vendor: initial vendor

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/Microsoft/hcsshim/internal/hcs/log.go

@@ -0,0 +1,20 @@
+package hcs
+
+import "github.com/sirupsen/logrus"
+
+func logOperationBegin(ctx logrus.Fields, msg string) {
+	logrus.WithFields(ctx).Debug(msg)
+}
+
+func logOperationEnd(ctx logrus.Fields, msg string, err error) {
+	// Copy the log and fields first.
+	log := logrus.WithFields(ctx)
+	if err == nil {
+		log.Debug(msg)
+	} else {
+		// Edit only the copied field data to avoid race conditions on the
+		// write.
+		log.Data[logrus.ErrorKey] = err
+		log.Error(msg)
+	}
+}