Make backup.yml play standalone

base.yml

@@ -1,15 +1,7 @@
 #!/usr/bin/env ansible-playbook
 ---
 # Set variable adm_iface for all servers
-- hosts: server
-  tasks:
-    - name: Register adm interface in adm_iface variable
-      shell: set -o pipefail && grep adm /sys/class/net/*/ifalias | sed "s|/sys/class/net/||" | sed "s|/ifalias:.*||"
-      register: adm_iface
-      check_mode: false
-      changed_when: true
-      args:
-        executable: /bin/bash
+- import_playbook: plays/get_adm_iface.yml
 
 # Common CRANS configuration for all servers
 - hosts: server

plays/backup.yml

@@ -3,6 +3,8 @@
 # zephir backups virtual machines.
 # omnomnom backups home dirs.
 
+- import_playbook: get_adm_iface.yml
+
 # Rsync client on all server to allow backup
 - hosts: server
   vars:

plays/get_adm_iface.yml

@@ -0,0 +1,11 @@
+#!/usr/bin/env ansible-playbook
+---
+- hosts: server
+  tasks:
+    - name: Register adm interface in adm_iface variable
+      shell: set -o pipefail && grep adm /sys/class/net/*/ifalias | sed "s|/sys/class/net/||" | sed "s|/ifalias:.*||"
+      register: adm_iface
+      check_mode: false
+      changed_when: true
+      args:
+        executable: /bin/bash