misc: Fix get_wwn_id_map() to be optional

Not all plana nodes have symlinks setup when
we check /dev/disk/by-id/wwn-*.  Instead of failing
here, just use the /dev/disk/sd* devices.

Signed-off-by: Sam Lang <sam.lang@inktank.com>

diff --git a/teuthology/misc.py b/teuthology/misc.py
index 024bf051f15f18e5ff181700d169735dae5e4f5d..c5303a93d0dd4ed6a928d8403b2ecd3ae85061c4 100644 (file)
--- a/teuthology/misc.py
+++ b/teuthology/misc.py
@@ -362,7 +362,8 @@ def get_wwn_id_map(remote, devs):
             )
         stdout = r.stdout.getvalue()
     except:
-        return None
+        log.error('Failed to get wwn devices! Using /dev/sd* devices...')
+        return devs
 
     devmap = {}