Munin contributed plugins

#!/usr/bin/env python

"""Thomas R. N. Jansson (tjansson@tjansson.dk)

16-MAY-2010

"""

# The SNMP traps for the NetApp filer can be found in

# /net/netappfiler/vol0/etc/mib/traps.dat if the filer is

# NFS automounted mounted on server.

# Example: the SNMP id for cpuBusyTimePerCent is

# snmp.1.3.6.1.4.1.789.1.2.1.3.0

# and retrival of this value is done by

# snmpget -v 1 -c public netappfiler 1.3.6.1.4.1.789.1.2.1.3.0

#

# Requires snmpget and assumes public community.

import commands

import sys

# Provided a servername and a snmpid it returns the value stripped of bogus information.

def snmpget(iservername,isnmpid):

    runcmd = 'snmpget -v 1 -c public ' + iservername + ' ' + isnmpid

    output = commands.getoutput(runcmd)

    return output.split()[3]

snmpid      = "1.3.6.1.4.1.789.1.2.1.3.0"

warning     = 80

critical    = 95

servername  = sys.argv[0].split('_')[1]

if len(sys.argv) == 2 and sys.argv[1]  == "config":

    print 'graph_title CPU usage on', servername

    print 'graph_args --base 1000 -r --lower-limit 0 --upper-limit 100'

    print 'graph_vlabel %'

    print 'graph_scale no'

    print 'graph_info This graph shows how CPU time is spent.'

    print 'graph_period second'

    print 'graph_category cpu'

    print 'usage.label cpu_usage '

    print 'usage.draw STACK'

    print 'usage.warning ', warning

    print 'usage.critical ', critical

    print 'usage.info CPU time spent by normal programs and daemons'

    sys.exit(0)

# Gathers info from the servers and gathers data

print 'usage.value '+snmpget(servername,snmpid)