무중단 배포 스크립크 작성 (issue #456)

.github/workflows/backend_cd.yml

@@ -1,4 +1,4 @@
-name: Backend CD
+name: Backend None Stop CD
 
 on:
   workflow_dispatch:
@@ -9,6 +9,18 @@ on:
       - backend/**
 
 jobs:
+  findPreviousImageVersion:
+    name: 🔎Find Previous Docker Image Version
+    runs-on: [ self-hosted, devel-up-prod-a ]
+    outputs:
+      previousImageVersion: ${{steps.find_version.outputs.name}}
+    steps:
+      - id: find_version
+        run: |
+          PREVIOUS_IMAGE_NAME=$(docker ps --format "{{.Image}}")
+          echo "name=$PREVIOUS_IMAGE_NAME" >> $GITHUB_OUTPUT
+          echo $PREVIOUS_IMAGE_NAME
+
   build:
     name: 🏗️ Build Jar and Upload Docker Image
     runs-on: ubuntu-latest
@@ -48,10 +60,10 @@ jobs:
           tags: ${{ secrets.DOCKER_REPOSITORY_NAME }}:${{ github.sha }}
           platforms: linux/arm64
 
-  deploy:
-    name: 🚀 Server Deployment
+  deployToA:
+    name: 🚀 Server A Deployment
     needs: build
-    runs-on: [ self-hosted, develup ]
+    runs-on: [ self-hosted, devel-up-prod-a ]
     defaults:
       run:
         working-directory: backend
@@ -71,20 +83,100 @@ jobs:
       - name: 🐳 Docker Compose up
         run: docker compose -f compose.yml up -d
 
-      - name: 🐳 Clean Unused Image
-        run: docker image prune -af
+  healthCheckA:
+    name: 🙏 Server A Health Check
+    needs: deployToA
+    defaults:
+      run:
+        working-directory: backend
+    runs-on: [ self-hosted, devel-up-prod-a ]
+    steps:
+      - name: ♻️ Send Helth Check Request
+        run: chmod u+x ./scripts/healthcheck.sh && ./scripts/healthcheck.sh
+
+  rollBackA:
+    name: 🚀 Server A RollBack
+    needs: [healthCheckA, findPreviousImageVersion]
+    if: failure()
+    runs-on: [ self-hosted, devel-up-prod-a ]
+    defaults:
+      run:
+        working-directory: backend
+
+    env:
+      BACKEND_APP_IMAGE_NAME: ${{ needs.findPreviousImageVersion.outputs.previousImageVersion }}
+
+    steps:
+      - uses: actions/checkout@v4
 
-  slack-notify_success:
+      - name: 🐳 Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: 🐳 Docker Compose up
+        run: docker compose -f compose.yml up -d
+
+  healthCheckAAfterRollBack:
+    name: 🙏 Server A Health Check After RollBack
+    needs: rollBackA
+    if : ${{always() && needs.rollBackA.result != 'skipped'}}
+    defaults:
+      run:
+        working-directory: backend
+    runs-on: [ self-hosted, devel-up-prod-a ]
+    steps:
+      - name: ♻️ Send Helth Check Request
+        run: chmod u+x ./scripts/healthcheck.sh && ./scripts/healthcheck.sh
+
+  deployToB:
+    name: 🚀 Server B Deployment
+    needs: healthCheckA
+    if: ${{needs.healthCheckA.result == 'success'}}
+    runs-on: [ self-hosted, devel-up-prod-b ]
+    defaults:
+      run:
+        working-directory: backend
+
+    env:
+      BACKEND_APP_IMAGE_NAME: ${{ secrets.DOCKER_REPOSITORY_NAME }}:${{ github.sha }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: 🐳 Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: 🐳 Docker Compose up
+        run: docker compose -f compose.yml up -d
+
+  healthCheckB:
+    name: 🙏 Server B Health Check
+    needs: deployToB
+    defaults:
+      run:
+        working-directory: backend
+    runs-on: [ self-hosted, devel-up-prod-b ]
+    steps:
+      - name: ♻️ Send Helth Check Request
+        run: chmod u+x ./scripts/healthcheck.sh && ./scripts/healthcheck.sh
+
+  deploySuccessNotifiy:
+    name: 📢Send Deploy Success Notification
     runs-on: ubuntu-latest
     needs:
-      - build
-      - deploy
-    if: success()
+      - healthCheckA
+      - healthCheckB
+    if: ${{needs.healthCheckA.result == 'success' && needs.healthCheckB.result == 'success'}}
     steps:
       - name: Extract Commit Title
         run: |
           COMMIT_TITLE=$(echo "${{ github.event.head_commit.message }}" | head -n 1)
-          echo "COMMIT_TITLE=$COMMIT_TITLE" >> $GITHUB_ENV   
+          echo "COMMIT_TITLE=$COMMIT_TITLE" >> $GITHUB_ENV
 
       - name: Build and Deploy Success
         uses: slackapi/[email protected]
@@ -106,18 +198,19 @@ jobs:
         env:
           SLACK_BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
 
-  slack-notify_build-fail:
+  deployToBFailNotifiy:
+    name: 📢Send Deploy To Server B Fail Notification
     runs-on: ubuntu-latest
     needs:
-      - build
-    if: failure()
+      - healthCheckB
+    if: ${{failure() && needs.healthCheckB.result == 'failure'}}
     steps:
       - name: Extract Commit Title
         run: |
           COMMIT_TITLE=$(echo "${{ github.event.head_commit.message }}" | head -n 1)
-          echo "COMMIT_TITLE=$COMMIT_TITLE" >> $GITHUB_ENV   
+          echo "COMMIT_TITLE=$COMMIT_TITLE" >> $GITHUB_ENV
 
-      - name: Build Fail
+      - name: Build and Deploy Success
         uses: slackapi/[email protected]
         with:
           channel-id: ${{ secrets.ISSUE_CHANNEL }}
@@ -129,26 +222,59 @@ jobs:
                   "type": "section",
                   "text": {
                     "type": "mrkdwn",
-                    "text": "<!channel> \n 📣 Server Build & Deploy 결과를 안내 드립니다. 📣 \n\t • 🔴 Build Fail \n\t • 🏷️ 관련 Commit: <${{ github.event.head_commit.url }}|${{ env.COMMIT_TITLE }}>"
+                    "text": "<!channel> \n 📣 Server Build & Deploy 결과를 안내 드립니다. 📣 \n\t • 🚀 Build Success \n\t • 🔴 Server B Deploy Fail \n\t • 🏷️ 관련 Commit: <${{ github.event.head_commit.url }}|${{ env.COMMIT_TITLE }}>"
                   }
                 }
               ]
             }
         env:
           SLACK_BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
 
-  slack-notify_deploy-fail:
+  rollBackSuccessNotifiy:
+    name: 📢Send Server A RollBack Success Notification
     runs-on: ubuntu-latest
     needs:
-      - deploy
-    if: failure()
+      - healthCheckAAfterRollBack
+    if: ${{failure() && needs.healthCheckAAfterRollBack.result == 'success'}}
+    steps:
+      - name: Extract Commit Title
+        run: |
+          COMMIT_TITLE=$(echo "${{ github.event.head_commit.message }}" | head -n 1)
+          echo "COMMIT_TITLE=$COMMIT_TITLE" >> $GITHUB_ENV
+
+      - name: Build and Deploy Success
+        uses: slackapi/[email protected]
+        with:
+          channel-id: ${{ secrets.ISSUE_CHANNEL }}
+          payload: |
+            {
+              "text": "Build and Deploy Status",
+              "blocks": [
+                {
+                  "type": "section",
+                  "text": {
+                    "type": "mrkdwn",
+                    "text": "<!channel> \n 📣 Server Build & Deploy 결과를 안내 드립니다. 📣 \n\t • 🚀 Build Success \n\t • 🟠 Server A RollBack Success \n\t • 🏷️ 관련 Commit: <${{ github.event.head_commit.url }}|${{ env.COMMIT_TITLE }}>"
+                  }
+                }
+              ]
+            }
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
+
+  rollBackFailNotifiy:
+    name: 📢Send Server A RollBack Fail Notification
+    runs-on: ubuntu-latest
+    needs:
+      - healthCheckAAfterRollBack
+    if: ${{failure() && needs.healthCheckAAfterRollBack.result == 'failure'}}
     steps:
       - name: Extract Commit Title
         run: |
           COMMIT_TITLE=$(echo "${{ github.event.head_commit.message }}" | head -n 1)
-          echo "COMMIT_TITLE=$COMMIT_TITLE" >> $GITHUB_ENV   
+          echo "COMMIT_TITLE=$COMMIT_TITLE" >> $GITHUB_ENV
 
-      - name: Deploy Fail
+      - name: Build and Deploy Success
         uses: slackapi/[email protected]
         with:
           channel-id: ${{ secrets.ISSUE_CHANNEL }}
@@ -160,7 +286,7 @@ jobs:
                   "type": "section",
                   "text": {
                     "type": "mrkdwn",
-                    "text": "<!channel> \n 📣 Server Build & Deploy 결과를 안내 드립니다. 📣 \n\t • 🚀Build Success \n\t • 🔴Deploy Fail \n\t • 🏷️ 관련 Commit: <${{ github.event.head_commit.url }}|${{ env.COMMIT_TITLE }}>"
+                    "text": "<!channel> \n 📣 Server Build & Deploy 결과를 안내 드립니다. 📣 \n\t • 🚀 Build Success \n\t • 🔴Server A RollBack Fail \n\t • 🏷️ 관련 Commit: <${{ github.event.head_commit.url }}|${{ env.COMMIT_TITLE }}>"
                   }
                 }
               ]

backend/compose.yml

@@ -1,30 +1,11 @@
 services:
-  nginx:
-    image: nginx
-    depends_on:
-      - application
-    networks:
-      - nginx-app-net
-    ports:
-      - "80:80"
-      - "443:443"
-    volumes:
-      - /home/ubuntu/custom.conf:/etc/nginx/conf.d/default.conf
-      - /etc/letsencrypt/live/api.devel-up.co.kr/fullchain.pem:/etc/letsencrypt/live/api.devel-up.co.kr/fullchain.pem
-      - /etc/letsencrypt/live/api.devel-up.co.kr/privkey.pem:/etc/letsencrypt/live/api.devel-up.co.kr/privkey.pem
-
   application:
     image: ${BACKEND_APP_IMAGE_NAME}
-    networks:
-      - nginx-app-net
     ports:
-      - "8080:8080"
+      - "80:8080"
       - "8082:8082"
     environment:
       TZ: "Asia/Seoul"
-      SPRING_PROFILE: prod
+      SPRING_PROFILE: local
     restart: always
     container_name: develup-app
-
-networks:
-  nginx-app-net:

backend/scripts/healthcheck.sh

@@ -0,0 +1,12 @@
+for i in {1..5}; do
+response=$(curl -s -o /dev/null -w "%{http_code}" http://localhost/health)
+echo "Attempt $i: Response Code $response"
+
+if [ "$i" -eq 5 ] && [ "$response" -ne 200 ]; then
+echo "Health check failed after 10 attempts."
+exit 1
+fi
+
+sleep 5
+done
+echo "Health check passed."

backend/src/main/java/develup/api/HealthApi.java

@@ -0,0 +1,15 @@
+package develup.api;
+
+import develup.api.common.ApiResponse;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HealthApi {
+
+    @GetMapping("/health")
+    public ResponseEntity<ApiResponse<String>> health() {
+        return ResponseEntity.status(200).body(new ApiResponse<>("up"));
+    }
+}

backend/src/test/java/develup/api/HealthApiTest.java

@@ -0,0 +1,19 @@
+package develup.api;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+class HealthApiTest extends ApiTestSupport {
+
+    @Test
+    @DisplayName("성공 응답을 반환한다")
+    void health() throws Exception {
+        mockMvc.perform(get("/health"))
+                .andDo(print())
+                .andExpect(status().isOk());
+    }
+}