服务启动脚本start_boot.sh

vim start_boot.sh

#!/bin/bash

usage(){
echo "$0 [start|stop|usage]"
}

status_springboot(){
ps axu | grep "${jar_file}" | grep -v 'grep'
}
start_springboot(){
echo "springboot start"
#if [ `hostname` = "${jar_menu}01"  ]
#then
nohup java -server -Xmx${MEM_SIZE}m -Xms${MEM_SIZE}m  -Dio.netty.leakDetection.level=advanced -XX:+UseG1GC -XX:MaxGCPauseMillis=100 -jar ${jar_file} > /dev/null 2>&1 &
#else
nohup java -server -Xmx${MEM_SIZE}m -Xms${MEM_SIZE}m  -Dio.netty.leakDetection.level=advanced -XX:+UseG1GC -XX:MaxGCPauseMillis=100  -jar ${jar_file} > /dev/null 2>&1 &
#fi
}

stop_springboot(){
springboot_pid=` ps axu | grep "${jar_file}" | grep -v 'grep' | awk '{print $2}'`
kill -9 $springboot_pid
sleep 5;
TSTAT=$(ps axu | grep "${jar_file}" | grep -v 'grep' | awk '{print $2}')
if [ -z $TSTAT ];then
echo "springboot stop"
else
kill -9 $TSTAT
fi
}

function main(){

jar_menu=`hostname | cut -d"0" -f1`
[ -d /data/work/${jar_menu} ] || { echo -e "menu is not exist";exit 2; }
data_path="/data/work/${jar_menu}"
cd ${data_path}
jar_file=`ls -lrt *.jar | tail -1 | awk '{print $9}'`

#############judge jvm memory#######
total_memory=$(vmstat -s -S M|awk 'NR==1{print $1}')
avi_mem_size=$((${total_memory}/1024))
if [ ${avi_mem_size} -gt 6 ];then
MEM_SIZE="4096"
elif [ ${avi_mem_size} -le 4 ];then
MEM_SIZE="2048"
fi
echo ${MEM_SIZE}
case $1 in

start)
start_springboot
;;
stop)
stop_springboot
;;
status)
status_springboot
;;
restart)
stop_springboot
sleep 5
start_springboot
;;
*)
usage
;;
esac

}
main $1