// The instance package contains a packer.Builder implementation that builds
// AMIs for Amazon EC2 backed by instance storage, as opposed to EBS storage.
package instance

import (
	"github.com/mitchellh/multistep"
	"github.com/mitchellh/packer/packer"
	"log"
)

// The unique ID for this builder
const BuilderId = "mitchellh.amazon.instance"

// Config is the configuration that is chained through the steps and
// settable from the template.
type Config struct {
}

type Builder struct {
	config Config
	runner multistep.Runner
}

func (b *Builder) Prepare(raws ...interface{}) error {
	return nil
}

func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
	return nil, nil
}

func (b *Builder) Cancel() {
	if b.runner != nil {
		log.Println("Cancelling the step runner...")
		b.runner.Cancel()
	}
}