discover_hadoop.sh发现hadoop

#! /bin/bash
export LANG=en_US.UTF-8
pids=`ps aux | grep -v grep | grep -v ps.sh|grep hadoop | egrep -E "namenode|jobtracker" | awk '{print $2}'`
discover_hadoop_json=""

for pid in $pids
do
    port=`netstat -lnp | grep $pid/java | grep tcp | grep -v "127.0.0.1" |grep ":50070"|awk '{print $4}'|awk -F ':' '{print $2}'`
    path=`ps aux | grep $pid | grep -v grep | grep -v ps.sh | grep hadoop | egrep -E "namenode|jobtracker" | awk -F " " '{for (i=1;i<=NF;i++) if($i~/-Dhadoop.home.dir/) {print $i}}'` 
    logpath="${path#*=}"
    discover_hadoop_json="$discover_hadoop_json{'cpname':'hadoop','port':'$port','path':'$logpath','name':'Hadoop组件模板','flag':'$pid'},"
    #index=`awk -F " " '{for (i=1;i<=NF;i++) if($i~/-Dhadoop.log.file/) {print $i}}'`
    #echo $index
    #curStr=$(echo $(eval  echo \${${i}}))
    #curStr=$(echo $curStr | awk '{if(substr($1,0,17)=="-Dhadoop.log.file"){print $1}}' | awk -F '=' '{print $2}' )
    #num=$(echo $curStr|awk -F '.' '{print NF}')
    #if [[ $num != "0" ]];then
        #curStr=$curStr
    #else
        #curStr=""
    #fi
done
result="[${discover_hadoop_json%,*}]"
result=`echo ${result//\'/\"}`
echo $result