CRI integration test for Windows Device mounts

This test takes advantage of the fact that when you tell Windows to
mount the GUID_DEVINTERFACE_DISPLAY_ADAPTER class, it will also mount
the host's device store into the container, even if there is no real GPU
on the host.

Signed-off-by: Paul "TBBle" Hampson <Paul.Hampson@Pobox.com>

integration/main_test.go

@@ -297,6 +297,15 @@ func WithSupplementalGroups(gids []int64) ContainerOpts { //nolint:unused
 	}
 }
 
+// WithDevice adds a device mount.
+func WithDevice(containerPath, hostPath, permissions string) ContainerOpts { //nolint:unused
+	return func(c *runtime.ContainerConfig) {
+		c.Devices = append(c.Devices, &runtime.Device{
+			ContainerPath: containerPath, HostPath: hostPath, Permissions: permissions,
+		})
+	}
+}
+
 // ContainerConfig creates a container config given a name and image name
 // and additional container config options
 func ContainerConfig(name, image string, opts ...ContainerOpts) *runtime.ContainerConfig {

integration/windows_device_test.go

@@ -0,0 +1,90 @@
+//go:build windows
+// +build windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package integration
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
+)
+
+func TestWindowsDevice(t *testing.T) {
+	testPodLogDir := t.TempDir()
+
+	t.Log("Create a sandbox with log directory")
+	sb, sbConfig := PodSandboxConfigWithCleanup(t, "sandbox", "windows-device",
+		WithPodLogDirectory(testPodLogDir),
+	)
+
+	var (
+		// TODO: An image with the device-dumper
+		testImage     = GetImage(BusyBox)
+		containerName = "test-container"
+	)
+
+	const (
+		// Mount this device class to expose host-GPU-accelerated DirectX inside the container
+		// https://techcommunity.microsoft.com/t5/containers/bringing-gpu-acceleration-to-windows-containers/ba-p/393939
+		GUID_DEVINTERFACE_DISPLAY_ADAPTER = "5B45201D-F2F2-4F3B-85BB-30FF1F953599" //nolint:revive
+	)
+
+	EnsureImageExists(t, testImage)
+
+	t.Log("Create a container to run the device test")
+	cnConfig := ContainerConfig(
+		containerName,
+		testImage,
+		// Per C:\windows\System32\containers\devices.def, enabling GUID_DEVINTERFACE_DISPLAY_ADAPTER
+		// will mount the host driver store into the container at this location.
+		WithCommand("sh", "-c", "ls -d /Windows/System32/HostDriverStore/* | grep /Windows/System32/HostDriverStore/FileRepository"),
+		WithLogPath(containerName),
+		WithDevice("", "class/"+GUID_DEVINTERFACE_DISPLAY_ADAPTER, ""),
+	)
+	cn, err := runtimeService.CreateContainer(sb, cnConfig, sbConfig)
+	require.NoError(t, err)
+
+	t.Log("Start the container")
+	require.NoError(t, runtimeService.StartContainer(cn))
+
+	t.Log("Wait for container to finish running")
+	require.NoError(t, Eventually(func() (bool, error) {
+		s, err := runtimeService.ContainerStatus(cn)
+		if err != nil {
+			return false, err
+		}
+		if s.GetState() == runtime.ContainerState_CONTAINER_EXITED {
+			return true, nil
+		}
+		return false, nil
+	}, time.Second, 30*time.Second))
+
+	t.Log("Check container log")
+	content, err := os.ReadFile(filepath.Join(testPodLogDir, containerName))
+	assert.NoError(t, err)
+	checkContainerLog(t, string(content), []string{
+		fmt.Sprintf("%s %s %s", runtime.Stdout, runtime.LogTagFull, "/Windows/System32/HostDriverStore/FileRepository"),
+	})
+}