In pulls, compute DiffIDs earlier, and also for v2s2#2635
Merged
mtrmac merged 8 commits intocontainers:mainfrom Nov 28, 2024
Merged
In pulls, compute DiffIDs earlier, and also for v2s2#2635mtrmac merged 8 commits intocontainers:mainfrom
mtrmac merged 8 commits intocontainers:mainfrom
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Now manually tested; I have confirmed that This is ready for review. |
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… and, for the record, I have tested both the full PR and a variant without the last commit (testing the “fallback” image parsing implementation). |
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If the value is set to a zero-byte value, use it, instead of trying to look for a value again / elsewhere. This should not make a difference in practice, a zero-length manifest is invalid anyway; so it's just a conceptual cleanup / a microoptimization. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Should not change behavior. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Other parts of the code already assume that the value is always valid, so don't treat an empty value specially. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Always check for nil, not for len(0). Ensure that PutManifest always sets it to non-nil, so that valid call sequences (with an invalid empty manifest) don't show up as hard-to-explain invariant violations. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
We will add one more user. Should not change behavior. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
For now this is not really relevant, but we will want to enforce the correctness of those values in the future. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
For now, this only adds the API, nothing actually benefits from it yet. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Record DiffIDs early, so that we can commit partially-pulled layers immediately after staging them, and we don't have to wait for PutManifest. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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This is primarily motivated by preparing for the zstd:chunked logic, but potentially useful separately:
At this point absolutely untested.Cc: @giuseppe , filing early to allow a preliminary review in case I have missed anything important.