Add overrides for two new variables.

playbooks/roles/edxapp/defaults/main.yml

@@ -426,6 +426,9 @@ EDXAPP_CROSS_DOMAIN_CSRF_COOKIE_NAME: ""
 CDN_VIDEO_URLS: {}
 PERFORMANCE_GRAPHITE_URL: 'SetPerformanceGraphiteHostName'
 
+# E-Commerce Related Settings
+EDXAPP_ECOMMERCE_API_URL: 'http://localhost:18130'
+EDXAPP_ECOMMERCE_API_SIGNING_KEY: 'SET-ME-PLEASE'
 
 #-------- Everything below this line is internal to the role ------------
 
@@ -518,6 +521,7 @@ edxapp_environment:
   CONFIG_ROOT: "{{ edxapp_app_dir }}"
 
 edxapp_generic_auth_config:  &edxapp_generic_auth
+  ECOMMERCE_API_SIGNING_KEY: "{{ EDXAPP_ECOMMERCE_API_SIGNING_KEY }}"
   ANALYTICS_DATA_TOKEN: "{{ EDXAPP_ANALYTICS_DATA_TOKEN }}"
   AWS_ACCESS_KEY_ID:  "{{ EDXAPP_AWS_ACCESS_KEY_ID }}"
   AWS_SECRET_ACCESS_KEY: "{{ EDXAPP_AWS_SECRET_ACCESS_KEY }}"
@@ -617,6 +621,7 @@ generic_cache_config: &default_generic_cache
   LOCATION: "{{ EDXAPP_MEMCACHE }}"
 
 generic_env_config:  &edxapp_generic_env
+  ECOMMERCE_API_URL: "{{ EDXAPP_ECOMMERCE_API_URL }}"
   CORS_ORIGIN_WHITELIST: "{{ EDXAPP_CORS_ORIGIN_WHITELIST }}"
   CORS_ORIGIN_ALLOW_ALL: $EDXAPP_CORS_ORIGIN_ALLOW_ALL
   CROSS_DOMAIN_CSRF_COOKIE_DOMAIN: "{{ EDXAPP_CROSS_DOMAIN_CSRF_COOKIE_DOMAIN }}"