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package wclayer
import (
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
)
// CreateScratchLayer creates and populates new read-write layer for use by a container.
// This requires both the id of the direct parent layer, as well as the full list
// of paths to all parent layers up to the base (and including the direct parent
// whose id was provided).
func CreateScratchLayer(path string, parentLayerPaths []string) error {
title := "hcsshim::CreateScratchLayer "
logrus.Debugf(title+"path %s", path)
// Generate layer descriptors
layers, err := layerPathsToDescriptors(parentLayerPaths)
if err != nil {
return err
}
err = createSandboxLayer(&stdDriverInfo, path, 0, layers)
if err != nil {
err = hcserror.Errorf(err, title, "path=%s", path)
logrus.Error(err)
return err
}
logrus.Debugf(title+"- succeeded path=%s", path)
return nil
}
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