mirror of
https://github.com/usmannasir/cyberpanel.git
synced 2025-11-06 21:35:55 +01:00
121 lines
3.9 KiB
Bash
121 lines
3.9 KiB
Bash
#!/bin/bash
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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 or \e[31mlsws\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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}
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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 $2}')
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if [[ "$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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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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}
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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 == "help" ]] || [[ $1 == "-h" ]] || [[ $1 == "--help" ]] || [[ $1 == "" ]] ; then
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show_help
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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 $pid
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fi
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pid=$(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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echo "watchdo 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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fi
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while [ true = true ]
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do
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systemctl status $NAME 2>&1>/dev/null
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if [[ $? == "0" ]] ; then
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if [[ $NAME == "mariadb" ]] ; then
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pid=$(ps aux | grep "/usr/sbin/mysqld" | grep -v grep | awk '{print $2}')
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if [[ $pid != "" ]] ; then
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echo "-1000" > /proc/$pid/oom_score_adj
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fi
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pid=$(ps aux | grep "/usr/sbin/mysqld" | grep -v grep | awk '{print $2}')
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if [[ $pid != "" ]] ; then
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echo "-1000" > /proc/$pid/oom_score_adj
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fi
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fi
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echo "$NAME service is running..."
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else
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echo "$NAME is down , try to restart it..."
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if [[ $NAME == "lsws" ]] ; then
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pkill lsphp
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fi
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if [[ $NAME == "mariadb" ]] ; then
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pid=$(ps aux | grep "/usr/sbin/mysqld" | grep -v grep | awk '{print $2}')
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if [[ $pid != "" ]] ; then
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echo "-1000" > /proc/$pid/oom_score_adj
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fi
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pid=$(ps aux | grep "/usr/sbin/mysqld" | grep -v grep | awk '{print $2}')
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if [[ $pid != "" ]] ; then
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echo "-1000" > /proc/$pid/oom_score_adj
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fi
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fi
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systemctl stop $NAME
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systemctl start $NAME
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if [ -f /etc/cyberpanel/watchdog.flag ] ; then
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flag="/etc/cyberpanel/watchdog.flag"
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LINE3=$(awk 'NR==3' $flag)
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LINE2=$(awk 'NR==2' $flag)
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LINE1=$(awk 'NR==1' $flag)
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FROM=${LINE3#*=}
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SENDER=${LINE2#*=}
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TO=${LINE1#*=}
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sendmail -F $SENDER -f $FROM -i $TO <<MAIL_END
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Subject: $NAME is down...
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To: $TO
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$NAME is down , watchdog attempted to restarting it...
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MAIL_END
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fi
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fi
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sleep 60
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done
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