datasource

Documentation

Index

• Constants
• func GetProviders() map[DatasourceType]Provider
• func RegisterProvider(p Provider)
• type DatasourceType
• type Provider
  • func FindProvider(providers map[DatasourceType]Provider, timeout time.Duration) (Provider, error)

Constants

const (
	DatasourceTypeEC2 = "ec2"
)

const (
	ErrDatasourceRetrievalTimeout = errors.Error("datasource: timeout during data-source retrieval")
)

Functions

func GetProviders

func GetProviders() map[DatasourceType]Provider

func RegisterProvider

func RegisterProvider(p Provider)

Types

type DatasourceType

type DatasourceType string

type Provider

type Provider interface {
	GetType() DatasourceType
	FetchHostname(ctx context.Context) (string, error)
	FetchLocalIPv4(ctx context.Context) (net.IP, error)
	FetchPublicIPv4(ctx context.Context) (net.IP, error)
	FetchMetadata(ctx context.Context) (*metadata.Digest, error)
}

func FindProvider

func FindProvider(providers map[DatasourceType]Provider, timeout time.Duration) (Provider, error)

FindProvider checks the given datasource providers, if it finds an available data source before the specified duration, it returns the provider, else it returns an ErrDatasourceRetrievalTimeout error