ceph-disk: make dmcrypt_unmap idempotent

Signed-off-by: Loic Dachary <loic@dachary.org>

diff --git a/src/ceph-disk/ceph_disk/main.py b/src/ceph-disk/ceph_disk/main.py
index 1159a246cb22980af47be788ed3b683445b25662..250d1e79eca26ae7fc0a066951770c7377457158 100755 (executable)
--- a/src/ceph-disk/ceph_disk/main.py
+++ b/src/ceph-disk/ceph_disk/main.py
@@ -1176,9 +1176,8 @@ def _dmcrypt_map(
 def dmcrypt_unmap(
     _uuid
 ):
-    """
-    Removes the dmcrypt device with the given UUID.
-    """
+    if not os.path.exists('/dev/mapper/' + _uuid):
+        return
     retries = 0
     while True:
         try: