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# Date Author Comment
9b85ede9 01/13/2014 12:08 pm Klaus Aehlig

Add utility to compare versions

This will be needed, e.g., for post-upgrade task, as they
have to decide whether a feature was not yet present at
the version started from.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Hrvoje Ribicic <>

2f1278d8 10/08/2013 01:14 pm Klaus Aehlig

Provide utility function to check a configuration version

In order for 'gnt-cluster upgrade --resume' to determine whether the configuration
is already upgraded, it needs to compare whether a configuration version is compatible
with a Ganeti target version. Provide a utility function for this....

ec5e54bb 10/08/2013 01:14 pm Klaus Aehlig

Fix typo in doc string

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Thomas Thrainer <>

78521495 10/04/2013 05:10 pm Klaus Aehlig

Add predicate whether to call cfgupgrade --downgrade

Provide a predicate that, given the current version and the
version to go to, tells whether it is appropriate to call
cfgupgrade --downgrade.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Jose Lopes <>

0890e0d1 10/04/2013 05:10 pm Klaus Aehlig

Add utility function to recognize upgrade ranges

Upgrading is possible within the same major version to any equal
or higher minor version. Downgrading is possible within the same
major version to the previous minor version. Moreover, automatic
upgrades are only supported from version 2.10 onwards. Add a utility...

1eda3dd3 10/04/2013 05:09 pm Klaus Aehlig

Add utility function to parse version strings

The new 'gnt-cluster upgrade' command will get a Ganeti version as
argument. So provide a function able to parse it.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Jose Lopes <>

effc1b86 09/25/2013 01:50 pm Jose A. Lopes

Move 'BuildVersion' to 'lib/utils/version.py'

Functions 'BuildVersion' and 'SplitVersion' are no longer needed by
the constants and, given that they are not constants, they should be
moved elsewhere. Since they are only used by 'cfgupgrade' and tests,
these functions are moved to 'lib/utils/version.py' and references to...