一個Spring-Boot的通用啓動腳本,支持啓動/停止/重啓/查看狀態/Dump進程相關數據(JVM/OS)
使用方式:
基本使用
$ 腳本名 [start|stop|restart|status|dump]
DEBUG模式啓動
$ 腳本名 [start|restart] debug
#!/bin/bash
# Spring-Boot 常規啓動腳本,基於HotSpot Java8
# 使用方式:xx.sh [start|stop|restart|status|dump]
# 將Spring-Boot Jar包和此腳本放在同一目錄下,之後配置APP_NAME/PROFILE即可
cd `dirname $0`
# 應用名(boot jar包名)
APP_NAME=scheduler
# Spring-Boot環境名(profiles)
PROFILE=test
JAR_NAME=$APP_NAME\.jar
PID=$APP_NAME\.pid
APP_HOME=`pwd`
LOG_PATH=$APP_HOME/logs
GC_LOG_PATH=$LOG_PATH/gc
DEBUG_FLAG=$2
if [ ! -d $LOG_PATH ]; then
mkdir $LOG_PATH
fi
if [ ! -d $GC_LOG_PATH ]; then
mkdir $GC_LOG_PATH
fi
# DUMP父目錄
DUMP_DIR=$LOG_PATH/dump
if [ ! -d $DUMP_DIR ]; then
mkdir $DUMP_DIR
fi
# DUMP目錄前綴
DUMP_DATE=`date +%Y%m%d%H%M%S`
# DUMP目錄
DATE_DIR=$DUMP_DIR/$DUMP_DATE
if [ ! -d $DATE_DIR ]; then
mkdir $DATE_DIR
fi
# GC日誌參數
GC_LOG_OPTS="-XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:$GC_LOG_PATH/gc-%t.log"
# OOM Dump內存參數
DUMP_OPTS="-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$LOG_PATH"
# JVM DEBUG參數,用於調試,默認不開啓
# ClassLoader和Method Compile日誌,用於調試
COMPILE_LOADER_OPTS="-XX:+TraceClassLoading -XX:+TraceClassUnloading -XX:-PrintCompilation"
# 遠程調試參數
REMOTE_DEBUG_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005"
# DEBUG參數
DEBUG_OPTS="$COMPILE_LOADER_OPTS $REMOTE_DEBUG_OPTS"
# 至於Garbage Collector,雖然Java8已經支持G1了,但是不一定必須用,CMS在默認場景下也是一個優秀的回收器
GC_OPTS="-XX:+UseConcMarkSweepGC"
OTHER_OPTS="-Djava.security.egd=file:/dev/./urandom"
# JVM 啓動參數,如無特殊需求,推薦只配置堆+元空間
JVM_OPTIONS="-server -Xms2g -Xmx2g -XX:MetaspaceSize=256m $GC_OPTS $GC_LOG_OPTS $DUMP_OPTS $OTHER_OPTS"
#使用說明,用來提示輸入參數
usage() {
echo "Usage: sh [run_script].sh [start|stop|restart|status|dump]"
exit 1
}
#檢查程序是否在運行
is_exist(){
pid=`ps -ef|grep $APP_HOME/$JAR_NAME|grep -v grep|awk '{print $2}' `
#如果不存在返回1,存在返回0
if [ -z "${pid}" ]; then
return 1
else
return 0
fi
}
#啓動方法
start(){
is_exist
if [ $? -eq "0" ]; then
echo "--- ${JAR_NAME} is already running PID=${pid} ---"
else
if [ "$DEBUG_FLAG" = "debug" ]; then
JVM_OPTIONS="$JVM_OPTIONS $DEBUG_OPTS"
echo -e "\033[33m Warning: currently running in debug mode! This mode enables remote debugging, printing, compiling, and other information \033[0m"
fi
echo "JVM_OPTIONS : "
echo "$JVM_OPTIONS"
nohup java -jar $JVM_OPTIONS -Dspring.profiles.active=$PROFILE $APP_HOME/$JAR_NAME >/dev/null 2>&1 &
echo $! > $PID
echo "--- start $JAR_NAME successed PID=$! ---"
fi
}
#停止方法
stop(){
#is_exist
pidf=$(cat $PID)
#echo "$pidf"
echo "--- app PID = $pidf begin kill $pidf ---"
kill $pidf
rm -rf $PID
sleep 2
is_exist
if [ $? -eq "0" ]; then
echo "--- app 2 PID = $pid begin kill -9 $pid ---"
kill -9 $pid
sleep 2
echo "--- $JAR_NAME process stopped ---"
else
echo "--- ${JAR_NAME} is not running ---"
fi
}
#輸出運行狀態
status(){
is_exist
if [ $? -eq "0" ]; then
echo "--- ${JAR_NAME} is running PID is ${pid} ---"
else
echo "--- ${JAR_NAME} is not running ---"
fi
}
dump(){
is_exist
if [ $? -eq "0" ]; then
echo -e "Dumping the $JAR_NAME ...\c"
du_dump
else
echo "--- ${JAR_NAME} is not running ---"
fi
}
#重啓
restart(){
stop
start
}
du_dump(){
jstack $pid > $DATE_DIR/jstack-$pid.dump 2>&1
echo -e ".\c"
jinfo $pid > $DATE_DIR/jinfo-$pid.dump 2>&1
echo -e ".\c"
jstat -gcutil $pid > $DATE_DIR/jstat-gcutil-$pid.dump 2>&1
echo -e ".\c"
jstat -gccapacity $pid > $DATE_DIR/jstat-gccapacity-$pid.dump 2>&1
echo -e ".\c"
jmap $pid > $DATE_DIR/jmap-$pid.dump 2>&1
echo -e ".\c"
jmap -heap $pid > $DATE_DIR/jmap-heap-$pid.dump 2>&1
echo -e ".\c"
jmap -histo $pid > $DATE_DIR/jmap-histo-$pid.dump 2>&1
echo -e ".\c"
if [ -r /usr/sbin/lsof ]; then
/usr/sbin/lsof -p $pid > $DATE_DIR/lsof-$pid.dump
echo -e ".\c"
fi
if [ -r /bin/netstat ]; then
/bin/netstat -an > $DATE_DIR/netstat.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/iostat ]; then
/usr/bin/iostat > $DATE_DIR/iostat.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/mpstat ]; then
/usr/bin/mpstat > $DATE_DIR/mpstat.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/vmstat ]; then
/usr/bin/vmstat > $DATE_DIR/vmstat.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/free ]; then
/usr/bin/free -t > $DATE_DIR/free.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/sar ]; then
/usr/bin/sar > $DATE_DIR/sar.dump 2>&1
echo -e ".\c"
fi
if [ -r /usr/bin/uptime ]; then
/usr/bin/uptime > $DATE_DIR/uptime.dump 2>&1
echo -e ".\c"
fi
echo "OK!"
echo "DUMP: $DATE_DIR"
}
#根據輸入參數,選擇執行對應方法,不輸入則執行使用說明
case "$1" in
"start")
start
;;
"stop")
stop
;;
"status")
status
;;
"restart")
restart
;;
"dump")
dump
;;
*)
usage
;;
esac
exit 0