Пример #1
0
// Test an image with 1 dep. The upper image overrides a dir provided by a
// parent with a non-dir file.
func TestFileOvverideDir(t *testing.T) {
	dir, err := ioutil.TempDir("", tstprefix)
	if err != nil {
		t.Fatalf("error creating tempdir: %v", err)
	}
	defer os.RemoveAll(dir)
	ds := NewTestStore()

	imj := `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.1.1",
		    "name": "example.com/test01"
		}
	`

	entries := []*testTarEntry{
		{
			contents: imj,
			header: &tar.Header{
				Name: "manifest",
				Size: int64(len(imj)),
			},
		},
		{
			header: &tar.Header{
				Name:     "rootfs/a/b",
				Typeflag: tar.TypeDir,
				Mode:     0700,
			},
		},
		{
			header: &tar.Header{
				Name:     "rootfs/a/b/c",
				Typeflag: tar.TypeDir,
				Mode:     0700,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/b/c/file01",
				Size: 5,
			},
		},
	}

	key1, err := newTestACI(entries, dir, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	im, err := createImageManifest(imj)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	image1 := Image{Im: im, Key: key1, Level: 1}

	imj = `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.1.1",
		    "name": "example.com/test02"
		}
	`

	k1, _ := types.NewHash(key1)
	imj, err = addDependencies(imj,
		types.Dependency{
			ImageName: "example.com/test01",
			ImageID:   k1},
	)

	entries = []*testTarEntry{
		{
			contents: imj,
			header: &tar.Header{
				Name: "manifest",
				Size: int64(len(imj)),
			},
		},
		{
			contents: "hellohello",
			header: &tar.Header{
				Name: "rootfs/a/b",
				Size: 10,
			},
		},
	}

	expectedFiles := []*fileInfo{
		&fileInfo{path: "manifest", typeflag: tar.TypeReg},
		&fileInfo{path: "rootfs/a/b", typeflag: tar.TypeReg, size: 10},
	}

	key2, err := newTestACI(entries, dir, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	im, err = createImageManifest(imj)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	image2 := Image{Im: im, Key: key2, Level: 0}

	images := Images{image2, image1}
	err = checkRenderACIFromList(images, expectedFiles, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	err = checkRenderACI("example.com/test02", expectedFiles, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}
Пример #2
0
// Test an image with 1 dep. The parent image has a pathWhiteList.
func TestPWLOnlyParent(t *testing.T) {
	dir, err := ioutil.TempDir("", tstprefix)
	if err != nil {
		t.Fatalf("error creating tempdir: %v", err)
	}
	defer os.RemoveAll(dir)
	ds := NewTestStore()

	imj := `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.1.1",
		    "name": "example.com/test01",
		    "pathWhitelist" : [ "/a/file01.txt", "/a/file02.txt", "/b/link01.txt", "/c/", "/d/" ]
		}
	`

	entries := []*testTarEntry{
		{
			contents: imj,
			header: &tar.Header{
				Name: "manifest",
				Size: int64(len(imj)),
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/file01.txt",
				Size: 5,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/file02.txt",
				Size: 5,
			},
		},
		// This should not appear in rendered aci
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/file03.txt",
				Size: 5,
			},
		},
		{
			header: &tar.Header{
				Name:     "rootfs/b/link01.txt",
				Linkname: "file01.txt",
				Typeflag: tar.TypeSymlink,
			},
		},
		// The file "rootfs/c/file01.txt" should not appear but a new file "rootfs/c/file02.txt" provided by the upper image should appear.
		// The directory should be left with its permissions
		{
			header: &tar.Header{
				Name:     "rootfs/c",
				Typeflag: tar.TypeDir,
				Mode:     0700,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/c/file01.txt",
				Size: 5,
				Mode: 0700,
			},
		},
		// The file "rootfs/d/file01.txt" should not appear but the directory should be left and also its permissions
		{
			header: &tar.Header{
				Name:     "rootfs/d",
				Typeflag: tar.TypeDir,
				Mode:     0700,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/d/file01.txt",
				Size: 5,
				Mode: 0700,
			},
		},
		// The file and the directory should not appear
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/e/file01.txt",
				Size: 5,
				Mode: 0700,
			},
		},
	}

	key1, err := newTestACI(entries, dir, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	im, err := createImageManifest(imj)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	image1 := Image{Im: im, Key: key1, Level: 1}

	imj = `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.1.1",
		    "name": "example.com/test02"
		}
	`

	k1, _ := types.NewHash(key1)
	imj, err = addDependencies(imj,
		types.Dependency{
			ImageName: "example.com/test01",
			ImageID:   k1},
	)

	entries = []*testTarEntry{
		{
			contents: imj,
			header: &tar.Header{
				Name: "manifest",
				Size: int64(len(imj)),
			},
		},
		{
			contents: "hellohello",
			header: &tar.Header{
				Name: "rootfs/b/file01.txt",
				Size: 10,
			},
		},
		// New file
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/c/file02.txt",
				Size: 5,
			},
		},
	}

	expectedFiles := []*fileInfo{
		&fileInfo{path: "manifest", typeflag: tar.TypeReg},
		&fileInfo{path: "rootfs/a/file01.txt", typeflag: tar.TypeReg, size: 5},
		&fileInfo{path: "rootfs/a/file02.txt", typeflag: tar.TypeReg, size: 5},
		&fileInfo{path: "rootfs/b/link01.txt", typeflag: tar.TypeSymlink},
		&fileInfo{path: "rootfs/b/file01.txt", typeflag: tar.TypeReg, size: 10},
		&fileInfo{path: "rootfs/c", typeflag: tar.TypeDir, mode: 0700},
		&fileInfo{path: "rootfs/c/file02.txt", typeflag: tar.TypeReg, size: 5},
		&fileInfo{path: "rootfs/d", typeflag: tar.TypeDir, mode: 0700},
	}

	key2, err := newTestACI(entries, dir, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	im, err = createImageManifest(imj)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	image2 := Image{Im: im, Key: key2, Level: 0}

	images := Images{image2, image1}
	err = checkRenderACIFromList(images, expectedFiles, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	err = checkRenderACI("example.com/test02", expectedFiles, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}
Пример #3
0
// Test A (pwl) ---- B
//               \-- C -- D
func Test3Deps(t *testing.T) {
	dir, err := ioutil.TempDir("", tstprefix)
	if err != nil {
		t.Fatalf("error creating tempdir: %v", err)
	}
	defer os.RemoveAll(dir)
	ds := NewTestStore()

	// B
	imj := `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.1.1",
		    "name": "example.com/test01"
		}
	`

	entries := []*testTarEntry{
		{
			contents: imj,
			header: &tar.Header{
				Name: "manifest",
				Size: int64(len(imj)),
			},
		},
		// It should be overridden by the one provided by the upper image
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/file01.txt",
				Size: 5,
			},
		},
		// It should be overridden by the one provided by the next dep
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/file02.txt",
				Size: 5,
			},
		},
		// It should remain like this
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/file03.txt",
				Size: 5,
			},
		},
		// It should not appear in rendered aci
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/file04.txt",
				Size: 5,
			},
		},
		{
			header: &tar.Header{
				Name:     "rootfs/b/link01.txt",
				Linkname: "file01.txt",
				Typeflag: tar.TypeSymlink,
			},
		},
	}

	key1, err := newTestACI(entries, dir, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	im, err := createImageManifest(imj)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	image1 := Image{Im: im, Key: key1, Level: 1}

	// D
	imj = `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.1.1",
		    "name": "example.com/test03"
		}
	`

	entries = []*testTarEntry{
		{
			contents: imj,
			header: &tar.Header{
				Name: "manifest",
				Size: int64(len(imj)),
			},
		},
		// It should be overridden by the one provided by the upper image
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/a/file02.txt",
				Size: 5,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/b/file01.txt",
				Size: 5,
			},
		},
		// It should not appear in rendered aci
		{
			header: &tar.Header{
				Name:     "rootfs/d",
				Typeflag: tar.TypeDir,
				Mode:     0700,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/d/file01.txt",
				Size: 5,
				Mode: 0700,
			},
		},
	}

	key2, err := newTestACI(entries, dir, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	im, err = createImageManifest(imj)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	image2 := Image{Im: im, Key: key2, Level: 2}

	// C
	imj = `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.1.1",
		    "name": "example.com/test02"
		}
	`
	k2, _ := types.NewHash(key2)
	imj, err = addDependencies(imj,
		types.Dependency{
			ImageName: "example.com/test03",
			ImageID:   k2},
	)

	entries = []*testTarEntry{
		{
			contents: imj,
			header: &tar.Header{
				Name: "manifest",
				Size: int64(len(imj)),
			},
		},
		// It should be overridden by the one provided by the upper image
		{
			contents: "hellohello",
			header: &tar.Header{
				Name: "rootfs/a/file01.txt",
				Size: 10,
			},
		},
		{
			contents: "hellohello",
			header: &tar.Header{
				Name: "rootfs/a/file02.txt",
				Size: 10,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/b/file01.txt",
				Size: 5,
			},
		},
	}

	key3, err := newTestACI(entries, dir, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	im, err = createImageManifest(imj)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	image3 := Image{Im: im, Key: key3, Level: 1}

	// A
	imj = `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.1.1",
		    "name": "example.com/test04",
		    "pathWhitelist" : [ "/a/file01.txt", "/a/file02.txt", "/a/file03.txt", "/b/link01.txt", "/b/file01.txt", "/b/file02.txt", "/c/file01.txt" ]
		}
	`

	k1, _ := types.NewHash(key1)
	k3, _ := types.NewHash(key3)
	imj, err = addDependencies(imj,
		types.Dependency{
			ImageName: "example.com/test01",
			ImageID:   k1},
		types.Dependency{
			ImageName: "example.com/test02",
			ImageID:   k3},
	)

	entries = []*testTarEntry{
		{
			contents: imj,
			header: &tar.Header{
				Name: "manifest",
				Size: int64(len(imj)),
			},
		},
		// Overridden
		{
			contents: "hellohellohello",
			header: &tar.Header{
				Name: "rootfs/a/file01.txt",
				Size: 15,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/b/file02.txt",
				Size: 5,
			},
		},
		{
			contents: "hello",
			header: &tar.Header{
				Name: "rootfs/c/file01.txt",
				Size: 5,
			},
		},
	}

	key4, err := newTestACI(entries, dir, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	im, err = createImageManifest(imj)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	image4 := Image{Im: im, Key: key4, Level: 0}

	expectedFiles := []*fileInfo{
		&fileInfo{path: "manifest", typeflag: tar.TypeReg},
		&fileInfo{path: "rootfs/a/file01.txt", typeflag: tar.TypeReg, size: 15},
		&fileInfo{path: "rootfs/a/file02.txt", typeflag: tar.TypeReg, size: 10},
		&fileInfo{path: "rootfs/a/file03.txt", typeflag: tar.TypeReg, size: 5},
		&fileInfo{path: "rootfs/b/link01.txt", typeflag: tar.TypeSymlink},
		&fileInfo{path: "rootfs/b/file01.txt", typeflag: tar.TypeReg, size: 5},
		&fileInfo{path: "rootfs/b/file02.txt", typeflag: tar.TypeReg, size: 5},
		&fileInfo{path: "rootfs/c/file01.txt", typeflag: tar.TypeReg, size: 5},
	}

	images := Images{image4, image3, image2, image1}
	err = checkRenderACIFromList(images, expectedFiles, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	err = checkRenderACI("example.com/test04", expectedFiles, ds)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}