yarn-RM-check-by-curl

 #!bin/bash

 SELF_DIR="$( cd "$( dirname "$0" )" && pwd )"

 #grep "URL:" weiflow-from-weiclient.log | uniq | awk -F": http:" '{print $2}' | awk -F"\/" '{print $5}' | xargs yarn application -status
 rm1=$(grep "URL:" weiflow-from-weiclient.log | uniq | awk -F": http:" '{print $2}' | awk -F":" '{print "http://10.87.49.220:"$2}' ) #| xargs echo
 rm2=$(grep "URL:" weiflow-from-weiclient.log | uniq | awk -F": http:" '{print $2}' | awk -F":" '{print "http://10.87.49.221:"$2}') # | xargs echo

 req_status=$(curl -s ${rm1})
 #echo $req_status
 JOB_HEADER="JOB TRACK URL: "

 if [[ ${req_status} = "" ]]
 then
     echo ${JOB_HEADER}${rm2}
 else
     echo ${JOB_HEADER}${rm1}
 fi

高可用IP检测。