data

type Client interface {
	// SaveContainer saves the data of a container.
	SaveContainer(*container.Container) error
	// SaveDockerContainer saves the data of a docker container.
	// We have both SaveContainer and SaveDockerContainer so that a caller who doesn't have docker information
	// of the container can save container with SaveContainer, while a caller who wants to save the docker
	// information of the container can save it with SaveDockerContainer.
	SaveDockerContainer(*container.DockerContainer) error
	// DeleteContainer deletes the data of a container.
	DeleteContainer(string) error
	// GetContainers gets the data of all the containers.
	GetContainers() ([]*container.DockerContainer, error)

	// SaveTask saves the data of a task.
	SaveTask(*task.Task) error
	// DeleteTask deletes the data of a task.
	DeleteTask(string) error
	// GetTasks gets the data of all the tasks.
	GetTasks() ([]*task.Task, error)

	// SaveImageState saves the data of an image state.
	SaveImageState(*image.ImageState) error
	// DeleteImageState deletes the data of an image state.
	DeleteImageState(string) error
	// GetImageStates gets the data of all the image states.
	GetImageStates() ([]*image.ImageState, error)

	// SaveENIAttachment saves the data of an ENI attachment.
	SaveENIAttachment(*eni.ENIAttachment) error
	// DeleteENIAttachment deletes the data of an ENI atttachment.
	DeleteENIAttachment(string) error
	// GetENIAttachments gets the data of all the ENI attachment.
	GetENIAttachments() ([]*eni.ENIAttachment, error)

	// SaveMetadata saves a key value pair of metadata.
	SaveMetadata(string, string) error
	// GetMetadata gets the value of a certain kind of metadata.
	GetMetadata(string) (string, error)

	// Close closes the connection to database.
	Close() error
}