由于需要对多个项目的多个应用进行管理，项目路径已经做了标准化部署，所以需要一个统一的脚本来管理所有的启停操作。
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里面附带日志、进程启动检查、批量状态查看等功能。
以下为脚本相关内容，有些写法有点low，暂时没有想到更好的写法，有兴趣的可以留言
#!/bin/bash
#用途：本脚本用来管理tomcat节点的启动、停止、重启，以及查看tomcat节点的状态
#作者：张晓龙
#版本v1.0
#定义帮助说明函数，语法错误时返回使用说明
template(){
echo "Usage: $0 -n appname -i node action"
echo "-n appname:specifies the application name"
echo "-i node:specifie node number of application,it must followed by the -n option."
echo "If the node is all,all nodes of application will be operated. "
echo "action start/restart/stop:start or stop or restart the specified application node"
exit 101
}
#使用getopt获取应用名称、节点数，节点数可以为所有
RST=$(getopt -o n:i: -- "$@")
if [ $? -ne 0 ];then
template
fi
eval set -- "$RST"
while [ -n "$1" ]
do
case "$1" in
-n)
if [[ "$2" =~ -. ]];then #语法错误
template;
fi
if [[ "$3" =~ -. ]];then
APPNAME="$2";
fi
if [[ $(ps aux | grep java|grep ${APPNAME}|wc -l) == 0 ]];then
template;
shift 2
fi;;
-i)
if [[ "$2" =~ -. ]];then#语法错误
template
fi
if [[ "$3" =~ -. ]];then
NODE="$2";
#判断输入的节点，如果不是数字或者all，则进行报错并退出
if [[ $(echo ${NODE}|grep -E '^[0-9]+$|all') == "" ]];then
echo "Error type!Argment with $1 must be init or all!"
template
fi
shift 2
fi;;
--)
shift;
break;;
*)
template
break;;
esac
done
#全局初始化变量定义
init_args(){
export DAY=$(date +%Y-%m-%d)
export TIME=$(date +%H-%M-%S)
export ALIVE=$(echo -e "\e[1;32m[ALIVE]\e[0m")
export NULL=$(echo -e "\e[1;31m[N/A]\e[0m")
export ERROR=$(echo -e "\e[1;31m[ERROR]\e[0m")
export WARNING=$(echo -e "\e[1;33m[WARNING]\e[0m")
[ ! -d ${HOME}/scripts/logs ];mkdir -p ${HOME}/scripts/logs
[ ! -d ${HOME}/scripts/logs/tomcat.log ];touch ${HOME}/scripts/logs/tomcat.log
export LOG_FILE=${HOME}/scripts/logs/tomcat.log
}
#日志模块
log(){
DATE=$(date +"[%Y-%m-%d %H:%M:%S]")
echo ${DATE} $*
echo ${DATE} $* >> ${LOG_FILE}
}
#tomcat启动定时器，低于60秒继续执行脚本，高于记录报错信息
timeout_start() {
WAITFOR=60
COMMAND=$*
${COMMAND} &
COMMANDPID=$!
( sleep ${WAITFOR} ; echo '1' >temp.log && kill -9 ${COMMANDPID} >/dev/null 2>&1 ) &
SLEEPPID=${PPID}
wait ${COMMANDPID} >/dev/denull 2>&1
kill ${SLEEPPID} > /dev/null 2>&1
}
check_err(){
if [[ $(cat temp.log) == 1 ]];then
rm temp.log
log $*
fi
}
start(){
WORK_DIR=${HOME}/${APPNAME}
if [[ "${NODE}" == all ]];then
#检查是否有进程存活，如果有，做出判断，是杀掉后再启动，还是保留，只启动未启动的
NODE_NUMS=$(ls ${WORK_DIR}|grep tomcat_${APPNAME}.*|wc -l)
for i in $(seq 1 ${NODE_NUMS})
do
NODE_PID=$(ps aux | grep java|grep tomcat_${APPNAME}_$i|grep -v grep|awk '{print $2}')
if [[ $(echo ${#NODE_PID}) != 0 ]];then
read -p "${WARNING} Process ${APPNAME} node $i is running now!Do you want to restart it?(Y|N)" input
case $input in
Y|y)
log " stop ${APPNAME} node is $i pid is ${NODE_PID}}"
kill -9 ${NODE_PID};;
n|N)
echo "${WARNING}: ${APPNAME} node $i pid ${NODE_PID} is already start!"
continue;;
esac
else
cd ${WORK_DIR}/tomcat_${APPNAME}_$i/bin
log " start ${APPNAME} node is $i pid is ${NODE_PID}"
sh startup.sh > /dev/null 2>&1
timeout_start tail -f ../logs/catalina.${DAY}.log | while read line
do
TAIL_PID=$(ps aux | grep "tail -f ../logs/catalina.${DAY}.log"|awk '{print $2}')
if [[ $line =~ .*Server\ startup\ in.* ]];then
kill -9 ${TAIL_PID}
fi
done
check_err " ${ERROR} ${APPNAME} node $i start timeout!"
fi
done
#如果指定了节点，那么就判断节点是否是启动状态，如果启动，杀掉后再启动
elif [[ ${NODE} != all ]];then
NODE_PID=$(ps aux | grep tomcat_${APPNAME}_${NODE}|grep -v grep|awk '{print $2}')
if [[ $(echo ${#NODE_PID}) != 0 ]];then
read -p "${WARNING} Process ${APPNAME} node ${NODE_PID} is running now!Do you want to restart it?(Y|N)" input
case $input in
Y|y)
log " stop ${APPNAME} node is ${NODE} pid is ${NODE_PID}}"
kill -9 ${NODE_PID};;
n|N)
echo "${WARNING}: ${APPNAME} node ${NODE} pid ${NODE_PID} is already start!"
continue;;
esac
else
cd ${WORK_DIR}/tomcat_${APPNAME}_${NODE}/bin
sh startup.sh > /dev/null 2>&1
timout_start tail -f ../logs/catalina.${DAY}.log| while read line
do
TAIL_PID=$(ps aux | grep "tail -f ../logs/catalina.${DAY}.log"|awk '{print $2}')
if [[ $line =~ .*Server\ startup\ in.* ]];then
kill -9 ${TAIL_PID}
fi
done
check_err " ${ERROR} ${APPNAME} node ${NODE} start timeout!"
fi
fi
}
stop(){
if [[ "${NODE}" == all ]];then
NODE_PID=$(ps aux | grep java | grep tomcat_${APPNAME}| grep -v grep | awk '{print $2}')
m=0
for i in ${NODE_PID[@]}
do
m=$(expr $m+1)
log " stop ${APPNAME} node $m pid is $i "
kill -9 ${NODE_PID}
done
else
NODE_PID=$(ps aux | grep java | grep tomcat_${APPNAME}_${NODE}|grep -v grep | awk '{print $2}')
log " stop ${APPNAME} node ${NODE} pid is ${NODE_PID} "
kill -9 ${NODE_PID}
fi
}
status(){
echo "System time is : ${DAY} ${TIME}"
echo "${APPNAME} proccess status, node is ${NODE}"
echo " ------------------------------------------------- "
printf "|\t%-10s|\t%-10s|\t%-10s|\n" namepidstatus
echo " ------------------------------------------------- "
if [[ "${NODE}" == all ]];then
NODES=$(ls ${HOME}/${APPNAME}|grep tomcat_${APPNAME}| wc -l)
for i in $(seq 1 ${NODES})
do
cd ${HOME}/${APPNAME}
NODE_NAME=$(ls tomcat_${APPNAME}_${i})
NODE_PID=$(ps aux | grep java | grep ${NODE_NAME}|grep -v grep | awk '{print $2}')
if [[ $(echo ${#NODE_PID}) == 0 ]];then
NODE_STATUS=${NULL}
else
NODE_STATUS=${ALIVE}
fi
printf "|\t%-10s|\t%-10s|\t%-10s|\n" ${NODE_NAME} ${NODE_PID} ${NODE_STATUS}
done
else
NODE_NAME=$(ls ${HOME}/${APPNAME}/tomcat_${APPNAME}_${NODE})
NODE_PID=$(ps aux | grep java | grep ${NODE_NAME}|grep -v grep | awk '{print $2}')
if [[ $(echo ${#NODE_PID}) == 0 ]];then
NODE_STATUS='N/A'
else
NODE_STATUS='Alive'
fi
printf "|\t%-10s|\t%-10s|\t%-10s|\n"${NODE_NAME} ${NODE_PID} ${NODE_STATUS}
fi
echo " ------------------------------------------------- "
}
#变量引用
init_args
#执行动作
case $1 in
start)
start;;
stop)
stop;;
restart)
stop;
start;;
status)
status;;
*)
template;;
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