set an overridable SES region name, defaulting to us-east-1

playbooks/roles/edxapp/defaults/main.yml

@@ -96,6 +96,9 @@ EDXAPP_EMAIL_USE_TLS: False
 EDXAPP_EMAIL_HOST_USER: ''
 EDXAPP_EMAIL_HOST_PASSWORD: ''
 
+EDXAPP_AWS_SES_REGION_NAME: "us-east-1"
+EDXAPP_AWS_SES_REGION_ENDPOINT: "email-smtp.us-east-1.amazonaws.com"
+
 EDXAPP_LOG_LEVEL: 'INFO'
 
 EDXAPP_MEMCACHE: [ 'localhost:11211' ]
@@ -796,6 +799,8 @@ generic_env_config:  &edxapp_generic_env
   EMAIL_HOST: "{{ EDXAPP_EMAIL_HOST }}"
   EMAIL_PORT: "{{ EDXAPP_EMAIL_PORT }}"
   EMAIL_USE_TLS: "{{ EDXAPP_EMAIL_USE_TLS }}"
+  AWS_SES_REGION_NAME: "{{ EDXAPP_AWS_SES_REGION_NAME }}"
+  AWS_SES_REGION_ENDPOINT: "{{ EDXAPP_AWS_SES_REGION_ENDPOINT }}"
   FEATURES: "{{ EDXAPP_FEATURES }}"
   WIKI_ENABLED: true
   SYSLOG_SERVER:  "{{ EDXAPP_SYSLOG_SERVER }}"