Allow setting the uid & gid of the io pipes

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

container_test.go

@@ -706,92 +706,6 @@ func TestContainerExecNoBinaryExists(t *testing.T) {
 	<-finishedC
 }
 
-func TestUserNamespaces(t *testing.T) {
-	t.Parallel()
-	t.Run("WritableRootFS", func(t *testing.T) { testUserNamespaces(t, false) })
-	// see #1373 and runc#1572
-	t.Run("ReadonlyRootFS", func(t *testing.T) { testUserNamespaces(t, true) })
-}
-
-func testUserNamespaces(t *testing.T, readonlyRootFS bool) {
-	client, err := newClient(t, address)
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer client.Close()
-
-	var (
-		image       Image
-		ctx, cancel = testContext()
-		id          = strings.Replace(t.Name(), "/", "-", -1)
-	)
-	defer cancel()
-
-	if runtime.GOOS != "windows" {
-		image, err = client.GetImage(ctx, testImage)
-		if err != nil {
-			t.Error(err)
-			return
-		}
-	}
-
-	opts := []NewContainerOpts{WithNewSpec(withImageConfig(image),
-		withExitStatus(7),
-		withUserNamespace(0, 1000, 10000),
-	)}
-	if readonlyRootFS {
-		opts = append(opts, withRemappedSnapshotView(id, image, 1000, 1000))
-	} else {
-		opts = append(opts, withRemappedSnapshot(id, image, 1000, 1000))
-	}
-
-	container, err := client.NewContainer(ctx, id, opts...)
-	if err != nil {
-		t.Error(err)
-		return
-	}
-	defer container.Delete(ctx, WithSnapshotCleanup)
-
-	task, err := container.NewTask(ctx, empty())
-	if err != nil {
-		t.Error(err)
-		return
-	}
-	defer task.Delete(ctx)
-
-	statusC, err := task.Wait(ctx)
-	if err != nil {
-		t.Error(err)
-		return
-	}
-
-	if pid := task.Pid(); pid <= 0 {
-		t.Errorf("invalid task pid %d", pid)
-	}
-	if err := task.Start(ctx); err != nil {
-		t.Error(err)
-		task.Delete(ctx)
-		return
-	}
-	status := <-statusC
-	code, _, err := status.Result()
-	if err != nil {
-		t.Error(err)
-		return
-	}
-	if code != 7 {
-		t.Errorf("expected status 7 from wait but received %d", code)
-	}
-	deleteStatus, err := task.Delete(ctx)
-	if err != nil {
-		t.Error(err)
-		return
-	}
-	if ec := deleteStatus.ExitCode(); ec != 7 {
-		t.Errorf("expected status 7 from delete but received %d", ec)
-	}
-}
-
 func TestWaitStoppedTask(t *testing.T) {
 	t.Parallel()