27762057053
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Ran 18 Jun 2026 01:16PM UTC

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Committed 18 Jun 2026 01:14PM UTC coverage: 78.996%. Remained the same

Build # 27762057053

Build Type

push

github

Committed by

web-flow

Commit Message

Implement Better VM revert using VDI revert (#7132)

This PR contains the changes needed to implement the proposal shown in
https://github.com/xapi-project/xen-api/blob/master/doc/content/design/snapshot-revert.md

Please note that the storage backends need to implement VDI_REVERT in
order to benefit from this change.

The fallback logic to the previous method complicates the implementation
quite a bit, although it's made a bit more manageable using sets.
The complexity comes from the current infrastructure to clone and
delete, which mixes VBDs and VDIs, and that two VMs are related: the
'live' or 'destination' VM and the snapshot VM.

Note that only disks are affected by the change, and both CDs and
suspend VDIs are treated the same way as before.

There's one change in user-visible behaviour: now the UUID of the VDIs
do not change when reverting if VDI.revert is used.

This PR is a port to master of
https://github.com/xapi-project/xen-api/pull/7116

Coverage Stats

3667 of 4642 relevant lines covered (79.0%)

0.79 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	python3.11 - 27762057053.1	18 Jun 2026 01:15PM UTC	36	79.0	GitHub Action Run

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