ceph-volume: python2 raises OSError on Popen with missing binary.

For compatibility alias FileNotFoundError to OSError.

Fixes: 72b79f71fa84fe0d56b2fd1745f5bb130380cc38
Fixes: https://tracker.ceph.com/issues/42967
Signed-off-by: Jan Fajerski <jfajerski@suse.com>
(cherry picked from commit 12c5f89ddb51a1db9399e03591e1db6c429b9c9e)

diff --git a/src/ceph-volume/ceph_volume/util/system.py b/src/ceph-volume/ceph_volume/util/system.py
index 100bcd7b0d25d47ba587e9434df1e32f588bb3e2..5aaca59af7557f4310ce936c6917d28cff2312a8 100644 (file)
--- a/src/ceph-volume/ceph_volume/util/system.py
+++ b/src/ceph-volume/ceph_volume/util/system.py
@@ -8,6 +8,12 @@ import uuid
 from ceph_volume import process, terminal
 from . import as_string
 
+# python2 has no FileNotFoundError
+try:
+    FileNotFoundError
+except NameError:
+    FileNotFoundError = OSError
+
 logger = logging.getLogger(__name__)
 mlogger = terminal.MultiLogger(__name__)