packer-cn/builder/vmware/iso/builder.go

400 lines
11 KiB
Go
Executable File

package iso
import (
"errors"
"fmt"
"io/ioutil"
"log"
"math/rand"
"os"
"strings"
"time"
"github.com/mitchellh/multistep"
vmwcommon "github.com/mitchellh/packer/builder/vmware/common"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/helper/communicator"
"github.com/mitchellh/packer/helper/config"
"github.com/mitchellh/packer/packer"
"github.com/mitchellh/packer/template/interpolate"
)
const BuilderIdESX = "mitchellh.vmware-esx"
type Builder struct {
config Config
runner multistep.Runner
}
type Config struct {
common.PackerConfig `mapstructure:",squash"`
vmwcommon.DriverConfig `mapstructure:",squash"`
vmwcommon.OutputConfig `mapstructure:",squash"`
vmwcommon.RunConfig `mapstructure:",squash"`
vmwcommon.ShutdownConfig `mapstructure:",squash"`
vmwcommon.SSHConfig `mapstructure:",squash"`
vmwcommon.ToolsConfig `mapstructure:",squash"`
vmwcommon.VMXConfig `mapstructure:",squash"`
AdditionalDiskSize []uint `mapstructure:"disk_additional_size"`
DiskName string `mapstructure:"vmdk_name"`
DiskSize uint `mapstructure:"disk_size"`
DiskTypeId string `mapstructure:"disk_type_id"`
FloppyFiles []string `mapstructure:"floppy_files"`
GuestOSType string `mapstructure:"guest_os_type"`
ISOChecksum string `mapstructure:"iso_checksum"`
ISOChecksumType string `mapstructure:"iso_checksum_type"`
ISOUrls []string `mapstructure:"iso_urls"`
Version string `mapstructure:"version"`
VMName string `mapstructure:"vm_name"`
BootCommand []string `mapstructure:"boot_command"`
SkipCompaction bool `mapstructure:"skip_compaction"`
VMXTemplatePath string `mapstructure:"vmx_template_path"`
VMXDiskTemplatePath string `mapstructure:"vmx_disk_template_path"`
RemoteType string `mapstructure:"remote_type"`
RemoteDatastore string `mapstructure:"remote_datastore"`
RemoteCacheDatastore string `mapstructure:"remote_cache_datastore"`
RemoteCacheDirectory string `mapstructure:"remote_cache_directory"`
RemoteHost string `mapstructure:"remote_host"`
RemotePort uint `mapstructure:"remote_port"`
RemoteUser string `mapstructure:"remote_username"`
RemotePassword string `mapstructure:"remote_password"`
RawSingleISOUrl string `mapstructure:"iso_url"`
ctx interpolate.Context
}
func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
err := config.Decode(&b.config, &config.DecodeOpts{
Interpolate: true,
InterpolateContext: &b.config.ctx,
InterpolateFilter: &interpolate.RenderFilter{
Exclude: []string{
"boot_command",
"tools_upload_path",
},
},
}, raws...)
if err != nil {
return nil, err
}
// Accumulate any errors and warnings
var errs *packer.MultiError
errs = packer.MultiErrorAppend(errs, b.config.DriverConfig.Prepare(&b.config.ctx)...)
errs = packer.MultiErrorAppend(errs,
b.config.OutputConfig.Prepare(&b.config.ctx, &b.config.PackerConfig)...)
errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(&b.config.ctx)...)
errs = packer.MultiErrorAppend(errs, b.config.ShutdownConfig.Prepare(&b.config.ctx)...)
errs = packer.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(&b.config.ctx)...)
errs = packer.MultiErrorAppend(errs, b.config.ToolsConfig.Prepare(&b.config.ctx)...)
errs = packer.MultiErrorAppend(errs, b.config.VMXConfig.Prepare(&b.config.ctx)...)
warnings := make([]string, 0)
if b.config.DiskName == "" {
b.config.DiskName = "disk"
}
if b.config.DiskSize == 0 {
b.config.DiskSize = 40000
}
if b.config.DiskTypeId == "" {
// Default is growable virtual disk split in 2GB files.
b.config.DiskTypeId = "1"
if b.config.RemoteType == "esx5" {
b.config.DiskTypeId = "zeroedthick"
}
}
if b.config.FloppyFiles == nil {
b.config.FloppyFiles = make([]string, 0)
}
if b.config.GuestOSType == "" {
b.config.GuestOSType = "other"
}
if b.config.VMName == "" {
b.config.VMName = fmt.Sprintf("packer-%s", b.config.PackerBuildName)
}
if b.config.Version == "" {
b.config.Version = "9"
}
if b.config.RemoteUser == "" {
b.config.RemoteUser = "root"
}
if b.config.RemoteDatastore == "" {
b.config.RemoteDatastore = "datastore1"
}
if b.config.RemoteCacheDatastore == "" {
b.config.RemoteCacheDatastore = b.config.RemoteDatastore
}
if b.config.RemoteCacheDirectory == "" {
b.config.RemoteCacheDirectory = "packer_cache"
}
if b.config.RemotePort == 0 {
b.config.RemotePort = 22
}
if b.config.ISOChecksumType == "" {
errs = packer.MultiErrorAppend(
errs, errors.New("The iso_checksum_type must be specified."))
} else {
b.config.ISOChecksumType = strings.ToLower(b.config.ISOChecksumType)
if b.config.ISOChecksumType != "none" {
if b.config.ISOChecksum == "" {
errs = packer.MultiErrorAppend(
errs, errors.New("Due to large file sizes, an iso_checksum is required"))
} else {
b.config.ISOChecksum = strings.ToLower(b.config.ISOChecksum)
}
if h := common.HashForType(b.config.ISOChecksumType); h == nil {
errs = packer.MultiErrorAppend(
errs,
fmt.Errorf("Unsupported checksum type: %s", b.config.ISOChecksumType))
}
}
}
if b.config.RawSingleISOUrl == "" && len(b.config.ISOUrls) == 0 {
errs = packer.MultiErrorAppend(
errs, errors.New("One of iso_url or iso_urls must be specified."))
} else if b.config.RawSingleISOUrl != "" && len(b.config.ISOUrls) > 0 {
errs = packer.MultiErrorAppend(
errs, errors.New("Only one of iso_url or iso_urls may be specified."))
} else if b.config.RawSingleISOUrl != "" {
b.config.ISOUrls = []string{b.config.RawSingleISOUrl}
}
for i, url := range b.config.ISOUrls {
b.config.ISOUrls[i], err = common.DownloadableURL(url)
if err != nil {
errs = packer.MultiErrorAppend(
errs, fmt.Errorf("Failed to parse iso_url %d: %s", i+1, err))
}
}
if b.config.VMXTemplatePath != "" {
if err := b.validateVMXTemplatePath(); err != nil {
errs = packer.MultiErrorAppend(
errs, fmt.Errorf("vmx_template_path is invalid: %s", err))
}
}
// Remote configuration validation
if b.config.RemoteType != "" {
if b.config.RemoteHost == "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("remote_host must be specified"))
}
}
// Warnings
if b.config.ISOChecksumType == "none" {
warnings = append(warnings,
"A checksum type of 'none' was specified. Since ISO files are so big,\n"+
"a checksum is highly recommended.")
}
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 warnings, errs
}
return warnings, nil
}
func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
driver, err := NewDriver(&b.config)
if err != nil {
return nil, fmt.Errorf("Failed creating VMware driver: %s", err)
}
// Determine the output dir implementation
var dir OutputDir
switch d := driver.(type) {
case OutputDir:
dir = d
default:
dir = new(vmwcommon.LocalOutputDir)
}
dir.SetOutputDir(b.config.OutputDir)
// Setup the state bag
state := new(multistep.BasicStateBag)
state.Put("cache", cache)
state.Put("config", &b.config)
state.Put("dir", dir)
state.Put("driver", driver)
state.Put("hook", hook)
state.Put("ui", ui)
// Seed the random number generator
rand.Seed(time.Now().UTC().UnixNano())
steps := []multistep.Step{
&vmwcommon.StepPrepareTools{
RemoteType: b.config.RemoteType,
ToolsUploadFlavor: b.config.ToolsUploadFlavor,
},
&common.StepDownload{
Checksum: b.config.ISOChecksum,
ChecksumType: b.config.ISOChecksumType,
Description: "ISO",
ResultKey: "iso_path",
Url: b.config.ISOUrls,
},
&vmwcommon.StepOutputDir{
Force: b.config.PackerForce,
},
&common.StepCreateFloppy{
Files: b.config.FloppyFiles,
},
&stepRemoteUpload{
Key: "floppy_path",
Message: "Uploading Floppy to remote machine...",
},
&stepRemoteUpload{
Key: "iso_path",
Message: "Uploading ISO to remote machine...",
},
&stepCreateDisk{},
&stepCreateVMX{},
&vmwcommon.StepConfigureVMX{
CustomData: b.config.VMXData,
},
&vmwcommon.StepSuppressMessages{},
&vmwcommon.StepHTTPServer{
HTTPDir: b.config.HTTPDir,
HTTPPortMin: b.config.HTTPPortMin,
HTTPPortMax: b.config.HTTPPortMax,
},
&vmwcommon.StepConfigureVNC{
VNCPortMin: b.config.VNCPortMin,
VNCPortMax: b.config.VNCPortMax,
},
&StepRegister{},
&vmwcommon.StepRun{
BootWait: b.config.BootWait,
DurationBeforeStop: 5 * time.Second,
Headless: b.config.Headless,
},
&vmwcommon.StepTypeBootCommand{
BootCommand: b.config.BootCommand,
VMName: b.config.VMName,
Ctx: b.config.ctx,
},
&communicator.StepConnect{
Config: &b.config.SSHConfig.Comm,
Host: driver.CommHost,
SSHConfig: vmwcommon.SSHConfigFunc(&b.config.SSHConfig),
},
&vmwcommon.StepUploadTools{
RemoteType: b.config.RemoteType,
ToolsUploadFlavor: b.config.ToolsUploadFlavor,
ToolsUploadPath: b.config.ToolsUploadPath,
Ctx: b.config.ctx,
},
&common.StepProvision{},
&vmwcommon.StepShutdown{
Command: b.config.ShutdownCommand,
Timeout: b.config.ShutdownTimeout,
},
&vmwcommon.StepCleanFiles{},
&vmwcommon.StepConfigureVMX{
CustomData: b.config.VMXDataPost,
SkipFloppy: true,
},
&vmwcommon.StepCleanVMX{},
&StepUploadVMX{
RemoteType: b.config.RemoteType,
},
&vmwcommon.StepCompactDisk{
Skip: b.config.SkipCompaction,
},
}
// Run!
if b.config.PackerDebug {
b.runner = &multistep.DebugRunner{
Steps: steps,
PauseFn: common.MultistepDebugFn(ui),
}
} else {
b.runner = &multistep.BasicRunner{Steps: steps}
}
b.runner.Run(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.")
}
// Compile the artifact list
files, err := state.Get("dir").(OutputDir).ListFiles()
if err != nil {
return nil, err
}
// Set the proper builder ID
builderId := vmwcommon.BuilderId
if b.config.RemoteType != "" {
builderId = BuilderIdESX
}
return &Artifact{
builderId: builderId,
dir: dir,
f: files,
}, nil
}
func (b *Builder) Cancel() {
if b.runner != nil {
log.Println("Cancelling the step runner...")
b.runner.Cancel()
}
}
func (b *Builder) validateVMXTemplatePath() error {
f, err := os.Open(b.config.VMXTemplatePath)
if err != nil {
return err
}
defer f.Close()
data, err := ioutil.ReadAll(f)
if err != nil {
return err
}
return interpolate.Validate(string(data), &b.config.ctx)
}