32932b1b6d
- use the correct pnp4nagios template directory - initial version 1.3 OBS-URL: https://build.opensuse.org/package/show/server:monitoring/monitoring-plugins-bind?expand=0&rev=2
284 lines
11 KiB
Bash
284 lines
11 KiB
Bash
#!/bin/sh
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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PROGNAME=`basename $0`
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VERSION="Version 1.3,"
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AUTHOR="2009, Mike Adolphs (http://www.matejunkie.com/)"
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ST_OK=0
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ST_WR=1
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ST_CR=2
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ST_UK=3
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path_pid="/var/run/named"
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name_pid="named.pid"
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path_rndc="/usr/sbin"
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path_stats="/var/bind"
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path_tmp="/tmp"
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version=9.4
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pid_check=1
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print_version() {
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echo "$VERSION $AUTHOR"
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}
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print_help() {
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print_version $PROGNAME $VERSION
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echo ""
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echo "$PROGNAME is a Nagios plugin to check the bind daemon whether it's"
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echo "running via its pid file and then gets the statistics via rndc stats."
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echo "The user that run the script needs the ability to 'sudo rndc stats'!"
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echo "The timeframe in which the rndc stats output is updated is controlled"
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echo "by the check interval. The output shows amount of requests of various"
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echo "types occured during the last check interval."
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echo "The script itself is written sh-compliant and free software under the"
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echo "terms of the GPLv2 (or later)."
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echo ""
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echo "$PROGNAME -p/--path_pid /var/run/named -n/--name_pid named.pid"
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echo " -r/--path-rndc /usr/sbin -s/--path-stats /var/bind"
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echo " -V/--bind-version 9.3/9.4/9.5 -N"
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echo ""
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echo "Options:"
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echo " -p/--path-pid)"
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echo " Path where the pid file for bind is stored. You might need to"
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echo " alter this to your distribution's way of dealing with pid files."
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echo " Default is: /var/run/named"
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echo " -n/--name_pid)"
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echo " Name of the pid file. Default is: named.pid"
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echo " -r/--path-rndc)"
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echo " Path where the rndc binary is located. Default is: /usr/sbin"
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echo " -s/--path-stats)"
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echo " Path where the named.stats file is stored. Default is:"
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echo " /var/bind"
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echo " -t/--path-tmp)"
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echo " Path where the temporary named.stats excerpt is being stored."
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echo " Default is: /tmp"
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echo " -V/--bind-version)"
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echo " Specifies the bind version you're running. Currently there's"
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echo " BIND 9.3, 9.4 and 9.5 supported. Default is: 9.4"
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echo " -N/--no-pid-check)"
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echo " If you don't want that the script checks for the pid file,"
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echo " use this option. Default is: off"
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echo " -C/--chroot)"
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echo " If you're running BIND in a chroot environment, use this"
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echo " option to define a path to be chrooted. Please adjust also"
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echo " your sudo configuration to enable the Nagios user to chroot!"
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echo " Default is: /opt/chroot-bind"
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exit $ST_UK
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}
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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 $ST_UK
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;;
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--version|-v)
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print_version $PROGNAME $VERSION
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exit $ST_UK
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;;
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--path-pid|-p)
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path_pid=$2
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shift
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;;
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--name-pid|-n)
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name_pid=$2
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shift
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;;
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--path-rndc|-r)
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path_rndc=$2
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shift
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;;
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--path-stats|-s)
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path_stats=$2
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shift
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;;
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--path-tmp|-t)
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path_tmp=$2
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shift
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;;
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--bind-version|-V)
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version=$2
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shift
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;;
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--no-check-pid|-N)
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pid_check=0
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;;
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--chroot|-C)
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path_chroot=$2
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shift
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;;
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*)
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echo "Unknown argument: $1"
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print_help
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exit $ST_UK
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;;
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esac
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shift
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done
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check_pid() {
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if [ -f "$path_pid/$name_pid" ]
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then
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retval=0
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else
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retval=1
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fi
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}
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trigger_stats() {
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if [ -n "$path_chroot" ]
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then
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sudo chroot $path_chroot $path_rndc/rndc stats
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else
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sudo $path_rndc/rndc stats
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fi
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}
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copy_to_tmp() {
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tac $path_stats/named.stats | awk '/--- \([0-9]*\)/{p=1} p{print} /\+\+\+ \([0-9]*\)/{p=0;if (count++==1) exit}' > $path_tmp/named.stats.tmp
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}
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get_vals() {
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case ${version} in
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9.3)
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succ_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^success [0-9]*' | sort -n | awk '{print $2}'`
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succ_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^success [0-9]*' | sort -n | grep -m1 '^success [0-9]*' | awk '{print $2}'`
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ref_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^referral [0-9]*' | sort -n | awk '{print $2}'`
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ref_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^referral [0-9]*' | sort -n | grep -m1 '^referral [0-9]*' | awk '{print $2}'`
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nxrr_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^nxrrset [0-9]*' | sort -n | awk '{print $2}'`
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nxrr_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^nxrrset [0-9]*' | sort -n | grep -m1 '^nxrrset [0-9]*' | awk '{print $2}'`
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nxdom_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^nxdomain [0-9]*' | sort -n | awk '{print $2}'`
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nxdom_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^nxdomain [0-9]*' | sort -n | grep -m1 '^nxdomain [0-9]*' | awk '{print $2}'`
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rec_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^recursion [0-9]*' | sort -n | awk '{print $2}'`
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rec_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^recursion [0-9]*' | sort -n | grep -m1 '^recursion [0-9]*' | awk '{print $2}'`
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fail_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^failure [0-9]*' | sort -n | awk '{print $2}'`
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fail_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^failure [0-9]*' | sort -n | grep -m1 '^failure [0-9]*' | awk '{print $2}'`
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;;
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9.4)
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succ_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^success [0-9]*' | sort -n | awk '{print $2}'`
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succ_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^success [0-9]*' | sort -n | grep -m1 '^success [0-9]*' | awk '{print $2}'`
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ref_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^referral [0-9]*' | sort -n | awk '{print $2}'`
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ref_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^referral [0-9]*' | sort -n | grep -m1 '^referral [0-9]*' | awk '{print $2}'`
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nxrr_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^nxrrset [0-9]*' | sort -n | awk '{print $2}'`
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nxrr_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^nxrrset [0-9]*' | sort -n | grep -m1 '^nxrrset [0-9]*' | awk '{print $2}'`
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nxdom_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^nxdomain [0-9]*' | sort -n | awk '{print $2}'`
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nxdom_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^nxdomain [0-9]*' | sort -n | grep -m1 '^nxdomain [0-9]*' | awk '{print $2}'`
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rec_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^recursion [0-9]*' | sort -n | awk '{print $2}'`
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rec_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^recursion [0-9]*' | sort -n | grep -m1 '^recursion [0-9]*' | awk '{print $2}'`
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fail_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^failure [0-9]*' | sort -n | awk '{print $2}'`
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fail_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^failure [0-9]*' | sort -n | grep -m1 '^failure [0-9]*' | awk '{print $2}'`
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dup_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^duplicate [0-9]*' | sort -n | awk '{print $2}'`
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dup_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^duplicate [0-9]*' | sort -n | grep -m1 '^duplicate [0-9]*' | awk '{print $2}'`
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drop_1st=`cat $path_tmp/named.stats.tmp | grep -m1 '^dropped [0-9]*' | sort -n | awk '{print $2}'`
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drop_2nd=`cat $path_tmp/named.stats.tmp | grep -o '^dropped [0-9]*' | sort -n | grep -m1 '^dropped [0-9]*' | awk '{print $2}'`
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;;
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9.5)
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succ_1st=`grep 'resulted in successful answer' $path_tmp/named.stats.tmp | awk '{ print $1 }' | grep -m1 ''`
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succ_2nd=`grep 'resulted in successful answer' $path_tmp/named.stats.tmp | awk '{ print $1 }' | sort -n | grep -m1 ''`
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ref_1st=`grep 'resulted in referral' $path_tmp/named.stats.tmp | awk '{ print $1 }' | grep -m1 ''`
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ref_2nd=`grep 'resulted in referral' $path_tmp/named.stats.tmp | awk '{ print $1 }' | sort -n | grep -m1 ''`
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nxrr_1st=`grep 'resulted in nxrrset' $path_tmp/named.stats.tmp | awk '{ print $1 }' | grep -m1 ''`
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nxrr_2nd=`grep 'resulted in nxrrset' $path_tmp/named.stats.tmp | awk '{ print $1 }' | sort -n | grep -m1 ''`
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nxdom_1st=`grep 'resulted in NXDOMAIN' $path_tmp/named.stats.tmp | awk '{ print $1 }' | grep -m1 ''`
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nxdom_2nd=`grep 'resulted in NXDOMAIN' $path_tmp/named.stats.tmp | awk '{ print $1 }' | sort -n | grep -m1 ''`
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rec_1st=`grep 'caused recursion' $path_tmp/named.stats.tmp | awk '{ print $1 }' | grep -m1 ''`
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rec_2nd=`grep 'caused recursion' $path_tmp/named.stats.tmp | awk '{ print $1 }' | sort -n | grep -m1 ''`
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fail_1st=`grep 'resulted in SERVFAIL' $path_tmp/named.stats.tmp | awk '{ print $1 }' | grep -m1 ''`
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fail_2nd=`grep 'resulted in SERVFAIL' $path_tmp/named.stats.tmp | awk '{ print $1 }' | sort -n | grep -m1 ''`
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dup_1st=`grep 'duplicate queries received' $path_tmp/named.stats.tmp | awk '{ print $1 }' | grep -m1 ''`
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dup_2nd=`grep 'duplicate queries received' $path_tmp/named.stats.tmp | awk '{ print $1 }' | sort -n | grep -m1 ''`
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;;
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esac
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if [ "$succ_1st" == '' ]
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then
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success=0
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else
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success=`expr $succ_1st - $succ_2nd`
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fi
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if [ "$ref_1st" == '' ]
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then
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referral=0
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else
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referral=`expr $ref_1st - $ref_2nd`
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fi
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if [ "$nxrr_1st" == '' ]
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then
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nxrrset=0
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else
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nxrrset=`expr $nxrr_1st - $nxrr_2nd`
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fi
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if [ "$nxdom_1st" == '' ]
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then
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nxdomain=0
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else
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nxdomain=`expr $nxdom_1st - $nxdom_2nd`
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fi
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if [ "$rec_1st" == '' ]
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then
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recursion=0
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else
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recursion=`expr $rec_1st - $rec_2nd`
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fi
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if [ "$fail_1st" == '' ]
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then
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failure=0
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else
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failure=`expr $fail_1st - $fail_2nd`
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fi
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if [ "$dup_1st" == '' ]
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then
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duplicate=0
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else
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duplicate=`expr $dup_1st - $dup_2nd`
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fi
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if [ "$drop_1st" == '' ]
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then
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dropped=0
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else
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dropped=`expr $drop_1st - $drop_2nd`
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fi
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}
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get_perfdata() {
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case ${version} in
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9.3)
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perfdata=`echo "'success'=$success 'referral'=$referral 'nxrrset'=$nxrrset 'nxdomain'=$nxdomain 'recursion'=$recursion 'failure'=$failure"`
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;;
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*)
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perfdata=`echo "'success'=$success 'referral'=$referral 'nxrrset'=$nxrrset 'nxdomain'=$nxdomain 'recursion'=$recursion 'failure'=$failure 'duplicate'=$duplicate 'dropped'=$dropped"`
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;;
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esac
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}
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if [ ${pid_check} == 1 ]
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then
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check_pid
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if [ "$retval" = 1 ]
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then
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echo "There's no pid file for bind9. Is it actually running?"
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exit $ST_CR
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fi
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fi
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trigger_stats
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copy_to_tmp
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get_vals
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get_perfdata
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echo "Bind9 is running. $success successfull requests, $referral referrals, $nxdomain nxdomains since last check. | $perfdata"
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exit $ST_OK
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