packer-cn/post-processor/vagrant/hyperv.go

76 lines
2.3 KiB
Go

package vagrant
import (
"fmt"
"os"
"path/filepath"
"strings"
packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
)
type HypervProvider struct{}
func (p *HypervProvider) KeepInputArtifact() bool {
return false
}
func (p *HypervProvider) Process(ui packersdk.Ui, artifact packersdk.Artifact, dir string) (vagrantfile string, metadata map[string]interface{}, err error) {
// Create the metadata
metadata = map[string]interface{}{"provider": "hyperv"}
// ui.Message(fmt.Sprintf("artifacts all: %+v", artifact))
var outputDir string
// Vargant requires specific dir structure for hyperv
// hyperv builder creates the structure in the output dir
// we have to keep the structure in a temp dir
// hack little bit but string in artifact usually have output dir
artifactString := artifact.String()
d := strings.Split(artifactString, ": ")
outputDir = d[1]
// ui.Message(fmt.Sprintf("artifact dir from string: %s", outputDir))
// Copy all of the original contents into the temporary directory
for _, path := range artifact.Files() {
ui.Message(fmt.Sprintf("Copying: %s", path))
var rel string
rel, err = filepath.Rel(outputDir, filepath.Dir(path))
// ui.Message(fmt.Sprintf("rel is: %s", rel))
if err != nil {
ui.Message(fmt.Sprintf("err in: %s", rel))
return
}
dstDir := filepath.Join(dir, rel)
// ui.Message(fmt.Sprintf("dstdir is: %s", dstDir))
if _, err = os.Stat(dstDir); err != nil {
if err = os.MkdirAll(dstDir, 0755); err != nil {
ui.Message(fmt.Sprintf("err in creating: %s", dstDir))
return
}
}
dstPath := filepath.Join(dstDir, filepath.Base(path))
// We prefer to link the files where possible because they are often very huge.
// Some filesystem configurations do not allow hardlinks. As the possibilities
// of mounting different devices in different paths are flexible, we just try to
// link the file and copy if the link fails, thereby automatically optimizing with a safe fallback.
if err = LinkFile(dstPath, path); err != nil {
// ui.Message(fmt.Sprintf("err in linking: %s to %s", path, dstPath))
if err = CopyContents(dstPath, path); err != nil {
ui.Message(fmt.Sprintf("err in copying: %s to %s", path, dstPath))
return
}
}
ui.Message(fmt.Sprintf("Copied %s to %s", path, dstPath))
}
return
}