interfaces

type BootstrapHandler func(
	ctx context.Context,
	wg *sync.WaitGroup,
	startupTimer startup.Timer,
	dic *di.Container) (success bool)

type CertificateProvider interface {
	// GetCertificateKeyPair retrieves certificate pair.
	GetCertificateKeyPair(path string) (config.CertKeyPair, error)
}

type Configuration interface {
	// UpdateFromRaw converts configuration received from the registry to a service-specific configuration struct which is
	// then used to overwrite the service's existing configuration struct.
	UpdateFromRaw(rawConfig interface{}) bool

	// EmptyWritablePtr returns a pointer to a service-specific empty WritableInfo struct.  It is used by the bootstrap to
	// provide the appropriate structure to registry.Client's WatchForChanges().
	EmptyWritablePtr() interface{}

	// UpdateWritableFromRaw converts configuration received from the registry to a service-specific WritableInfo struct
	// which is then used to overwrite the service's existing configuration's WritableInfo struct.
	UpdateWritableFromRaw(rawWritable interface{}) bool

	// GetBootstrap returns the configuration elements required by the bootstrap.
	GetBootstrap() config.BootstrapConfiguration

	// GetLogLevel returns the current ConfigurationStruct's log level.
	GetLogLevel() string

	// GetRegistryInfo gets the config.RegistryInfo field from the ConfigurationStruct.
	GetRegistryInfo() config.RegistryInfo
}

type CredentialsProvider interface {
	// GetDatabaseCredentials retrieves database credentials.
	GetDatabaseCredentials(database config.Database) (config.Credentials, error)
}