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#!/usr/bin/env python
#
# Copyright (C) 2012 eNovance <licensing@enovance>
#
# Authors: Mehdi Abaakouk <sileht@sileht.net>
# Gael Lambert <gael.lambert@enovance.com>
# Jesse Andrews <anotherjesse@rackspace.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
# Plugin to report service status
#
# Needs following minimal configuration in plugin-conf.d/nova:
# [nova_*]
# user nova
#
# Magic markers
#%# capabilities=autoconf
#%# family=auto
import sys
try:
from nova import context
from nova import db
from nova import flags
from nova import utils
except ImportError:
succesful_import = False
else:
succesful_import = True
services = ['nova-compute', 'nova-volume', 'nova-scheduler', 'nova-vncproxy', 'nova-network', 'nova-cert', 'nova-console', 'nova-consoleauth']
def print_config():
global services
print 'graph_title Nova Services'
print 'graph_vlabel qty'
print 'graph_args --base 1000 --lower-limit 0'
print 'graph_category nova'
print 'graph_scale no'
print 'graph_info Nova services - alive and active'
for service in services:
print '%s_alive.label %s alive' % (service, service)
print '%s_alive.draw LINE2' % service
print '%s_alive.info seen in last 30 seconds' % service
print '%s_active.label %s active' % (service, service)
print '%s_active.draw LINE2' % service
print '%s_active.info alive and enabled' % service
def get_status():
global services
alive = {}
active = {}
for k in services:
alive[k] = 0
active[k] = 0
ctxt = context.get_admin_context()
now = utils.utcnow()
services = db.service_get_all(ctxt)
for svc in services:
delta = now - (svc['updated_at'] or svc['created_at'])
if (delta.seconds <= 30):
alive[svc['binary']] += 1
if not svc['disabled']:
active[svc['binary']] += 1
return {'alive': alive, 'active': active}
def print_values():
status = get_status()
for (state, value) in status['alive'].iteritems():
print "%s_alive.value %s" % (state, value)
for (state, value) in status['active'].iteritems():
print "%s_active.value %s" % (state, value)
if __name__ == '__main__':
if len(sys.argv) > 1:
if sys.argv[1] == "config":
print_config()
elif sys.argv[1] == "autoconf":
if not succesful_import:
print 'no (failed import nova module]'
else:
print 'yes'
elif succesful_import:
utils.default_flagfile()
flags.FLAGS(sys.argv)
print_values()
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