VOL-382 This update adds a replicated file system to hold the registry
information such that regardless of where the cluster registry restarted
in the event of a server failure or a complete cluster reboot.
A few cleanup items for hard coded directory values were also addressed.

Change-Id: I5d1313c5f093bafb7c4669ac91813251bbbb6795
diff --git a/install/ansible/roles/glusterfs/tasks/main.yml b/install/ansible/roles/glusterfs/tasks/main.yml
new file mode 100644
index 0000000..e744d75
--- /dev/null
+++ b/install/ansible/roles/glusterfs/tasks/main.yml
@@ -0,0 +1,14 @@
+- name: The glusterfs volume is created
+  gluster_volume:
+    bricks: "{{ replicated_fs_dir }}/brick1"
+    force: true
+    cluster: "{{groups.cluster | join(\",\")}}"
+    replicas: 3
+    name: registry_volume
+    state: present
+  run_once: true
+
+- name: Start the gluster volume
+  gluster_volume:
+    name: registry_volume
+    state: started