Golang Store.WriteACI Examples

Example #1

File: tree_test.go Project: nhlfr/rkt

// TODO(sgotti) when the TreeStore will use an interface, change it to a
// test implementation without relying on store/imagestore
func testStoreWriteACI(dir string, s *imagestore.Store) (string, error) {
	imj := `
		{
		    "acKind": "ImageManifest",
		    "acVersion": "0.8.8",
		    "name": "example.com/test01"
		}
	`

	entries := []*aci.ACIEntry{
		// An empty dir
		{
			Header: &tar.Header{
				Name:     "rootfs/a",
				Typeflag: tar.TypeDir,
			},
		},
		{
			Contents: "hello",
			Header: &tar.Header{
				Name: "hello.txt",
				Size: 5,
			},
		},
		{
			Header: &tar.Header{
				Name:     "rootfs/link.txt",
				Linkname: "rootfs/hello.txt",
				Typeflag: tar.TypeSymlink,
			},
		},
		// dangling symlink
		{
			Header: &tar.Header{
				Name:     "rootfs/link2.txt",
				Linkname: "rootfs/missingfile.txt",
				Typeflag: tar.TypeSymlink,
			},
		},
		{
			Header: &tar.Header{
				Name:     "rootfs/fifo",
				Typeflag: tar.TypeFifo,
			},
		},
	}
	aci, err := aci.NewACI(dir, imj, entries)
	if err != nil {
		return "", err
	}
	defer aci.Close()

	// Rewind the ACI
	if _, err := aci.Seek(0, 0); err != nil {
		return "", err
	}

	// Import the new ACI
	key, err := s.WriteACI(aci, imagestore.ACIFetchInfo{Latest: false})
	if err != nil {
		return "", err
	}
	return key, nil
}