Blue Green

.gitea/workflows/main.yml

@@ -1,4 +1,4 @@
-name: Build, Push, and Deploy to Nomad
+name: Build, Push, and Blue/Green Deploy to Nomad
 
 on:
   push:
@@ -20,44 +20,52 @@ jobs:
           COMMIT_HASH=$(git rev-parse --short HEAD)
           docker build -t registry.i80.dk/gitea/lifefaq:latest -t registry.i80.dk/gitea/lifefaq:${COMMIT_HASH} .
 
-
       - name: Push Docker Image
         run: |
           COMMIT_HASH=$(git rev-parse --short HEAD)
-          echo "registry.i80.dk/gitea/lifefaq:latest"
-          echo "registry.i80.dk/gitea/lifefaq:${COMMIT_HASH}"
           docker push registry.i80.dk/gitea/lifefaq:${COMMIT_HASH}
           docker push registry.i80.dk/gitea/lifefaq:latest
 
-
-      - name: Validate Nomad Job
+      - name: Deploy Green Version to Nomad
         env:
           NOMAD_ADDR: https://nomad.i80.dk
-        run: nomad job validate .gitea/workflows/nomad-job.hcl
+        run: |
+          COMMIT_HASH=$(git rev-parse --short HEAD)
+          echo "Deploying green version with tag: ${COMMIT_HASH}"
+          sed "s/\${TAG}/${COMMIT_HASH}/" .gitea/workflows/nomad-job.hcl > nomad-green-job.hcl
+          nomad job run nomad-green-job.hcl
 
-      - name: Stop old deployment
+      - name: Update Nginx to Route Traffic to Green Deployment
+        run: |
+          echo "Updating NGINX to point to the green deployment"
+          ssh runner@nomad sudo /opt/nginx_updater/venv/bin/python3 /opt/nginx_updater/nginx_updater.py lifefaq-green
+
+      - name: Validate Green Deployment
         env:
           NOMAD_ADDR: https://nomad.i80.dk
-        run: nomad job stop -purge -no-shutdown-delay lifefaq
-        continue-on-error: true
+        run: |
+          echo "Waiting 30 seconds for green deployment to stabilize..."
+          sleep 30
+          echo "Validating green deployment health..."
+          # Add your health check logic here, e.g., HTTP checks, logs, etc.
+          curl -f https://lifefaq-green.i80.dk/health || exit 1
 
-
-      - name: Apply Nomad Job
+      - name: Stop Blue Deployment
         env:
           NOMAD_ADDR: https://nomad.i80.dk
-        run: nomad job run .gitea/workflows/nomad-job.hcl
+        run: |
+          echo "Stopping the old blue deployment"
+          nomad job stop -purge -no-shutdown-delay lifefaq-blue
 
-      - name: Update Nginx Configuration
-        run:  ssh runner@nomad sudo /opt/nginx_updater/venv/bin/python3 /opt/nginx_updater/nginx_updater.py lifefaq
+      - name: Promote Green Deployment to Blue
+        run: |
+          echo "Promoting green to blue by renaming..."
+          ssh runner@nomad sudo /opt/nginx_updater/venv/bin/python3 /opt/nginx_updater/nginx_updater.py lifefaq-blue
+          nomad job dispatch lifefaq-green lifefaq-blue
 
-      - name: Update Forwarder Configuration
-        run:  ssh runner@nomad sudo /opt/nginx_updater/venv/bin/python3 /opt/nginx_updater/update_forwarder.py --subdomain lifefaq
-
-
-#      - name: Restart Nomad Job
-#        env:
-#          NOMAD_ADDR: https://nomad.i80.dk
-#        run: |
-#          nomad job stop lifefaq
-#          sleep 5  # Optional: Wait to ensure the old allocation is stopped
-#          nomad job run .gitea/workflows/nomad-job.hcl
+      - name: Clean Up Green Deployment (Optional)
+        env:
+          NOMAD_ADDR: https://nomad.i80.dk
+        run: |
+          echo "Cleaning up green deployment..."
+          nomad job stop lifefaq-green