From a34ccacb0c55b09cab65c0a1996c384969f36f95 Mon Sep 17 00:00:00 2001
From: Nathan Pierce <connarpierce@gmail.com>
Date: Mon, 18 Jan 2021 08:54:57 -0500
Subject: [PATCH] copy_out_guest_install_log

---
 builder/anka/config.go         |  1 +
 builder/anka/step_create_vm.go | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/builder/anka/config.go b/builder/anka/config.go
index 5d52c9ed..067c40f5 100644
--- a/builder/anka/config.go
+++ b/builder/anka/config.go
@@ -39,6 +39,7 @@ type Config struct {
 	BootDelay  string `mapstructure:"boot_delay"`
 	EnableHtt  bool   `mapstructure:"enable_htt"`
 	DisableHtt bool   `mapstructure:"disable_htt"`
+	CopyOutGuestInstallLog     bool `mapstructure:"copy_out_guest_install_log"`
 
 	ctx interpolate.Context
 }
diff --git a/builder/anka/step_create_vm.go b/builder/anka/step_create_vm.go
index 76a34660..b0a3d885 100644
--- a/builder/anka/step_create_vm.go
+++ b/builder/anka/step_create_vm.go
@@ -26,6 +26,7 @@ func init() {
 type StepCreateVM struct {
 	client *client.Client
 	vmName string
+	config *Config
 }
 
 const (
@@ -154,11 +155,14 @@ func (s *StepCreateVM) modifyVMProperties(describeResponse client.DescribeRespon
 
 func (s *StepCreateVM) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
 	config := state.Get("config").(*Config)
+	
 	ui := state.Get("ui").(packer.Ui)
 
 	s.client = state.Get("client").(*client.Client)
 	sourceVMName := config.SourceVMName
 
+	s.config = config
+
 	onError := func(err error) multistep.StepAction {
 		return stepError(ui, state, err)
 	}
@@ -305,6 +309,19 @@ func (s *StepCreateVM) Cleanup(state multistep.StateBag) {
 	case *common.VMNotFoundException:
 		return
 	default:
+		if s.config.CopyOutGuestInstallLog {
+			dir, dir_err := os.Getwd()
+			if dir_err == nil {
+				err = s.client.Copy(client.CopyParams{
+					Src: s.vmName + ":/var/log/install.log",
+					Dst: dir + "/install-" + s.vmName + ".log",
+				})
+				if err != nil {
+					log.Println("Error downloading install log from VM")
+				}
+				ui.Say(fmt.Sprintf("Saved install.log from %s to ./install-%s.log", s.vmName, s.vmName))
+			}
+		}
 		if halted || canceled {
 			ui.Say(fmt.Sprintf("Deleting VM %s", s.vmName))
 			err = s.client.Delete(client.DeleteParams{VMName: s.vmName})