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41 lines
1.1 KiB
41 lines
1.1 KiB
package computestorage
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import (
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"context"
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"encoding/json"
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"github.com/Microsoft/hcsshim/internal/oc"
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"github.com/pkg/errors"
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"go.opencensus.io/trace"
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)
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// ImportLayer imports a container layer.
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//
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// `layerPath` is a path to a directory to import the layer to. If the directory
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// does not exist it will be automatically created.
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//
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// `sourceFolderpath` is a pre-existing folder that contains the layer to
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// import.
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//
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// `layerData` is the parent layer data.
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func ImportLayer(ctx context.Context, layerPath, sourceFolderPath string, layerData LayerData) (err error) {
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title := "hcsshim.ImportLayer"
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ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
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defer span.End()
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defer func() { oc.SetSpanStatus(span, err) }()
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span.AddAttributes(
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trace.StringAttribute("layerPath", layerPath),
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trace.StringAttribute("sourceFolderPath", sourceFolderPath),
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)
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bytes, err := json.Marshal(layerData)
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if err != nil {
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return err
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}
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err = hcsImportLayer(layerPath, sourceFolderPath, string(bytes))
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if err != nil {
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return errors.Wrap(err, "failed to import layer")
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}
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return nil
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}
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