37 lines
1.5 KiB
Go
37 lines
1.5 KiB
Go
package daemon
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import (
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"io"
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"runtime"
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"github.com/docker/docker/image/tarexport"
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"github.com/docker/docker/pkg/system"
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)
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// ExportImage exports a list of images to the given output stream. The
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// exported images are archived into a tar when written to the output
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// stream. All images with the given tag and all versions containing
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// the same tag are exported. names is the set of tags to export, and
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// outStream is the writer which the images are written to.
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func (daemon *Daemon) ExportImage(names []string, outStream io.Writer) error {
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// TODO @jhowardmsft LCOW. This will need revisiting later.
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platform := runtime.GOOS
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if platform == "windows" && system.LCOWSupported() {
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platform = "linux"
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}
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imageExporter := tarexport.NewTarExporter(daemon.stores[platform].imageStore, daemon.stores[platform].layerStore, daemon.stores[platform].referenceStore, daemon)
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return imageExporter.Save(names, outStream)
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}
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// LoadImage uploads a set of images into the repository. This is the
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// complement of ImageExport. The input stream is an uncompressed tar
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// ball containing images and metadata.
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func (daemon *Daemon) LoadImage(inTar io.ReadCloser, outStream io.Writer, quiet bool) error {
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// TODO @jhowardmsft LCOW. This will need revisiting later.
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platform := runtime.GOOS
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if platform == "windows" && system.LCOWSupported() {
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platform = "linux"
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}
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imageExporter := tarexport.NewTarExporter(daemon.stores[platform].imageStore, daemon.stores[platform].layerStore, daemon.stores[platform].referenceStore, daemon)
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return imageExporter.Load(inTar, outStream, quiet)
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}
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