Added FERNET_KEY information to the CMS configuration (#21561)

[ENT-2191]

cms/envs/common.py

@@ -1999,6 +1999,11 @@ FACEBOOK_APP_ID = 'FACEBOOK_APP_ID'
 FACEBOOK_APP_SECRET = 'FACEBOOK_APP_SECRET'
 FACEBOOK_API_VERSION = 'v2.1'
 
+############### Settings for django-fernet-fields ##################
+FERNET_KEYS = [
+    'DUMMY KEY CHANGE BEFORE GOING TO PRODUCTION',
+]
+
 ### Proctoring configuration (redirct URLs and keys shared between systems) ####
 PROCTORING_BACKENDS = {
     'DEFAULT': 'null',

cms/envs/production.py

@@ -575,6 +575,9 @@ COMPLETION_VIDEO_COMPLETE_PERCENTAGE = ENV_TOKENS.get(
     COMPLETION_VIDEO_COMPLETE_PERCENTAGE,
 )
 
+############### Settings for django-fernet-fields ##################
+FERNET_KEYS = AUTH_TOKENS.get('FERNET_KEYS', FERNET_KEYS)
+
 ####################### Enterprise Settings ######################
 
 # A default dictionary to be used for filtering out enterprise customer catalog.