Split out a simple frontend playbook

playbooks/frontend.yml

+---
+
+# Playbook that runs the float infra roles on 'frontend' hosts.
+
+- hosts: frontend
+  roles:
+    - nginx
+    - dns
+    - haproxy
+
+- hosts: admin-dashboard
+  roles:
+    - admin-dashboard
+
+- hosts: acme
+  roles:
+    - acme
+

playbooks/infra.yml

@@ -14,11 +14,7 @@
 
 - import_playbook: docker.yml
 
-- hosts: frontend
-  roles:
-    - nginx
-    - dns
-    - haproxy
+- import_playbook: frontend.yml
 
 - import_playbook: prometheus.yml
 
@@ -26,14 +22,7 @@
   roles:
     - log-collector
 
-- hosts: admin-dashboard
-  roles:
-    - admin-dashboard
-
 - hosts: backup-metadata
   roles:
     - backup-metadata
 
-- hosts: acme
-  roles:
-    - acme