무중단 배포로 변경 (#311)

appspec.yml

@@ -12,8 +12,8 @@ permissions:
     group: ubuntu
 
 hooks:
-  ApplicationStart:
-    - location: scripts/deploy.sh
-      timeout: 60
+  AfterInstall: # 기존 실행되던 애플리케이션 종료
+    - location : scripts/execute-deploy.sh
+      timeout: 180
       runas: ubuntu
 file_exists_behavior: OVERWRITE

scripts/deploy-blue-green.sh

@@ -0,0 +1,89 @@
+#!/bin/bash
+
+# jasypt 암호키 설정
+source /home/ubuntu/action/scripts/properties.sh
+
+PROJECT_NAME=space-club-backend
+REPOSITORY=/home/ubuntu
+PACKAGE=$REPOSITORY/action/build/libs/
+JAR_NAME=$(ls -tr $PACKAGE | grep 'SNAPSHOT.jar' | tail -n 1)
+JAR_PATH=$PACKAGE$JAR_NAME
+echo "> build 파일명: $JAR_NAME"
+
+echo "> build 파일 복사"
+DEPLOY_PATH=$REPOSITORY/jar/
+cp $JAR_PATH $DEPLOY_PATH
+
+echo "> 현재 구동중인 SET 확인"
+CURRENT_PROFILE=$(curl -s http://localhost/api/profile)
+echo "> $CURRENT_PROFILE"
+
+# 쉬고 있는 set 찾기: set1이 사용중이면 set2가 쉬고 있고, 반대면 set1이 쉬고 있음
+if [ $CURRENT_PROFILE == blue ]
+then
+  IDLE_PROFILE=green
+  IDLE_PORT=8082
+elif [ $CURRENT_PROFILE == green ]
+then
+  IDLE_PROFILE=blue
+  IDLE_PORT=8081
+else
+  echo "> 일치하는 Profile이 없습니다. Profile: $CURRENT_PROFILE"
+  echo "> BLUE를 할당합니다. IDLE_PROFILE: blue"
+  IDLE_PROFILE=blue
+  IDLE_PORT=8081
+fi
+
+echo "> application.jar 교체"
+IDLE_APPLICATION=$IDLE_PROFILE-SpaceClub.jar
+IDLE_APPLICATION_PATH=$DEPLOY_PATH$IDLE_APPLICATION
+
+ln -Tfs $DEPLOY_PATH$JAR_NAME $IDLE_APPLICATION_PATH
+
+echo "> $IDLE_PROFILE 에서 구동중인 애플리케이션 pid 확인"
+IDLE_PID=$(pgrep -f $IDLE_APPLICATION)
+
+if [ -z $IDLE_PID ]
+then
+  echo "> 현재 구동중인 애플리케이션이 없으므로 종료하지 않습니다."
+else
+  echo "> kill -15 $IDLE_PID"
+  kill -15 $IDLE_PID
+  sleep 5
+fi
+
+echo "> $IDLE_PROFILE 배포"
+sudo nohup java -jar $JAR_PATH --spring.profiles.active=develop,$IDLE_PROFILE --jasypt.encryptor.password=${encrypt} > /home/ubuntu/log/nohup_log.out 2> /home/ubuntu/log/nohup_error.out &
+
+echo "> $IDLE_PROFILE 10초 후 Health check 시작"
+echo "> curl -s http://localhost:$IDLE_PORT/actuator/health "
+sleep 10
+
+for retry_count in {1..10}
+do
+  response=$(curl -s http://localhost:$IDLE_PORT/actuator/health)
+  up_count=$(echo $response | grep 'UP' | wc -l)
+
+  if [ $up_count -ge 1 ]
+  then # $up_count >= 1 ("UP" 문자열이 있는지 검증)
+      echo "> Health check 성공"
+      break
+  else
+      echo "> Health check의 응답을 알 수 없거나 혹은 status가 UP이 아닙니다."
+      echo "> Health check: ${response}"
+  fi
+
+  if [ $retry_count -eq 10 ]
+  then
+    echo "> Health check 실패. "
+    echo "> Nginx에 연결하지 않고 배포를 종료합니다."
+    exit 1
+  fi
+
+  echo "> Health check 연결 실패. 재시도..."
+  sleep 10
+done
+
+echo "> 스위칭"
+sleep 10
+$REPOSITORY/scripts/switch.sh

scripts/deploy-execute.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+/home/ubuntu/action/scripts/deploy.sh > /dev/null 2> /dev/null < /dev/null &

src/main/java/com/spaceclub/global/profile/ProfileController.java

@@ -0,0 +1,25 @@
+package com.spaceclub.global.profile;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.core.env.Environment;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Arrays;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api")
+public class ProfileController {
+
+    private final Environment env;
+
+    @GetMapping("/profile")
+    public String profile() {
+        return Arrays.stream(env.getActiveProfiles())
+                .findAny()
+                .orElseGet(() -> " ");
+    }
+
+}

src/main/resources/application-blue.yml

@@ -0,0 +1,2 @@
+server:
+  port: 8081

src/main/resources/application-green.yml

@@ -0,0 +1,2 @@
+server:
+  port: 8082