backup

type Destination interface {
	// Upload uploads the file on disk to this destination. It takes the local `path' at which the backup is currently
	// stored.
	Upload(ctx context.Context, source string) error

	// IsUploaded checks if the backup has already been uploaded to this destination.
	IsUploaded(ctx context.Context) (bool, error)

	// RemotePath returns a string representing the location that the backup has been/will be placed.
	RemotePath() (string, error)
}

type GCSDestination struct {
	// The name of the GCS bucket to place the backup.
	Bucket string
	// The name of the object inside of the bucket. This can contain directories.
	BlobName string
}

type LocalVolumeDestination struct {
	// The absolute path to a file in which the backup will be placed. If the directory containing this file does not
	// exist, it will be created.
	Path string
}

type Method interface {
	// Save takes the backup & saves it on disk at the given filename.
	Save(ctx context.Context, path string) error

	// IsSaved checks if the backup already exists on the local disk.
	IsSaved(ctx context.Context, path string) (bool, error)

	// Delete removes the image from the local disk.
	Delete(ctx context.Context, path string) error
}

type SnapshotMethod struct {
	// Endpoints holds a list of etcd endpoints, used when calling in to the etcd API.
	// Each should be of the format `scheme://host-name:port'.
	Endpoints []string
}