builder/virtualbox: StepShutdown

builder/virtualbox/common/shutdown_config.go

+package common
+
+import (
+	"fmt"
+	"github.com/mitchellh/packer/packer"
+	"time"
+)
+
+type ShutdownConfig struct {
+	ShutdownCommand    string `mapstructure:"shutdown_command"`
+	RawShutdownTimeout string `mapstructure:"shutdown_timeout"`
+
+	ShutdownTimeout time.Duration ``
+}
+
+func (c *ShutdownConfig) Prepare(t *packer.ConfigTemplate) []error {
+	if c.RawShutdownTimeout == "" {
+		c.RawShutdownTimeout = "5m"
+	}
+
+	templates := map[string]*string{
+		"shutdown_command": &c.ShutdownCommand,
+		"shutdown_timeout": &c.RawShutdownTimeout,
+	}
+
+	errs := make([]error, 0)
+	for n, ptr := range templates {
+		var err error
+		*ptr, err = t.Process(*ptr, nil)
+		if err != nil {
+			errs = append(errs, fmt.Errorf("Error processing %s: %s", n, err))
+		}
+	}
+
+	var err error
+	c.ShutdownTimeout, err = time.ParseDuration(c.RawShutdownTimeout)
+	if err != nil {
+		errs = append(errs, fmt.Errorf("Failed parsing shutdown_timeout: %s", err))
+	}
+
+	return errs
+}

builder/virtualbox/common/shutdown_config_test.go

+package common
+
+import (
+	"testing"
+)
+
+func testShutdownConfig() *ShutdownConfig {
+	return &ShutdownConfig{}
+}
+
+func TestShutdownConfigPrepare_ShutdownCommand(t *testing.T) {
+	var c *ShutdownConfig
+	var errs []error
+
+	c = testShutdownConfig()
+	errs = c.Prepare(testConfigTemplate(t))
+	if len(errs) > 0 {
+		t.Fatalf("err: %#v", errs)
+	}
+}
+
+func TestShutdownConfigPrepare_ShutdownTimeout(t *testing.T) {
+	var c *ShutdownConfig
+	var errs []error
+
+	// Test with a bad value
+	c = testShutdownConfig()
+	c.RawShutdownTimeout = "this is not good"
+	errs = c.Prepare(testConfigTemplate(t))
+	if len(errs) == 0 {
+		t.Fatalf("should have error")
+	}
+
+	// Test with a good one
+	c = testShutdownConfig()
+	c.RawShutdownTimeout = "5s"
+	errs = c.Prepare(testConfigTemplate(t))
+	if len(errs) > 0 {
+		t.Fatalf("err: %#v", errs)
+	}
+}

builder/virtualbox/iso/step_shutdown.go → builder/virtualbox/common/step_shutdown.go

-package iso
+package common
 
 import (
 	"errors"
 	"fmt"
 	"github.com/mitchellh/multistep"
-	vboxcommon "github.com/mitchellh/packer/builder/virtualbox/common"
 	"github.com/mitchellh/packer/packer"
 	"log"
 	"time"
@@ -15,26 +14,27 @@ import (
 //
 // Uses:
 //   communicator packer.Communicator
-//   config *config
 //   driver Driver
 //   ui     packer.Ui
 //   vmName string
 //
 // Produces:
 //   <nothing>
-type stepShutdown struct{}
+type StepShutdown struct {
+	Command string
+	Timeout time.Duration
+}
 
-func (s *stepShutdown) Run(state multistep.StateBag) multistep.StepAction {
+func (s *StepShutdown) Run(state multistep.StateBag) multistep.StepAction {
 	comm := state.Get("communicator").(packer.Communicator)
-	config := state.Get("config").(*config)
-	driver := state.Get("driver").(vboxcommon.Driver)
+	driver := state.Get("driver").(Driver)
 	ui := state.Get("ui").(packer.Ui)
 	vmName := state.Get("vmName").(string)
 
-	if config.ShutdownCommand != "" {
+	if s.Command != "" {
 		ui.Say("Gracefully halting virtual machine...")
-		log.Printf("Executing shutdown command: %s", config.ShutdownCommand)
-		cmd := &packer.RemoteCmd{Command: config.ShutdownCommand}
+		log.Printf("Executing shutdown command: %s", s.Command)
+		cmd := &packer.RemoteCmd{Command: s.Command}
 		if err := cmd.StartWithUi(comm, ui); err != nil {
 			err := fmt.Errorf("Failed to send shutdown command: %s", err)
 			state.Put("error", err)
@@ -43,8 +43,8 @@ func (s *stepShutdown) Run(state multistep.StateBag) multistep.StepAction {
 		}
 
 		// Wait for the machine to actually shut down
-		log.Printf("Waiting max %s for shutdown to complete", config.shutdownTimeout)
-		shutdownTimer := time.After(config.shutdownTimeout)
+		log.Printf("Waiting max %s for shutdown to complete", s.Timeout)
+		shutdownTimer := time.After(s.Timeout)
 		for {
 			running, _ := driver.IsRunning(vmName)
 			if !running {
@@ -75,4 +75,4 @@ func (s *stepShutdown) Run(state multistep.StateBag) multistep.StepAction {
 	return multistep.ActionContinue
 }
 
-func (s *stepShutdown) Cleanup(state multistep.StateBag) {}
+func (s *StepShutdown) Cleanup(state multistep.StateBag) {}

builder/virtualbox/iso/builder.go

@@ -31,6 +31,7 @@ type config struct {
 	common.PackerConfig         `mapstructure:",squash"`
 	vboxcommon.FloppyConfig     `mapstructure:",squash"`
 	vboxcommon.OutputConfig     `mapstructure:",squash"`
+	vboxcommon.ShutdownConfig   `mapstructure:",squash"`
 	vboxcommon.SSHConfig        `mapstructure:",squash"`
 	vboxcommon.VBoxManageConfig `mapstructure:",squash"`
 
@@ -50,16 +51,13 @@ type config struct {
 	ISOChecksum          string   `mapstructure:"iso_checksum"`
 	ISOChecksumType      string   `mapstructure:"iso_checksum_type"`
 	ISOUrls              []string `mapstructure:"iso_urls"`
-	ShutdownCommand      string   `mapstructure:"shutdown_command"`
 	VBoxVersionFile      string   `mapstructure:"virtualbox_version_file"`
 	VMName               string   `mapstructure:"vm_name"`
 
 	RawBootWait     string `mapstructure:"boot_wait"`
 	RawSingleISOUrl string `mapstructure:"iso_url"`
-	RawShutdownTimeout string `mapstructure:"shutdown_timeout"`
 
 	bootWait time.Duration ``
-	shutdownTimeout time.Duration ``
 	tpl      *packer.ConfigTemplate
 }
 
@@ -138,12 +136,10 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 		"iso_checksum":            &b.config.ISOChecksum,
 		"iso_checksum_type":       &b.config.ISOChecksumType,
 		"iso_url":                 &b.config.RawSingleISOUrl,
-		"shutdown_command":        &b.config.ShutdownCommand,
 		"virtualbox_version_file": &b.config.VBoxVersionFile,
 		"vm_name":                 &b.config.VMName,
 		"format":                  &b.config.Format,
 		"boot_wait":               &b.config.RawBootWait,
-		"shutdown_timeout":        &b.config.RawShutdownTimeout,
 	}
 
 	for n, ptr := range templates {
@@ -264,16 +260,6 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 			errs, fmt.Errorf("Failed parsing boot_wait: %s", err))
 	}
 
-	if b.config.RawShutdownTimeout == "" {
-		b.config.RawShutdownTimeout = "5m"
-	}
-
-	b.config.shutdownTimeout, err = time.ParseDuration(b.config.RawShutdownTimeout)
-	if err != nil {
-		errs = packer.MultiErrorAppend(
-			errs, fmt.Errorf("Failed parsing shutdown_timeout: %s", err))
-	}
-
 	// Warnings
 	if b.config.ShutdownCommand == "" {
 		warnings = append(warnings,
@@ -336,7 +322,10 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		new(stepUploadVersion),
 		new(stepUploadGuestAdditions),
 		new(common.StepProvision),
-		new(stepShutdown),
+		&vboxcommon.StepShutdown{
+			Command: b.config.ShutdownCommand,
+			Timeout: b.config.ShutdownTimeout,
+		},
 		new(stepRemoveDevices),
 		new(stepExport),
 	}

builder/virtualbox/iso/builder_test.go

@@ -532,47 +532,6 @@ func TestBuilderPrepare_ISOUrl(t *testing.T) {
 	}
 }
 
-func TestBuilderPrepare_ShutdownCommand(t *testing.T) {
-	var b Builder
-	config := testConfig()
-	delete(config, "shutdown_command")
-
-	warns, err := b.Prepare(config)
-	if err != nil {
-		t.Fatalf("bad: %s", err)
-	}
-
-	if len(warns) != 1 {
-		t.Fatalf("bad: %#v", warns)
-	}
-}
-
-func TestBuilderPrepare_ShutdownTimeout(t *testing.T) {
-	var b Builder
-	config := testConfig()
-
-	// Test with a bad value
-	config["shutdown_timeout"] = "this is not good"
-	warns, err := b.Prepare(config)
-	if len(warns) > 0 {
-		t.Fatalf("bad: %#v", warns)
-	}
-	if err == nil {
-		t.Fatal("should have error")
-	}
-
-	// Test with a good one
-	config["shutdown_timeout"] = "5s"
-	b = Builder{}
-	warns, err = b.Prepare(config)
-	if len(warns) > 0 {
-		t.Fatalf("bad: %#v", warns)
-	}
-	if err != nil {
-		t.Fatalf("should not have error: %s", err)
-	}
-}
-
 func TestBuilderPrepare_VBoxVersionFile(t *testing.T) {
 	var b Builder
 	config := testConfig()

builder/virtualbox/ovf/builder.go

@@ -75,8 +75,11 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			new(stepUploadGuestAdditions),
 		*/
 		new(common.StepProvision),
+		&vboxcommon.StepShutdown{
+			Command: b.config.ShutdownCommand,
+			Timeout: b.config.ShutdownTimeout,
+		},
 		/*
-			new(stepShutdown),
 			new(stepRemoveDevices),
 			new(stepExport),
 		*/

builder/virtualbox/ovf/config.go

@@ -12,6 +12,7 @@ type Config struct {
 	vboxcommon.FloppyConfig     `mapstructure:",squash"`
 	vboxcommon.OutputConfig     `mapstructure:",squash"`
 	vboxcommon.SSHConfig        `mapstructure:",squash"`
+	vboxcommon.ShutdownConfig   `mapstructure:",squash"`
 	vboxcommon.VBoxManageConfig `mapstructure:",squash"`
 
 	tpl *packer.ConfigTemplate
@@ -37,10 +38,18 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
 	errs = packer.MultiErrorAppend(errs, c.SSHConfig.Prepare(c.tpl)...)
 	errs = packer.MultiErrorAppend(errs, c.VBoxManageConfig.Prepare(c.tpl)...)
 
+	// Warnings
+	var warnings []string
+	if c.ShutdownCommand == "" {
+		warnings = append(warnings,
+			"A shutdown_command was not specified. Without a shutdown command, Packer\n"+
+				"will forcibly halt the virtual machine, which may result in data loss.")
+	}
+
 	// Check for any errors.
 	if errs != nil && len(errs.Errors) > 0 {
-		return nil, nil, errs
+		return nil, warnings, errs
 	}
 
-	return c, nil, nil
+	return c, warnings, nil
 }