Merge pull request #391 from git-harry/fetch-run-once

Prevent failure from race creating fetch directory

roles/ceph-common/tasks/main.yml

@@ -53,6 +53,7 @@
   local_action: file path=fetch state=directory
   changed_when: false
   sudo: false
+  run_once: true
 
 - name: generate cluster uuid
   local_action: shell uuidgen | tee fetch/ceph_cluster_uuid.conf