DEVOPS-3036: Add MODULE_PREVIEW_URL insights setting

playbooks/roles/insights/defaults/main.yml

@@ -110,6 +110,7 @@ INSIGHTS_CONFIG:
   DATABASES: "{{ INSIGHTS_DATABASES }}"
   LMS_COURSE_SHORTCUT_BASE_URL: "{{ INSIGHTS_LMS_COURSE_SHORTCUT_BASE_URL }}"
   COURSE_API_URL: "{{ INSIGHTS_COURSE_API_URL }}"
+  MODULE_PREVIEW_URL: "{{ INSIGHTS_MODULE_PREVIEW_URL }}"
   # When insights is co-located with other django services, we need to ensure they don't all
   # use the same cookie names.
   SESSION_COOKIE_NAME:  "{{ INSIGHTS_SESSION_COOKIE_NAME | default('insights_sessionid') }}"
@@ -122,6 +123,7 @@ INSIGHTS_NGINX_PORT: "18110"
 INSIGHTS_GUNICORN_WORKERS: "2"
 INSIGHTS_GUNICORN_EXTRA: ""
 INSIGHTS_COURSE_API_URL: "{{ INSIGHTS_LMS_BASE }}/api/course_structure/v0/"
+INSIGHTS_MODULE_PREVIEW_URL: "{{ INSIGHTS_LMS_BASE }}/xblock"
 
 INSIGHTS_VERSION: "master"
 INSIGHTS_GIT_IDENTITY: !!null