1 #!/bin/bash
2
3 JAVA_HOME=/usr/java/default
4
5 #java虚拟机启动参数
6 JAVA_OPTS="-server -Xms1366m -Xmx2g -Xmn768m -Xss256k -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=256M -XX:SurvivorRatio=8 -XX:MaxTenuringThreshold=5 -XX:GCTimeRatio=19 -Xnoclassgc -XX:+DisableExplicitGC -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+UseCMSCompactAtFullCollection -XX:CMSFullGCsBeforeCompaction=0 -XX:-CMSParallelRemarkEnabled -XX:CMSInitiatingOccupancyFraction=70 -XX:SoftRefLRUPolicyMSPerMB=0 -XX:+PrintClassHistogram -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintHeapAtGC -Xloggc:/data/logs/video-api/gc.log "
7
8 #这里可替换为你自己的执行程序，其他代码无需更改
9 APP_NAME=video.jar
10 APP_USER=tomcat
11
12 #SHUTDOWN_WAIT is wait time in seconds for java proccess to stop
13 SHUTDOWN_WAIT=90
14
15 workdir=$(cd $(dirname $0); pwd)
16
17 #使用说明，用来提示输入参数
18 usage() {
19 echo "Usage: sh 执行脚本.sh [start|stop|restart|status]"
20 exit 1
21 }
22
23 #检查程序是否在运行
24 is_exist(){
25 pid=`ps -ef|grep $APP_NAME|grep -v grep|awk '{print $2}' `
26 #如果不存在返回1，存在返回0
27 if [ -z "${pid}" ]; then
28 return 1
29 else
30 return 0
31 fi
32 }
33
34 # @args <beg> <end>
35 # return random integer in [<beg>, <end>)
36 function random_range() {
37 local beg=$1
38 local end=$2
39 echo $((RANDOM % ($end - $beg) + $beg))
40 }
41
42 #启动方法
43 start(){
44 is_exist
45 if [ $? -eq "0" ]; then
46 echo "${APP_NAME} is already running. pid=${pid} ."
47 else
48 #port=$(random_range 30000 60000)
49 port=8004
50 nohup java $JAVA_OPTS -jar $workdir/$APP_NAME --server.port=$port > /dev/null 2>&1 &
51 is_exist
52 if [ $? -eq "0" ]; then
53 echo "${APP_NAME} started. pid=${pid}, port=$port."
54 fi
55 fi
56 }
57
58 #停止方法
59 stop(){
60 is_exist
61 if [ $? -eq "0" ]; then
62 kill $pid
63
64
65 let kwait=$SHUTDOWN_WAIT
66 count=0;
67 until [ `ps -p $pid | grep -c $pid` = '0' ] || [ $count -gt $kwait ]
68 do
69 echo -n -e "\n\e[00;31mwaiting for processes to exit\e[00m";
70 sleep 1
71 let count=$count+1;
72 done
73
74 if [ $count -gt $kwait ]; then
75 echo -n -e "\n\e[00;31mkilling processes didn't stop after $SHUTDOWN_WAIT seconds\e[00m"
76 kill -9 $pid
77 fi
78
79 echo "${APP_NAME} stoped."
80 else
81 echo "${APP_NAME} is not running"
82 fi
83 }
84
85 #输出运行状态
86 status(){
87 is_exist
88 if [ $? -eq "0" ]; then
89 echo "${APP_NAME} is running. Pid is ${pid}"
90 else
91 echo "${APP_NAME} is NOT running."
92 fi
93 }
94
95 #重启
96 restart(){
97 stop
98 start
99 }
100
101 #根据输入参数，选择执行对应方法，不输入则执行使用说明
102 case "$1" in
103 "start")
104 start
105 ;;
106 "stop")
107 stop
108 ;;
109 "status")
110 status
111 ;;
112 "restart")
113 restart
114 ;;
115 *)
116 usage
117 ;;
118 esac
