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Latest revisions

# Date Author Comment
4c4e4e1e 06/15/2009 08:13 pm Iustin Pop

Simplify RPC call result check in cmdlib.py

Now that all results are the same, we can even more simplify the
handling in cmdlib more. Almost all if result.RemoteFailMsg()…
constructs are similar, and we resurect the RpcResult.Raise() function
to take a message argument, which it will process and raise an...
c26a6bd2 06/15/2009 08:08 pm Iustin Pop

Simplify the RPC result framework in backend.py

Since now all functions fail via _Fail, the return True, … is redundant
as all normal return paths have it, and thus the True value can be added
in the ganeti-noded handler.

This means that all functions can now forget about the special result...
afdc3985 06/15/2009 08:08 pm Iustin Pop

Convert all backend function to exception

Instead of returning (False, msg) from rpc endpoints, we raise always
exceptions (the non-endpoint, internal functions can remain as is). This
means that the error paths are agnostic to how the failure is signalled...
5a533f8a 06/15/2009 08:08 pm Iustin Pop

Simplify usage of backend._FindDisks

Since all users of _FindDisks now return new-style results, we can
simply make it raise an exception and not deal with the status field.

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>
d3c8b360 06/15/2009 08:08 pm Iustin Pop

Pre-compute error status in RpcResult

Since now all RPCs have the new style result type, we can pre-compute
the error message at RpcResult() init time and not wait until it's
requested.

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>
4dd42c9d 06/15/2009 08:08 pm Iustin Pop

Implement result-type restriction in ganeti-noded

Since all rpc calls were converted, we can now:
- enforce result type to (status, data)
- convert all unhandled exceptions to (False, str(err))

This makes sure that all unhandled errors are reported to rpc users....
8e70b181 06/15/2009 08:08 pm Iustin Pop

Remove old invalid-os related functionality

We no longer need OS objects to be able to represent invalid OSes. This
cleans up the code handling those cases.

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>
255dcebd 06/15/2009 08:08 pm Iustin Pop

Big rewrite of the OS-related functions

Currently the OSes have a special, customized error handling: the OS
object can represent either a valid OS, or an invalid OS. The associated
function, instead of raising other exception or failing, create custom
OS objects representing failed OSes....
c8457ce7 06/15/2009 08:08 pm Iustin Pop

Convert the jobqueue rpc to new style result

This patch converts the job queue rpc calls to the new style result.
It's done in a single patch as there are helper function (in both jqueue
and backend) that are used by multiple rpcs and need synchronized
change....
b2b8bcce 06/15/2009 08:08 pm Iustin Pop

Convert the file storage rpcs to new style result

This patch converts all three file-storage rpc (create, delete, rename)
to new style result. This is done in a single patch as they all use a
helper function which itself needs to/can be converted.

Signed-off-by: Iustin Pop <>...

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