descriptor.md: add descriptions for the extended field #649
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AkihiroSuda
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Apr 24, 2017
descriptor.md
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| This OPTIONAL property contains arbitrary metadata for this descriptor. | ||
| This OPTIONAL property MUST use the [annotation rules](annotations.md#rules). | ||
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| Descriptors pointing to [`application/vnd.oci.image.manifest.v1+json`](manifest.md) SHOULD include the extended field `platform`, see [Image Index Property Descriptions](https://github.com/qianzhangxa/image-spec/blob/master/image-index.md#image-index-property-descriptions) for details. |
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The link target needs to be image-index.md#image-index-property-descriptions.
Also, if this is going to be merged, I think "This property (platform) SHOULD be present if its target is platform-specific." in image-index.md should be updated to "This property SHOULD be present"
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Thanks @AkihiroSuda. I have updated the code.
And I think we still need "if its target is platform-specific." in image-index.md since the manifest in a image index can be of other media type (not just application/vnd.oci.image.manifest.v1+json) in which case platform can be absent.
Signed-off-by: Qian Zhang <[email protected]>
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I guess this is fine, but we already have a SHOULD for this IIRC |
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On Tue, Apr 25, 2017 at 10:33:55AM -0700, v1.0.0.batts wrote:
I guess this is fine, but we already have a SHOULD for this IIRC
The existing SHOULD is in [1]. That SHOULD is tied to the descriptor
location (all descriptors in an index's ‘manifests’, regardless of
whether they link a manifest), while this SHOULD is tied to the
descriptor target (all descriptors linking a manifest, regardless of
whether the descriptor is in an index or not). So they're similar,
but not quite the same.
Personally, I think the SHOULD proposed here makes more sense if the
platform docs move over to descriptor.md (a Markdown version of #620),
and the current SHOULD makes more sense with the current spec (where
‘platform’ is unspecified outside of the index ‘manifests’ context).
I don't think we want the low-level descriptor.md referencing the very
high-level image-index.md to define descriptor properties.
[1]: https://github.com/opencontainers/image-spec/blame/a82c09852aba4978e3d16bb0cd583d5e2f4a63c9/image-index.md#L44
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LGTM |
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LGTM |
Merged
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Signed-off-by: Qian Zhang [email protected]