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contrib-munin/plugins/nova/nova_instance_launched
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2015-03-02 11:51:38 +00:00

64 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python
#
# Plugin to monitor instances launched from beginning of time
#
# To monitor a floating ips, link floating_ips to this file.
# E.g.
# ln -s /usr/share/munin/plugins/nova_instance_launched /etc/munin/plugins/
#
# 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
from nova.db.sqlalchemy.session import get_session
except ImportError:
successful_import = False
else:
successful_import = True
def print_config():
global states
print 'graph_title Nova Instances Launched'
print 'graph_vlabel qty'
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 instances launched since the beginning of time'
print 'instances.label instances'
print 'instances.draw LINE2'
def get_status():
connection = get_session().connection()
row = connection.execute("select count(*) from instances").fetchall()[0]
return row[0]
def print_values():
qty = get_status()
print "instances.value %s" % qty
if __name__ == '__main__':
if len(sys.argv) > 1:
if sys.argv[1] == "config":
print_config()
elif sys.argv[1]=="autoconf" :
if not successful_import:
print 'no (failed import nova module)'
sys.exit(0)
else:
print 'yes'
elif successful_import:
utils.default_flagfile()
flags.FLAGS(sys.argv)
print_values()