add ssl for edx-search

playbooks/roles/edxapp/defaults/main.yml

@@ -98,6 +98,7 @@ EDXAPP_MYSQL_PORT: '3306'
 
 EDXAPP_SEARCH_HOST: 'localhost'
 EDXAPP_SEARCH_PORT: 9200
+EDXAPP_SEARCH_USE_SSL: false
 
 # list of dictionaries of the format
 # { 'host': 'hostname', 'port': 'portnumber', 'otherconfigsuchas use_ssl': 'True' }
@@ -105,6 +106,7 @@ EDXAPP_SEARCH_PORT: 9200
 EDXAPP_ELASTIC_SEARCH_CONFIG:
   - host: "{{ EDXAPP_SEARCH_HOST }}"
     port: "{{ EDXAPP_SEARCH_PORT }}"
+    use_ssl: "{{ EDXAPP_SEARCH_USE_SSL }}"
 
 EDXAPP_SETTINGS: '{{ COMMON_EDXAPP_SETTINGS }}'