ENT-839 Plumb new settings variables for configuring saml certs

playbooks/roles/edxapp/defaults/main.yml

@@ -745,6 +745,9 @@ EDXAPP_COMPREHENSIVE_THEME_VERSION: ""
 EDXAPP_SOCIAL_AUTH_SAML_SP_PRIVATE_KEY: ''
 EDXAPP_SOCIAL_AUTH_SAML_SP_PUBLIC_CERT: ''
 
+EDXAPP_SOCIAL_AUTH_SAML_SP_PRIVATE_KEY_DICT: {}
+EDXAPP_SOCIAL_AUTH_SAML_SP_PUBLIC_CERT_DICT: {}
+
 # Session cookie setting
 # Only set this to true for client side profiling, never for production
 EDXAPP_SESSION_SAVE_EVERY_REQUEST: false
@@ -1012,6 +1015,8 @@ edxapp_generic_auth_config:  &edxapp_generic_auth
   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 }}"
+  SOCIAL_AUTH_SAML_SP_PRIVATE_KEY_DICT: "{{ EDXAPP_SOCIAL_AUTH_SAML_SP_PRIVATE_KEY_DICT }}"
+  SOCIAL_AUTH_SAML_SP_PUBLIC_CERT_DICT: "{{ EDXAPP_SOCIAL_AUTH_SAML_SP_PUBLIC_CERT_DICT }}"
   FACEBOOK_APP_ID: "{{ EDXAPP_FACEBOOK_APP_ID }}"
   FACEBOOK_APP_SECRET: "{{ EDXAPP_FACEBOOK_APP_SECRET }}"
   FACEBOOK_API_VERSION: "{{ EDXAPP_FACEBOOK_API_VERSION }}"