(mirror of https://github.com/marekm72/vyos-cloud-init.git) https://git.amelek.net/marekm72/vyos-cloud-init.git/atom?h=circinus 2021-04-12T16:22:22+00:00 2021-04-12T16:22:22+00:00 lucasmoura lucas.moura@canonical.com 2021-04-12T16:22:22+00:00 urn:sha1:83f6bbfbe5b924be61a3c098f4202377d69c8947 On the datasource class, we require the use of paths.run_dir to perform some operations. On older cloud-init version, the Paths class does not have the run_dir attribute. To fix that, we are now manually adding that attribute in the Paths object if doesn't exist in the unpickle operation. LP: #1899299 2020-11-17T21:37:29+00:00 Daniel Watkins oddbloke@ubuntu.com 2020-11-17T21:37:29+00:00 urn:sha1:4f2da1cc1d24cbc47025cc8613c0d3ec287a20f9 This commit does the following: * introduces the `cloudinit.persistence` module, containing `CloudInitPickleMixin` which provides lightweight versioning of objects' pickled representations (and associated testing) * introduces a basic upgrade testing framework (in `cloudinit.tests.test_upgrade`) which unpickles pickles from previous versions of cloud-init (stored in `tests/data/old_pickles`) and tests invariants that the current cloud-init codebase expects * uses the versioning framework to address an upgrade issue where `Distro.networking` could get into an unexpected state, and uses the upgrade testing framework to confirm that the issue is addressed