github.com/mmcquillan/packer@v1.1.1-0.20171009221028-c85cf0483a5d/builder/amazon/chroot/step_pre_mount_commands.go (about)

     1  package chroot
     2  
     3  import (
     4  	"github.com/hashicorp/packer/packer"
     5  	"github.com/mitchellh/multistep"
     6  )
     7  
     8  type preMountCommandsData struct {
     9  	Device string
    10  }
    11  
    12  // StepPreMountCommands sets up the a new block device when building from scratch
    13  type StepPreMountCommands struct {
    14  	Commands []string
    15  }
    16  
    17  func (s *StepPreMountCommands) Run(state multistep.StateBag) multistep.StepAction {
    18  	config := state.Get("config").(*Config)
    19  	device := state.Get("device").(string)
    20  	ui := state.Get("ui").(packer.Ui)
    21  	wrappedCommand := state.Get("wrappedCommand").(CommandWrapper)
    22  
    23  	if len(s.Commands) == 0 {
    24  		return multistep.ActionContinue
    25  	}
    26  
    27  	ctx := config.ctx
    28  	ctx.Data = &preMountCommandsData{Device: device}
    29  
    30  	ui.Say("Running device setup commands...")
    31  	if err := RunLocalCommands(s.Commands, wrappedCommand, ctx, ui); err != nil {
    32  		state.Put("error", err)
    33  		ui.Error(err.Error())
    34  		return multistep.ActionHalt
    35  	}
    36  	return multistep.ActionContinue
    37  }
    38  
    39  func (s *StepPreMountCommands) Cleanup(state multistep.StateBag) {}