[24.0 backport] c8d/container: Follow snapshot parents for size calculation #46097
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Refactor GetContainerLayerSize to calculate unpacked image size only by following the snapshot parent tree directly instead of following it by using diff ids from image config. This works even if the original manifest/config used to create that container is no longer present in the content store. Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com> (cherry picked from commit 4d8e3f5) Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
rumpl
approved these changes
Jul 28, 2023
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This fixes
docker ps -s -aanddocker container prunefailing when there's a container which image's config is no longer present in the content store.- What I did
Refactor GetContainerLayerSize to calculate unpacked image size only by following the snapshot parent tree directly instead of following it by using diff ids from image config.
This works even if the original manifest/config used to create that container is no longer present in the content store.
- How I did it
- How to verify it
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