Windows: Updates Windows Vendoring

Updates windows dependent libraries for vendoing.

vendor/github.com/Microsoft/hcsshim/internal/lcow/tar2vhd.go

@@ -0,0 +1,46 @@
+package lcow
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"time"
+
+	"github.com/Microsoft/hcsshim/internal/uvm"
+	specs "github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/sirupsen/logrus"
+)
+
+// TarToVhd streams a tarstream contained in an io.Reader to a fixed vhd file
+func TarToVhd(lcowUVM *uvm.UtilityVM, targetVHDFile string, reader io.Reader) (int64, error) {
+	logrus.Debugf("hcsshim: TarToVhd: %s", targetVHDFile)
+
+	if lcowUVM == nil {
+		return 0, fmt.Errorf("no utility VM passed")
+	}
+
+	//defer uvm.DebugLCOWGCS()
+
+	outFile, err := os.Create(targetVHDFile)
+	if err != nil {
+		return 0, fmt.Errorf("tar2vhd failed to create %s: %s", targetVHDFile, err)
+	}
+	defer outFile.Close()
+	// BUGBUG Delete the file on failure
+
+	tar2vhd, byteCounts, err := CreateProcess(&ProcessOptions{
+		HCSSystem:         lcowUVM.ComputeSystem(),
+		Process:           &specs.Process{Args: []string{"tar2vhd"}},
+		CreateInUtilityVm: true,
+		Stdin:             reader,
+		Stdout:            outFile,
+		CopyTimeout:       2 * time.Minute,
+	})
+	if err != nil {
+		return 0, fmt.Errorf("failed to start tar2vhd for %s: %s", targetVHDFile, err)
+	}
+	defer tar2vhd.Close()
+
+	logrus.Debugf("hcsshim: TarToVhd: %s created, %d bytes", targetVHDFile, byteCounts.Out)
+	return byteCounts.Out, err
+}