Merge branch 'stable' into v2.0.3-dev

CPScripts/watchdog.sh

@@ -0,0 +1,108 @@
+#!/bin/bash
+
+show_help() {
+echo -e "\nrun command: \e[31mnohup bash /etc/cyberpanel/watchdog.sh SERVICE_NAME >/dev/null 2>&1 &\e[39m"
+echo -e "\nreplace \e[31mSERVICE_NAME\e[39m to the service name, acceptable word: \e[31mmariadb\e[39m or \e[31mlsws\e[39m"
+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"
+echo -e "\nto exit watchdog , run command \e[31mbash /etc/cyberpanel/watchdog.sh kill\e[39m"
+echo -e "\n\nplease also create \e[31m/etc/cyberpanel/watchdog.flag\e[39m file with following format:"
+echo -e "TO=address@email.com"
+echo -e "SENDER=sender name"
+echo -e "FROM=sender@email.com"
+echo -e "You may proceed without flag file , but that will make email sending failed."
+}
+
+watchdog_check() {
+echo -e "\nChecking LiteSpeed ..."
+pid=$(ps aux | grep "watchdog lsws"  | grep -v grep | awk '{print $2}')
+	if [[ "$pid" == "" ]] ; then
+		echo -e "\nWatchDog for LSWS is gone , restarting..."
+		nohup watchdog lsws > /dev/null 2>&1 &
+		echo -e "\nWatchDog for LSWS has been started..."
+	else
+		echo -e "\nWatchDog for LSWS is running...\n"
+		echo $(ps aux | grep "watchdog lsws"  | grep -v grep)
+	fi
+echo -e "\nChecking MariaDB ..."
+pid=$(ps aux | grep "watchdog mariadb"  | grep -v grep | awk '{print $2}')
+	if [[ "$pid" == "" ]] ; then
+		echo -e "\nWatchDog for MariaDB is gone , restarting..."
+		nohup watchdog mariadb > /dev/null 2>&1 &
+		echo -e "\nWatchDog for MariaDB has been started..."
+	else
+		echo -e "\nWatchDog for MariaDB is running...\n"
+		echo $(ps aux | grep "watchdog mariadb"  | grep -v grep)
+	fi
+}
+
+if [[ $1 == "mariadb" ]] || [[ $1 == "database" ]] || [[ $1 == "mysql" ]] ; then
+	NAME="mariadb"
+	echo "Watchdog on MariaDB is started up ..."
+elif [[ $1 == "web" ]] || [[ $1 == "lsws" ]] || [[ $1 == "litespeed" ]] || [[ $1 == "openlitespeed" ]] ; then
+	NAME="lsws"
+	echo "Watchdog on LiteSpeed is started up ..."
+elif [[ $1 == "help" ]] || [[ $1 == "-h" ]] || [[ $1 == "--help" ]] || [[ $1 == "" ]] ; then
+	show_help
+exit
+elif [[ $1 == "check" ]] || [[ $1 == "status" ]] ; then
+	watchdog_check
+	exit
+elif [[ $1 == "kill" ]] ; then
+pid=$(ps aux | grep "watchdog lsws"  | grep -v grep | awk '{print $2}')
+if [[ "$pid" != "" ]] ; then
+kill -15 $pid
+fi
+pid=$(ps aux | grep "watchdog mariadb"  | grep -v grep | awk '{print $2}')
+if [[ "$pid" != "" ]] ; then
+kill -15 $pid
+fi
+echo "watchdo has been killed..."
+exit
+else
+show_help
+
+echo -e "\n\n\nunknown service name..."
+exit
+fi
+
+
+
+while [ true = true ]
+	do
+		systemctl status $NAME 2>&1>/dev/null
+			if [[ $? == "0" ]] ; then
+				if [[ $NAME == "mariadb" ]] ; then
+				pid=$(ps aux | grep "/usr/sbin/mysqld"  | grep -v grep | awk '{print $2}')
+				echo "-1000" > /proc/$pid/oom_score_adj
+				fi
+				echo "$NAME service is running..."
+			else
+				echo "$NAME is down , try to restart it..."
+				if [[ $NAME == "lsws" ]] ; then
+					pkill lsphp
+				fi
+				if [[ $NAME == "mariadb" ]] ; then
+				pid=$(ps aux | grep "/usr/sbin/mysqld"  | grep -v grep | awk '{print $2}')
+				echo "-1000" > /proc/$pid/oom_score_adj
+				fi
+				systemctl stop $NAME
+				systemctl start $NAME
+				if [ -f /etc/cyberpanel/watchdog.flag ] ; then
+				flag="/etc/cyberpanel/watchdog.flag"
+				LINE3=$(awk 'NR==3' $flag)
+				LINE2=$(awk 'NR==2' $flag)
+				LINE1=$(awk 'NR==1' $flag)
+
+				FROM=${LINE3#*=}
+				SENDER=${LINE2#*=}
+				TO=${LINE1#*=}
+				sendmail -F $SENDER -f $FROM -i $TO <<MAIL_END
+Subject: $NAME is down...
+To: $TO
+$NAME is down , watchdog attempted to restarting it...
+
+MAIL_END
+				fi
+			fi
+	sleep 60
+done