Windows: Updates Windows Vendoring

Updates windows dependent libraries for vendoing.

vendor/github.com/Microsoft/hcsshim/test/functional/utilities/scratch.go

@@ -0,0 +1,59 @@
+package testutilities
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/Microsoft/hcsshim/internal/hcs"
+	"github.com/Microsoft/hcsshim/internal/lcow"
+	"github.com/Microsoft/hcsshim/internal/uvm"
+	"github.com/Microsoft/hcsshim/internal/wclayer"
+)
+
+const lcowGlobalSVMID = "test.lcowglobalsvm"
+
+var (
+	lcowGlobalSVM        *uvm.UtilityVM
+	lcowCacheScratchFile string
+)
+
+func init() {
+	if hcsSystem, err := hcs.OpenComputeSystem(lcowGlobalSVMID); err == nil {
+		hcsSystem.Terminate()
+	}
+}
+
+// CreateWCOWBlankRWLayer uses HCS to create a temp test directory containing a
+// read-write layer containing a disk that can be used as a containers scratch
+// space. The VHD is created with VM group access
+// TODO: This is wrong. Need to search the folders.
+func CreateWCOWBlankRWLayer(t *testing.T, imageLayers []string) string {
+
+	//	uvmFolder, err := LocateUVMFolder(imageLayers)
+	//	if err != nil {
+	//		t.Fatalf("failed to locate UVM folder from %+v: %s", imageLayers, err)
+	//	}
+
+	tempDir := CreateTempDir(t)
+	if err := wclayer.CreateScratchLayer(tempDir, imageLayers); err != nil {
+		t.Fatalf("Failed CreateScratchLayer: %s", err)
+	}
+	return tempDir
+}
+
+// CreateLCOWBlankRWLayer uses an LCOW utility VM to create a blank
+// VHDX and format it ext4. If vmID is supplied, it grants access to the
+// destination file. This can then be used as a scratch space for a container,
+// or for a "service VM".
+func CreateLCOWBlankRWLayer(t *testing.T, vmID string) string {
+	if lcowGlobalSVM == nil {
+		lcowGlobalSVM = CreateLCOWUVM(t, lcowGlobalSVMID)
+		lcowCacheScratchFile = filepath.Join(CreateTempDir(t), "sandbox.vhdx")
+	}
+	tempDir := CreateTempDir(t)
+
+	if err := lcow.CreateScratch(lcowGlobalSVM, filepath.Join(tempDir, "sandbox.vhdx"), lcow.DefaultScratchSizeGB, lcowCacheScratchFile, vmID); err != nil {
+		t.Fatalf("failed to create EXT4 scratch for LCOW test cases: %s", err)
+	}
+	return tempDir
+}