Julian Phillips 90a57c411f Expand Artifact API to expose build state
In order that something consuming an artifact can have access to extra
builder specific data add the State method which allows the caller to
ask for arbitary values by name.
2014-09-22 11:15:47 +01:00

66 lines
1.2 KiB
Go

package common
import (
"fmt"
"os"
"path/filepath"
"github.com/mitchellh/packer/packer"
)
// This is the common builder ID to all of these artifacts.
const BuilderId = "mitchellh.virtualbox"
// Artifact is the result of running the VirtualBox builder, namely a set
// of files associated with the resulting machine.
type artifact struct {
dir string
f []string
}
// NewArtifact returns a VirtualBox artifact containing the files
// in the given directory.
func NewArtifact(dir string) (packer.Artifact, error) {
files := make([]string, 0, 5)
visit := func(path string, info os.FileInfo, err error) error {
if !info.IsDir() {
files = append(files, path)
}
return err
}
if err := filepath.Walk(dir, visit); err != nil {
return nil, err
}
return &artifact{
dir: dir,
f: files,
}, nil
}
func (*artifact) BuilderId() string {
return BuilderId
}
func (a *artifact) Files() []string {
return a.f
}
func (*artifact) Id() string {
return "VM"
}
func (a *artifact) String() string {
return fmt.Sprintf("VM files in directory: %s", a.dir)
}
func (a *artifact) State(name string) interface{} {
return nil
}
func (a *artifact) Destroy() error {
return os.RemoveAll(a.dir)
}