nova AZ
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owner = 'compute'
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else:
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owner = 'none'
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status = x.get('status', 'unknown').lower()
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return "ports.%s.%s" % (owner, status)
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def groupby_floating(x):
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if x.get('port_id', None):
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status = 'associated'
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else:
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status = 'free'
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return "floatingips.%s" % status
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# Networks
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networks = self.get_objects('neutron', 'networks', api_version='v2.0',
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params={'fields': ['id', 'status']})
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status = self.count_objects_group_by(networks,
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group_by_func=groupby_network)
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for s, nb in status.iteritems():
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yield {'type_instance': s, 'values': nb}
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yield {'type_instance': 'networks', 'values': len(networks)}
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# Subnets
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subnets = self.get_objects('neutron', 'subnets', api_version='v2.0',
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params={'fields': ['id', 'status']})
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yield {'type_instance': 'subnets', 'values': len(subnets)}
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# Ports
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ports = self.get_objects('neutron', 'ports', api_version='v2.0',
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params={'fields': ['id', 'status',
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'device_owner']})
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status = self.count_objects_group_by(ports,
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group_by_func=groupby_port)
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for s, nb in status.iteritems():
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yield {'type_instance': s, 'values': nb}
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yield {'type_instance': 'ports', 'values': len(ports)}
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# Routers
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routers = self.get_objects('neutron', 'routers', api_version='v2.0',
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params={'fields': ['id', 'status']})
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status = self.count_objects_group_by(routers,
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group_by_func=groupby_router)
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for s, nb in status.iteritems():
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yield {'type_instance': s, 'values': nb}
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yield {'type_instance': 'routers', 'values': len(routers)}
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# Floating IP addresses
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floatingips = self.get_objects('neutron', 'floatingips',
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api_version='v2.0',
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params={'fields': ['id', 'status',
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'port_id']})
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status = self.count_objects_group_by(floatingips,
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group_by_func=groupby_floating)
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for s, nb in status.iteritems():
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yield {'type_instance': s, 'values': nb}
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yield {'type_instance': 'floatingips', 'values': len(routers)}
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plugin = NeutronStatsPlugin(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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