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importlayer.go
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importlayer.go
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package hcsshim
import "github.com/Sirupsen/logrus"
// ImportLayer will take the contents of the folder at importFolderPath and import
// that into a layer with the id layerId. Note that in order to correctly populate
// the layer and interperet the transport format, all parent layers must already
// be present on the system at the paths provided in parentLayerPaths.
func ImportLayer(info DriverInfo, layerId string, importFolderPath string, parentLayerPaths []string) error {
title := "hcsshim::ImportLayer "
logrus.Debugf(title+"flavour %d layerId %s folder %s", info.Flavour, layerId, importFolderPath)
// Generate layer descriptors
layers, err := layerPathsToDescriptors(parentLayerPaths)
if err != nil {
return err
}
// Convert info to API calling convention
infop, err := convertDriverInfo(info)
if err != nil {
logrus.Error(err)
return err
}
err = importLayer(&infop, layerId, importFolderPath, layers)
if err != nil {
err = makeErrorf(err, title, "layerId=%s flavour=%d folder=%s", layerId, info.Flavour, importFolderPath)
logrus.Error(err)
return err
}
logrus.Debugf(title+"succeeded flavour=%d layerId=%s folder=%s", info.Flavour, layerId, importFolderPath)
return nil
}