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- ---
- - name: Ensure new web content is deployed
- hosts: web_servers
- gather_facts: false
- become: true
- serial: 1
- tasks:
- - name: the web server is removed from service during the update
- haproxy:
- socket: /var/lib/haproxy/stats
- state: disabled
- backend: classroom-web-farm
- host: "{{ inventory_hostname }}"
- delegate_to: servera.lab.example.com
- - name: the new content is deployed
- synchronize:
- src: "new_web_content/{{ inventory_hostname }}/"
- dest: /var/www/html
- delete: true
- notify: Varnish Cache is clean
- post_tasks:
- - name: Smoke Test - Ensure HTTP 200 OK
- uri:
- url: "http://localhost"
- status_code: 200
- # If the test fails, servers are not re-enabled
- # in the load balancers, and the update process halts.
- - name: the healthy web server is enabled in HAProxy
- haproxy:
- socket: /var/lib/haproxy/stats
- state: enabled
- backend: classroom-web-farm
- host: "{{ inventory_hostname }}"
- delegate_to: servera.lab.example.com
- handlers:
- - name: Varnish Cache is clean
- service:
- name: varnish
- state: restarted
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