Match and Compare platforms with OSFeatures#20
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I proposed this as a cleaner solution to containerd/containerd#12784. Using the feature in the platform, the manifest selection logic can prefer an erofs manifest based on the availability of the snapshotter. |
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@dmcgowan I hope we could move forward for v2.3, but anything somewhat relating to OCI just s*cks.. |
Signed-off-by: Derek McGowan <derek@mcg.dev>
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Add-on to #16
This allows using the OSFeatures field for matching and comparing. To match, the checked platform's features must be a subset of the matcher's platforms. The matcher platform represents the supported features by the host and the checked platforms the platform needed for each image in an index or used to match a plugin instance.
This provides a way to add feature variation in a backwards compatible wherever platform matching is involved.