Status: Accepted
Owner: ----
Labels: Type-Defect Milestone-Release2.10 Priority-Medium
New issue 784 by [email protected]: gnt-node list returns blank info when
file storage paths do not exist on disk
http://code.google.com/p/ganeti/issues/detail?id=784
What steps will reproduce the problem?
1. Upgrade a cluster with enabled file/sharedfile storage from 2.8/2.9 to
2.10
2. Make sure a storage path does not exist
3. Run gnt-node list
What is the expected output? What do you see instead?
gnt-node list will return questionmarks on all fields. This is because
storage.filestorage.GetFileStorageSpaceInfo() raises an unhandled exception
and
causes backend.GetNodeInfo() to fail. The output in the node daemon log is:
2014-03-20 14:02:43,602: ganeti-noded pid=16382 ERROR Error in RPC call
Traceback (most recent call last):
File "/usr/share/ganeti/2.10/ganeti/server/noded.py", line 181, in
HandleRequest
result = (True, method(serializer.LoadJson(req.request_body)))
File "/usr/share/ganeti/2.10/ganeti/server/noded.py", line 762, in
perspective_node_info
return backend.GetNodeInfo(storage_units, hv_specs)
File "/usr/share/ganeti/2.10/ganeti/backend.py", line 752, in GetNodeInfo
(lambda (storage_type, storage_key, storage_params):
File "/usr/share/ganeti/2.10/ganeti/backend.py", line 731, in
_GetNamedNodeInfo
return map(fn, names)
File "/usr/share/ganeti/2.10/ganeti/backend.py", line 753, in <lambda>
_ApplyStorageInfoFunction(storage_type, storage_key, storage_params)))
File "/usr/share/ganeti/2.10/ganeti/backend.py", line 806, in
_ApplyStorageInfoFunction
return fn(storage_key, *args)
File "/usr/share/ganeti/2.10/ganeti/backend.py", line 770, in
_GetFileStorageSpaceInfo
return filestorage.GetFileStorageSpaceInfo(path)
File "/usr/share/ganeti/2.10/ganeti/storage/filestorage.py", line 56, in
GetFileStorageSpaceInfo
" path: %s - %s" % (path, e.strerror))
CommandError: Failed to retrieve file system information about path: - No
such file or directory
Most likely, GetFileStorageSpaceInfo() should check for path existence and
return available and used size of zero for non-existing paths.
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