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history: fix empty Exporters attribute #5017

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merged 1 commit into from
Jun 11, 2024

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crazy-max
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@crazy-max crazy-max commented Jun 11, 2024

Since multiple exporters support #4134 in BuildKit 0.13, Record.Exporters is not set anymore.

This is related to the Type and Attrs fields not being set in the llbsolver.ExporterRequest: https://github.com/moby/buildkit/pull/4134/files#diff-0397d42d692ad676389ccf4b5a1126a3976ef69d4342b8423a6bbb51d21a9181L458-L459

But this is used when we want to set the Exporters for the build history:

if exp.Type != "" {

To fix this, I have updated the exporter.ExporterInstance interface to expose attributes and name of the exporter. Also removes Type and Attrs fields ExporterRequest that don't seem used anymore.

@jedevc
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jedevc commented Jun 11, 2024

Ahhh nice catch! Looks like I got the results correctly added to the history record, but for some reason didn't think to get the right exporters attr.

Thanks! 🙏 🎉

@@ -187,6 +190,14 @@ func (e *imageExporterInstance) ID() int {
}

func (e *imageExporterInstance) Name() string {
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Maybe Type() would be better?

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@jedevc jedevc Jun 11, 2024

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Potentially - note this also mirrors the structures of the cache exporter here.

Type and Name SGTM - then we keep the old field.

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
@@ -22,6 +22,8 @@ type ExporterInstance interface {
ID() int
Name() string
Config() *Config
Type() string
Attrs() map[string]string
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(possible follow-up) Maybe the Attrs and Config() can be combined somehow in the future. Atm not obvious why there are two similar sounding things.

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I think maybe a better approach is to change the solver.ExporterRequest to keep array of objects that keep type/attrs instead of raw ExporterInstance. Like it was previously with the keys that are now removed.

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@tonistiigi tonistiigi left a comment

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Let's get this in as seems functionally correct. #5017 (comment) to be addressed in follow-up

@tonistiigi tonistiigi merged commit 4d9a4e5 into moby:master Jun 11, 2024
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@crazy-max crazy-max deleted the fix-history-exporters branch June 11, 2024 16:37
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3 participants