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Nydusify: ignore arch for single manifest #359

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merged 1 commit into from
Apr 6, 2022

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imeoer
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@imeoer imeoer commented Mar 30, 2022

For a single manifest image, we just ignore the arch, so that allowing
to do a default conversion on a different arch's host, for example
converting an arm64 image on an amd64 host.

Signed-off-by: Yan Song [email protected]

@imeoer imeoer changed the title [WIP] Nydusify: fix arm platform support for single manifest Nydusify: ignore arch for single manifest Apr 1, 2022
@@ -118,7 +118,7 @@ func (parser *Parser) pullIndex(ctx context.Context, desc *ocispec.Descriptor) (
}

func (parser *Parser) parseImage(
ctx context.Context, desc *ocispec.Descriptor, onlyManifest *ocispec.Manifest,
ctx context.Context, desc *ocispec.Descriptor, onlyManifest *ocispec.Manifest, ignoreArch bool,
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There is no way for nydusify to specify ignoreArch?

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How is it going to be used? Please add an example in the docs.

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@imeoer imeoer Apr 6, 2022

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Updated comment. No way to specify. For a single manifest image, it's an automatic behavior to ignore the image arch for ease of use, attempt to continue converting, and give a warning message. For the manifest list, nydusify selects host specified arch to convert, but the user still can specify an interesting platform (by --platform), the ultimate goal is that nydusify/nydus-image can convert any arch's image on any arch's host.

For a single manifest image, we just ignore the arch, so that allowing
to do a default conversion on a different arch's host, for example
converting an arm64 image on an amd64 host.

Signed-off-by: Yan Song <[email protected]>
}

// Just give user a simple hint telling option was ignored.
if config.Architecture != parser.interestedArch {
return nil, errors.Errorf("Specified %s architecture was not found", parser.interestedArch)
err = errors.Errorf("Found arch %s, but the specified target arch (--platform) is %s", config.Architecture, parser.interestedArch)
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Should this be move into else{} branch?

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The same error message should be returned if no ignoreArch.

@bergwolf bergwolf merged commit a0ba196 into dragonflyoss:master Apr 6, 2022
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4 participants