move `etcd_backup_prefix` to new home.

inventory/group_vars/all.yml

@@ -4,9 +4,6 @@ bootstrap_os: none
 #Directory where etcd data stored
 etcd_data_dir: /var/lib/etcd
 
-#Directory where etcd backups are stored on the host
-etcd_backup_prefix: /var/backups
-
 # Directory where the binaries will be installed
 bin_dir: /usr/local/bin
 

roles/etcd/defaults/main.yml

@@ -2,6 +2,7 @@
 # Set to false to only do certificate management
 etcd_cluster_setup: true
 
+etcd_backup_prefix: "/var/backups"
 etcd_bin_dir: "{{ local_release_dir }}/etcd/etcd-{{ etcd_version }}-linux-amd64/"
 etcd_data_dir: "/var/lib/etcd"