springboot 베포 자동화 쉘스크립트(nginx,linux)

value=0
value2=0
echo > /dev/tcp/127.0.0.1/xxx2
value=`echo $?`
echo > /dev/tcp/127.0.0.1/xxx1
value2=`echo $?`

echo "xxx2오픈상황:${value}"
echo "xxx1오픈상황:${value2}"

timestamp=`date +%Y%m%d%H%M`
echo "$timestamp"
cd /home/ec2-user/jenkins
mv xxx.jar ${timestamp}.jar
mv ${timestamp}.jar /home/ec2-user/
cd /home/ec2-user

port=0;
upport=0;
if [ ${value} -eq 0 ]
then
        echo 'xxx1시작'
        sed -i 's/xxx2/xxx1/g'  /etc/nginx/nginx.conf
        sudo nohup java -javaagent:/home/ec2-user/scouter/agent.java/scouter.agent.jar -Dscouter.config=/home/ec2-user/scouter/agent.java/conf/scouter.conf -Dobj_name=home -jar -Dspring.profiles.active=test  ${timestamp}.jar &
        port=xxx2
        upport=xxx1
else
        sed -i 's/xxx1/xxx2/g'  /etc/nginx/nginx.conf
        echo 'xxx2시작'
        sudo nohup java -javaagent:/home/ec2-user/scouter/agent.java/scouter.agent.jar -Dscouter.config=/home/ec2-user/scouter/agent.java/conf/scouter2.conf -Dobj_name=home2 -jar -Dspring.profiles.active=test2  ${timestamp}.jar &
        port=xxx1
        upport=xxx2
fi
        stop=1
        while :
        do
                echo > /dev/tcp/127.0.0.1/$upport;
                stop=`echo $?`;
                echo "실행중";
                if [ $stop -eq 0 ]; then
                        break;

                else
                        echo "아직실행되지 않았습니다 10초sleep";
                        sleep 10
                fi
        done

        echo '실행완료';
        sudo nginx -s reload

        echo "종료할 포트:${port}"
        result_value=$(netstat -nap 2>/dev/null | grep ${port} | awk '{print $7}')
        number_value=${#result_value}
        if [ $number_value == 0 ]; then
                echo '해당포트가 미사용중으로 이미 종료되었습니다..'
        else
                echo '종료를 시작합니다.'
                pid_val=${result_value%%'/'*}
                echo "종료 예정포트 ${pid_val}"
                sudo kill -9 $pid_val
                echo `종료포트결과,sudo lsof -i :${port}`
        fi