Function NewFinalizer

src/java/finalize/finalize.go:40–68

NewFinalizer creates a Finalizer by reading the config.yml written by the supply phase. This follows the pattern established by go-buildpack and dotnet-core-buildpack.

(stager common.Stager, manifest common.Manifest,
	installer common.Installer, logger *libbuildpack.Logger,
	command common.Command)

// NewFinalizer creates a Finalizer by reading the config.yml written by the supply phase.
// This follows the pattern established by go-buildpack and dotnet-core-buildpack.
func NewFinalizer(stager common.Stager, manifest common.Manifest,
	installer common.Installer, logger *libbuildpack.Logger,
	command common.Command) (*Finalizer, error) {

	raw := struct {
		Config SupplyConfig `yaml:"config"`
	}{}
	if err := libbuildpack.NewYAML().Load(filepath.Join(stager.DepDir(), "config.yml"), &raw); err != nil {
		logger.Error("Unable to read supply phase config.yml: %s", err)
		return nil, err
	}

	cfg := raw.Config
	if cfg.Container == "" || cfg.JRE == "" {
		return nil, fmt.Errorf("config.yml is missing required keys: container=%q jre=%q", cfg.Container, cfg.JRE)
	}

	logger.Info("Loaded supply config: container=%s jre=%s version=%s", cfg.Container, cfg.JRE, cfg.JREVersion)

	return &Finalizer{
		Stager:        stager,
		Manifest:      manifest,
		Installer:     installer,
		Log:           logger,
		Command:       command,
		ContainerName: cfg.Container,
		JREName:       cfg.JRE,
	}, nil
}

// Run performs the finalize phase
func Run(f *Finalizer) error {