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contrib-munin/plugins/nova/nova_floating_ips

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#!/usr/bin/env python
#
# Plugin to monitor status of Floating IPs in Nova
#
# To monitor a floating ips, link floating_ips to this file.
# E.g.
# ln -s /usr/share/munin/plugins/nova_floating_ips /etc/munin/plugins/
#
# Needs following minimal configuration in plugin-conf.d/nova:
# [nova_*]
# user nova
#
# Magic markers
#%# capabilities=autoconf
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#%# family=auto
import sys
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try:
from nova import context
from nova import db
from nova import flags
from nova import utils
except ImportError:
successful_import = False
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else:
successful_import = True
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states = ['total', 'allocated', 'associated']
def print_config():
global states
print 'graph_title Nova Floating IPs'
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print 'graph_vlabel IPs'
print 'graph_args --base 1000 --lower-limit 0'
print 'graph_category nova'
print 'graph_scale no'
print 'graph_info This graph shows the number of Floating IPs in Nova and their status'
for state in states:
print '%s.label %s' % (state, state)
print '%s.draw LINE2' % state
print '%s.info %s IPs' % (state, state)
def get_status():
status = {}
for k in states:
status[k] = 0
ctxt = context.get_admin_context()
floating_ips = db.floating_ip_get_all(ctxt)
for floating_ip in floating_ips:
status['total'] += 1
if floating_ip['fixed_ip_id']:
status['associated'] += 1
if floating_ip['project_id']:
status['allocated'] += 1
return status
def print_values():
status = get_status()
for (state, value) in status.iteritems():
print "%s.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 successful_import:
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print 'no (failed import nova module)'
sys.exit(0)
else:
print 'yes'
elif successful_import:
utils.default_flagfile()
flags.FLAGS(sys.argv)
print_values()