runtime

type Config interface {
	// GetAddress should return the URL, which will be used for talking to container runtime.
	GetAddress() string

	// SetAddress allows to override, which URL will be used when talking to container runtime.
	SetAddress(string)

	// New validates container runtime and returns object, which can be used to create containers etc.
	New() (Runtime, error)
}

type Fake struct {
	// CreateF will be Create by method.
	CreateF func(config *types.ContainerConfig) (string, error)

	// DeleteF will be called by Delete method.
	DeleteF func(id string) error

	// StartF will be called by Start method.
	StartF func(id string) error

	// StatusF will be called by Status method.
	StatusF func(id string) (types.ContainerStatus, error)

	// StopF will be called by Stop method.
	StopF func(id string) error

	// CopyF will be called by Copy method.
	CopyF func(id string, files []*types.File) error

	// ReadF will be called by Read method.
	ReadF func(id string, srcPath []string) ([]*types.File, error)

	// StatF will be called by Stat method.
	StatF func(id string, paths []string) (map[string]os.FileMode, error)
}

type FakeConfig struct {
	// Runtime holds container runtime to return by New() method.
	Runtime Runtime

	// Address will be used for GetAddress and SetAddress methods.
	Address string
}

type Runtime interface {
	// Create creates container and returns it's unique identifier.
	Create(config *types.ContainerConfig) (string, error)

	// Delete removes the container.
	Delete(ID string) error

	// Start starts created container.
	Start(ID string) error

	// Status returns status of the container.
	Status(ID string) (types.ContainerStatus, error)

	// Stop takes unique identifier as a parameter and stops the container.
	Stop(ID string) error

	// Copy allows to copy TAR archive into the container.
	//
	// Docker currently does not allow to copy multiple files over https://github.com/moby/moby/issues/7710
	// It seems kubelet does https://github.com/kubernetes/kubernetes/pull/72641/files
	Copy(ID string, files []*types.File) error

	// Read allows to read file in TAR archive format from container.
	//
	// TODO check if we should return some information about read file
	Read(ID string, srcPath []string) ([]*types.File, error)

	// Stat returns os.FileMode for requested files from inside the container.
	Stat(ID string, paths []string) (map[string]os.FileMode, error)
}