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

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package chroot
import (
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
)
type postMountCommandsData struct {
Device string
MountPath string
}
// StepPostMountCommands allows running arbitrary commands after mounting the
// device, but prior to the bind mount and copy steps.
type StepPostMountCommands struct {
Commands []string
}
func (s *StepPostMountCommands) Run(state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(*Config)
device := state.Get("device").(string)
mountPath := state.Get("mount_path").(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 = &postMountCommandsData{
Device: device,
MountPath: mountPath,
}
ui.Say("Running post-mount 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 *StepPostMountCommands) Cleanup(state multistep.StateBag) {}