OPS-2492 make it so you can just delete ECOMMERCE_BROKER_HOST without changing HOSTNAME

playbooks/roles/ecommerce/defaults/main.yml

@@ -145,10 +145,10 @@ ECOMMERCE_STATICFILES_STORAGE: 'ecommerce.theming.storage.ThemeStorage'
 # Celery
 ECOMMERCE_BROKER_USERNAME: 'celery'
 ECOMMERCE_BROKER_PASSWORD: 'celery'
-ECOMMERCE_BROKER_HOST: '{{ ansible_default_ipv4.address }}'
+ECOMMERCE_BROKER_HOST: '{{ ECOMMERCE_BROKER_HOSTNAME }}'
 ECOMMERCE_BROKER_PORT: 5672
 ECOMMERCE_BROKER_TRANSPORT: 'amqp'
-ECOMMERCE_BROKER_HOSTNAME: '{{ ECOMMERCE_BROKER_HOST }}'
+ECOMMERCE_BROKER_HOSTNAME: '{{ ansible_default_ipv4.address }}'
 ECOMMERCE_BROKER_URL: '{{ ECOMMERCE_BROKER_TRANSPORT }}://{{ ECOMMERCE_BROKER_USERNAME }}:{{ ECOMMERCE_BROKER_PASSWORD }}@{{ ECOMMERCE_BROKER_HOSTNAME }}:{{ ECOMMERCE_BROKER_PORT }}'
 
 ECOMMERCE_DISCOVERY_SERVICE_URL: 'http://localhost:8008'