Merge pull request #3684 from edx/OPS-1407_celery_queue

added celery queue variable

playbooks/roles/edxapp/defaults/main.yml

@@ -136,6 +136,7 @@ EDXAPP_CELERY_USER: 'celery'
 EDXAPP_CELERY_PASSWORD: 'celery'
 EDXAPP_CELERY_BROKER_VHOST: ""
 EDXAPP_CELERY_BROKER_USE_SSL: false
+EDXAPP_CELERY_EVENT_QUEUE_TTL: "None"
 
 EDXAPP_VIDEO_CDN_URLS:
   EXAMPLE_COUNTRY_CODE: "http://example.com/edx/video?s3_url="
@@ -824,6 +825,7 @@ generic_env_config:  &edxapp_generic_env
   ANALYTICS_DASHBOARD_URL: '{{ EDXAPP_ANALYTICS_DASHBOARD_URL }}'
   CELERY_BROKER_VHOST: "{{ EDXAPP_CELERY_BROKER_VHOST }}"
   CELERY_BROKER_USE_SSL: "{{ EDXAPP_CELERY_BROKER_USE_SSL }}"
+  CELERY_EVENT_QUEUE_TTL: "{{ EDXAPP_CELERY_EVENT_QUEUE_TTL }}"
   PAYMENT_SUPPORT_EMAIL: "{{ EDXAPP_PAYMENT_SUPPORT_EMAIL }}"
   ZENDESK_URL: "{{ EDXAPP_ZENDESK_URL }}"
   ZENDESK_CUSTOM_FIELDS: "{{ EDXAPP_ZENDESK_CUSTOM_FIELDS }}"