packer-cn/builder/docker/driver.go

33 lines
870 B
Go

package docker
import (
"io"
)
// Driver is the interface that has to be implemented to communicate with
// Docker. The Driver interface also allows the steps to be tested since
// a mock driver can be shimmed in.
type Driver interface {
// Export exports the container with the given ID to the given writer.
Export(id string, dst io.Writer) error
// Pull should pull down the given image.
Pull(image string) error
// StartContainer starts a container and returns the ID for that container,
// along with a potential error.
StartContainer(*ContainerConfig) (string, error)
// StopContainer forcibly stops a container.
StopContainer(id string) error
// Verify verifies that the driver can run
Verify() error
}
// ContainerConfig is the configuration used to start a container.
type ContainerConfig struct {
Image string
Volumes map[string]string
}