ceph.in: allow 'flags' to not be present in cmddescs

the 'flags' key in the command description dict may not be
present on older monitors.  Check for existence before
using it.

Introduced in 61d63433dfdcc08ecc21ba4f645794da5e01823c

Fixes: http://tracker.ceph.com/issues/18297
Signed-off-by: Dan Mick <dan.mick@redhat.com>

diff --git a/src/ceph.in b/src/ceph.in
index a32d42c8e9ce07cfd7fdfa6a31f06e15b1d343a6..c2da5c509d0bdbc638dbbf96335620d4737670b5 100755 (executable)
--- a/src/ceph.in
+++ b/src/ceph.in
@@ -342,7 +342,9 @@ def format_help(cmddict, partial=None):
 
         if not cmd['help']:
             continue
-        if cmd['flags'] is not None and ((cmd['flags'] & (FLAG_OBSOLETE | FLAG_DEPRECATED)) != 0):
+        flags = cmd.get('flags')
+        if (flags is not None and
+            (flags & (FLAG_OBSOLETE | FLAG_DEPRECATED)) != 0):
             continue
         concise = concise_sig(cmd['sig'])
         if partial and not concise.startswith(partial):