packer-cn/builder/parallels/common/step_compact_disk.go

55 lines
1.3 KiB
Go

package common
import (
"fmt"
"github.com/hashicorp/packer/packer"
"github.com/mitchellh/multistep"
)
// StepCompactDisk is a step that removes all empty blocks from expanding
// Parallels virtual disks and reduces the result disk size
//
// Uses:
// driver Driver
// vmName string
// ui packer.Ui
//
// Produces:
// <nothing>
type StepCompactDisk struct {
Skip bool
}
// Run runs the compaction of the virtual disk attached to the VM.
func (s *StepCompactDisk) Run(state multistep.StateBag) multistep.StepAction {
driver := state.Get("driver").(Driver)
vmName := state.Get("vmName").(string)
ui := state.Get("ui").(packer.Ui)
if s.Skip {
ui.Say("Skipping disk compaction step...")
return multistep.ActionContinue
}
ui.Say("Compacting the disk image")
diskPath, err := driver.DiskPath(vmName)
if err != nil {
err = fmt.Errorf("Error detecting virtual disk path: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
if err := driver.CompactDisk(diskPath); err != nil {
state.Put("error", fmt.Errorf("Error compacting disk: %s", err))
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
// Cleanup does nothing.
func (*StepCompactDisk) Cleanup(multistep.StateBag) {}