Linux下shell通用脚本启动jar(微服务)

Linux下shell通用脚本启动jar(微服务)

vim app_jar.sh

#!/bin/bash

#source /etc/profile
# Auth:Liucx
# Please change these parameters according to your real env.
# set Java Home: Remember that dolphin only supports JDK8!
JAVA_HOME=/usr/java/jdk1..0_162 # application directory
cd `dirname $`
APP_HOME=`pwd` APP_NAME="`cd ${APP_HOME} && find -name '*.jar' `"
JAR_HOME=`pwd |awk -F"/" '{print $NF}'`
# Java JVM lunch parameters
if [ x"$JAVA_MEM_OPTS" == x ];then
JAVA_MEM_OPTS="-server -Xms512m -Xmx512m -Xmn128m -Xss256k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 "
fi # waiting timeout for starting, in seconds
START_WAIT_TIMEOUT= psid= checkpid() {
javaps=`$JAVA_HOME/bin/jps -l | grep "$JAR_HOME"`
if [ -n "$javaps" ]; then
psid=`echo $javaps | awk '{print $1}'`
else
psid=
fi
} start() {
checkpid if [ $psid -ne ]; then
echo "================================"
echo "warn: $APP_NAME already started! (pid=$psid)"
echo "================================"
else
echo -n "Starting $APP_NAME ..."
#-Dspring.profiles.active=dev 指定环境
nohup $JAVA_HOME/bin/java -jar -Dspring.profiles.active=dev -DCONFIG_ENABLE=true $JAVA_MEM_OPTS ${APP_NAME} >${JAR_HOME}.log >& &
checkpid
if [ $psid -ne ]; then
echo "(pid=$psid) [OK]"
else
echo "[Failed]"
fi
fi
} stop() { sleep
checkpid if [ $psid -ne ]; then
echo -n "Stopping $APP_NAME ...(pid=$psid) "
#kill - $psid
kill - $psid
if [ $? -eq ]; then
echo "[OK]"
else
echo "[Failed]"
fi # checkpid
# if [ $psid -ne ]; then
# stop
# fi
else
echo "================================"
echo "warn: $APP_NAME is not running"
echo "================================"
fi
} status() {
checkpid if [ $psid -ne ]; then
echo "$APP_NAME is running! (pid=$psid)"
else
echo "$APP_NAME is not running"
fi
} info() {
echo "System Information:"
echo "****************************"
echo `head -n /etc/issue`
echo `uname -a`
echo
echo "JAVA_HOME=$JAVA_HOME"
echo `$JAVA_HOME/bin/java -version`
echo
echo "APP_HOME=$APP_HOME"
echo "APP_NAME=$APP_NAME"
echo "****************************"
} case "$1" in
'start')
start
;;
'stop')
stop
;;
'restart')
stop
echo "You restart the application ..."
start #
;;
'status')
status
;;
'info')
info
;;
*)
echo "Usage: $0 {start|stop|restart|status|info}"
exit
esac

使用方式:

app_jar.sh  start

app_jar.sh  stop

app_jar.sh  restart

注:该脚本只需要放在jar包当前目录下即可,脚本当前目录只允许存在一个jar包,如果多个会同时启动或重启

还需提醒下:启动的jar包名主体不能改变,防止脚本无效。目前正在公司生产环境使用中,希望您纠正,提出建议。

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