cephadm: ceph-volume: disallow concurrent execution

Fixes: https://tracker.ceph.com/issues/44820
Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/cephadm/cephadm b/src/cephadm/cephadm
index fabadab0c00d36c95e9c3a63582272d2818e7b6e..7d257a65447b6c2087d77023f46bf2bb96e33a42 100755 (executable)
--- a/src/cephadm/cephadm
+++ b/src/cephadm/cephadm
@@ -2637,6 +2637,9 @@ def command_ceph_volume():
     if args.fsid:
         make_log_dir(args.fsid)
 
+    l = FileLock(args.fsid)
+    l.acquire()
+
     (uid, gid) = (0, 0) # ceph-volume runs as root
     mounts = get_container_mounts(args.fsid, 'osd', None)