107 lines
2.8 KiB
Python
107 lines
2.8 KiB
Python
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#! /usr/bin/env python
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#
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# Nagios client for checking Performance Co-Pilot metrics
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#
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#
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from sys import argv,exit
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import popen2, getopt, string, types
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DEBUG=0
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nagios_pcpclient_version = 0.01
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PMVAL='/usr/bin/pmval'
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COMMANDLINE=PMVAL + " -s 1"
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METRIC='undefined'
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CRITICAL=0
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WARNING=0
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def usage():
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print "Usage:", argv[0], "[options]"
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print "Options:"
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print "\t[-H host]\tHostname to contact"
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print "\t[-m metric]\tPCP metric to check"
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print "\t[-i instance]\tPCP metric instance"
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print "\t[-w warn]\tIssue warning alert if value is larger than this"
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print "\t[-c critical]\tIssue critical alert value is larger than this"
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print "\t[-V]\t\tProgram version"
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print "\t[-h]\t\tThis helptext"
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print ""
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print "F.ex. to check 5 minute loadaverage, warn if the load is above 2,"
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print "and give critical warning if it's above 10:"
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print "\n\t%", argv[0], " -i 5 -m kernel.all.load -w 2 -c 10"
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print ""
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print "A list of all PCP metrics can be found with the command 'pminfo'."
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print "A list of all instances within a metric can be found with 'pminfo -f metric'."
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print "F.ex. to see all available instances of 'filesys.full' execute:"
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print "\n\t% pminfo -f filesys.full"
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print "\tfilesys.full"
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print """\t\tinst [0 or "/dev/root"] value 45.35514044640914"""
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print """\t\tinst [1 or "/dev/sda1"] value 46.74285959344712"""
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print """\t\tinst [2 or "/dev/sdb1"] value 0.807766570678168"""
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print ""
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print "And the command to have nagios monitor the /dev/sda1 filesystem would be:"
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print "\n\t", argv[0], " -i /dev/sda1 -m filesys.full -w 70 -c 90"
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opts, args = getopt.getopt(argv[1:],'hH:c:w:m:i:V')
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for opt in opts:
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key,value = opt
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if key == '-H':
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COMMANDLINE = COMMANDLINE + " -h " + value
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elif key == '-m':
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METRIC=value
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elif key == '-i':
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COMMANDLINE = COMMANDLINE + " -i " + value
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elif key == '-c':
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CRITICAL = value
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elif key == '-w':
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WARNING = value
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elif key == '-h':
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usage()
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exit(0)
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elif key == '-V':
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print "Nagios Performance CoPilot client v%.2f" % nagios_pcpclient_version
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print "Written by Jan-Frode Myklebust <janfrode@parallab.uib.no>"
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exit(0)
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if METRIC == 'undefined':
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usage()
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exit(3)
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COMMANDLINE = COMMANDLINE + " " + METRIC
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if DEBUG: print COMMANDLINE
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p=popen2.Popen4(COMMANDLINE)
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exitcode=p.wait()
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# Get the last line of output from 'pmval':
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buffer = p.fromchild.readline()
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while (buffer != ''):
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output=buffer
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buffer = p.fromchild.readline()
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returndata = string.split(output)[0]
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# Confirm that we have gotten a float, and not
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# some errormessage in the returndata. If not,
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# print the error, and give the UNKNOWN exit code:
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try:
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retval = string.atof(returndata)
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except ValueError, e:
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print e
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exit(3)
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if (retval < WARNING):
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EXITCODE=0
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elif (retval > CRITICAL):
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EXITCODE=2
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elif (retval > WARNING):
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EXITCODE=1
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else:
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EXITCODE=3
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print retval
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exit(EXITCODE)
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