-
-
Notifications
You must be signed in to change notification settings - Fork 588
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
3 changed files
with
118 additions
and
6 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters