99 lines
2.5 KiB
Go

package vagrant
import (
"fmt"
"os"
"path/filepath"
"regexp"
"strings"
"github.com/going/toolkit/xmlpath"
"github.com/mitchellh/packer/packer"
)
// These are the extensions of files that are unnecessary for the function
// of a Parallels virtual machine.
var UnnecessaryFileExtensions = []string{".log", ".backup", ".Backup"}
type ParallelsProvider struct{}
func (p *ParallelsProvider) KeepInputArtifact() bool {
return false
}
func (p *ParallelsProvider) Process(ui packer.Ui, artifact packer.Artifact, dir string) (vagrantfile string, metadata map[string]interface{}, err error) {
// Create the metadata
metadata = map[string]interface{}{"provider": "parallels"}
var configPath string
// Copy all of the original contents into the temporary directory
for _, path := range artifact.Files() {
// If the file isn't critical to the function of the
// virtual machine, we get rid of it.
// It's done by the builder, but we need one more time
// because unregistering a vm creates config.pvs.backup again.
unnecessary := false
ext := filepath.Ext(path)
for _, unnecessaryExt := range UnnecessaryFileExtensions {
if unnecessaryExt == ext {
unnecessary = true
break
}
}
if unnecessary {
continue
}
tmpPath := filepath.ToSlash(path)
pathRe := regexp.MustCompile(`^(.+?)([^/]+\.pvm/.+?)$`)
matches := pathRe.FindStringSubmatch(tmpPath)
var pvmPath string
if matches != nil {
pvmPath = filepath.FromSlash(matches[2])
} else {
continue // Just copy a pvm
}
dstPath := filepath.Join(dir, pvmPath)
ui.Message(fmt.Sprintf("Copying: %s", path))
if err = CopyContents(dstPath, path); err != nil {
return
}
if strings.HasSuffix(dstPath, "/config.pvs") {
configPath = dstPath
}
}
// Create the Vagrantfile from the template
var baseMacAddress string
baseMacAddress, err = findBaseMacAddress(configPath)
if err != nil {
ui.Message(fmt.Sprintf("Problem determining Vagarant Box MAC address: %s", err))
}
vagrantfile = fmt.Sprintf(parallelsVagrantfile, baseMacAddress)
return
}
func findBaseMacAddress(path string) (string, error) {
xpath := "/ParallelsVirtualMachine/Hardware/NetworkAdapter[@id='0']/MAC"
file, err := os.Open(path)
if err != nil {
return "", err
}
xpathComp := xmlpath.MustCompile(xpath)
root, err := xmlpath.Parse(file)
if err != nil {
return "", err
}
value, _ := xpathComp.String(root)
return value, nil
}
var parallelsVagrantfile = `
Vagrant.configure("2") do |config|
config.vm.base_mac = "%s"
end
`