add boot volume to builder instance

builder/oracle/classic/builder.go

@@ -82,6 +82,12 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 				sourceImageList: b.config.SourceImageList,
 				bootable:        true,
 			},
+			&stepCreatePersistentVolume{
+				volumeSize:      fmt.Sprintf("%d", b.config.PersistentVolumeSize),
+				volumeName:      fmt.Sprintf("builder-boot_%s", runID),
+				sourceImageList: b.config.SourceImageList,
+				bootable:        true,
+			},
 			&stepCreatePersistentVolume{
 				volumeSize: fmt.Sprintf("%d", b.config.PersistentVolumeSize*2),
 				volumeName: fmt.Sprintf("builder-storage_%s", runID),
@@ -109,6 +115,7 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 				name:              fmt.Sprintf("builder-instance_%s", runID),
 				masterVolumeName:  fmt.Sprintf("master-storage_%s", runID),
 				builderVolumeName: fmt.Sprintf("builder-storage_%s", runID),
+				builderBootName:   fmt.Sprintf("builder-boot_%s", runID),
 			},
 			&communicator.StepConnect{
 				Config:    &b.config.Comm,

builder/oracle/classic/config.go

@@ -31,6 +31,8 @@ type Config struct {
 	// Image
 	// PersistentVolumeSize lets us control the volume size by using persistent boot storage
 	PersistentVolumeSize int `mapstructure:"persistent_volume_size"`
+	//TODO
+	// builder image
 
 	ImageName       string        `mapstructure:"image_name"`
 	Shape           string        `mapstructure:"shape"`

builder/oracle/classic/step_create_pv_builder.go

@@ -13,6 +13,7 @@ type stepCreatePVBuilder struct {
 	name              string
 	masterVolumeName  string
 	builderVolumeName string
+	builderBootName   string
 }
 
 func (s *stepCreatePVBuilder) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
@@ -40,15 +41,19 @@ func (s *stepCreatePVBuilder) Run(_ context.Context, state multistep.StateBag) m
 		},
 		Storage: []compute.StorageAttachmentInput{
 			{
-				Volume: s.builderVolumeName,
+				Volume: s.builderBootName,
 				Index:  1,
 			},
 			{
-				Volume: s.masterVolumeName,
+				Volume: s.builderVolumeName,
 				Index:  2,
 			},
+			{
+				Volume: s.masterVolumeName,
+				Index:  3,
+			},
 		},
-		ImageList:  config.SourceImageList,
+		BootOrder:  []int{1},
 		Attributes: config.attribs,
 		SSHKeys:    []string{config.Comm.SSHKeyPairName},
 	}