/
builder.go
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/
builder.go
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//go:generate struct-markdown
//go:generate mapstructure-to-hcl2 -type Config
package iso
import (
"context"
"errors"
"fmt"
"github.com/hashicorp/hcl/v2/hcldec"
"github.com/hashicorp/packer-plugin-sdk/bootcommand"
"github.com/hashicorp/packer-plugin-sdk/common"
"github.com/hashicorp/packer-plugin-sdk/communicator"
"github.com/hashicorp/packer-plugin-sdk/multistep"
"github.com/hashicorp/packer-plugin-sdk/multistep/commonsteps"
packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
"github.com/hashicorp/packer-plugin-sdk/shutdowncommand"
"github.com/hashicorp/packer-plugin-sdk/template/config"
"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
parallelscommon "github.com/hashicorp/packer/builder/parallels/common"
)
const BuilderId = "rickard-von-essen.parallels"
type Builder struct {
config Config
runner multistep.Runner
}
type Config struct {
common.PackerConfig `mapstructure:",squash"`
commonsteps.HTTPConfig `mapstructure:",squash"`
commonsteps.ISOConfig `mapstructure:",squash"`
commonsteps.FloppyConfig `mapstructure:",squash"`
bootcommand.BootConfig `mapstructure:",squash"`
parallelscommon.OutputConfig `mapstructure:",squash"`
parallelscommon.HWConfig `mapstructure:",squash"`
parallelscommon.PrlctlConfig `mapstructure:",squash"`
parallelscommon.PrlctlPostConfig `mapstructure:",squash"`
parallelscommon.PrlctlVersionConfig `mapstructure:",squash"`
shutdowncommand.ShutdownConfig `mapstructure:",squash"`
parallelscommon.SSHConfig `mapstructure:",squash"`
parallelscommon.ToolsConfig `mapstructure:",squash"`
// The size, in megabytes, of the hard disk to create
// for the VM. By default, this is 40000 (about 40 GB).
DiskSize uint `mapstructure:"disk_size" required:"false"`
// The type for image file based virtual disk drives,
// defaults to expand. Valid options are expand (expanding disk) that the
// image file is small initially and grows in size as you add data to it, and
// plain (plain disk) that the image file has a fixed size from the moment it
// is created (i.e the space is allocated for the full drive). Plain disks
// perform faster than expanding disks. skip_compaction will be set to true
// automatically for plain disks.
DiskType string `mapstructure:"disk_type" required:"false"`
// The guest OS type being installed. By default
// this is "other", but you can get dramatic performance improvements by
// setting this to the proper value. To view all available values for this run
// prlctl create x --distribution list. Setting the correct value hints to
// Parallels Desktop how to optimize the virtual hardware to work best with
// that operating system.
GuestOSType string `mapstructure:"guest_os_type" required:"false"`
// The type of controller that the hard
// drives are attached to, defaults to "sata". Valid options are "sata", "ide",
// and "scsi".
HardDriveInterface string `mapstructure:"hard_drive_interface" required:"false"`
// A list of which interfaces on the
// host should be searched for a IP address. The first IP address found on one
// of these will be used as `{{ .HTTPIP }}` in the boot_command. Defaults to
// ["en0", "en1", "en2", "en3", "en4", "en5", "en6", "en7", "en8", "en9",
// "ppp0", "ppp1", "ppp2"].
HostInterfaces []string `mapstructure:"host_interfaces" required:"false"`
// Virtual disk image is compacted at the end of
// the build process using prl_disk_tool utility (except for the case that
// disk_type is set to plain). In certain rare cases, this might corrupt
// the resulting disk image. If you find this to be the case, you can disable
// compaction using this configuration value.
SkipCompaction bool `mapstructure:"skip_compaction" required:"false"`
// This is the name of the PVM directory for the new
// virtual machine, without the file extension. By default this is
// "packer-BUILDNAME", where "BUILDNAME" is the name of the build.
VMName string `mapstructure:"vm_name" required:"false"`
ctx interpolate.Context
}
func (b *Builder) ConfigSpec() hcldec.ObjectSpec { return b.config.FlatMapstructure().HCL2Spec() }
func (b *Builder) Prepare(raws ...interface{}) ([]string, []string, error) {
err := config.Decode(&b.config, &config.DecodeOpts{
PluginType: BuilderId,
Interpolate: true,
InterpolateContext: &b.config.ctx,
InterpolateFilter: &interpolate.RenderFilter{
Exclude: []string{
"boot_command",
"prlctl",
"prlctl_post",
"parallels_tools_guest_path",
},
},
}, raws...)
if err != nil {
return nil, nil, err
}
// Accumulate any errors and warnings
var errs *packersdk.MultiError
warnings := make([]string, 0)
isoWarnings, isoErrs := b.config.ISOConfig.Prepare(&b.config.ctx)
warnings = append(warnings, isoWarnings...)
errs = packersdk.MultiErrorAppend(errs, isoErrs...)
errs = packersdk.MultiErrorAppend(errs, b.config.HTTPConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(errs, b.config.FloppyConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(
errs, b.config.OutputConfig.Prepare(&b.config.ctx, &b.config.PackerConfig)...)
errs = packersdk.MultiErrorAppend(errs, b.config.HWConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(errs, b.config.PrlctlConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(errs, b.config.PrlctlPostConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(errs, b.config.PrlctlVersionConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(errs, b.config.ShutdownConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(errs, b.config.ToolsConfig.Prepare(&b.config.ctx)...)
errs = packersdk.MultiErrorAppend(errs, b.config.BootConfig.Prepare(&b.config.ctx)...)
if b.config.DiskSize == 0 {
b.config.DiskSize = 40000
}
if b.config.DiskType == "" {
b.config.DiskType = "expand"
}
if b.config.HardDriveInterface == "" {
b.config.HardDriveInterface = "sata"
}
if b.config.GuestOSType == "" {
b.config.GuestOSType = "other"
}
if len(b.config.HostInterfaces) == 0 {
b.config.HostInterfaces = []string{"en0", "en1", "en2", "en3", "en4", "en5", "en6", "en7",
"en8", "en9", "ppp0", "ppp1", "ppp2"}
}
if b.config.VMName == "" {
b.config.VMName = fmt.Sprintf("packer-%s", b.config.PackerBuildName)
}
if b.config.DiskType != "expand" && b.config.DiskType != "plain" {
errs = packersdk.MultiErrorAppend(
errs, errors.New("disk_type can only be expand, or plain"))
}
if b.config.DiskType == "plain" && !b.config.SkipCompaction {
b.config.SkipCompaction = true
warnings = append(warnings,
"'skip_compaction' is enforced to be true for plain disks.")
}
if b.config.HardDriveInterface != "ide" && b.config.HardDriveInterface != "sata" && b.config.HardDriveInterface != "scsi" {
errs = packersdk.MultiErrorAppend(
errs, errors.New("hard_drive_interface can only be ide, sata, or scsi"))
}
// Warnings
if b.config.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.")
}
if errs != nil && len(errs.Errors) > 0 {
return nil, warnings, errs
}
return nil, warnings, nil
}
func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook) (packersdk.Artifact, error) {
// Create the driver that we'll use to communicate with Parallels
driver, err := parallelscommon.NewDriver()
if err != nil {
return nil, fmt.Errorf("Failed creating Parallels driver: %s", err)
}
steps := []multistep.Step{
¶llelscommon.StepPrepareParallelsTools{
ParallelsToolsFlavor: b.config.ParallelsToolsFlavor,
ParallelsToolsMode: b.config.ParallelsToolsMode,
},
&commonsteps.StepDownload{
Checksum: b.config.ISOChecksum,
Description: "ISO",
Extension: b.config.TargetExtension,
ResultKey: "iso_path",
TargetPath: b.config.TargetPath,
Url: b.config.ISOUrls,
},
¶llelscommon.StepOutputDir{
Force: b.config.PackerForce,
Path: b.config.OutputDir,
},
&commonsteps.StepCreateFloppy{
Files: b.config.FloppyConfig.FloppyFiles,
Directories: b.config.FloppyConfig.FloppyDirectories,
Label: b.config.FloppyConfig.FloppyLabel,
},
&commonsteps.StepHTTPServer{
HTTPDir: b.config.HTTPDir,
HTTPPortMin: b.config.HTTPPortMin,
HTTPPortMax: b.config.HTTPPortMax,
HTTPAddress: b.config.HTTPAddress,
},
new(stepCreateVM),
new(stepCreateDisk),
new(stepSetBootOrder),
new(stepAttachISO),
¶llelscommon.StepAttachParallelsTools{
ParallelsToolsMode: b.config.ParallelsToolsMode,
},
new(parallelscommon.StepAttachFloppy),
¶llelscommon.StepPrlctl{
Commands: b.config.Prlctl,
Ctx: b.config.ctx,
},
¶llelscommon.StepRun{},
¶llelscommon.StepTypeBootCommand{
BootWait: b.config.BootWait,
BootCommand: b.config.FlatBootCommand(),
HostInterfaces: b.config.HostInterfaces,
VMName: b.config.VMName,
Ctx: b.config.ctx,
GroupInterval: b.config.BootConfig.BootGroupInterval,
},
&communicator.StepConnect{
Config: &b.config.SSHConfig.Comm,
Host: parallelscommon.CommHost(b.config.SSHConfig.Comm.SSHHost),
SSHConfig: b.config.SSHConfig.Comm.SSHConfigFunc(),
},
¶llelscommon.StepUploadVersion{
Path: b.config.PrlctlVersionFile,
},
¶llelscommon.StepUploadParallelsTools{
ParallelsToolsFlavor: b.config.ParallelsToolsFlavor,
ParallelsToolsGuestPath: b.config.ParallelsToolsGuestPath,
ParallelsToolsMode: b.config.ParallelsToolsMode,
Ctx: b.config.ctx,
},
new(commonsteps.StepProvision),
&commonsteps.StepCleanupTempKeys{
Comm: &b.config.SSHConfig.Comm,
},
¶llelscommon.StepShutdown{
Command: b.config.ShutdownCommand,
Timeout: b.config.ShutdownTimeout,
},
¶llelscommon.StepPrlctl{
Commands: b.config.PrlctlPost,
Ctx: b.config.ctx,
},
¶llelscommon.StepCompactDisk{
Skip: b.config.SkipCompaction,
},
}
// Setup the state bag
state := new(multistep.BasicStateBag)
state.Put("config", &b.config)
state.Put("debug", b.config.PackerDebug)
state.Put("driver", driver)
state.Put("hook", hook)
state.Put("ui", ui)
// Run
b.runner = commonsteps.NewRunnerWithPauseFn(steps, b.config.PackerConfig, ui, state)
b.runner.Run(ctx, state)
// If there was an error, return that
if rawErr, ok := state.GetOk("error"); ok {
return nil, rawErr.(error)
}
// If we were interrupted or cancelled, then just exit.
if _, ok := state.GetOk(multistep.StateCancelled); ok {
return nil, errors.New("Build was cancelled.")
}
if _, ok := state.GetOk(multistep.StateHalted); ok {
return nil, errors.New("Build was halted.")
}
generatedData := map[string]interface{}{"generated_data": state.Get("generated_data")}
return parallelscommon.NewArtifact(b.config.OutputDir, generatedData)
}