shell腳本監控

now=`date +%Y%m%d-%H:%M:%S`
currentday=`date +%y%m%d`
WORK_HOME=/data/ispp
LOG_FILE=${WORK_HOME}/log/main.log${currentday}
RECORD_LINE_NUM_FILE=${WORK_HOME}/sh/logLineNum.data
PNAME="ispp"

MonProcessAlive()
{
    flag=1
    checkprocess=`ps -ef | grep target=$PNAME | grep -v "grep" `
    if [ -z "$checkprocess" ] ; then
        flag=0
    fi
    
    if [ $flag = 0 ]
    then
        Restart "monPs,restart"
    fi
}

MonLogAlive()
{
    flag=1
    
    if [ ! -f $RECORD_LINE_NUM_FILE ]
    then
        touch $RECORD_LINE_NUM_FILE
        echo "0" > $RECORD_LINE_NUM_FILE
    fi
    #get log size
    lineNum=`ls -l $LOG_FILE |awk '{print $5}'`
    recordLineNum=`more $RECORD_LINE_NUM_FILE`
    
    #echo "log lineNum: $lineNum"
    #echo "record lineNum: $recordLineNum"
    
    if [ "$lineNum" = "$recordLineNum" ]
    then
        flag=0
    else
        echo  $lineNum > $RECORD_LINE_NUM_FILE
    fi
    
    if [ $flag = 0 ]
    then
        Restart "monLog,restart"
    fi
}

MonPort()
{
    pid=`netstat -an |grep 9998 |grep LISTEN`
    if [ "$pid" = "" ]
    then
        Restart "MonPort,restart"
    fi
}

Restart()
{
    msg=`hostname`,$PNAME,`date +%Y%m%d%H%M%S`,$1
    sh $WORK_HOME/sh/start.sh
    #sh $WORK_HOME/sh/sendmail.sh $msg
    echo "$msg" >> $WORK_HOME/sh/monitor.log
}

MonTelnetPort()
{
    LANG=C;export LANG;
    IP=$1
    PORT=$2
    ret=`(echo "ls";sleep 2)|telnet $IP $PORT`
    flag=`echo "$ret"|egrep "HTTP|Jetty" |wc -l`
    if [ $flag -le 0 ]
    then
        Restart
    fi
}

MonProcessAlive
MonTelnetPort 127.0.0.1 9998