自动监控Web服务的shell

#!/bin/sh
##------------------------------
#desc:后台守候检查服务是否正常
#author:gaozhonghui
#mail:toptreegzh@163.com
#date:20121210
##------------------------------
 
while true
do
   /bin/sh /home/Gzh/shell/monitorTcp.sh > /dev/null 2>&1
   sleep 10
done

#!/bin/sh
##-----------------------------------------------------
#desc:扫描后台服务器的应用服务器，若不能正常访问则重启
#author：gaozhonghui
#mail：toptreegzh@163.com
#date：20121127
##------------------------------------------------------
 
year=`date -d "today" +"%Y"`
monthday=`date -d "today" +"%m"`
date=$(date -d "today" +"%Y%m%d")
 
#被监控服务器、端口列表
#str = web服务文件夹:端口号
server_all_list=(
    'www.test2.com:9090'
    'www.test.com:8090'
)
 
#应用服务器基路径
serverBasePath="/web/webserver/jboss/"
#日志路径
logBasePath="/web/webserver/logs/$year/$monthday/"
 
#获得监控服务PID
function_getPID(){
   local PID=`ps -ef|grep $1|grep java |linuxjishu/13830.html target=_blank class=infotextkey>awk '{print $2}'`
   echo $PID
}
 
#dump 线程详细信息方便定位问题
function_jstackinfo(){
 PID=`function_getPID $1`
 if [ x$PID != x"" ] ;then
    if [ ! -d ${logBasePath} ];then
       mkdir -p ${logBasePath}      
    fi
 
    jstack -l ${PID} >> ${logBasePath}"jstack_$1_${date}.log" 
 fi
}
 
#关闭应用服务
function_shutdown(){
  local shutdownSh=${serverBasePath}$1"/bin/shutdown.sh"
  if [ -f $shutdownSh ];then
        local PID=`function_getPID $1`
 
        if [ x$PID != x"" ] ;then
                sh $shutdownSh > /dev/null 2>&1
                sleep 2
        fi
 
        local PID2=`function_getPID $1`
 
        if [ x$PID2 != x"" ];then
                kill -9 $PID2
        fi
  fi    
}
 
#启动应用服务
function_startup(){
 local startupSh=${serverBasePath}$1"/bin/startup.sh"
 if [ -f $shutdownSh ];then
    sh $startupSh > /dev/null 2>&1
 fi
}
 
#重启应用服务
function_restart(){
  function_shutdown $1
  sleep 5
  function_startup $1
}
 
#扫描监控服务
for server in ${server_all_list[@]}; do
   server_ip=127.0.0.1
   server_name=$( echo ${server} | awk -F ':' '{print $1}')
   server_port=$( echo ${server} | awk -F ':' '{print $2}')
   
   #status:    0,http down    1,http ok    2,http down but ping ok 
   if nc -vv -z -w 2 $server_ip $server_port > /dev/null 2>&1;then
       status=1
   else
       if nc -vv -z -w 3 $server_ip $server_port > /dev/null 2>&1;then
           status=1
       else
           if ping -c 1 $server_ip > /dev/null 2>&1;then
               status=2
           else
               status=0
           fi
       fi
   fi
    
   if [ x$status != x"1" ];then
    PID=`function_getPID  ${server_name}`
    
    if [ x$PID != x ];then
        function_jstackinfo  ${server_name}
        function_restart  ${server_name}
    else
        function_startup ${server_name}
    fi  
   fi
    
done