backend

type Describer interface {
	Describe(ctx context.Context, digest string) (*v1.CASResource, error)
}

type Downloader interface {
	Download(ctx context.Context, w io.Writer, digest string) error
}

type ErrNotFound struct {
	// contains filtered or unexported fields
}

type Provider interface {
	// Provider identifier
	ID() string
	// retrieve a downloader/uploader from a secret
	FromCredentials(ctx context.Context, secretName string) (UploaderDownloader, error)
	// validate and extract credentials from raw json
	ValidateAndExtractCredentials(location string, credsJSON []byte) (any, error)
}

type Providers map[string]Provider

type Uploader interface {
	Upload(ctx context.Context, r io.Reader, resource *v1.CASResource) error
	Exists(ctx context.Context, digest string) (bool, error)
	CheckWritePermissions(ctx context.Context) error
}

type UploaderDownloader interface {
	Uploader
	Downloader
	Describer
}