var CpuClockSpeedMHz = regexp.MustCompile("cpu MHz\\t*: +([0-9]+.[0-9]+)")

var HousekeepingInterval = flag.Duration("housekeeping_interval", 1*time.Second, "Interval between container housekeepings")

type Manager interface {
	// Start the manager.
	Start() error

	// Stops the manager.
	Stop() error

	// Get information about a container.
	GetContainerInfo(containerName string, query *info.ContainerInfoRequest) (*info.ContainerInfo, error)

	// Get information about all subcontainers of the specified container (includes self).
	SubcontainersInfo(containerName string, query *info.ContainerInfoRequest) ([]*info.ContainerInfo, error)

	// Gets all the Docker containers. Return is a map from full container name to ContainerInfo.
	AllDockerContainers(query *info.ContainerInfoRequest) (map[string]info.ContainerInfo, error)

	// Gets information about a specific Docker container. The specified name is within the Docker namespace.
	DockerContainer(dockerName string, query *info.ContainerInfoRequest) (info.ContainerInfo, error)

	// Gets spec for all containers based on request options.
	GetContainerSpec(containerName string, options v2.RequestOptions) (map[string]v2.ContainerSpec, error)

	// Gets summary stats for all containers based on request options.
	GetDerivedStats(containerName string, options v2.RequestOptions) (map[string]v2.DerivedStats, error)

	// Get info for all requested containers based on the request options.
	GetRequestedContainersInfo(containerName string, options v2.RequestOptions) (map[string]*info.ContainerInfo, error)

	// Get information about the machine.
	GetMachineInfo() (*info.MachineInfo, error)

	// Get version information about different components we depend on.
	GetVersionInfo() (*info.VersionInfo, error)

	// Get filesystem information for a given label.
	// Returns information for all global filesystems if label is empty.
	GetFsInfo(label string) ([]v2.FsInfo, error)

	// Get events streamed through passedChannel that fit the request.
	WatchForEvents(request *events.Request) (*events.EventChannel, error)

	// Get past events that have been detected and that fit the request.
	GetPastEvents(request *events.Request) ([]*info.Event, error)

	CloseEventChannel(watch_id int)
}

type ManagerMock struct {
	mock.Mock
}