[linux 2021-10-14] linux中启动jar的shell脚本

  1 #!/bin/bash
  2 
  3 #项目jar名称
  4 JAR_FILE=$2
  5 APP_NAME=${JAR_FILE%.*}
  6 
  7 #JDK指定
  8 #JAVA_HOME=/app/java/jdk8
  9 
 10 #关闭debug模式则设置为空
 11 APP_DEBUGE=
 12 #APP_DEBUGE="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=18099"
 13 
 14 #JVM参数  -Xms程序启动时占用内存大小 -Xmx程序运行期间最大可占用的内存大小 -Xss设定每个线程的堆栈大小   -Xmn 年轻代大小
 15 #JVM_OPTS=
 16 JVM_OPTS='-Xms1024m -Xmx1024m  -Xss256k -XX:MaxPermSize=512m -XX:NewRatio=4 -XX:+UseParallelGC -XX:ParallelGCThreads=8 -XX:+UseAdaptiveSizePolicy -verbose:gc -XX:+PrintGCTimeStamps -XX:+PrintGCDetails -XX:-HeapDumpOnOutOfMemoryError -Xloggc:verbose-gc-sp.txt'
 17 
 18 
 19 # 如果不指定jdk则使用默认
 20 if [[ -n "$JAVA_HOME" ]] && [[ -x "$JAVA_HOME/bin/java" ]]; then
 21     javaexe="$JAVA_HOME/bin/java"
 22 elif type -p java > /dev/null 2>&1; then
 23     javaexe=$(type -p java)
 24 elif [[ -x "/usr/bin/java" ]];  then
 25     javaexe="/usr/bin/java"
 26 else
 27     echo "Unable to find Java"
 28     exit 1
 29 fi
 30 
 31 # 项目配置文件路径
 32 #APP_CONF="$APP_HOME/conf/application.properties"
 33 
 34 # 日志文件
 35 LOG_FILE=
 36 #LOG_FILE="--logging.config=$APP_HOME/conf/logback-spring.xml"
 37 
 38 # 校验进程
 39 APP_PID=$APP_NAME.pid
 40 
 41 #APP_CONF="--spring.config.location=file:$APP_CONF "
 42 APP_CONF=
 43 
 44 start(){
 45  checkpid
 46  if [ $? -eq 0 ]; then
 47     echo JDK路径: $javaexe
 48     echo 项目名称: $JAR_FILE
 49     echo 配置文件: $APP_CONF
 50     echo JVM参数: $JVM_OPTS
 51 
 52     if  [ ! -n "$APP_DEBUGE" ] ;then
 53         echo "关闭debug模式!"
 54     else
 55         echo "开启debug模式!"
 56     fi
 57 
 58     /bin/sh -c  "$javaexe -jar $APP_DEBUGE $JVM_OPTS $JAR_FILE $APP_CONF  $LOG_FILE > /dev/null 2>&1 & echo $!" > "$APP_PID"
 59     echo "---------------------------------"
 60     pid=$(cat "$APP_PID")
 61     echo "启动完成，pid:$pid"
 62     echo "---------------------------------"
 63     sleep 2s
 64   else
 65       echo "$APP_NAME is runing PID: $pid"
 66   fi
 67 
 68 }
 69 
 70 status(){
 71    checkpid
 72    if [ $? -eq 0 ]; then
 73      echo  "$APP_NAME not runing"
 74    else
 75      echo "$APP_NAME runing PID: $pid"
 76    fi
 77 }
 78 
 79 checkpid(){
 80    if [[ -f "$APP_PID" ]]; then
 81         pid=$(cat "$APP_PID")
 82         checkPidNum
 83         if [ $? -eq 0 ];then
 84             return 0;
 85         else
 86             return 1;
 87         fi
 88    else
 89         checkPidNum
 90         if [ $? -eq 0 ];then
 91             echo "${?}"
 92             return 0;
 93         else
 94             return 1;
 95         fi
 96    fi
 97 }
 98 
 99 checkPidNum(){
100     PIDNUM=`ps -ef|grep $JAR_FILE|grep -v grep|grep -v bootmanager|awk '{print $2}'`
101   if [ -z "${PIDNUM}" ]; then
102     return 0
103   else
104     pid=${PIDNUM}
105     return 1
106   fi
107 }
108 
109 stop(){
110     checkpid
111     if [ $? -eq 0 ]; then
112       echo "$APP_NAME not runing"
113     else
114       echo "$APP_NAME stop..."
115       kill -9 $pid
116     fi
117 }
118 
119 restart(){
120     stop
121     sleep 1s
122     start
123 }
124 
125 case $1 in
126           start) start;;
127           stop)  stop;;
128           restart)  restart;;
129           status)  status;;
130          *)  echo "require start|stop|restart|status"  ;;
131 esac