packer-cn/builder/amazon/chroot/step_pre_mount_commands.go

40 lines
1002 B
Go

package chroot
import (
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
)
type preMountCommandsData struct {
Device string
}
// StepPreMountCommands sets up the a new block device when building from scratch
type StepPreMountCommands struct {
Commands []string
}
func (s *StepPreMountCommands) Run(state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(*Config)
device := state.Get("device").(string)
ui := state.Get("ui").(packer.Ui)
wrappedCommand := state.Get("wrappedCommand").(CommandWrapper)
if len(s.Commands) == 0 {
return multistep.ActionContinue
}
ctx := config.ctx
ctx.Data = &preMountCommandsData{Device: device}
ui.Say("Running device setup commands...")
if err := RunLocalCommands(s.Commands, wrappedCommand, ctx, ui); err != nil {
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *StepPreMountCommands) Cleanup(state multistep.StateBag) {}