自动监控tomcat脚本并且执行重启操作

#!/bin/sh

# func:自动监控tomcat脚本并且执行重启操作
# author:reed
# date:12/09/2012

# 定义环境变量
MYPATH=/usr/local/jdk/bin
export JAVA_HOME=/usr/local/jdk
export CLASSPATH=$JAVA_HOME/lib:$JAVA_HOME/lib/tools.jar
export MYPATH=$MYPATH:$JAVA_HOME/bin


# DEFINE

# 获取tomcat进程ID
TomcatID=$(ps -ef |grep tomcat |grep -w 'tomcat7_2/conf'|grep -v 'grep'|awk '{print $2}')

# tomcat启动程序(这里注意tomcat实际安装的路径)

StartTomcat=/usr/local/tomcat7_2/bin/startup.sh
TomcatCache=/usr/local/tomcat7_2/work

# 定义要监控的页面地址
WebUrl=http://10.104.2.51:9080/index.html

# 日志输出
GetPageInfo=/tmp/TomcatMonitor.Info
TomcatMonitorLog=/tmp/TomcatMonitor.log

Monitor()  
{  
  echo "[info]开始监控tomcat...[$(date +'%F %H:%M:%S')]"  
  if [[ $TomcatID ]];then # 这里判断TOMCAT进程是否存在  
    echo "[info]当前tomcat进程ID为:$TomcatID,继续检测页面..."  
    # 检测是否启动成功(成功的话页面会返回状态"200")  
    TomcatServiceCode=$(curl -s -o $GetPageInfo -m 10 --connect-timeout 10 $WebUrl -w %{http_code})  
    if [ $TomcatServiceCode -eq 200 ];then  
        echo "[info]页面返回码为$TomcatServiceCode,tomcat启动成功,测试页面正常......"  
    else  
        echo "[error]tomcat页面出错,请注意......状态码为$TomcatServiceCode,错误日志已输出到$GetPageInfo"  
        echo "[error]页面访问出错,开始重启tomcat" 
    kill -9 $TomcatID  # 杀掉原tomcat进程  
        sleep 3  
        rm -rf $TomcatCache # 清理tomcat缓存  
        $StartTomcat  
    fi  
  else  
    echo "[error]tomcat进程不存在!tomcat开始自动重启..."  
    echo "[info]$StartTomcat,请稍候......"  
    rm -rf $TomcatCache  
    $StartTomcat  
  fi  
  echo "------------------------------"  
}  
Monitor>>$TomcatMonitorLog