CORD-433 Add virtual fabric to CiaB

Change-Id: I8fbea8c85f309a4c226951e0cde96a9b7394d6eb
diff --git a/ansible/roles/prod/tasks/main.yml b/ansible/roles/prod/tasks/main.yml
index 1cd9f61..fb160cc 100644
--- a/ansible/roles/prod/tasks/main.yml
+++ b/ansible/roles/prod/tasks/main.yml
@@ -16,3 +16,18 @@
   command: ifup mgmtbr
   changed_when: true
 
+- name: Ensure fabric bridge
+  copy:
+    src: fabric.cfg
+    dest: /etc/network/interfaces.d/fabric.cfg
+    owner: root
+    group: root
+    mode: 0644
+
+- name: Ensure fabric bridge
+  command: ifup {{ item }}
+  changed_when: true
+  with_items:
+  - fabric
+  - fabric:0
+  - fabric:1