discover_elasticsearch.sh感知elasticsearch

#! /bin/bash
export LANG=en_US.UTF-8

pids=`ps  aux |grep org.elasticsearch.bootstrap.Elasticsearch|grep -v grep|awk '{print $2}'`
#ip=`ifconfig 2>/dev/null|sed -n 2p|awk  '{ print $2 }'|awk -F : '{ print $2 }'`
ip=`ip addr | grep 'state UP' -A2 | head -n3|tail -n1 | awk '{print $2}' | cut -f1 -d '/'`
discover_elasticsearch_json=""

for pid in $pids
do  
    if [ $pid ];then
        pwd=`ps aux|grep $pid|grep java|grep -v grep|awk '{for(i=1;i<=NF;++i){if(index($i,"Des.path.home")>=1){print $i}}}'|awk -F '=' '{print $2}'|head -1`
        ports=`netstat -lntp|grep $pid|awk '{print $4}'|awk -F ':' '{print $NF}'`
        elasticsearch_info=
        for p in $ports
        do
            req_url='http://'$ip':'$p'/'
            response_code=`curl -s  $req_url -w%{http_code} 2>/dev/null -o /dev/null`
            if [[ "$response_code" -gt 199 ]];then
                elasticsearch_info="{'cpname':'elasticsearch','port':'$p','path':'$pwd','name':'Elasticsearch组件模板','flag':'$pid'},"
                break
            fi
        done
    else
        echo "miss argument pid!" >2
    fi
    discover_elasticsearch_json="$discover_elasticsearch_json$elasticsearch_info"
done

result="[${discover_elasticsearch_json%,*}]"
result=`echo ${result//\'/\"}`
echo $result