90 lines
2.1 KiB
Bash
Executable file
90 lines
2.1 KiB
Bash
Executable file
#!/bin/bash
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#
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# check_varnish_health
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#
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# A nagios plugin to check the health status of a varnish web cache using varnishadm.
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# by rudi kramer
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# Copyright 2010 rudi Kramer <rudi(dot)kramer(at)gmail(dot)com>, BSD-style copyright and disclaimer.
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#
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# version 1.1 - Fixed bug where backend server is not called default
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#
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# Command Line Usage: ./check_varnish_health -i <ip> -p <port>
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#
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# Example: ./check_varnish_health -i 127.0.0.1 -p 6082
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#
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#################################################################################
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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E_SUCCESS="0"
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E_WARNING="1"
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E_CRITICAL="2"
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E_UNKNOWN="3"
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PROGNAME=`basename $0`
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CHECK_VARNISHD=`ps ax| grep varnishd| grep -v grep`
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print_help() {
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echo ""
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echo "This plugin checks the health status of a varnish web cache using varnishadm"
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echo ""
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echo "Usage: $PROGNAME -i <ip address> -p <port> -s <secret file> -w <maximum number of sick backends before raise a warning state> -c <same as previous but for critical state>"
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echo ""
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}
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if [ $# -lt 10 ]; then
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print_help
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exit $E_UNKNOWN
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fi
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if [ -z "$CHECK_VARNISHD" ]; then
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echo "CRITICAL: varnishd is not running, unable to check health status"
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exit $E_CRITICAL
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fi
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while test -n "$1"; do
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case "$1" in
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--help | -h)
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print_help
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exit $E_UNKNOWN
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;;
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-i)
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IP=$2
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shift
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;;
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-p)
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PORT=$2
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shift
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;;
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-s)
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SECRET=$2
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shift
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;;
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-w)
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WARNING=$2
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shift
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;;
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-c)
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CRITICAL=$2
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shift
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;;
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esac
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shift
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done
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COMMAND=`varnishadm -S $SECRET -T $IP\:$PORT debug.health 2>&1 | grep "^Backend " | grep -v "Healthy" |wc -l`
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OUTPUT=`varnishadm -S $SECRET -T $IP\:$PORT debug.health 2>&1 | grep "^Backend " |tr '\n' ','`
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if [ $COMMAND -lt $WARNING ]; then
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echo "OK: $OUTPUT"
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exit ${E_SUCCESS}
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elif [ $COMMAND -lt $CRITICAL ]; then
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echo "WARNING: $OUTPUT"
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exit ${E_WARNING}
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else
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echo "CRITICAL: $OUTPUT"
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exit ${E_CRITICAL}
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fi
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