refactor notes ES URL to allow for secure configuration override to point to AWS ES cluster

playbooks/roles/edx_notes_api/defaults/main.yml

@@ -23,7 +23,10 @@ EDX_NOTES_API_MYSQL_HOST: localhost
 EDX_NOTES_API_MYSQL_PORT: "3306"
 EDX_NOTES_API_MYSQL_OPTIONS:
   connect_timeout: 10
-EDX_NOTES_API_ELASTICSEARCH_URL: http://127.0.0.1:9200
+EDX_NOTES_API_ELASTICSEARCH_HOST: "localhost"
+EDX_NOTES_API_ELASTICSEARCH_PORT: "9200"
+EDX_NOTES_API_ELASTICSEARCH_PROTOCOL: "http"
+EDX_NOTES_API_ELASTICSEARCH_URL: "{{ EDX_NOTES_API_ELASTICSEARCH_PROTOCOL }}://{{ EDX_NOTES_API_ELASTICSEARCH_HOST }}:{{ EDX_NOTES_API_ELASTICSEARCH_PORT }}"
 EDX_NOTES_API_NEWRELIC_APPNAME: "{{ COMMON_ENVIRONMENT }}-{{ COMMON_DEPLOYMENT }}-notes"
 # Change these values!!
 EDX_NOTES_API_SECRET_KEY: "CHANGEME"