Configure s3 buckets for video images - EDUCATOR-42

CHANGELOG.md

 - Role: ecommerce
   - Added ECOMMERCE_LANGUAGE_COOKIE_NAME which is the name of the cookie the ecommerce django app looks at for determining the language preference.
-  
+
 - Role: neo4j
   - Enabled splunk forwarding for neo4j logs.
   - Increased maximum amount of open files to 40000, as suggested by neo4j.
@@ -308,3 +308,6 @@
   - Added `INSIGHTS_DOMAIN` to configure the domain Insights is deployed on
   - Added `INSIGHTS_CLOUDFRONT_DOMAIN` to configure the domain static files can be served from
   - Added `INSIGHTS_CORS_ORIGIN_WHITELIST_EXTRA` to configure allowing CORS on domains other than the `INSIGHTS_DOMAIN`
+
+- Role: edxapp
+  - Added `EDXAPP_VIDEO_IMAGE_SETTINGS` to configure S3-backed video images.

playbooks/roles/edxapp/defaults/main.yml

@@ -664,6 +664,14 @@ EDXAPP_SESSION_SAVE_EVERY_REQUEST: false
 
 EDXAPP_SESSION_COOKIE_SECURE: false
 
+EDXAPP_VIDEO_IMAGE_MAX_AGE: 31536000
+
+# This is django storage configuration for Video Image settings.
+# You can configure S3 or Swift in lms/envs/common.py
+EDXAPP_VIDEO_IMAGE_SETTINGS:
+  VIDEO_IMAGE_MAX_BYTES : 2097152
+  VIDEO_IMAGE_MIN_BYTES : 2048
+
 # Course Block Structures
 EDXAPP_BLOCK_STRUCTURES_SETTINGS:
   # Delay, in seconds, after a new edit of a course is published
@@ -1042,6 +1050,8 @@ generic_env_config:  &edxapp_generic_env
   REGISTRATION_EXTRA_FIELDS: "{{ EDXAPP_REGISTRATION_EXTRA_FIELDS }}"
   XBLOCK_SETTINGS: "{{ EDXAPP_XBLOCK_SETTINGS }}"
   EDXMKTG_USER_INFO_COOKIE_NAME: "{{ EDXAPP_EDXMKTG_USER_INFO_COOKIE_NAME }}"
+  VIDEO_IMAGE_MAX_AGE: "{{ EDXAPP_VIDEO_IMAGE_MAX_AGE }}"
+  VIDEO_IMAGE_SETTINGS: "{{ EDXAPP_VIDEO_IMAGE_SETTINGS }}"
   BLOCK_STRUCTURES_SETTINGS: "{{ EDXAPP_BLOCK_STRUCTURES_SETTINGS }}"
 
   # Deprecated, maintained for backward compatibility