Revendor github.com/Microsoft/hcsshim v0.8.4

Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>

vendor/github.com/Microsoft/hcsshim/internal/wclayer/exportlayer.go

@@ -14,9 +14,21 @@ import (
 // format includes any metadata required for later importing the layer (using
 // ImportLayer), and requires the full list of parent layer paths in order to
 // perform the export.
-func ExportLayer(path string, exportFolderPath string, parentLayerPaths []string) error {
-	title := "hcsshim::ExportLayer "
-	logrus.Debugf(title+"path %s folder %s", path, exportFolderPath)
+func ExportLayer(path string, exportFolderPath string, parentLayerPaths []string) (err error) {
+	title := "hcsshim::ExportLayer"
+	fields := logrus.Fields{
+		"path":             path,
+		"exportFolderPath": exportFolderPath,
+	}
+	logrus.WithFields(fields).Debug(title)
+	defer func() {
+		if err != nil {
+			fields[logrus.ErrorKey] = err
+			logrus.WithFields(fields).Error(err)
+		} else {
+			logrus.WithFields(fields).Debug(title + " - succeeded")
+		}
+	}()
 
 	// Generate layer descriptors
 	layers, err := layerPathsToDescriptors(parentLayerPaths)
@@ -26,12 +38,8 @@ func ExportLayer(path string, exportFolderPath string, parentLayerPaths []string
 
 	err = exportLayer(&stdDriverInfo, path, exportFolderPath, layers)
 	if err != nil {
-		err = hcserror.Errorf(err, title, "path=%s folder=%s", path, exportFolderPath)
-		logrus.Error(err)
-		return err
+		return hcserror.New(err, title+" - failed", "")
 	}
-
-	logrus.Debugf(title+"succeeded path=%s folder=%s", path, exportFolderPath)
 	return nil
 }