cadf3a5d6a
Halts the build when the VM does not shutdown within the timeout period Implemented with interruptible_wait, so step_wait is also interruptible
402 lines
11 KiB
Go
402 lines
11 KiB
Go
package xenserver
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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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"github.com/mitchellh/packer/common"
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commonssh "github.com/mitchellh/packer/common/ssh"
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"github.com/mitchellh/packer/packer"
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"log"
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"os"
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"time"
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)
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// Set the unique ID for this builder
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const BuilderId = "packer.xenserver"
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type config struct {
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common.PackerConfig `mapstructure:",squash"`
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Username string `mapstructure:"username"`
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Password string `mapstructure:"password"`
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HostIp string `mapstructure:"host_ip"`
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IsoUrl string `mapstructure:"iso_url"`
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InstanceName string `mapstructure:"instance_name"`
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InstanceMemory string `mapstructure:"instance_memory"`
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RootDiskSize string `mapstructure:"root_disk_size"`
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CloneTemplate string `mapstructure:"clone_template"`
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IsoName string `mapstructure:"iso_name"`
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SrName string `mapstructure:"sr_name"`
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NetworkName string `mapstructure:"network_name"`
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HostPortMin uint `mapstructure:"host_port_min"`
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HostPortMax uint `mapstructure:"host_port_max"`
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BootCommand []string `mapstructure:"boot_command"`
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RawBootWait string `mapstructure:"boot_wait"`
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BootWait time.Duration ``
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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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ISOUrl string `mapstructure:"iso_url"`
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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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LocalIp string `mapstructure:"local_ip"`
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PlatformArgs map[string]string `mapstructure:"platform_args"`
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RawInstallTimeout string `mapstructure:"install_timeout"`
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InstallTimeout time.Duration ``
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RawSSHWaitTimeout string `mapstructure:"ssh_wait_timeout"`
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SSHWaitTimeout time.Duration ``
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SSHPassword string `mapstructure:"ssh_password"`
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SSHUser string `mapstructure:"ssh_username"`
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SSHKeyPath string `mapstructure:"ssh_key_path"`
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OutputDir string `mapstructure:"output_directory"`
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tpl *packer.ConfigTemplate
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}
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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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func (self *Builder) Prepare(raws ...interface{}) (params []string, retErr error) {
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md, err := common.DecodeConfig(&self.config, raws...)
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if err != nil {
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return nil, err
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}
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errs := common.CheckUnusedConfig(md)
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if errs == nil {
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errs = &packer.MultiError{}
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}
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self.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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// Set default vaules
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if self.config.HostPortMin == 0 {
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self.config.HostPortMin = 5900
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}
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if self.config.HostPortMax == 0 {
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self.config.HostPortMax = 6000
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}
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if self.config.RawBootWait == "" {
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self.config.RawBootWait = "5s"
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}
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if self.config.RawInstallTimeout == "" {
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self.config.RawInstallTimeout = "200m"
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}
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if self.config.HTTPPortMin == 0 {
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self.config.HTTPPortMin = 8000
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}
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if self.config.HTTPPortMax == 0 {
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self.config.HTTPPortMax = 9000
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}
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if self.config.RawSSHWaitTimeout == "" {
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self.config.RawSSHWaitTimeout = "200m"
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}
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if self.config.OutputDir == "" {
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self.config.OutputDir = fmt.Sprintf("output-%s", self.config.PackerBuildName)
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}
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templates := map[string]*string{
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"username": &self.config.Username,
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"password": &self.config.Password,
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"host_ip": &self.config.HostIp,
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"iso_url": &self.config.IsoUrl,
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"instance_name": &self.config.InstanceName,
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"instance_memory": &self.config.InstanceMemory,
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"root_disk_size": &self.config.RootDiskSize,
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"clone_template": &self.config.CloneTemplate,
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"iso_name": &self.config.IsoName,
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"sr_name": &self.config.SrName,
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"network_name": &self.config.NetworkName,
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"boot_wait": &self.config.RawBootWait,
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"iso_checksum": &self.config.ISOChecksum,
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"iso_checksum_type": &self.config.ISOChecksumType,
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"http_directory": &self.config.HTTPDir,
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"local_ip": &self.config.LocalIp,
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"install_timeout": &self.config.RawInstallTimeout,
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"ssh_wait_timeout": &self.config.RawSSHWaitTimeout,
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"ssh_username": &self.config.SSHUser,
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"ssh_password": &self.config.SSHPassword,
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"ssh_key_path": &self.config.SSHKeyPath,
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"output_directory": &self.config.OutputDir,
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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 = self.config.tpl.Process(*ptr, nil)
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if err != nil {
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errs = packer.MultiErrorAppend(errs, fmt.Errorf("Error processing %s: %s", n, err))
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}
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}
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/*
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if self.config.IsoUrl == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("a iso url must be specified"))
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}
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*/
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self.config.BootWait, err = time.ParseDuration(self.config.RawBootWait)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, errors.New("Failed to parse boot_wait."))
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}
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self.config.SSHWaitTimeout, err = time.ParseDuration(self.config.RawSSHWaitTimeout)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Failed to parse ssh_wait_timeout: %s", err))
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}
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self.config.InstallTimeout, err = time.ParseDuration(self.config.RawInstallTimeout)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Failed to parse install_timeout: %s", err))
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}
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for i, command := range self.config.BootCommand {
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if err := self.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 self.config.SSHUser == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("An ssh_username must be specified."))
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}
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if self.config.SSHKeyPath != "" {
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if _, err := os.Stat(self.config.SSHKeyPath); err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("ssh_key_path is invalid: %s", err))
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} else if _, err := commonssh.FileSigner(self.config.SSHKeyPath); err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("ssh_key_path is invalid: %s", err))
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}
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}
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if self.config.Username == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("A username for the xenserver host must be specified."))
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}
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if self.config.Password == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("A password for the xenserver host must be specified."))
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}
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if self.config.HostIp == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("An ip for the xenserver host must be specified."))
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}
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if self.config.InstanceName == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("An insatnce name must be specified."))
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}
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if self.config.InstanceMemory == "" {
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self.config.InstanceMemory = "1024000000"
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}
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if self.config.RootDiskSize == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("A root disk size must be specified."))
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}
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if self.config.CloneTemplate == "" {
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self.config.CloneTemplate = "Other install media"
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}
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/*
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if self.config.LocalIp == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("A local IP visible to XenServer's mangement interface is required to serve files."))
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}
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*/
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if len(self.config.PlatformArgs) == 0 {
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pargs := make(map[string]string)
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pargs["viridian"] = "false"
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pargs["nx"] = "true"
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pargs["pae"] = "true"
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pargs["apic"] = "true"
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pargs["timeoffset"] = "0"
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pargs["acpi"] = "1"
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self.config.PlatformArgs = pargs
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}
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if self.config.HTTPPortMin > self.config.HTTPPortMax {
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errs = packer.MultiErrorAppend(
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errs, errors.New("the HTTP min port must be less than the max"))
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}
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if self.config.HostPortMin > self.config.HostPortMax {
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errs = packer.MultiErrorAppend(
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errs, errors.New("the host min port must be less than the max"))
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}
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/*
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if self.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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self.config.ISOChecksumType = strings.ToLower(self.config.ISOChecksumType)
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if self.config.ISOChecksumType != "none" {
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if self.config.ISOChecksum == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("Due to the file size being large, an iso_checksum is required."))
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} else {
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self.config.ISOChecksum = strings.ToLower(self.config.ISOChecksum)
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}
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if hash := common.HashForType(self.config.ISOChecksumType); hash == nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Unsupported checksum type: %s", self.config.ISOChecksumType))
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}
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}
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}
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if self.config.ISOUrl == "" {
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errs = packer.MultiErrorAppend(
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errs, errors.New("A ISO URL must be specfied."))
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} else {
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self.config.ISOUrls = []string{self.config.ISOUrl}
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}
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for i, url := range self.config.ISOUrls {
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self.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 the iso_url (%d): %s", i, err))
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}
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}
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*/
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if len(errs.Errors) > 0 {
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retErr = errors.New(errs.Error())
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}
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return nil, retErr
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}
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func (self *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
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//Setup XAPI client
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client := NewXenAPIClient(self.config.HostIp, self.config.Username, self.config.Password)
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err := client.Login()
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if err != nil {
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return nil, err.(error)
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}
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ui.Say("XAPI client session established")
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client.GetHosts()
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//Share state between the other steps using a statebag
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state := new(multistep.BasicStateBag)
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state.Put("cache", cache)
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state.Put("client", client)
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state.Put("config", self.config)
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state.Put("hook", hook)
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state.Put("ui", ui)
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//Build the steps
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steps := []multistep.Step{
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/*
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&common.StepDownload{
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Checksum: self.config.ISOChecksum,
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ChecksumType: self.config.ISOChecksumType,
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Description: "ISO",
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ResultKey: "iso_path",
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Url: self.config.ISOUrls,
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},
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*/
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new(stepPrepareOutputDir),
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new(stepHTTPServer),
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//new(stepUploadIso),
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new(stepCreateInstance),
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new(stepStartVmPaused),
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new(stepGetVNCPort),
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&stepForwardPortOverSSH{
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RemotePort: instanceVNCPort,
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RemoteDest: instanceVNCIP,
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HostPortMin: self.config.HostPortMin,
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HostPortMax: self.config.HostPortMax,
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ResultKey: "local_vnc_port",
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},
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new(stepBootWait),
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new(stepTypeBootCommand),
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new(stepWait),
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new(stepStartOnHIMN),
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&stepForwardPortOverSSH{
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RemotePort: himnSSHPort,
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RemoteDest: himnSSHIP,
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HostPortMin: self.config.HostPortMin,
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HostPortMax: self.config.HostPortMax,
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ResultKey: "local_ssh_port",
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},
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&common.StepConnectSSH{
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SSHAddress: sshLocalAddress,
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SSHConfig: sshConfig,
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SSHWaitTimeout: self.config.SSHWaitTimeout,
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},
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new(common.StepProvision),
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new(stepShutdownAndExport),
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}
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self.runner = &multistep.BasicRunner{Steps: steps}
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self.runner.Run(state)
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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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artifact, _ := NewArtifact(self.config.OutputDir)
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return artifact, nil
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}
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func (self *Builder) Cancel() {
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if self.runner != nil {
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log.Println("Cancelling the step runner...")
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self.runner.Cancel()
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}
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fmt.Println("Cancelling the builder")
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}
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