343 lines
11 KiB
Go
343 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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"github.com/mitchellh/multistep"
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parallelscommon "github.com/mitchellh/packer/builder/parallels/common"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/packer"
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"log"
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"strings"
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)
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const BuilderId = "rickard-von-essen.parallels"
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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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parallelscommon.FloppyConfig `mapstructure:",squash"`
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parallelscommon.OutputConfig `mapstructure:",squash"`
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parallelscommon.PrlctlConfig `mapstructure:",squash"`
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parallelscommon.PrlctlVersionConfig `mapstructure:",squash"`
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parallelscommon.RunConfig `mapstructure:",squash"`
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parallelscommon.ShutdownConfig `mapstructure:",squash"`
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parallelscommon.SSHConfig `mapstructure:",squash"`
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parallelscommon.ToolsConfig `mapstructure:",squash"`
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BootCommand []string `mapstructure:"boot_command"`
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DiskSize uint `mapstructure:"disk_size"`
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GuestOSType string `mapstructure:"guest_os_type"`
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HardDriveInterface string `mapstructure:"hard_drive_interface"`
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HostInterfaces []string `mapstructure:"host_interfaces"`
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HTTPDir string `mapstructure:"http_directory"`
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HTTPPortMin uint `mapstructure:"http_port_min"`
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HTTPPortMax uint `mapstructure:"http_port_max"`
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ISOChecksum string `mapstructure:"iso_checksum"`
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ISOChecksumType string `mapstructure:"iso_checksum_type"`
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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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// Deprecated parameters
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GuestOSDistribution string `mapstructure:"guest_os_distribution"`
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ParallelsToolsHostPath string `mapstructure:"parallels_tools_host_path"`
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tpl *packer.ConfigTemplate
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}
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func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
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md, err := common.DecodeConfig(&b.config, raws...)
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if err != nil {
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return nil, err
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}
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b.config.tpl, err = packer.NewConfigTemplate()
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if err != nil {
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return nil, err
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}
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b.config.tpl.UserVars = b.config.PackerUserVars
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// Accumulate any errors and warnings
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errs := common.CheckUnusedConfig(md)
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errs = packer.MultiErrorAppend(errs, b.config.FloppyConfig.Prepare(b.config.tpl)...)
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errs = packer.MultiErrorAppend(
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errs, b.config.OutputConfig.Prepare(b.config.tpl, &b.config.PackerConfig)...)
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errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(b.config.tpl)...)
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errs = packer.MultiErrorAppend(errs, b.config.PrlctlConfig.Prepare(b.config.tpl)...)
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errs = packer.MultiErrorAppend(errs, b.config.PrlctlVersionConfig.Prepare(b.config.tpl)...)
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errs = packer.MultiErrorAppend(errs, b.config.ShutdownConfig.Prepare(b.config.tpl)...)
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errs = packer.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(b.config.tpl)...)
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errs = packer.MultiErrorAppend(errs, b.config.ToolsConfig.Prepare(b.config.tpl)...)
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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.HardDriveInterface == "" {
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b.config.HardDriveInterface = "sata"
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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.GuestOSDistribution != "" {
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// Compatibility with older templates:
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// Use value of 'guest_os_distribution' if it is defined.
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b.config.GuestOSType = b.config.GuestOSDistribution
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warnings = append(warnings,
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"A 'guest_os_distribution' has been completely replaced with 'guest_os_type'\n"+
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"It is recommended to remove it and assign the previous value to 'guest_os_type'.\n"+
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"Run it to see all available values: `prlctl create x -d list` ")
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}
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if b.config.HTTPPortMin == 0 {
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b.config.HTTPPortMin = 8000
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}
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if b.config.HTTPPortMax == 0 {
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b.config.HTTPPortMax = 9000
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}
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if len(b.config.HostInterfaces) == 0 {
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b.config.HostInterfaces = []string{"en0", "en1", "en2", "en3", "en4", "en5", "en6", "en7",
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"en8", "en9", "ppp0", "ppp1", "ppp2"}
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}
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if b.config.VMName == "" {
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b.config.VMName = fmt.Sprintf("packer-%s", b.config.PackerBuildName)
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}
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// Errors
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templates := map[string]*string{
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"guest_os_type": &b.config.GuestOSType,
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"hard_drive_interface": &b.config.HardDriveInterface,
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"http_directory": &b.config.HTTPDir,
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"iso_checksum": &b.config.ISOChecksum,
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"iso_checksum_type": &b.config.ISOChecksumType,
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"iso_url": &b.config.RawSingleISOUrl,
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"vm_name": &b.config.VMName,
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}
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for n, ptr := range templates {
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var err error
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*ptr, err = b.config.tpl.Process(*ptr, nil)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Error processing %s: %s", n, err))
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}
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}
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for i, url := range b.config.ISOUrls {
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var err error
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b.config.ISOUrls[i], err = b.config.tpl.Process(url, nil)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Error processing iso_urls[%d]: %s", i, err))
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}
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}
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for i, command := range b.config.BootCommand {
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if err := b.config.tpl.Validate(command); err != nil {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("Error processing boot_command[%d]: %s", i, err))
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}
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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.HTTPPortMin > b.config.HTTPPortMax {
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errs = packer.MultiErrorAppend(
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errs, errors.New("http_port_min must be less than http_port_max"))
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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.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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// 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 b.config.ParallelsToolsHostPath != "" {
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warnings = append(warnings,
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"A 'parallels_tools_host_path' has been deprecated and not in use anymore\n"+
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"You can remove it from your Packer template.")
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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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// Create the driver that we'll use to communicate with Parallels
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driver, err := parallelscommon.NewDriver()
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if err != nil {
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return nil, fmt.Errorf("Failed creating Parallels driver: %s", err)
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}
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steps := []multistep.Step{
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¶llelscommon.StepPrepareParallelsTools{
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ParallelsToolsFlavor: b.config.ParallelsToolsFlavor,
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ParallelsToolsMode: b.config.ParallelsToolsMode,
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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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},
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¶llelscommon.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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new(stepHTTPServer),
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new(stepCreateVM),
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new(stepCreateDisk),
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new(stepSetBootOrder),
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new(stepAttachISO),
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¶llelscommon.StepAttachParallelsTools{
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ParallelsToolsMode: b.config.ParallelsToolsMode,
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},
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new(parallelscommon.StepAttachFloppy),
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¶llelscommon.StepPrlctl{
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Commands: b.config.Prlctl,
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Tpl: b.config.tpl,
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},
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¶llelscommon.StepRun{
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BootWait: b.config.BootWait,
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Headless: b.config.Headless, // TODO: migth work on Enterprise Ed.
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},
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¶llelscommon.StepTypeBootCommand{
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BootCommand: b.config.BootCommand,
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HostInterfaces: b.config.HostInterfaces,
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VMName: b.config.VMName,
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Tpl: b.config.tpl,
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},
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&common.StepConnectSSH{
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SSHAddress: parallelscommon.SSHAddress,
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SSHConfig: parallelscommon.SSHConfigFunc(b.config.SSHConfig),
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SSHWaitTimeout: b.config.SSHWaitTimeout,
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},
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¶llelscommon.StepUploadVersion{
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Path: b.config.PrlctlVersionFile,
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},
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¶llelscommon.StepUploadParallelsTools{
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ParallelsToolsFlavor: b.config.ParallelsToolsFlavor,
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ParallelsToolsGuestPath: b.config.ParallelsToolsGuestPath,
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ParallelsToolsMode: b.config.ParallelsToolsMode,
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Tpl: b.config.tpl,
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},
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new(common.StepProvision),
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¶llelscommon.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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}
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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 parallelscommon.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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