image

type Downloader interface {
	// DownloadFile downloads the specified file
	DownloadFile(ctx context.Context, endpoint Endpoint, w io.Writer) error
}

type Endpoint struct {
	// URL is the image URL. If protocol is omitted, the
	// configured default one is used.
	URL string

	// MaxRedirects is the maximum number of redirects that downloader is allowed to follow. -1 for stdlib default (fails on request #10)
	MaxRedirects int

	// TLS is the TLS config
	TLS *TLSConfig

	// Timeout specifies a time limit for http(s) download request. <= 0 is no timeout (default)
	Timeout time.Duration

	// Proxy is the proxy server to use. Default = use proxy from HTTP_PROXY environment variable
	Proxy string

	// Transport profile name for this endpoint. Provided for logging/debugging
	ProfileName string
}

type FileStore struct {
	sync.Mutex
	// contains filtered or unexported fields
}

type Image struct {
	Digest string
	Name   string
	Path   string
	Size   uint64
}

type RefGetter func() (map[string]bool, error)

type Store interface {
	// ListImage returns the list of images in the store.
	// If filter is specified, the list will only contain the
	// image with the same name as the value of 'filter',
	// or no images at all if there are no such images.
	ListImages(filter string) ([]*Image, error)

	// ImageStatus returns the description of the specified image.
	// If the image doesn't exist, no error is returned, just
	// nil instead of an image.
	ImageStatus(name string) (*Image, error)

	// PullImage pulls the image using specified image name translation
	// function.
	PullImage(ctx context.Context, name string, translator Translator) (string, error)

	// RemoveImage removes the specified image.
	RemoveImage(name string) error

	// GC removes all unused or partially downloaded images.
	GC() error

	// GetImagePathAndVirtualSize returns the path to image data
	// and virtual size for the specified image. It accepts
	// an image reference or a digest.
	GetImagePathAndVirtualSize(ref string) (string, uint64, error)

	// SetRefGetter sets a function that will be used to determine
	// the set of images that are currently in use.
	SetRefGetter(imageRefGetter RefGetter)
}

type TLSCertificate struct {
	// Certificate is the x509 certificate
	Certificate *x509.Certificate

	// PrivateKey is the private key needed for certificate-based client authentication
	PrivateKey crypto.PrivateKey
}

type TLSConfig struct {
	// Certificates to use (both CA and for client authentication)
	Certificates []TLSCertificate

	// ServerName is needed when connecting to domain other that certificate was issued for
	ServerName string

	// Insecure skips certificate verification
	Insecure bool
}

type Translator func(context.Context, string) Endpoint

type VirtualSizeFunc func(string) (uint64, error)