ceph-volume: fix raw list for non-existent device

ceph-volume should not crash when given a device which doesn't exist.

Fixes: https://tracker.ceph.com/issues/63391

Signed-off-by: Matthew Booth <[email protected]>
(cherry picked from commit e009b1a)

Author: mdbooth

src/ceph-volume/ceph_volume/devices/raw/list.py

@@ -88,7 +88,11 @@ def generate(self, devs=None):
             # parent isn't bluestore, then the child could be a valid bluestore OSD. If we fail to
             # determine whether a parent is bluestore, we should err on the side of not reporting
             # the child so as not to give a false negative.
-            info_device = [info for info in info_devices if info['NAME'] == dev][0]
+            matched_info_devices = [info for info in info_devices if info['NAME'] == dev]
+            if not matched_info_devices:
+                logger.warning('device {} does not exist'.format(dev))
+                continue
+            info_device = matched_info_devices[0]
             if 'PKNAME' in info_device and info_device['PKNAME'] != "":
                 parent = info_device['PKNAME']
                 try: