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Helga Velroyen authored
This patch implements consistent usage and behavior of the --file-storage-dir option in 'gnt-cluster init' and 'gnt-cluster modify'. It includes a bunch of unit tests as well. Additionally, it enables the previously written unit tests for 'instance_storage', which were forgotten to be included in the Makefile so far. Signed-off-by: Helga Velroyen <helgav@google.com> Reviewed-by: Thomas Thrainer <thomasth@google.com>
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