#!/bin/sh
# func:自動監(jiān)控tomcat腳本并且執(zhí)行重啟操作
# author:EagleHao
# date:2018-04-08
# DEFINE
# 獲取tomcat進(jìn)程ID（其中[grep -w 'tomcat']代碼中的tomcat需要替換為你的tomcat文件夾名）
TomcatID=$(ps -ef |grep tomcat |grep -w 'tomcat'|grep -v 'grep'|awk '{print $2}')
# tomcat啟動程序(這里注意tomcat實際安裝的路徑)
StartTomcat=/opt/tomcat/bin/startup.sh
TomcatCache=/opt/tomcat/work
#定義要監(jiān)控的頁面地址
WebUrl=http://localhost:8080
#日志輸出
GetPageInfo=/tmp/TomcatMonitor.Info
TomcatMonitorLog=/tmp/TomcatMonitor.log
Monitor()
{
echo "[info]開始監(jiān)控tomcat...[$(date +'%F %H:%M:%S')]"
if [ $TomcatID ];then #這里判斷Tomcat進(jìn)程是否存在
echo "[info]當(dāng)前tomcat進(jìn)程ID為:$TomcatID,繼續(xù)檢測頁面..."
# 檢測是否啟動成功(成功的話頁面會返回狀態(tài)"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(tài)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(jìn)程
sleep 3
rm -rf $TomcatCache # 清理tomcat緩存
$StartTomcat
fi
else
echo "[error]tomcat進(jìn)程不存在!tomcat開始自動重啟..."
echo "[info]$StartTomcat，請稍候..."
rm -rf $TomcatCache
$StartTomcat
fi
echo "--------------------------"
}
Monitor>>$TomcatMonitorLog