一段shell指令碼

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//根據入參增加nginx反向 Proxy
#!/bin/bash
#set -x

log_path="./proc/logs/shellExecute.log"
log_path_back="./proc/logs/shellExecute.log1"
nginxBasePath="/home/netnumen/ems/ums-server/utils/nginx/nginx-1.4.7"
nginxConfPath="${nginxBasePath}/conf/nginx.conf"
runNginx="${nginxBasePath}/run.sh"
stopNginx="${nginxBasePath}/stop.sh"
app=$(echo $1 | tr -d ‘"‘)
echo $app
function execLog(){
   if [ "$?" -ne 0 ]
   then
        echo "[error] $(date "+%Y-%m-%d %H-%M-%S"), ${1}" >> $log_path
        exit 1
   else
        echo "[info] $(date "+%Y-%m-%d %H-%M-%S"), ${1}" >> $log_path
    fi
}
function CLEAN_LOG()
{
   declare -i FILESIZE LIMIT
   FILESIZE=0
   FILESIZE=`stat -c%s  ${log_path}`
   LIMIT=104857600 #100M Bytes
    if [ $FILESIZE -gt $LIMIT ]
    then
       rm -rf ${log_path_back}
       mv ${log_path}  ${log_path_back}
    fi

}
function main(){
   CLEAN_LOG

   echo "************************************redirect app to rdk,update nginx*****************************************"  >> $log_path
   execLog "redirect appName: ${app}"
   beforeInsertLocation=$(sed -n "/inside_location_end/=" ${nginxConfPath})
   execLog "compute insert location num: ${beforeInsertLocation}"
   let beforeInsertLocation=beforeInsertLocation-1
   execLog "compute before insert location num: ${beforeInsertLocation}"

   insertContent="if (\$uri ~ ^/${app}/){ proxy_pass   http://localhost:5812;  break;  }"
   execLog "add content: ${insertContent}"
   existLocation=$(sed -n "/if (\$uri ~ ^\/${app}\/){ proxy_pass   http:\/\/localhost:5812;  break;  }/=" ${nginxConfPath})
   execLog "insert url existed?location: ${existLocation}"
   if [ ! -n "$existLocation" ];then
   sed -i "${beforeInsertLocation}a\            ${insertContent}" ${nginxConfPath}
   nohup $stopNginx;$runNginx &
   fi
   execLog "sed app url redirt content!"

}

main

一段shell指令碼