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package qemu
import (
"context"
"fmt"
"path/filepath"
"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
packersdk "github.com/hashicorp/packer/packer-plugin-sdk/packer"
)
// This step resizes the virtual disk that will be used as the
// hard drive for the virtual machine.
type stepResizeDisk struct {
DiskCompression bool
DiskImage bool
Format string
OutputDir string
SkipResizeDisk bool
VMName string
DiskSize string
QemuImgArgs QemuImgArgs
}
func (s *stepResizeDisk) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packersdk.Ui)
path := filepath.Join(s.OutputDir, s.VMName)
command := s.buildResizeCommand(path)
if s.DiskImage == false || s.SkipResizeDisk == true {
return multistep.ActionContinue
}
ui.Say("Resizing hard drive...")
if err := driver.QemuImg(command...); err != nil {
err := fmt.Errorf("Error creating hard drive: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *stepResizeDisk) buildResizeCommand(path string) []string {
command := []string{"resize", "-f", s.Format}
// add user-provided convert args
command = append(command, s.QemuImgArgs.Resize...)
// Add file and size
command = append(command, path, s.DiskSize)
return command
}
func (s *stepResizeDisk) Cleanup(state multistep.StateBag) {}
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