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Stop using legacy cache import/export in client #2982

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merged 3 commits into from
Aug 26, 2022

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jonnystoten
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Fixes #2974.

I've kept the server-side code for translating the legacy request for now so that this will continue to work with existing clients. We should be able to delete this once enough clients have been updated, perhaps in the following release?

I've also added some simple validation in the client for the ref attr on registry cache options, and some extra context around errors from the ResolveCacheExporterFuncs.

This also fixes the bug where registry cache options with a missing ref
would be silently discarded by the server-side component that turns the
legacy settings into the new settings.

Signed-off-by: Jonny Stoten <jonny.stoten@docker.com>
Signed-off-by: Jonny Stoten <jonny.stoten@docker.com>
Signed-off-by: Jonny Stoten <jonny.stoten@docker.com>
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@tonistiigi tonistiigi left a comment

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Could you also update the proto type to add indication that these fields have been removed. Eg. rename from "Deprecated" suffix to "Removed" or add comment.

@AkihiroSuda
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Could you also update the proto type to add indication that these fields have been removed. Eg. rename from "Deprecated" suffix to "Removed" or add comment.

Not "removed" yet (until vNextNext) ?

@tonistiigi
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@AkihiroSuda These were already deprecated in v0.4

@AkihiroSuda
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Yes, deprecated, but not removed and still in use by buildctl as of v0.10.x.

@tonistiigi
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Yes, deprecated, but not removed and still in use by buildctl as of v0.10.x.

Isn't it only used when buildctl v0.10 is talking with v0.3 daemon. I don't think we care about that case.

@AkihiroSuda
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Yes, deprecated, but not removed and still in use by buildctl as of v0.10.x.

Isn't it only used when buildctl v0.10 is talking with v0.3 daemon. I don't think we care about that case.

Doesn't seem so 😥

https://github.com/moby/buildkit/blob/v0.10.3/client/solve.go#L467-L475

@jonnystoten
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Yes, my thinking is that we remove that stuff from the client first (this PR) and then after the next release we can remove the daemon-side usage and rename to "Removed" suffix.

@tonistiigi tonistiigi merged commit 46c8b9e into moby:master Aug 26, 2022
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buildctl ignores/fails silently when ref is not specified in the export/import registry cache syntax
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