Blue green deploy, doesn't work yet.

ansible/playbooks/deploy_app.yml

@@ -119,21 +119,68 @@
       tags:
         - static
 
-    - name: Reload gunicorn due to no git upstream changes
-      become: yes
-      block:
-        - name: Find gunicorn process
-          shell: "ps -C gunicorn fch -o pid | head -n 1"
-          register: psaux
-        - name: Reload gunicorn
-          command: "kill -HUP {{ psaux.stdout }}"
-      # Only restart if there were no changes to the git repo or the static tag was applied
-      when: not pulled.changed or "'static' in ansible_playbook_tag"
-      rescue:
-        - name: Restart Docker Container
-          command: "docker restart newsblur_web"
-      tags:
-        - static
+    - name: Run new Docker container with temporary name
+      docker_container:
+        name: "newsblur_web_new"
+        image: "newsblur/newsblur_web:latest"
+        pull: true
+        state: started
+        restart_policy: always
+        command: "gunicorn newsblur.wsgi:application --bind :8000 --workers 4"
+        hostname: "newsblur_web_new"
+        networks:
+          - name: newsblur-network
+        ports:
+          - "8001:8000" # Use different port for new instance
+        volumes:
+          - /srv/newsblur:/srv/newsblur
+          - /etc/nginx/sites-enabled:/etc/nginx/sites-enabled
+          - /etc/nginx/sites-available:/etc/nginx/sites-available
+          - /srv/secrets-newsblur:/srv/secrets-newsblur
+
+    - name: Wait for new temp container to be healthy
+      uri:
+        url: "http://localhost:8001/api/health-check" # Add health check endpoint
+        status_code: 200
+        validate_certs: no
+      register: result
+      retries: 10
+      delay: 5
+      until: result.status == 200
+
+    - name: Run new Docker container with original name
+      docker_container:
+        name: "newsblur_web"
+        image: "newsblur/newsblur_web:latest"
+        pull: true
+        state: started
+        restart_policy: always
+        command: "gunicorn newsblur.wsgi:application --bind :8000 --workers 4"
+        hostname: "newsblur_web"
+        networks:
+          - name: newsblur-network
+        ports:
+          - "8000:8000"
+        volumes:
+          - /srv/newsblur:/srv/newsblur
+          - /etc/nginx/sites-enabled:/etc/nginx/sites-enabled
+          - /etc/nginx/sites-available:/etc/nginx/sites-available
+          - /srv/secrets-newsblur:/srv/secrets-newsblur
+
+    - name: Wait for new original container to be healthy
+      uri:
+        url: "http://localhost:8000/api/health-check"
+        status_code: 200
+        validate_certs: no
+      register: result
+      retries: 10
+      delay: 5
+      until: result.status == 200
+
+    - name: Stop and remove temp Docker container
+      docker_container:
+        name: "newsblur_web_new"
+        state: absent
 
     - name: Start Consul
       become: yes

ansible/roles/celery_task/tasks/main.yml

@@ -54,7 +54,7 @@
       - /etc/hosts:/etc/hosts
   with_items:
     - container_name: "task-celery"
-      command: "celery worker -A newsblur_web --loglevel=INFO -Q new_feeds,push_feeds,update_feeds,search_indexer,discover_indexer"
+      command: "celery worker -A newsblur_web --loglevel=INFO -Q discover_indexer,search_indexer,new_feeds,push_feeds,update_feeds"
       when: "{{ inventory_hostname == 'htask-celery-10' }}"
     - container_name: "task-celery"
       command: "celery worker -A newsblur_web --loglevel=INFO -Q new_feeds,push_feeds,update_feeds,search_indexer"

config/gunicorn_conf.py

@@ -25,7 +25,6 @@ forwarded_allow_ips = "*"
 limit_request_line = 16000
 limit_request_fields = 1000
 worker_tmp_dir = "/dev/shm"
-reload = True
 
 workers = max(int(math.floor(GIGS_OF_MEMORY * 2)), 3)
 

docker/haproxy/haproxy.consul.cfg.j2

@@ -183,6 +183,7 @@ backend staging
     default-server check inter 2000ms resolvers consul resolve-prefer ipv4 resolve-opts allow-dup-ip init-addr none
     {% for host in groups.staging %}
         server {{host}} {{host}}.node.nyc1.consul:8000
+        server {{host}} {{host}}.node.nyc1.consul:8001 backup
     {% endfor %}
 
 backend blog

docker/haproxy/haproxy.staging.cfg

@@ -113,16 +113,19 @@ backend app_django_counts
     balance roundrobin
     option httpchk GET /_haproxychk
     server app_django 127.0.0.1:8000 check inter 3000ms
+    server app_django_backup 127.0.0.1:8001 check inter 3000ms backup
 
 backend app_django_refresh
     balance roundrobin
     option httpchk GET /_haproxychk
     server app_django 127.0.0.1:8000 check inter 3000ms
+    server app_django_backup 127.0.0.1:8001 check inter 3000ms backup
 
 backend app_django
     balance roundrobin
     option httpchk GET /_haproxychk
     server app_django 127.0.0.1:8000 check inter 3000ms
+    server app_django_backup 127.0.0.1:8001 check inter 3000ms backup
 
 backend maintenance
     option httpchk HEAD /maintenance

newsblur_web/entrypoint.sh

@@ -2,5 +2,5 @@
 
 if [[ -z "${TEST}" && "${TEST}" = "True"  ]]
 then echo " ---> Starting test env"
-else python3 manage.py check_db; gunicorn -c config/gunicorn_conf.py newsblur_web.wsgi:application
+else python3 manage.py check_db; gunicorn -c config/gunicorn_conf.py --reload newsblur_web.wsgi:application
 fi