37 lines
1.2 KiB
Go
37 lines
1.2 KiB
Go
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package archive
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import (
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"github.com/Sirupsen/logrus"
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"github.com/containers/image/docker/tarfile"
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"github.com/containers/image/types"
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)
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type archiveImageSource struct {
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*tarfile.Source // Implements most of types.ImageSource
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ref archiveReference
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}
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// newImageSource returns a types.ImageSource for the specified image reference.
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// The caller must call .Close() on the returned ImageSource.
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func newImageSource(ctx *types.SystemContext, ref archiveReference) types.ImageSource {
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if ref.destinationRef != nil {
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logrus.Warnf("docker-archive: references are not supported for sources (ignoring)")
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}
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src := tarfile.NewSource(ref.path)
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return &archiveImageSource{
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Source: src,
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ref: ref,
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}
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}
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// Reference returns the reference used to set up this source, _as specified by the user_
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// (not as the image itself, or its underlying storage, claims). This can be used e.g. to determine which public keys are trusted for this image.
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func (s *archiveImageSource) Reference() types.ImageReference {
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return s.ref
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}
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// Close removes resources associated with an initialized ImageSource, if any.
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func (s *archiveImageSource) Close() error {
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return nil
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}
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