Method PersistentOverlay

e2e/actions/actions.go:820–1013

(t *testing.T)

}

func (c actionTests) PersistentOverlay(t *testing.T) {
	e2e.EnsureImage(t, c.env)

	require.Filesystem(t, "overlay")

	require.Command(t, "mkfs.ext3")
	require.Command(t, "mksquashfs")
	require.Command(t, "dd")

	// the order should not be changed, it'll cause permission denied error. RootProfile will create
	// overlay folder with the permission other users can not access.
	profiles := []e2e.Profile{e2e.UserProfile, e2e.UserNamespaceProfile, e2e.RootProfile}

	// create the test dir
	testdir, err := os.MkdirTemp(c.env.TestDir, "persitent-overlay-")
	if err != nil {
		t.Fatal(err)
	}

	defer e2e.Privileged(func(t *testing.T) {
		if t.Failed() {
			t.Logf("Not removing directory %s for test %s", testdir, t.Name())
			return
		}
		err := os.RemoveAll(testdir)
		if err != nil {
			t.Logf("Error while removing directory %s for test %s: %#v", testdir, t.Name(), err)
		}
	})(t)

	dir := filepath.Join(testdir, "overlay-dir")
	ext3Img := filepath.Join(testdir, "ext3_fs.img")
	squashfsImage := c.squashfsCreate(t, testdir)
	sandboxImage := c.sandboxCreate(t, testdir)
	embeddedSif := c.embeddedSifCreate(t, testdir)

	tests := []struct {
		name     string
		argv     []string
		fakeroot bool
		exit     int
		dir      string
	}{
		{
			name:     "overlay_create",
			argv:     []string{"--overlay", dir, c.env.ImagePath, "touch", "/dir_overlay"},
			fakeroot: true,
			exit:     0,
		},
		{
			name:     "overlay_ext3_create",
			argv:     []string{"--overlay", ext3Img, c.env.ImagePath, "touch", "/ext3_overlay"},
			fakeroot: true,
			exit:     0,
		},
		{
			name:     "overlay_multiple_create",
			argv:     []string{"--overlay", ext3Img, "--overlay", squashfsImage + ":ro", c.env.ImagePath, "touch", "/multiple_overlay_fs"},