Add all the overrides for pointing to the datastores host.

playbooks/small_deployments/edx-datastores.yml

@@ -8,12 +8,14 @@
   hosts: datastores
   sudo: True
   gather_facts: True
+  vars:
+    MYSQL_BIND_ADDRESS: "0.0.0.0"
   vars_files:
-    - roles/edxapp/defaults/main.yml
-    - roles/forum/defaults/main.yml
-    - roles/xqueue/defaults/main.yml
-    - roles/ecommerce/defaults/main.yml
-    - roles/ecomworker/defaults/main.yml
+    - "../roles/edxapp/defaults/main.yml"
+    - "../roles/forum/defaults/main.yml"
+    - "../roles/xqueue/defaults/main.yml"
+    - "../roles/ecommerce/defaults/main.yml"
+    - "../roles/ecomworker/defaults/main.yml"
   roles:
     # This install mysql and creates users.
     - role: edxlocal

playbooks/small_deployments/edx-stateless.yml

@@ -13,7 +13,17 @@
     openid_workaround: True
     EDXAPP_LMS_NGINX_PORT: '80'
     ENABLE_ECOMMERCE: False  # Disable ecommerce by default
-
+    EDXAPP_MONGO_HOSTS: "{{ groups['datastores'] }}"
+    EDXAPP_MYSQL_HOST: "{{ groups['datastores'][0] }}"
+    EDXAPP_MYSQL_CSMH_HOST: "{{ groups['datastores'][0] }}"
+    EDXAPP_ELASTIC_SEARCH_CONFIG:
+      - host: "{{ groups['datastores'][0] }}"
+        port: 9200
+    EDXAPP_MEMCACHE: ["{{ groups['datastores'][0] }}"]
+    FORUM_MONGO_HOSTS: "{{ groups['datastores'] }}"
+    FORUM_ELASTICSEARCH_HOST: "{{ groups['datastores'][0] }}"
+    XQUEUE_RABBITMQ_HOSTNAME: "{{ groups['datastores'][0] }}"
+    XQUEUE_MYSQL_HOST: "{{ groups['datastores'][0] }}"
   roles:
 
     # Server setup

playbooks/small_deployments/library

+../library/
\ No newline at end of file