352 lines
11 KiB
Go
352 lines
11 KiB
Go
package iso
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import (
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"errors"
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"fmt"
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"log"
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"math/rand"
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"strings"
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"time"
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"github.com/mitchellh/multistep"
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vboxcommon "github.com/mitchellh/packer/builder/virtualbox/common"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/helper/communicator"
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"github.com/mitchellh/packer/helper/config"
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"github.com/mitchellh/packer/packer"
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"github.com/mitchellh/packer/template/interpolate"
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)
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const BuilderId = "mitchellh.virtualbox"
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type Builder struct {
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config Config
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runner multistep.Runner
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}
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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vboxcommon.ExportConfig `mapstructure:",squash"`
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vboxcommon.ExportOpts `mapstructure:",squash"`
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vboxcommon.FloppyConfig `mapstructure:",squash"`
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vboxcommon.OutputConfig `mapstructure:",squash"`
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vboxcommon.RunConfig `mapstructure:",squash"`
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vboxcommon.ShutdownConfig `mapstructure:",squash"`
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vboxcommon.SSHConfig `mapstructure:",squash"`
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vboxcommon.VBoxManageConfig `mapstructure:",squash"`
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vboxcommon.VBoxManagePostConfig `mapstructure:",squash"`
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vboxcommon.VBoxVersionConfig `mapstructure:",squash"`
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BootCommand []string `mapstructure:"boot_command"`
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DiskSize uint `mapstructure:"disk_size"`
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GuestAdditionsMode string `mapstructure:"guest_additions_mode"`
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GuestAdditionsPath string `mapstructure:"guest_additions_path"`
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GuestAdditionsURL string `mapstructure:"guest_additions_url"`
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GuestAdditionsSHA256 string `mapstructure:"guest_additions_sha256"`
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GuestOSType string `mapstructure:"guest_os_type"`
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HardDriveInterface string `mapstructure:"hard_drive_interface"`
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ISOChecksum string `mapstructure:"iso_checksum"`
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ISOChecksumType string `mapstructure:"iso_checksum_type"`
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ISOInterface string `mapstructure:"iso_interface"`
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ISOUrls []string `mapstructure:"iso_urls"`
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VMName string `mapstructure:"vm_name"`
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RawSingleISOUrl string `mapstructure:"iso_url"`
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ctx interpolate.Context
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}
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func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
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err := config.Decode(&b.config, &config.DecodeOpts{
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Interpolate: true,
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InterpolateContext: &b.config.ctx,
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InterpolateFilter: &interpolate.RenderFilter{
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Exclude: []string{
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"boot_command",
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"guest_additions_path",
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"guest_additions_url",
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"vboxmanage",
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"vboxmanage_post",
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},
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},
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}, raws...)
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if err != nil {
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return nil, err
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}
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// Accumulate any errors and warnings
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var errs *packer.MultiError
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errs = packer.MultiErrorAppend(errs, b.config.ExportConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.ExportOpts.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.FloppyConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(
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errs, b.config.OutputConfig.Prepare(&b.config.ctx, &b.config.PackerConfig)...)
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errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.ShutdownConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.VBoxManageConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.VBoxManagePostConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.VBoxVersionConfig.Prepare(&b.config.ctx)...)
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warnings := make([]string, 0)
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if b.config.DiskSize == 0 {
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b.config.DiskSize = 40000
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}
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if b.config.GuestAdditionsMode == "" {
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b.config.GuestAdditionsMode = "upload"
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}
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if b.config.GuestAdditionsPath == "" {
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b.config.GuestAdditionsPath = "VBoxGuestAdditions.iso"
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}
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if b.config.HardDriveInterface == "" {
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b.config.HardDriveInterface = "ide"
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}
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if b.config.GuestOSType == "" {
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b.config.GuestOSType = "Other"
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}
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if b.config.ISOInterface == "" {
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b.config.ISOInterface = "ide"
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}
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if b.config.VMName == "" {
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b.config.VMName = fmt.Sprintf(
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"packer-%s-%d", b.config.PackerBuildName, interpolate.InitTime.Unix())
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}
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if b.config.HardDriveInterface != "ide" && b.config.HardDriveInterface != "sata" && b.config.HardDriveInterface != "scsi" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("hard_drive_interface can only be ide, sata, or scsi"))
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}
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if b.config.ISOChecksumType == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("The iso_checksum_type must be specified."))
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} else {
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b.config.ISOChecksumType = strings.ToLower(b.config.ISOChecksumType)
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if b.config.ISOChecksumType != "none" {
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if b.config.ISOChecksum == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("Due to large file sizes, an iso_checksum is required"))
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} else {
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b.config.ISOChecksum = strings.ToLower(b.config.ISOChecksum)
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}
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if h := common.HashForType(b.config.ISOChecksumType); h == nil {
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errs = packer.MultiErrorAppend(
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errs,
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fmt.Errorf("Unsupported checksum type: %s", b.config.ISOChecksumType))
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}
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}
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}
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if b.config.ISOInterface != "ide" && b.config.ISOInterface != "sata" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("iso_interface can only be ide or sata"))
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}
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if b.config.RawSingleISOUrl == "" && len(b.config.ISOUrls) == 0 {
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errs = packer.MultiErrorAppend(
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errs, errors.New("One of iso_url or iso_urls must be specified."))
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} else if b.config.RawSingleISOUrl != "" && len(b.config.ISOUrls) > 0 {
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errs = packer.MultiErrorAppend(
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errs, errors.New("Only one of iso_url or iso_urls may be specified."))
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} else if b.config.RawSingleISOUrl != "" {
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b.config.ISOUrls = []string{b.config.RawSingleISOUrl}
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}
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for i, url := range b.config.ISOUrls {
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b.config.ISOUrls[i], err = common.DownloadableURL(url)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Failed to parse iso_url %d: %s", i+1, err))
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}
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}
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validMode := false
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validModes := []string{
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vboxcommon.GuestAdditionsModeDisable,
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vboxcommon.GuestAdditionsModeAttach,
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vboxcommon.GuestAdditionsModeUpload,
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}
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for _, mode := range validModes {
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if b.config.GuestAdditionsMode == mode {
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validMode = true
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break
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}
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}
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if !validMode {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("guest_additions_mode is invalid. Must be one of: %v", validModes))
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}
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if b.config.GuestAdditionsSHA256 != "" {
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b.config.GuestAdditionsSHA256 = strings.ToLower(b.config.GuestAdditionsSHA256)
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}
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// Warnings
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if b.config.ISOChecksumType == "none" {
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warnings = append(warnings,
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"A checksum type of 'none' was specified. Since ISO files are so big,\n"+
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"a checksum is highly recommended.")
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}
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if b.config.ShutdownCommand == "" {
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warnings = append(warnings,
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"A shutdown_command was not specified. Without a shutdown command, Packer\n"+
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"will forcibly halt the virtual machine, which may result in data loss.")
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}
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if errs != nil && len(errs.Errors) > 0 {
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return warnings, errs
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}
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return warnings, nil
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}
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func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
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// Seed the random number generator
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rand.Seed(time.Now().UTC().UnixNano())
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// Create the driver that we'll use to communicate with VirtualBox
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driver, err := vboxcommon.NewDriver()
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if err != nil {
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return nil, fmt.Errorf("Failed creating VirtualBox driver: %s", err)
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}
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steps := []multistep.Step{
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&vboxcommon.StepDownloadGuestAdditions{
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GuestAdditionsMode: b.config.GuestAdditionsMode,
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GuestAdditionsURL: b.config.GuestAdditionsURL,
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GuestAdditionsSHA256: b.config.GuestAdditionsSHA256,
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Ctx: b.config.ctx,
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},
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&common.StepDownload{
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Checksum: b.config.ISOChecksum,
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ChecksumType: b.config.ISOChecksumType,
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Description: "ISO",
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ResultKey: "iso_path",
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Url: b.config.ISOUrls,
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Extension: "iso",
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},
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&vboxcommon.StepOutputDir{
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Force: b.config.PackerForce,
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Path: b.config.OutputDir,
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},
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&common.StepCreateFloppy{
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Files: b.config.FloppyFiles,
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},
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&vboxcommon.StepHTTPServer{
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HTTPDir: b.config.HTTPDir,
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HTTPPortMin: b.config.HTTPPortMin,
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HTTPPortMax: b.config.HTTPPortMax,
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},
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new(vboxcommon.StepSuppressMessages),
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new(stepCreateVM),
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new(stepCreateDisk),
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new(stepAttachISO),
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&vboxcommon.StepAttachGuestAdditions{
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GuestAdditionsMode: b.config.GuestAdditionsMode,
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},
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new(vboxcommon.StepAttachFloppy),
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&vboxcommon.StepForwardSSH{
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CommConfig: &b.config.SSHConfig.Comm,
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HostPortMin: b.config.SSHHostPortMin,
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HostPortMax: b.config.SSHHostPortMax,
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SkipNatMapping: b.config.SSHSkipNatMapping,
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},
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&vboxcommon.StepVBoxManage{
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Commands: b.config.VBoxManage,
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Ctx: b.config.ctx,
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},
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&vboxcommon.StepRun{
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BootWait: b.config.BootWait,
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Headless: b.config.Headless,
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},
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&vboxcommon.StepTypeBootCommand{
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BootCommand: b.config.BootCommand,
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VMName: b.config.VMName,
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Ctx: b.config.ctx,
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},
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&communicator.StepConnect{
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Config: &b.config.SSHConfig.Comm,
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Host: vboxcommon.CommHost,
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SSHConfig: vboxcommon.SSHConfigFunc(b.config.SSHConfig),
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SSHPort: vboxcommon.SSHPort,
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},
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&vboxcommon.StepUploadVersion{
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Path: b.config.VBoxVersionFile,
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},
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&vboxcommon.StepUploadGuestAdditions{
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GuestAdditionsMode: b.config.GuestAdditionsMode,
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GuestAdditionsPath: b.config.GuestAdditionsPath,
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Ctx: b.config.ctx,
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},
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new(common.StepProvision),
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&vboxcommon.StepShutdown{
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Command: b.config.ShutdownCommand,
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Timeout: b.config.ShutdownTimeout,
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},
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new(vboxcommon.StepRemoveDevices),
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&vboxcommon.StepVBoxManage{
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Commands: b.config.VBoxManagePost,
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Ctx: b.config.ctx,
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},
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&vboxcommon.StepExport{
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Format: b.config.Format,
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OutputDir: b.config.OutputDir,
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ExportOpts: b.config.ExportOpts.ExportOpts,
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SkipNatMapping: b.config.SSHSkipNatMapping,
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},
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}
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// Setup the state bag
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state := new(multistep.BasicStateBag)
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state.Put("cache", cache)
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state.Put("config", &b.config)
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state.Put("driver", driver)
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state.Put("hook", hook)
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state.Put("ui", ui)
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// Run
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if b.config.PackerDebug {
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b.runner = &multistep.DebugRunner{
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Steps: steps,
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PauseFn: common.MultistepDebugFn(ui),
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}
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} else {
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b.runner = &multistep.BasicRunner{Steps: steps}
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}
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b.runner.Run(state)
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// If there was an error, return that
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if rawErr, ok := state.GetOk("error"); ok {
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return nil, rawErr.(error)
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}
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// If we were interrupted or cancelled, then just exit.
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if _, ok := state.GetOk(multistep.StateCancelled); ok {
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return nil, errors.New("Build was cancelled.")
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}
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if _, ok := state.GetOk(multistep.StateHalted); ok {
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return nil, errors.New("Build was halted.")
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}
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return vboxcommon.NewArtifact(b.config.OutputDir)
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}
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func (b *Builder) Cancel() {
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if b.runner != nil {
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log.Println("Cancelling the step runner...")
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b.runner.Cancel()
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}
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}
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