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

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package common
import (
"fmt"
"strings"
"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
"github.com/hashicorp/packer/template/interpolate"
)
type commandTemplate struct {
Name string
}
// StepPrlctl is a step that executes additional `prlctl` commands as specified.
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// by the template.
//
// Uses:
// driver Driver
// ui packer.Ui
// vmName string
//
// Produces:
type StepPrlctl struct {
Commands [][]string
Ctx interpolate.Context
}
// Run executes `prlctl` commands.
func (s *StepPrlctl) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
vmName := state.Get("vmName").(string)
if len(s.Commands) > 0 {
ui.Say("Executing custom prlctl commands...")
}
s.Ctx.Data = &commandTemplate{
Name: vmName,
}
for _, originalCommand := range s.Commands {
command := make([]string, len(originalCommand))
copy(command, originalCommand)
for i, arg := range command {
var err error
command[i], err = interpolate.Render(arg, &s.Ctx)
if err != nil {
err = fmt.Errorf("Error preparing prlctl command: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
}
ui.Message(fmt.Sprintf("Executing: prlctl %s", strings.Join(command, " ")))
if err := driver.Prlctl(command...); err != nil {
err = fmt.Errorf("Error executing command: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
}
return multistep.ActionContinue
}
// Cleanup does nothing.
func (s *StepPrlctl) Cleanup(state multistep.StateBag) {}