introduce boot_command to clone builder

clone/builder.go

@@ -56,6 +56,11 @@ func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (pack
 				Config:   &b.config.RunConfig,
 				SetOrder: false,
 			},
+			&common.StepBootCommand{
+				Config: &b.config.BootConfig,
+				Ctx:    b.config.ctx,
+				VMName: b.config.VMName,
+			},
 			&common.StepWaitForIp{
 				Config: &b.config.WaitIpConfig,
 			},

clone/config.go

@@ -19,6 +19,7 @@ type Config struct {
 	common.ConfigParamsConfig `mapstructure:",squash"`
 
 	common.RunConfig      `mapstructure:",squash"`
+	common.BootConfig     `mapstructure:",squash"`
 	common.WaitIpConfig   `mapstructure:",squash"`
 	Comm                  communicator.Config `mapstructure:",squash"`
 	common.ShutdownConfig `mapstructure:",squash"`
@@ -34,6 +35,11 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
 	err := config.Decode(c, &config.DecodeOpts{
 		Interpolate:        true,
 		InterpolateContext: &c.ctx,
+		InterpolateFilter: &interpolate.RenderFilter{
+			Exclude: []string{
+				"boot_command",
+			},
+		},
 	}, raws...)
 	if err != nil {
 		return nil, nil, err

iso/step_boot_command.go → common/step_boot_command.go

@@ -1,4 +1,4 @@
-package iso
+package common
 
 import (
 	"context"

go.mod

@@ -8,4 +8,3 @@ require (
 )
 
 replace git.apache.org/thrift.git => github.com/apache/thrift v0.0.0-20180902110319-2566ecd5d999
-

iso/builder.go

@@ -94,7 +94,7 @@ func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (pack
 				Config:   &b.config.RunConfig,
 				SetOrder: true,
 			},
-			&StepBootCommand{
+			&common.StepBootCommand{
 				Config: &b.config.BootConfig,
 				Ctx:    b.config.ctx,
 				VMName: b.config.VMName,

iso/config.go

@@ -24,7 +24,7 @@ type Config struct {
 	CDRomConfig         `mapstructure:",squash"`
 	FloppyConfig        `mapstructure:",squash"`
 	common.RunConfig    `mapstructure:",squash"`
-	BootConfig          `mapstructure:",squash"`
+	common.BootConfig   `mapstructure:",squash"`
 	common.WaitIpConfig `mapstructure:",squash"`
 	Comm                communicator.Config `mapstructure:",squash"`