Blue / Green Deployment

Author: kimyonghwa

deploy.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+PROFILE=$1
+PROJECT=SpringRestApi
+PROJECT_HOME=/Users/nhnent/git/${PROJECT}
+#PROJECT_HOME=/home/happydaddy/${PROJECT}
+JAR_PATH=${PROJECT_HOME}/build/libs/api-0.0.1-SNAPSHOT.jar
+SVR_LIST=server_${PROFILE}.list
+SERVERS=`cat $SVR_LIST`
+DEPLOY_PATH=/home/ec2-user/app
+AWS_ID=ec2-user
+DATE=`date +%Y-%m-%d-%H-%M-%S`
+JAVA_OPTS="-XX:MaxMetaspaceSize=128m -XX:+UseG1GC -Xss1024k -Xms128m -Xmx128m -Dfile.encoding=UTF-8"
+PEM=AwsFreetierKeyPair.pem
+PORT=8083
+
+echo Deploy Start
+for server in $SERVERS; do
+    echo Target server - $server
+    # Target Server에 배포 디렉터리 생성
+    ssh -i $PEM $AWS_ID@$server "mkdir -p $DEPLOY_PATH/dist"
+    # Target Server에 jar 이동
+    echo 'Executable Jar Copying...'
+    scp -i $PEM $JAR_PATH $AWS_ID@$server:~/app/dist/$PROJECT-$DATE.jar
+    # 이동한 jar파일의 바로가기(SymbolicLink)생성
+    ssh -i $PEM $AWS_ID@$server "ln -Tfs $DEPLOY_PATH/dist/$PROJECT-$DATE.jar $DEPLOY_PATH/$PROJECT"
+    # 현재 실행중인 서버 PID 조회
+    runPid=$(ssh -i $PEM $AWS_ID@$server pgrep -f $PROJECT)
+    if [ -z $runPid ]; then
+        echo "No servers are running"
+    fi
+    # 현재 실행중인 서버의 포트를 조회. 추가로 실행할 서버의 포트 선정
+    runPortCount=$(ssh -i $PEM $AWS_ID@$server ps -ef | grep $PROJECT | grep -v grep | grep $PORT | wc -l)
+    if [ $runPortCount -gt 0 ]; then
+        PORT=8084
+    fi
+    echo "Server $PORT Starting..."
+    # 새로운 서버 실행
+    ssh -i $PEM $AWS_ID@$server "nohup java -jar -Dserver.port=$PORT -Dspring.profiles.active=$PROFILE $JAVA_OPTS $DEPLOY_PATH/$PROJECT < /dev/null > std.out 2> std.err &"
+    # 새롭게 실행한 서버의 health check
+    echo "Health check $PORT"
+    for retry in {1..10}
+    do
+        health=$(ssh -i $PEM $AWS_ID@$server curl -s http://localhost:$PORT/actuator/health)
+        checkCount=$(echo $health | grep 'UP' | wc -l)
+        if [ $checkCount -ge 1 ]; then
+           echo "Server $PORT Started Normaly"
+           # 기존 서버 Stop / Nginx 포트 변경 후 리스타트
+           if [ $runPid -gt 0 ]; then
+                echo "Server $runPid Stop"
+                ssh -i $PEM $AWS_ID@$server "kill -TERM $runPid"
+                sleep 5
+                echo "Nginx Port Change"
+		ssh -i $PEM $AWS_ID@$server "echo 'set \$service_addr http://127.0.0.1:$PORT;' | sudo tee /etc/nginx/conf.d/service_addr.inc"
+                echo "Nginx reload"
+		ssh -i $PEM $AWS_ID@$server "sudo service nginx reload"
+           fi
+           break;
+	else
+	    echo "Check - false"
+        fi
+        sleep 5
+    done
+    if [ $retry -eq 10 ]; then
+	   echo "Deploy Fail"
+    fi
+done
+echo Deploy End