Set empty list as default for osd_directories

As described in issue #1224 leaving this variable undefined may
cause a problem during execution of the ceph-osd role.

diff --git a/roles/ceph-osd/defaults/main.yml b/roles/ceph-osd/defaults/main.yml
index 38fec306ba0e59895579c8746c4510c9786d4404..fded10d75a831dda75ff38103ecb53ec8db48852 100644 (file)
--- a/roles/ceph-osd/defaults/main.yml
+++ b/roles/ceph-osd/defaults/main.yml
@@ -136,6 +136,7 @@ osd_directory: false
 #osd_directories:
 #  - /var/lib/ceph/osd/mydir1
 #  - /var/lib/ceph/osd/mydir2
+osd_directories: []
 
 
 # IV. This will partition disks for BlueStore