packer-cn/packer/builder.go

19 lines
751 B
Go

package packer
// Implementers of Builder are responsible for actually building images
// on some platform given some configuration.
type Builder interface {
// Prepare is responsible for reading in some configuration, in the raw form
// of map[string]interface{}, and storing that state for use later. Any setup
// should be done in this method. Note that NO side effects should really take
// place in prepare. It is meant as a state setup step only.
Prepare(config interface{}) error
// Run is where the actual build should take place. It takes a Build and a Ui.
Run(ui Ui, hook Hook) Artifact
// Cancel cancels a possibly running Builder. This should block until
// the builder actually cancels and cleans up after itself.
Cancel()
}