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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| package nutanix | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
|
|
||
| "github.com/hashicorp/packer-plugin-sdk/multistep" | ||
| "github.com/hashicorp/packer-plugin-sdk/packer" | ||
| ) | ||
|
|
||
| type stepExportImage struct { | ||
| VMName string | ||
| ImageName string | ||
| } | ||
|
|
||
| func (s *stepExportImage) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction { | ||
| ui := state.Get("ui").(packer.Ui) | ||
| imageList := state.Get("image_uuid").([]imageArtefact) | ||
| d := state.Get("driver").(Driver) | ||
| // vm, _ := d.GetVM(vmUUID) | ||
|
|
||
| ui.Say(fmt.Sprintf("Exporting image(s) from virtual machine %s...", s.VMName)) | ||
|
|
||
| // Create a channel to receive signals | ||
| sigChan := make(chan os.Signal, 1) | ||
| signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM) | ||
|
|
||
| for index, imageToExport := range imageList { | ||
|
|
||
| name := s.ImageName | ||
| if index > 0 { | ||
| name = fmt.Sprintf("%s-disk%d", name, index+1) | ||
| } | ||
|
|
||
| file, err := d.ExportImage(imageToExport.uuid) | ||
| if err != nil { | ||
| ui.Error("Image export failed: " + err.Error()) | ||
| state.Put("error", err) | ||
| return multistep.ActionHalt | ||
| } | ||
| defer file.Close() | ||
|
|
||
| toRead := ui.TrackProgress(name, 0, imageToExport.size, file) | ||
|
|
||
| tempDestinationPath := name + ".tmp" | ||
|
|
||
| f, err := os.OpenFile(tempDestinationPath, os.O_CREATE|os.O_WRONLY, 0644) | ||
| if err != nil { | ||
| return multistep.ActionHalt | ||
| } | ||
|
|
||
| // Use a goroutine to copy the data, so that we can | ||
| // interrupt it if necessary | ||
| copyDone := make(chan bool) | ||
| go func() { | ||
| io.Copy(f, toRead) | ||
| copyDone <- true | ||
| }() | ||
|
|
||
| select { | ||
| case <-copyDone: | ||
| toRead.Close() | ||
|
|
||
| // Check if size is OK | ||
| fi, err := f.Stat() | ||
| if err != nil { | ||
| ui.Error("Image stat failed: " + err.Error()) | ||
| state.Put("error", err) | ||
| return multistep.ActionHalt | ||
| } | ||
|
|
||
| if fi.Size() != imageToExport.size { | ||
| os.Remove(tempDestinationPath) | ||
| ui.Error("image size mistmatch") | ||
| state.Put("error", fmt.Errorf("image size mistmatch")) | ||
| return multistep.ActionHalt | ||
| } | ||
|
|
||
| name = name + ".img" | ||
| os.Rename(tempDestinationPath, name) | ||
|
|
||
| ui.Message(fmt.Sprintf("image %s exported", name)) | ||
|
|
||
| case <-sigChan: | ||
| // We received a signal, cancel the copy operation | ||
| toRead.Close() | ||
| f.Close() | ||
| os.Remove(tempDestinationPath) | ||
| ui.Message("image export cancelled") | ||
| return multistep.ActionHalt | ||
| } | ||
|
|
||
| } | ||
| return multistep.ActionContinue | ||
| } | ||
|
|
||
| func (s *stepExportImage) Cleanup(state multistep.StateBag) {} |
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