Created
January 27, 2018 15:06
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Java Application bash script for start/stop/restart
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| #! /bin/sh | |
| # Logging | |
| LOG_PATH=logs | |
| LOG_FILE=application.log | |
| mkdir -p $LOG_PATH | |
| # Location of the pid file. | |
| PIDDIR="." | |
| PIDFILE="$PIDDIR/app.pid" | |
| pid="" | |
| getpid() { | |
| if [ -f "$PIDFILE" ] | |
| then | |
| if [ -r "$PIDFILE" ] | |
| then | |
| pid=`cat "$PIDFILE"` | |
| if [ "X$pid" != "X" ] | |
| then | |
| pidtest=`ps -p $pid -o args | grep java | tail -1` | |
| if [ "X$pidtest" = "X" ] | |
| then | |
| rm -f "$PIDFILE" | |
| echo "Delete stale pid file" | |
| pid="" | |
| fi | |
| fi | |
| fi | |
| fi | |
| } | |
| testpid() { | |
| pid=`ps -p $pid | grep $pid | grep -v grep | awk '{print $1}' | tail -1` | |
| if [ "X$pid" = "X" ] | |
| then | |
| # Process is gone so remove the pid file. | |
| rm -f "$PIDFILE" | |
| pid="" | |
| fi | |
| } | |
| start() { | |
| echo "Starting application..." | |
| getpid | |
| if [ "X$pid" = "X" ] | |
| then | |
| CMD="nohup java -jar *.jar >> $LOG_PATH/$LOG_FILE 2>&1 &" | |
| eval $CMD | |
| else | |
| echo "Application already running." | |
| exit 1 | |
| fi | |
| sleep 10 | |
| getpid | |
| if [ "X$pid" != "X" ] | |
| then | |
| echo "Application started!" | |
| else | |
| echo "Application did not start after 10 seconds. Check $LOG_PATH/$LOG_FILE" | |
| fi | |
| } | |
| stopit() { | |
| echo "Stopping application..." | |
| getpid | |
| if [ "X$pid" = "X" ] | |
| then | |
| echo "Application not running." | |
| else | |
| kill $pid | |
| if [ $? -ne 0 ] | |
| then | |
| echo "Unable to stop application." | |
| exit 1 | |
| fi | |
| savepid=$pid | |
| CNT=0 | |
| TOTCNT=0 | |
| while [ "X$pid" != "X" ] | |
| do | |
| # Show a waiting message every 5 seconds. | |
| if [ "$CNT" -lt "5" ] | |
| then | |
| CNT=`expr $CNT + 1` | |
| else | |
| echo "Waiting for application to exit..." | |
| CNT=0 | |
| fi | |
| TOTCNT=`expr $TOTCNT + 1` | |
| sleep 1 | |
| testpid | |
| done | |
| pid=$savepid | |
| testpid | |
| if [ "X$pid" != "X" ] | |
| then | |
| echo "Failed to stop application." | |
| exit 1 | |
| else | |
| echo "Stopped application." | |
| fi | |
| fi | |
| } | |
| status() { | |
| getpid | |
| if [ "X$pid" = "X" ] | |
| then | |
| echo "Application is not running." | |
| exit 1 | |
| else | |
| echo "Application is running ($pid)." | |
| exit 0 | |
| fi | |
| } | |
| case "$1" in | |
| 'start') | |
| start | |
| ;; | |
| 'stop') | |
| stopit | |
| ;; | |
| 'restart') | |
| stopit | |
| start | |
| ;; | |
| 'status') | |
| status | |
| ;; | |
| *) | |
| echo "Usage: $0 { start | stop | restart | status }" | |
| exit 1 | |
| esac | |
| exit 0 |
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