ceph-disk: create the data directory if it does not exist

Instead of failing if the OSD data directory does not exist, create
it. Only do so if the data directory is not enforced to be a device via
the use of the --data-dev flag. The directory is not recursively created.

Signed-off-by: Loic Dachary <loic@dachary.org>
(cherry picked from commit 306b099ab093bfac466d68fe1cb87367bc01e577)

diff --git a/src/ceph-disk b/src/ceph-disk
index 9d76a4bdd56f38edd5c491af6ce73a5642d2c190..3f08641a5cd4971469b75fec4aa46b9c38f405ab 100755 (executable)
--- a/src/ceph-disk
+++ b/src/ceph-disk
@@ -1219,7 +1219,10 @@ def main_prepare(args):
     try:
         prepare_lock.acquire()
         if not os.path.exists(args.data):
-            raise Error('data path does not exist', args.data)
+            if args.data_dev:
+                raise Error('data path does not exist', args.data)
+            else:
+                os.mkdir(args.data)
 
         # in use?
         dmode = os.stat(args.data).st_mode