github.phpd.cn/hashicorp/packer@v1.3.2/builder/amazon/chroot/step_early_unflock.go (about)

     1  package chroot
     2  
     3  import (
     4  	"context"
     5  	"fmt"
     6  	"log"
     7  
     8  	"github.com/hashicorp/packer/helper/multistep"
     9  	"github.com/hashicorp/packer/packer"
    10  )
    11  
    12  // StepEarlyUnflock unlocks the flock.
    13  type StepEarlyUnflock struct{}
    14  
    15  func (s *StepEarlyUnflock) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
    16  	cleanup := state.Get("flock_cleanup").(Cleanup)
    17  	ui := state.Get("ui").(packer.Ui)
    18  
    19  	log.Println("Unlocking file lock...")
    20  	if err := cleanup.CleanupFunc(state); err != nil {
    21  		err := fmt.Errorf("Error unlocking file lock: %s", err)
    22  		state.Put("error", err)
    23  		ui.Error(err.Error())
    24  		return multistep.ActionHalt
    25  	}
    26  
    27  	return multistep.ActionContinue
    28  }
    29  
    30  func (s *StepEarlyUnflock) Cleanup(state multistep.StateBag) {}