#!/bin/bash source /etc/profile ################################### # Please change these parameters according to your real env. ################################### # set Java Home: Remember that dolphin only supports JDK8! # JAVA_HOME=/usr/local/jdk1.8.0_60 # check JAVA_HOME if [ x"$JAVA_HOME" == x ]; then echo "==================== Failed! =====================" echo "====== Please set JAVA_HOME ======" echo "==================================================" exit 1 fi # set ulimit ulimit -s 20480 # application directory cd `dirname $0` APP_HOME=`pwd` APP_NAME="$(cd ${APP_HOME} && find -mindepth 1 -maxdepth 1 -name '*.jar' |awk -F'/' '{print $NF}')" # Java JVM lunch parameters if [ x"$JAVA_OPTS" == x ];then JAVA_OPTS="-Djava.awt.headless=true -Djava.net.preferIPv4Stack=true" fi if [ x"$JAVA_MEM_OPTS" == x ];then JAVA_MEM_OPTS="-server -Xms512m -Xmx2g -Xmn768m -Xss256k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 " fi # path of log file, because logback can't create missing directory, we need to help it by shell script LOGS_DIR="$APP_HOME/logs" if [ ! -d $LOGS_DIR ]; then mkdir $LOGS_DIR #echo "created logs directory: path=$LOGS_DIR" fi STDOUT_FILE=$LOGS_DIR/out.log # waiting timeout for starting, in seconds START_WAIT_TIMEOUT=30 psid=0 checkpid() { psid=$(/bin/ps aux | grep $APP_NAME |grep -v grep |awk '{print $2}') if [[ -z "$psid" ]]; then psid=0 fi } ################################### #(函數)啓動程序 # #說明: #1. checkpid,刷新$psid全局變量 #2. 如果程序已經啓動($psid不等於0),則提示程序已啓動 #3. 如果程序沒有被啓動,則執行啓動命令行 #4. 啓動命令執行後,再次調用checkpid函數 #5. 如果步驟4的結果能夠確認程序的pid,則打印[OK],否則打印[Failed] #注意:echo -n 表示打印字符後,不換行 #注意: "nohup 某命令 >/dev/null 2>&1 &" 的用法 ################################### start() { checkpid if [ $psid -ne 0 ]; then echo "================================" echo "warn: $APP_NAME already started! (pid=$psid)" echo "================================" else echo -n "Starting $APP_NAME ..." nohup $JAVA_HOME/bin/java $JAVA_OPTS $JAVA_MEM_OPTS -jar ${APP_HOME}/${APP_NAME} >>$STDOUT_FILE 2>&1 & checkpid if [ $psid -ne 0 ]; then echo "(pid=$psid) [OK]" else echo "[Failed]" fi fi } ################################### #(函數)調試程序 # #說明: #1. checkpid,刷新$psid全局變量 #2. 如果程序已經啓動($psid不等於0),則提示程序已啓動 #3. 如果程序沒有被啓動,則執行啓動命令行 #4. 啓動命令執行後,再次調用checkpid函數 #5. 如果步驟4的結果能夠確認程序的pid,則打印[OK],否則打印[Failed] #注意:echo -n 表示打印字符後,不換行 #注意: "nohup 某命令 >/dev/null 2>&1 &" 的用法 ################################### debug() { checkpid if [ $psid -ne 0 ]; then echo "================================" echo "warn: $APP_NAME already started! (pid=$psid)" echo "================================" else echo -n "Starting $APP_NAME ..." nohup $JAVA_HOME/bin/java $JAVA_OPTS $JAVA_MEM_OPTS $PINPOINT_OPTS -Xrunjdwp:transport=dt_socket,address=9080,server=y,suspend=y -jar ${APP_HOME}/${APP_NAME} >>$STDOUT_FILE 2>&1 & checkpid if [ $psid -ne 0 ]; then echo "(pid=$psid) [OK]" else echo "[Failed]" fi fi } ################################### #(函數)停止程序 # #說明: #1. 首先調用checkpid函數,刷新$psid全局變量 #2. 如果程序已經啓動($psid不等於0),則開始執行停止,否則,提示程序未運行 #3. 使用kill -9 pid命令進行強制殺死進程 #4. 執行kill命令行緊接其後,馬上查看上一句命令的返回值: $? #5. 如果步驟4的結果$?等於0,則打印[OK],否則打印[Failed] #6. 爲了防止java程序被啓動多次,這裏增加反覆檢查進程,反覆殺死的處理(遞歸調用stop)。 #注意:echo -n 表示打印字符後,不換行 #注意: 在shell編程中,"$?" 表示上一句命令或者一個函數的返回值 ################################### stop() { STOP_WAIT_TIME="30" checkpid if [ $psid -ne 0 ]; then echo -n "Stopping $APP_NAME ...(pid=$psid) " sudo sh -c "kill $psid" let kwait=${STOP_WAIT_TIME} count=0; until [ $psid -eq 0 ] || [ $count -gt $kwait ] do echo -n -e "."; sleep 1 checkpid let count=$count+1; done if [ $count -gt $kwait ];then echo -n -e "\nkilling processes which didn't stop after ${STOP_WAIT_TIME} seconds\n" sudo sh -c "kill -9 $psid" fi echo "[OK]" else echo "================================" echo "warn: $APP_NAME is not running" echo "================================" fi } ################################### #(函數)檢查程序運行狀態 # #說明: #1. 首先調用checkpid函數,刷新$psid全局變量 #2. 如果程序已經啓動($psid不等於0),則提示正在運行並表示出pid #3. 否則,提示程序未運行 ################################### status() { checkpid if [ $psid -ne 0 ]; then echo "$APP_NAME is running! (pid=$psid)" else echo "$APP_NAME is not running" fi } ################################### #(函數)打印系統環境參數 ################################### info() { checkpid echo "System Information:" echo "****************************" echo `head -n 1 /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 if [ $psid -ne 0 ]; then echo "Application is running! (pid=$psid)" else echo "Application is not running" fi echo "****************************" } ################################### #讀取腳本的第一個參數($1),進行判斷 #參數取值範圍:{start|stop|restart|status|info} #如參數不在指定範圍之內,則打印幫助信息 ################################### case "$1" in 'debug') stop debug ;; 'start') start ;; 'stop') stop ;; 'restart') stop start ;; 'status') status ;; 'info') info ;; *) echo "Usage: $0 {debug|start|stop|restart|status|info}" exit 1 esac