new file mode 100644

@@ -0,0 +1,74 @@

+package container

+

+import (

+	"context"

+	"fmt"

+	"strings"

+	"testing"

+	"time"

+

+	"github.com/docker/docker/api/types"

+	"github.com/docker/docker/api/types/container"

+	"github.com/docker/docker/api/types/network"

+	"github.com/docker/docker/client"

+	"github.com/docker/docker/integration/util/request"

+	"github.com/gotestyourself/gotestyourself/icmd"

+	"github.com/gotestyourself/gotestyourself/poll"

+	"github.com/gotestyourself/gotestyourself/skip"

+	"github.com/stretchr/testify/require"

+)

+

+func TestDeleteDevicemapper(t *testing.T) {

+	skip.IfCondition(t, testEnv.DaemonInfo.Driver != "devicemapper")

+

+	defer setupTest(t)()

+	client := request.NewAPIClient(t)

+	ctx := context.Background()

+

+	foo, err := client.ContainerCreate(ctx,

+		&container.Config{

+			Cmd:   []string{"echo"},

+			Image: "busybox",

+		},

+		&container.HostConfig{},

+		&network.NetworkingConfig{},

+		"foo",

+	)

+	require.NoError(t, err)

+

+	err = client.ContainerStart(ctx, foo.ID, types.ContainerStartOptions{})

+	require.NoError(t, err)

+

+	inspect, err := client.ContainerInspect(ctx, foo.ID)

+	require.NoError(t, err)

+

+	poll.WaitOn(t, containerIsStopped(ctx, client, foo.ID), poll.WithDelay(100*time.Millisecond))

+

+	deviceID := inspect.GraphDriver.Data["DeviceId"]

+

+	// Find pool name from device name

+	deviceName := inspect.GraphDriver.Data["DeviceName"]

+	devicePrefix := deviceName[:strings.LastIndex(deviceName, "-")]

+	devicePool := fmt.Sprintf("/dev/mapper/%s-pool", devicePrefix)

+

+	result := icmd.RunCommand("dmsetup", "message", devicePool, "0", fmt.Sprintf("delete %s", deviceID))

+	result.Assert(t, icmd.Success)

+

+	err = client.ContainerRemove(ctx, foo.ID, types.ContainerRemoveOptions{})

+	require.NoError(t, err)

+}

+

+func containerIsStopped(ctx context.Context, client client.APIClient, containerID string) func(log poll.LogT) poll.Result {

+	return func(log poll.LogT) poll.Result {

+		inspect, err := client.ContainerInspect(ctx, containerID)

+

+		switch {

+		case err != nil:

+			return poll.Error(err)

+		case !inspect.State.Running:

+			return poll.Success()

+		default:

+			return poll.Continue("waiting for container to be stopped")

+		}

+	}

+}