Refactored watchdog to be easier to add additional services.
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Brett
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af46fdc012
commit
a1d51af656
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@ -1,83 +1,54 @@
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#!/bin/bash
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# Add any services to be watched by the watchdog to the SERVICE_LIST
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# Format of the service list: "Display Name" "Service Name" "semicolon delimited list of watchdog arguments"
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SERVICE_LIST=(
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"LiteSpeed" "lsws" "lsws;web;litespeed;openlitespeed"
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"MariaDB" "mariadb" "mariadb;database;mysql"
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"PowerDNS" "pdns" "powerdns;dns"
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"Dovecot" "dovecot" "dovecot;imap;pop3"
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"PostFix" "postfix" "postfix;smtp"
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"Pure-FTPd" "pure-ftpd" "pureftpd;pure-ftpd;ftp"
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)
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SERVICE_COUNT=$((${#SERVICE_LIST[@]}/3))
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show_help() {
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echo -e "\nrun command: \e[31mnohup bash /etc/cyberpanel/watchdog.sh SERVICE_NAME >/dev/null 2>&1 &\e[39m"
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echo -e "\nreplace \e[31mSERVICE_NAME\e[39m to the service name, acceptable word: \e[31mmariadb\e[39m, \e[31mlsws\e[39m, \e[31mpowerdns\e[39m, \e[31mdovecot\e[39m, \e[31mpostfix\e[39m, or \e[31mpureftpd\e[39m"
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echo -e "\nWatchdog will check service status every 60 seconds and tries to restart if it is not running and also send an email to designated address"
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echo -e "\nto exit watchdog , run command \e[31mbash /etc/cyberpanel/watchdog.sh kill\e[39m"
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echo -e "\n\nplease also create \e[31m/etc/cyberpanel/watchdog.flag\e[39m file with following format:"
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echo -e "TO=address@email.com"
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echo -e "SENDER=sender name"
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echo -e "FROM=sender@email.com"
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echo -e "You may proceed without flag file , but that will make email sending failed."
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echo -e "\nrun command: \e[31mnohup bash /etc/cyberpanel/watchdog.sh SERVICE_NAME >/dev/null 2>&1 &\e[39m"
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echo -e "\nreplace \e[31mSERVICE_NAME\e[39m to the service name, acceptable word:"
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for ((x=0; x<SERVICE_COUNT; x++)) ; do
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IFS=';' read -ra SERVICE_ARGS <<< "${SERVICE_LIST[(x*3)+2]}"
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echo -e " \e[31m${SERVICE_ARGS[0]}\e[39m"
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done
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echo -e "\nWatchdog will check service status every 60 seconds and tries to restart if it is not running and also send an email to designated address"
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echo -e "\nto exit watchdog , run command \e[31mbash /etc/cyberpanel/watchdog.sh kill\e[39m"
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echo -e "\n\nplease also create \e[31m/etc/cyberpanel/watchdog.flag\e[39m file with following format:"
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echo -e "TO=address@email.com"
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echo -e "SENDER=sender name"
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echo -e "FROM=sender@email.com"
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echo -e "You may proceed without flag file , but that will make email sending failed."
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}
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watchdog_check() {
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echo -e "\nChecking LiteSpeed ..."
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pid=$(ps aux | grep "watchdog lsws" | grep -v grep | awk '{print $2}')
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for ((x=0; x<SERVICE_COUNT; x++)) ; do
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DISPLAY_NAME=${SERVICE_LIST[x*3]}
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SERVICE_NAME=${SERVICE_LIST[(x*3)+1]}
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IFS=';' read -ra SERVICE_ARGS <<< "${SERVICE_LIST[(x*3)+2]}"
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SERVICE_ARG=${SERVICE_ARGS[0]}
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echo -e "\nChecking ${DISPLAY_NAME}..."
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pid=$(ps aux | grep "watchdog ${SERVICE_ARG}" | grep -v grep | awk '{print $2}')
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if [[ "$pid" == "" ]] ; then
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echo -e "\nWatchDog for LSWS is gone , restarting..."
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nohup watchdog lsws > /dev/null 2>&1 &
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echo -e "\nWatchDog for LSWS has been started..."
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echo -e "\nWatchDog for ${DISPLAY_NAME} is gone , restarting..."
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nohup watchdog ${SERVICE_ARG} > /dev/null 2>&1 &
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echo -e "\nWatchDog for ${DISPLAY_NAME} has been started..."
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else
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echo -e "\nWatchDog for LSWS is running...\n"
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echo $(ps aux | grep "watchdog lsws" | grep -v grep)
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fi
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echo -e "\nChecking MariaDB ..."
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pid=$(ps aux | grep "watchdog mariadb" | grep -v grep | awk '{print $2}')
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if [[ "$pid" == "" ]] ; then
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echo -e "\nWatchDog for MariaDB is gone , restarting..."
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nohup watchdog mariadb > /dev/null 2>&1 &
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echo -e "\nWatchDog for MariaDB has been started..."
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else
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echo -e "\nWatchDog for MariaDB is running...\n"
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echo $(ps aux | grep "watchdog mariadb" | grep -v grep)
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fi
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echo -e "\nChecking PowerDNS ..."
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pid=$(ps aux | grep "watchdog powerdns" | grep -v grep | awk '{print $2}')
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if [[ "$pid" == "" ]] ; then
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echo -e "\nWatchDog for PowerDNS is gone , restarting..."
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nohup watchdog powerdns > /dev/null 2>&1 &
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echo -e "\nWatchDog for PowerDNS has been started..."
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else
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echo -e "\nWatchDog for PowerDNS is running...\n"
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echo $(ps aux | grep "watchdog powerdns" | grep -v grep)
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fi
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echo -e "\nChecking Dovecot ..."
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pid=$(ps aux | grep "watchdog dovecot" | grep -v grep | awk '{print $2}')
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if [[ "$pid" == "" ]] ; then
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echo -e "\nWatchDog for Dovecot is gone , restarting..."
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nohup watchdog dovecot > /dev/null 2>&1 &
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echo -e "\nWatchDog for Dovecot has been started..."
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else
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echo -e "\nWatchDog for Dovecot is running...\n"
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echo $(ps aux | grep "watchdog dovecot" | grep -v grep)
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fi
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echo -e "\nChecking Postfix ..."
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pid=$(ps aux | grep "watchdog postfix" | grep -v grep | awk '{print $2}')
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if [[ "$pid" == "" ]] ; then
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echo -e "\nWatchDog for Postfix is gone , restarting..."
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nohup watchdog postfix > /dev/null 2>&1 &
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echo -e "\nWatchDog for Postfix has been started..."
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else
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echo -e "\nWatchDog for Postfix is running...\n"
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echo $(ps aux | grep "watchdog postfix" | grep -v grep)
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fi
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echo -e "\nChecking Pure-FTPd ..."
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pid=$(ps aux | grep "watchdog pureftpd" | grep -v grep | awk '{print $2}')
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if [[ "$pid" == "" ]] ; then
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echo -e "\nWatchDog for Pure-FTPd is gone , restarting..."
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nohup watchdog pureftpd > /dev/null 2>&1 &
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echo -e "\nWatchDog for Pure-FTPd has been started..."
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else
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echo -e "\nWatchDog for Pure-FTPd is running...\n"
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echo $(ps aux | grep "watchdog pureftpd" | grep -v grep)
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echo -e "\nWatchDog for ${DISPLAY_NAME} is running...\n"
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echo $(ps aux | grep "watchdog ${SERVICE_ARG}" | grep -v grep)
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fi
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done
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}
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check_service() {
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@ -130,62 +101,49 @@ MAIL_END
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fi
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}
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if [[ $1 == "mariadb" ]] || [[ $1 == "database" ]] || [[ $1 == "mysql" ]] ; then
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NAME="mariadb"
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echo "Watchdog on MariaDB is started up ..."
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elif [[ $1 == "web" ]] || [[ $1 == "lsws" ]] || [[ $1 == "litespeed" ]] || [[ $1 == "openlitespeed" ]] ; then
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NAME="lsws"
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echo "Watchdog on LiteSpeed is started up ..."
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elif [[ $1 == "powerdns" ]] || [[ $1 == "dns" ]] ; then
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NAME="pdns"
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echo "Watchdog on PowerDNS is starting up ..."
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elif [[ $1 == "dovecot" ]] || [[ $1 == "imap" ]] || [[ $1 == "pop3" ]]; then
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NAME="dovecot"
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echo "Watchdog on Dovecot is starting up ..."
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elif [[ $1 == "postfix" ]] || [[ $1 == "smtp" ]] ; then
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NAME="postfix"
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echo "Watchdog on PostFix is starting up ..."
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elif [[ $1 == "pureftpd" ]] || [[ $1 == "ftp" ]] || [[ $1 == "pure-ftpd" ]]; then
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NAME="pure-ftpd"
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echo "Watchdog on Pure-FTPd is starting up ..."
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elif [[ $1 == "help" ]] || [[ $1 == "-h" ]] || [[ $1 == "--help" ]] || [[ $1 == "" ]] ; then
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if [[ $1 == "help" ]] || [[ $1 == "-h" ]] || [[ $1 == "--help" ]] || [[ $1 == "" ]] ; then
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show_help
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exit
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exit
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elif [[ $1 == "check" ]] || [[ $1 == "status" ]] ; then
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watchdog_check
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exit
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elif [[ $1 == "kill" ]] ; then
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pid=$(ps aux | grep "watchdog lsws" | grep -v grep | awk '{print $2}')
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if [[ "$pid" != "" ]] ; then
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kill -15 $pid
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for ((x=0; x<SERVICE_COUNT; x++)); do
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IFS=';' read -ra SERVICE_ARGS <<< "${SERVICE_LIST[(x*3)+2]}"
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SERVICE_ARG=${SERVICE_ARGS[0]}
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pid=$(ps aux | grep "watchdog ${SERVICE_ARG}" | grep -v grep | awk '{print $2}')
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if [[ "$pid" != "" ]] ; then
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kill -15 $pid
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fi
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done
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echo "watchdog has been killed..."
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exit
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fi
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pid=$(ps aux | grep "watchdog mariadb" | grep -v grep | awk '{print $2}')
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if [[ "$pid" != "" ]] ; then
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kill -15 $pid
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fi
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pid=$(ps aux | grep "watchdog powerdns" | grep -v grep | awk '{print $2}')
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if [[ "$pid" != "" ]] ; then
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kill -15 $pid
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fi
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pid=$(ps aux | grep "watchdog dovecot" | grep -v grep | awk '{print $2}')
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if [[ "$pid" != "" ]] ; then
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kill -15 $pid
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fi
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pid=$(ps aux | grep "watchdog postfix" | grep -v grep | awk '{print $2}')
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if [[ "$pid" != "" ]] ; then
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kill -15 $pid
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fi
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pid=$(ps aux | grep "watchdog pureftpd" | grep -v grep | awk '{print $2}')
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if [[ "$pid" != "" ]] ; then
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kill -15 $pid
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fi
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echo "watchdog has been killed..."
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exit
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else
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show_help
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echo -e "\n\n\nunknown service name..."
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exit
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# Check if $1 matches any service argument names
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SERVICE_FOUND=0
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for ((x=0; x<SERVICE_COUNT; x++)) ; do
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DISPLAY_NAME=${SERVICE_LIST[x*3]}
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SERVICE_NAME=${SERVICE_LIST[(x*3)+1]}
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IFS=';' read -ra SERVICE_ARGS <<< "${SERVICE_LIST[(x*3)+2]}"
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SERVICE_ARG=${SERVICE_ARGS[0]}
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for arg in "${SERVICE_ARGS[@]}" ; do
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if [[ $1 == "$arg" ]] ; then
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SERVICE_FOUND=1
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NAME=$SERVICE_NAME
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echo "Watchdog on ${DISPLAY_NAME} is starting up ..."
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fi
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done
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done
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if [[ $SERVICE_FOUND == 0 ]] ; then
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echo -e "unknown service name \e[31m$1\e[39m..."
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show_help
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exit
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fi
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