自動監控tomcat腳本並且執行重啟操作

#!/bin/sh

# func:自動監控tomcat腳本並且執行重啟操作
# author:reed
# date:12/09/2012

# 定義環境變量
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

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

# tomcat啟動程序(這里注意tomcat實際安裝的路徑)

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

# 定義要監控的頁面地址
WebUrl=http://10.104.2.51:9080/index.html

# 日志輸出
GetPageInfo=/tmp/TomcatMonitor.Info
TomcatMonitorLog=/tmp/TomcatMonitor.log

Monitor()  
{  
  echo "[info]開始監控tomcat...[$(date +'%F %H:%M:%S')]"  
  if [[ $TomcatID ]];then # 這里判斷TOMCAT進程是否存在  
    echo "[info]當前tomcat進程ID為:$TomcatID,繼續檢測頁面..."  
    # 檢測是否啟動成功(成功的話頁面會返回狀態"200")  
    TomcatServiceCode=$(curl -s -o $GetPageInfo -m 10 --connect-timeout 10 $WebUrl -w %{http_code})  
    if [ $TomcatServiceCode -eq 200 ];then  
        echo "[info]頁面返回碼為$TomcatServiceCode,tomcat啟動成功,測試頁面正常......"  
    else  
        echo "[error]tomcat頁面出錯,請注意......狀態碼為$TomcatServiceCode,錯誤日志已輸出到$GetPageInfo"  
        echo "[error]頁面訪問出錯,開始重啟tomcat" 
    kill -9 $TomcatID  # 殺掉原tomcat進程  
        sleep 3  
        rm -rf $TomcatCache # 清理tomcat緩存  
        $StartTomcat  
    fi  
  else  
    echo "[error]tomcat進程不存在!tomcat開始自動重啟..."  
    echo "[info]$StartTomcat,請稍候......"  
    rm -rf $TomcatCache  
    $StartTomcat  
  fi  
  echo "------------------------------"  
}  
Monitor>>$TomcatMonitorLog