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https://github.com/opinkerfi/nagios-plugins.git
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Merge pull request #40 from opinkerfi/check_service
Added check_service plugin
This commit is contained in:
Garðar Þorsteinsson
GitHub
commit
3ad7f64f55
348
check_service.sh/check_service.sh
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348
check_service.sh/check_service.sh
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#!/usr/bin/env bash
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# Author: Jon Schipp
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# 2015-03-09 [Pascal Hegy] - Add sudo for linux
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# 2015-03-09 [Pascal Hegy] - Change USER variable to USERNAME to avoid the use and confusion with the USER env variable
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# 2017-08-30 [Roberto Leibman] - Reordered checks to make sure dead and inactive get checked first
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# 2018-04-25 [Robin Gierse] - Update check via systemctl for Linux with grep to produce better output for systemctl
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# 2019-03-15 [nem / liberodark] - Add support for check all failed services in linux
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########
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# Examples:
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# 1.) List services for osx
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# $ ./check_service.sh -l -o osx
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#
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# 2.) Check status of SSH service on a linux machine
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# $ ./check_service.sh -o linux -s sshd
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# 3.) Manually select service management tool and service
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# $ ./check_service.sh -o linux -t "service rsyslog status"
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# Exemple for check all failed services
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# $ ./check_service.sh -o linux -t "systemctl list-units --state=failed"
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# Nagios Exit Codes
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OK=0
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WARNING=1
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CRITICAL=2
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UNKNOWN=3
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# Weather or not we can trust the exit code from the service management tool.
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# Defaults to 0, put to 1 for systemd. Otherwise we must rely on parsing the
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# output from the service management tool.
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TRUST_EXIT_CODE=0
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usage()
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{
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cat <<EOF
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Check status of system services for Linux, FreeBSD, OSX, and AIX.
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Options:
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-s <service> Specify service name
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-l List services
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-o <os> OS type, "linux/osx/freebsd/aix"
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-u <user> User if you need to ``sudo -u'' for launchctl (def: nagios, linux and osx only)
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-t <tool> Manually specify service management tool (def: autodetect) with status and service
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e.g. ``-t "service nagios status"''
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EOF
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}
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argcheck() {
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# if less than n argument
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if [ $ARGC -lt $1 ]; then
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echo "Missing arguments! Use \`\`-h'' for help."
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exit 1
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fi
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}
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os_check() {
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if [ "$OS" == null ]; then
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unamestr=$(uname)
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if [[ $unamestr == 'Linux' ]]; then
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OS='linux'
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elif [[ $unamestr == 'FreeBSD' ]]; then
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OS='freebsd'
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elif [[ $unamestr == 'Darwin' ]]; then
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OS='osx'
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else
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echo "OS not recognized, Use \`-o\` and specify the OS as an argument"
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exit 3
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fi
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fi
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}
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determine_service_tool() {
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if [[ $OS == linux ]]; then
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if command -v systemctl >/dev/null 2>&1; then
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SERVICETOOL="systemctl status $SERVICE | grep -i Active"
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LISTTOOL="systemctl"
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if [ $USERNAME ]; then
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SERVICETOOL="sudo -u $USERNAME systemctl status $SERVICE"
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LISTTOOL="sudo -u $USERNAME systemctl"
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fi
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TRUST_EXIT_CODE=1
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elif command -v service >/dev/null 2>&1; then
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SERVICETOOL="service $SERVICE status"
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LISTTOOL="service --status-all"
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if [ $USERNAME ]; then
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SERVICETOOL="sudo -u $USERNAME service $SERVICE status"
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LISTTOOL="sudo -u $USERNAME service --status-all"
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fi
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elif command -v initctl >/dev/null 2>&1; then
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SERVICETOOL="status $SERVICE"
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LISTTOOL="initctl list"
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if [ $USERNAME ]; then
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SERVICETOOL="sudo -u $USERNAME status $SERVICE"
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LISTTOOL="sudo -u $USERNAME initctl list"
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fi
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elif command -v chkconfig >/dev/null 2>&1; then
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SERVICETOOL=chkconfig
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LISTTOOL="chkconfig --list"
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if [ $USERNAME ]; then
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SERVICETOOL="sudo -u $USERNAME chkconfig"
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LISTTOOL="sudo -u $USERNAME chkconfig --list"
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fi
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elif [ -f /etc/init.d/$SERVICE ] || [ -d /etc/init.d ]; then
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SERVICETOOL="/etc/init.d/$SERVICE status | tail -1"
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LISTTOOL="ls -1 /etc/init.d/"
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if [ $USERNAME ]; then
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SERVICETOOL="sudo -u $USERNAME /etc/init.d/$SERVICE status | tail -1"
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LISTTOOL="sudo -u $USERNAME ls -1 /etc/init.d/"
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fi
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else
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echo "Unable to determine the system's service tool!"
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exit 1
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fi
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fi
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if [[ $OS == freebsd ]]; then
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if command -v service >/dev/null 2>&1; then
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SERVICETOOL="service $SERVICE status"
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LISTTOOL="service -l"
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elif [ -f /etc/rc.d/$SERVICE ] || [ -d /etc/rc.d ]; then
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SERVICETOOL="/etc/rc.d/$SERVICE status"
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LISTTOOL="ls -1 /etc/rc.d/"
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else
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echo "Unable to determine the system's service tool!"
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exit 1
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fi
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fi
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if [[ $OS == osx ]]; then
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if [ -f /usr/sbin/serveradmin >/dev/null 2>&1 ] && serveradmin list | grep "$SERVICE" 2>&1 >/dev/null; then
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SERVICETOOL="serveradmin status $SERVICE"
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LISTTOOL="serveradmin list"
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elif [ -f /Applications/Server.app/Contents/ServerRoot/usr/sbin/serveradmin >/dev/null 2>&1 ] && \
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/Applications/Server.app/Contents/ServerRoot/usr/sbin/serveradmin list | \
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grep "$SERVICE" 2>&1 >/dev/null; then
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SERVICETOOL="/Applications/Server.app/Contents/ServerRoot/usr/sbin/serveradmin status $SERVICE"
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LISTTOOL="/Applications/Server.app/Contents/ServerRoot/usr/sbin/serveradmin list"
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elif command -v launchctl >/dev/null 2>&1; then
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SERVICETOOL="launchctl list | grep -v ^- | grep $SERVICE || echo $SERVICE not running! "
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LISTTOOL="launchctl list"
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if [ $USERNAME ]; then
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SERVICETOOL="sudo -u $USERNAME launchctl list | grep -v ^- | grep $SERVICE || echo $SERVICE not running! "
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LISTTOOL="sudo -u $USERNAME launchctl list"
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fi
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elif command -v service >/dev/null 2>&1; then
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SERVICETOOL="service --test-if-configured-on $SERVICE"
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LISTTOOL="service list"
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else
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echo "Unable to determine the system's service tool!"
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exit 1
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fi
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fi
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if [[ $OS == aix ]]; then
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if command -v lssrc >/dev/null 2>&1; then
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SERVICETOOL="lssrc -s $SERVICE | grep -v Subsystem"
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LISTTOOL="lssrc -a"
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else
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echo "Unable to determine the system's service tool!"
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exit 1
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fi
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fi
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}
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ARGC=$#
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LIST=0
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MANUAL=0
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OS=null
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SERVICETOOL=null
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LISTTOOL=null
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SERVICE=".*"
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#USERNAME=nagios
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argcheck 1
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while getopts "hls:o:t:u:" OPTION
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do
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case $OPTION in
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h)
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usage
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exit 0
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;;
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l)
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LIST=1
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;;
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s)
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SERVICE="$OPTARG"
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;;
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o)
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if [[ "$OPTARG" == linux ]]; then
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OS="$OPTARG"
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elif [[ "$OPTARG" == osx ]]; then
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OS="$OPTARG"
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elif [[ "$OPTARG" == freebsd ]]; then
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OS="$OPTARG"
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elif [[ "$OPTARG" == aix ]]; then
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OS="$OPTARG"
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else
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echo "Unknown type!"
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exit 1
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fi
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;;
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t)
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MANUAL=1
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MANUALSERVICETOOL="$OPTARG"
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;;
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u)
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USERNAME="$OPTARG"
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;;
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\?)
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exit 1
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;;
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esac
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done
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os_check
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if [ $MANUAL -eq 1 ]; then
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SERVICETOOL=$MANUALSERVICETOOL
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else
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determine_service_tool
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fi
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# -l conflicts with -t
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if [ $MANUAL -eq 1 ] && [ $LIST -eq 1 ]; then
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echo "Options conflict: \`\`-t'' and \`\`-l''"
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exit 2
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fi
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if [ $LIST -eq 1 ]; then
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if [[ $LISTTOOL != null ]]; then
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$LISTTOOL
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exit 0
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else
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echo "OS not specified! Use \`\`-o''"
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exit 2
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fi
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fi
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# Check the status of a service
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STATUS_MSG=$(eval "$SERVICETOOL" 2>&1)
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EXIT_CODE=$?
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## Exit code from the service tool - if it's non-zero, we should
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## probably return CRITICAL. (though, in some cases UNKNOWN would
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## probably be more appropriate)
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[ $EXIT_CODE -ne 0 ] && echo "$STATUS_MSG" && exit $CRITICAL
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## For systemd and most systems, $EXIT_CODE can be trusted - if it's 0, the service is running.
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## Ref https://github.com/jonschipp/nagios-plugins/issues/15
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[ $TRUST_EXIT_CODE -eq 1 ] && [ $EXIT_CODE -eq 0 ] && echo "$STATUS_MSG" && exit $OK
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case $STATUS_MSG in
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*stop*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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*STOPPED*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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*not*running*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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*NOT*running*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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*NOT*RUNNING*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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#*inactive*)
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# echo "$STATUS_MSG"
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# exit $CRITICAL
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# ;;
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*dead*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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*running*)
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echo "$STATUS_MSG"
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exit $OK
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;;
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*RUNNING*)
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echo "$STATUS_MSG"
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exit $OK
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;;
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*SUCCESS*)
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echo "$STATUS_MSG"
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exit $OK
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;;
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*[eE]rr*)
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echo "Error in command: $STATUS_MSG"
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exit $CRITICAL
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;;
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*[fF]ailed*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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*[eE]nable*)
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echo "$STATUS_MSG"
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exit $OK
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;;
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*[dD]isable*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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*[cC]annot*)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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*[aA]ctive*)
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echo "$STATUS_MSG"
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exit $OK
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;;
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*Subsystem*not*on*file)
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echo "$STATUS_MSG"
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exit $CRITICAL
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;;
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[1-9][1-9]*)
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echo "$SERVICE running: $STATUS_MSG"
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exit $OK
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;;
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"")
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echo "$SERVICE is not running: no output from service command"
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exit $CRITICAL
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;;
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*)
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echo "Unknown status: $STATUS_MSG"
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echo "Is there a typo in the command or service configuration?: $STATUS_MSG"
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exit $UNKNOWN
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;;
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*0\ loaded*)
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echo "$STATUS_MSG"
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exit $OK
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;;
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esac
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48
check_service.sh/nagios-plugins-check_service.spec
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48
check_service.sh/nagios-plugins-check_service.spec
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@ -0,0 +1,48 @@
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%define debug_package %{nil}
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Summary: A Nagios plugin to check services on Linux servers
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Name: nagios-plugins-check_service
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Version: 0
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Release: 1%{?dist}
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License: GPLv2+
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Group: Applications/System
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URL: https://github.com/jonschipp/nagios-plugins/blob/master/check_service.sh
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Source0: http://opensource.ok.is/trac/browser/nagios-plugins/check_service/releases/nagios-plugins-check_service-%{version}.tar.gz
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Requires: nrpe
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BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
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Packager: Gardar Thorsteinsson <gardar@ok.is>
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BuildArch: noarch
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%description
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Check status of system services for Linux, FreeBSD, OSX, and AIX.
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%prep
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%setup -q
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perl -pi -e "s|/usr/lib/|%{_libdir}/|g" nrpe.d/check_service.cfg
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perl -pi -e "s|/usr/lib64/|%{_libdir}/|g" nrpe.d/check_service.cfg
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%build
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%install
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rm -rf %{buildroot}
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install -D -p -m 0755 check_service.sh %{buildroot}%{_libdir}/nagios/plugins/check_service.sh
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install -D -p -m 0755 nrpe.d/check_service.cfg %{buildroot}/etc/nrpe.d/check_service.cfg
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%clean
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rm -rf %{buildroot}
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%post
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/sbin/service nrpe reload
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%files
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%defattr(-,root,root,-)
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#%doc README LICENSE
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%{_libdir}/nagios/plugins/*
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/etc/nrpe.d/check_service.cfg
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%changelog
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* Tue Apr 21 2020 <gardar@ok.is> 0.1-1
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- Initial packaging
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1
check_service.sh/nrpe.d/check_service.cfg
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1
check_service.sh/nrpe.d/check_service.cfg
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@ -0,0 +1 @@
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command[check_service]=/usr/lib/nagios/plugins/check_service.sh
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