Merge pull request #2233 from edx/feanil/saml_key_overrides

Overrides for SAML public key and private key vars.

playbooks/roles/edxapp/defaults/main.yml

@@ -519,6 +519,10 @@ EDXAPP_PROCTORING_BACKEND_PROVIDER:
 # Comprehensive Theming
 EDXAPP_COMP_THEME_DIR: ""
 
+# SAML KEYS
+EDXAPP_SOCIAL_AUTH_SAML_SP_PRIVATE_KEY: ''
+EDXAPP_SOCIAL_AUTH_SAML_SP_PUBLIC_CERT: ''
+
 #-------- Everything below this line is internal to the role ------------
 
 #Use YAML references (& and *) and hash merge <<: to factor out shared settings
@@ -678,6 +682,8 @@ edxapp_generic_auth_config:  &edxapp_generic_auth
   AWS_STORAGE_BUCKET_NAME: "{{ EDXAPP_AWS_STORAGE_BUCKET_NAME }}"
   DJFS: "{{ EDXAPP_DJFS }}"
   CREDIT_PROVIDER_SECRET_KEYS: "{{ EDXAPP_CREDIT_PROVIDER_SECRET_KEYS }}"
+  SOCIAL_AUTH_SAML_SP_PRIVATE_KEY: "{{ EDXAPP_SOCIAL_AUTH_SAML_SP_PRIVATE_KEY }}"
+  SOCIAL_AUTH_SAML_SP_PUBLIC_CERT: "{{ EDXAPP_SOCIAL_AUTH_SAML_SP_PUBLIC_CERT }}"
 
 generic_cache_config: &default_generic_cache
   BACKEND:  'django.core.cache.backends.memcached.MemcachedCache'