discover_zookeeper.sh感知zookeeper

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```bash
#! /bin/bash

export LANG=en_US.UTF-8

pids=ps aux|grep org.apache.zookeeper.server.quorum.QuorumPeerMain|grep -v grep|awk '{print $2}'

for pid in $pids
do
#通过配置文件读取端口号
port=
conf_file=ps aux ww|grep $pid|grep -v grep|awk '{for(i=1;i<=NF;++i){if(index($i,".cfg")>1)print $i}}'|head -1
if [ -n "$conf_file" ];then
port=sed '/clientPort/!d;s/.*=//' $conf_file|tr -d '\r'
else
#通过 netstat 读取端口号
ports=netstat -lntp|grep $pid|awk '{print $4}'|awk -F ':' '{print $NF}'
p_number=echo $ports|awk '{print NF}'
if [ "$p_number" -gt 1 ];then
port=$ports|awk '{if($1>$2){print $2}else{print $1}}'
else
port=$ports
fi
fi

path=
jar_file=`ps aux|grep $pid|grep -v grep|awk '{for(i=1;i<=NF;++i){if(index($i,"zookeeper")>1&&index($i,"lib")>1)print $i}}'|awk -F ':' '{for(i=1;i<NF;++i){if(index($i,"lib")>1&&index($i,"build")<1){print $i}}}'|head -1`
if [ "$jar_file" != "" ];then
        lib_path=`dirname $jar_file`
        cd $lib_path/..
        path=`pwd`      
fi
discover_zookeeper_json="$discover_zookeeper_json{'cpname':'zookeeper','port':'$port','path':'$path','name':'Zookeeper组件模板','flag':'$pid'},"

done
result="[${discover_zookeeper_json%,*}]"
result=echo ${result//\'/\"}
echo $result

```