Added base MAC address into vagrant boxes for Parallels provider.

post-processor/vagrant/parallels.go

@@ -2,9 +2,12 @@ package vagrant
 
 import (
 	"fmt"
+	"os"
 	"path/filepath"
 	"regexp"
+	"strings"
 
+	"github.com/going/toolkit/xmlpath"
 	"github.com/mitchellh/packer/packer"
 )
 
@@ -21,6 +24,7 @@ func (p *ParallelsProvider) KeepInputArtifact() bool {
 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() {
@@ -40,11 +44,10 @@ func (p *ParallelsProvider) Process(ui packer.Ui, artifact packer.Artifact, dir
 			continue
 		}
 
-		var pvmPath string
-
 		tmpPath := filepath.ToSlash(path)
 		pathRe := regexp.MustCompile(`^(.+?)([^/]+\.pvm/.+?)$`)
 		matches := pathRe.FindStringSubmatch(tmpPath)
+		var pvmPath string
 		if matches != nil {
 			pvmPath = filepath.FromSlash(matches[2])
 		} else {
@@ -56,7 +59,40 @@ func (p *ParallelsProvider) Process(ui packer.Ui, artifact packer.Artifact, dir
 		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
+`