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|
package vagrant
import (
"fmt"
"github.com/mitchellh/packer/packer"
"path/filepath"
"strings"
)
type LibVirtProvider struct{}
func (p *LibVirtProvider) KeepInputArtifact() bool {
return false
}
func (p *LibVirtProvider) Process(ui packer.Ui, artifact packer.Artifact, dir string) (vagrantfile string, metadata map[string]interface{}, err error) {
diskName := artifact.State("diskName").(string)
// Copy the disk image into the temporary directory (as box.img)
for _, path := range artifact.Files() {
if strings.HasSuffix(path, "/"+diskName) {
ui.Message(fmt.Sprintf("Copying from artifact: %s", path))
dstPath := filepath.Join(dir, "box.img")
if err = CopyContents(dstPath, path); err != nil {
return
}
}
}
format := artifact.State("diskType").(string)
origSize := artifact.State("diskSize").(uint64)
size := origSize / 1024 // In MB, want GB
if origSize%1024 > 0 {
// Make sure we don't make the size smaller
size++
}
domainType := artifact.State("domainType").(string)
// Convert domain type to libvirt driver
var driver string
switch domainType {
case "kvm", "qemu":
driver = domainType
default:
return "", nil, fmt.Errorf("Unknown libvirt domain type: %s", domainType)
}
// Create the metadata
metadata = map[string]interface{}{
"provider": "libvirt",
"format": format,
"virtual_size": size,
}
vagrantfile = fmt.Sprintf(libvirtVagrantfile, driver)
return
}
var libvirtVagrantfile = `
Vagrant.configure("2") do |config|
config.vm.provider :libvirt do |libvirt|
libvirt.driver = "%s"
end
end
`
|
