通过 Tomcat 监测脚本 按照一定的时间频度来检测Tomcat应用是否正常,如果进程不存在,则启动 Tomcat;如果进程存在而访问不正常,则杀掉进程,再启动 Tomcat。
脚本的主体
代码如下vi/home/dev/ctl/tomcat-inspector/image.sh
#!/bin/bash
echo $(date'+%Y-%m-%d %H:%M:%S')
whoami
JAVA_HOME=/opt/java/jdk1.8.0_40
PATH=$JAVA_HOME/bin:$PATH
export PATH JAVA_HOME
port=8086
sn="tomcat-image-$port"
th="/home/dev/tomcat/$sn"
url="http://you-app-server/"
tomcat=`ps-ef | grep java | grep $sn | grep $port | wc-l`
if[ $tomcat-eq0]
then
echo $sn stoped.
echo starting $sn ......
$th/bin/startup.sh
fi
if[ $tomcat-ge1]
then
tpid=`ps-ef | grep java | grep $sn | grep $port | awk'{print $2}'`
echo $snisrunning, pid=$tpid
httpStatus=`curl-I $url2>/dev/null | grep HTTP | awk'{print $2}'`
echo $httpStatus
if[[-z"$httpStatus"|| $httpStatus-ge500]]
then
echo killing $sn ......
kill-9$tpid
echo starting $sn ......
$th/bin/startup.sh
fi
fi
设定执行频度
代码如下crontab-e
*/5****/home/dev/ctl/tomcat-inspector/image.sh >>/home/dev/ctl/tomcat-inspector/logs/image.log2>&1
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