mirror of https://github.com/hashicorp/packer
Merge pull request #8246 from hashicorp/fix_8089
Add the additional_disk_size option tho the hyperv vmcx builder.pull/8280/head
Megan Marsh
6 years ago
committed by
GitHub
commit
eccdb44e3b
@ -0,0 +1,398 @@
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//go:generate struct-markdown
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package common
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import (
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"fmt"
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"log"
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"os"
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"strings"
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"github.com/hashicorp/packer/common"
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powershell "github.com/hashicorp/packer/common/powershell"
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"github.com/hashicorp/packer/common/powershell/hyperv"
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"github.com/hashicorp/packer/template/interpolate"
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)
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const (
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DefaultDiskSize = 40 * 1024 // ~40GB
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MinDiskSize = 256 // 256MB
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MaxDiskSize = 64 * 1024 * 1024 // 64TB
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MaxVHDSize = 2040 * 1024 // 2040GB
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DefaultDiskBlockSize = 32 // 32MB
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MinDiskBlockSize = 1 // 1MB
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MaxDiskBlockSize = 256 // 256MB
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DefaultRamSize = 1 * 1024 // 1GB
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MinRamSize = 32 // 32MB
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MaxRamSize = 32 * 1024 // 32GB
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MinNestedVirtualizationRamSize = 4 * 1024 // 4GB
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LowRam = 256 // 256MB
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DefaultUsername = ""
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DefaultPassword = ""
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)
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type CommonConfig struct {
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common.FloppyConfig `mapstructure:",squash"`
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// The block size of the VHD to be created.
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// Recommended disk block size for Linux hyper-v guests is 1 MiB. This
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// defaults to "32" MiB.
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DiskBlockSize uint `mapstructure:"disk_block_size" required:"false"`
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// The amount, in megabytes, of RAM to assign to the
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// VM. By default, this is 1 GB.
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RamSize uint `mapstructure:"memory" required:"false"`
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// A list of ISO paths to
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// attach to a VM when it is booted. This is most useful for unattended
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// Windows installs, which look for an Autounattend.xml file on removable
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// media. By default, no secondary ISO will be attached.
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SecondaryDvdImages []string `mapstructure:"secondary_iso_images" required:"false"`
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// The size or sizes of any
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// additional hard disks for the VM in megabytes. If this is not specified
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// then the VM will only contain a primary hard disk. Additional drives
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// will be attached to the SCSI interface only. The builder uses
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// expandable rather than fixed-size virtual hard disks, so the actual
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// file representing the disk will not use the full size unless it is
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// full.
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AdditionalDiskSize []uint `mapstructure:"disk_additional_size" required:"false"`
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// If set to attach then attach and
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// mount the ISO image specified in guest_additions_path. If set to
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// none then guest additions are not attached and mounted; This is the
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// default.
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GuestAdditionsMode string `mapstructure:"guest_additions_mode" required:"false"`
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// The path to the ISO image for guest
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// additions.
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GuestAdditionsPath string `mapstructure:"guest_additions_path" required:"false"`
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// This is the name of the new virtual machine,
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// without the file extension. By default this is "packer-BUILDNAME",
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// where "BUILDNAME" is the name of the build.
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VMName string `mapstructure:"vm_name" required:"false"`
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// The name of the switch to connect the virtual
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// machine to. By default, leaving this value unset will cause Packer to
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// try and determine the switch to use by looking for an external switch
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// that is up and running.
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SwitchName string `mapstructure:"switch_name" required:"false"`
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// This is the VLAN of the virtual switch's
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// network card. By default none is set. If none is set then a VLAN is not
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// set on the switch's network card. If this value is set it should match
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// the VLAN specified in by vlan_id.
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SwitchVlanId string `mapstructure:"switch_vlan_id" required:"false"`
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// This allows a specific MAC address to be used on
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// the default virtual network card. The MAC address must be a string with
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// no delimiters, for example "0000deadbeef".
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MacAddress string `mapstructure:"mac_address" required:"false"`
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// This is the VLAN of the virtual machine's network
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// card for the new virtual machine. By default none is set. If none is set
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// then VLANs are not set on the virtual machine's network card.
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VlanId string `mapstructure:"vlan_id" required:"false"`
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// The number of CPUs the virtual machine should use. If
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// this isn't specified, the default is 1 CPU.
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Cpu uint `mapstructure:"cpus" required:"false"`
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// The Hyper-V generation for the virtual machine. By
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// default, this is 1. Generation 2 Hyper-V virtual machines do not support
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// floppy drives. In this scenario use secondary_iso_images instead. Hard
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// drives and DVD drives will also be SCSI and not IDE.
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Generation uint `mapstructure:"generation" required:"false"`
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// If true enable MAC address spoofing
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// for the virtual machine. This defaults to false.
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EnableMacSpoofing bool `mapstructure:"enable_mac_spoofing" required:"false"`
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// If true enable dynamic memory for
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// the virtual machine. This defaults to false.
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EnableDynamicMemory bool `mapstructure:"enable_dynamic_memory" required:"false"`
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// If true enable secure boot for the
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// virtual machine. This defaults to false. See secure_boot_template
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// below for additional settings.
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EnableSecureBoot bool `mapstructure:"enable_secure_boot" required:"false"`
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// The secure boot template to be
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// configured. Valid values are "MicrosoftWindows" (Windows) or
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// "MicrosoftUEFICertificateAuthority" (Linux). This only takes effect if
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// enable_secure_boot is set to "true". This defaults to "MicrosoftWindows".
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SecureBootTemplate string `mapstructure:"secure_boot_template" required:"false"`
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// If true enable
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// virtualization extensions for the virtual machine. This defaults to
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// false. For nested virtualization you need to enable MAC spoofing,
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// disable dynamic memory and have at least 4GB of RAM assigned to the
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// virtual machine.
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EnableVirtualizationExtensions bool `mapstructure:"enable_virtualization_extensions" required:"false"`
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// The location under which Packer will create a directory to house all the
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// VM files and folders during the build. By default `%TEMP%` is used
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// which, for most systems, will evaluate to
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// `%USERPROFILE%/AppData/Local/Temp`.
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//
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// The build directory housed under `temp_path` will have a name similar to
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// `packerhv1234567`. The seven digit number at the end of the name is
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// automatically generated by Packer to ensure the directory name is
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// unique.
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TempPath string `mapstructure:"temp_path" required:"false"`
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// This allows you to set the vm version when calling New-VM to generate
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// the vm.
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Version string `mapstructure:"configuration_version" required:"false"`
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// If "true", Packer will not delete the VM from
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// The Hyper-V manager.
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KeepRegistered bool `mapstructure:"keep_registered" required:"false"`
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Communicator string `mapstructure:"communicator"`
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// If true skip compacting the hard disk for
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// the virtual machine when exporting. This defaults to false.
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SkipCompaction bool `mapstructure:"skip_compaction" required:"false"`
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// If true Packer will skip the export of the VM.
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// If you are interested only in the VHD/VHDX files, you can enable this
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// option. The resulting VHD/VHDX file will be output to
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// <output_directory>/Virtual Hard Disks. By default this option is false
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// and Packer will export the VM to output_directory.
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SkipExport bool `mapstructure:"skip_export" required:"false"`
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// Packer defaults to building Hyper-V virtual
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// machines by launching a GUI that shows the console of the machine being
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// built. When this value is set to true, the machine will start without a
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// console.
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Headless bool `mapstructure:"headless" required:"false"`
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}
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func (c *CommonConfig) Prepare(ctx *interpolate.Context, pc *common.PackerConfig) ([]error, []string) {
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// Accumulate any errors and warns
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var errs []error
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var warns []string
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if c.VMName == "" {
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c.VMName = fmt.Sprintf("packer-%s", pc.PackerBuildName)
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log.Println(fmt.Sprintf("%s: %v", "VMName", c.VMName))
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}
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if c.SwitchName == "" {
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c.SwitchName = c.detectSwitchName(pc.PackerBuildName)
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log.Println(fmt.Sprintf("Using switch %s", c.SwitchName))
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}
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if c.Generation < 1 || c.Generation > 2 {
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c.Generation = 1
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}
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if c.Generation == 2 {
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if len(c.FloppyFiles) > 0 || len(c.FloppyDirectories) > 0 {
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err := fmt.Errorf("Generation 2 vms don't support floppy drives. Use ISO image instead.")
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errs = append(errs, err)
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}
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}
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if len(c.AdditionalDiskSize) > 64 {
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errs = append(errs, fmt.Errorf("VM's currently support a maximum of 64 additional SCSI attached disks."))
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}
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// Errors
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floppyerrs := c.FloppyConfig.Prepare(ctx)
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errs = append(errs, floppyerrs...)
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if c.GuestAdditionsMode == "" {
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if c.GuestAdditionsPath != "" {
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c.GuestAdditionsMode = "attach"
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} else {
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c.GuestAdditionsPath = os.Getenv("WINDIR") + "\\system32\\vmguest.iso"
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if _, err := os.Stat(c.GuestAdditionsPath); os.IsNotExist(err) {
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if err != nil {
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c.GuestAdditionsPath = ""
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c.GuestAdditionsMode = "none"
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} else {
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c.GuestAdditionsMode = "attach"
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}
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}
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}
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}
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if c.GuestAdditionsPath == "" && c.GuestAdditionsMode == "attach" {
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c.GuestAdditionsPath = os.Getenv("WINDIR") + "\\system32\\vmguest.iso"
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if _, err := os.Stat(c.GuestAdditionsPath); os.IsNotExist(err) {
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if err != nil {
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c.GuestAdditionsPath = ""
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}
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}
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}
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for _, isoPath := range c.SecondaryDvdImages {
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if _, err := os.Stat(isoPath); os.IsNotExist(err) {
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if err != nil {
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errs = append(
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errs, fmt.Errorf("Secondary Dvd image does not exist: %s", err))
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}
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}
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}
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numberOfIsos := len(c.SecondaryDvdImages)
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if c.GuestAdditionsMode == "attach" {
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if _, err := os.Stat(c.GuestAdditionsPath); os.IsNotExist(err) {
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if err != nil {
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errs = append(
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errs, fmt.Errorf("Guest additions iso does not exist: %s", err))
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}
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}
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numberOfIsos = numberOfIsos + 1
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}
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if c.Generation < 2 && numberOfIsos > 2 {
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if c.GuestAdditionsMode == "attach" {
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errs = append(errs, fmt.Errorf("There are only 2 ide controllers available, so "+
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"we can't support guest additions and these secondary dvds: %s",
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strings.Join(c.SecondaryDvdImages, ", ")))
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} else {
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errs = append(errs, fmt.Errorf("There are only 2 ide controllers available, so "+
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"we can't support these secondary dvds: %s",
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strings.Join(c.SecondaryDvdImages, ", ")))
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}
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} else if c.Generation > 1 && len(c.SecondaryDvdImages) > 16 {
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if c.GuestAdditionsMode == "attach" {
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errs = append(errs, fmt.Errorf("There are not enough drive letters available for "+
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"scsi (limited to 16), so we can't support guest additions and these secondary dvds: %s",
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strings.Join(c.SecondaryDvdImages, ", ")))
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} else {
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errs = append(errs, fmt.Errorf("There are not enough drive letters available for "+
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"scsi (limited to 16), so we can't support these secondary dvds: %s",
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strings.Join(c.SecondaryDvdImages, ", ")))
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}
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}
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if c.EnableVirtualizationExtensions {
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hasVirtualMachineVirtualizationExtensions, err := powershell.HasVirtualMachineVirtualizationExtensions()
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if err != nil {
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errs = append(errs, fmt.Errorf("Failed detecting virtual machine virtualization "+
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"extensions support: %s", err))
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} else {
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if !hasVirtualMachineVirtualizationExtensions {
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errs = append(errs, fmt.Errorf("This version of Hyper-V does not support "+
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"virtual machine virtualization extension. Please use Windows 10 or Windows Server 2016 "+
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"or newer."))
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}
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}
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}
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if c.EnableVirtualizationExtensions {
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if c.EnableDynamicMemory {
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warning := fmt.Sprintf("For nested virtualization, when virtualization extension is enabled, " +
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"dynamic memory should not be allowed.")
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warns = Appendwarns(warns, warning)
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}
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if !c.EnableMacSpoofing {
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warning := fmt.Sprintf("For nested virtualization, when virtualization extension is enabled, " +
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"mac spoofing should be allowed.")
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warns = Appendwarns(warns, warning)
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}
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if c.RamSize < MinNestedVirtualizationRamSize {
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warning := fmt.Sprintf("For nested virtualization, when virtualization extension is enabled, " +
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"there should be 4GB or more memory set for the vm, otherwise Hyper-V may fail to start " +
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"any nested VMs.")
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warns = Appendwarns(warns, warning)
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}
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}
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if c.SwitchVlanId != "" {
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if c.SwitchVlanId != c.VlanId {
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warning := fmt.Sprintf("Switch network adaptor vlan should match virtual machine network adaptor " +
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"vlan. The switch will not be able to see traffic from the VM.")
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warns = Appendwarns(warns, warning)
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}
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}
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err := c.checkDiskBlockSize()
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if err != nil {
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errs = append(errs, err)
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}
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err = c.checkRamSize()
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if err != nil {
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errs = append(errs, err)
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}
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// warns
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warning := c.checkHostAvailableMemory()
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if warning != "" {
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warns = Appendwarns(warns, warning)
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}
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if errs != nil && len(errs) > 0 {
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return errs, warns
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}
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return nil, warns
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}
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func (c *CommonConfig) checkDiskBlockSize() error {
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if c.DiskBlockSize == 0 {
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c.DiskBlockSize = DefaultDiskBlockSize
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}
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log.Println(fmt.Sprintf("%s: %v", "DiskBlockSize", c.DiskBlockSize))
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if c.DiskBlockSize < MinDiskBlockSize {
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return fmt.Errorf("disk_block_size: Virtual machine requires disk block size >= %v MB, but defined: %v",
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MinDiskBlockSize, c.DiskBlockSize)
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} else if c.DiskBlockSize > MaxDiskBlockSize {
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return fmt.Errorf("disk_block_size: Virtual machine requires disk block size <= %v MB, but defined: %v",
|
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MaxDiskBlockSize, c.DiskBlockSize)
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}
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return nil
|
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}
|
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func (c *CommonConfig) checkHostAvailableMemory() string {
|
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powershellAvailable, _, _ := powershell.IsPowershellAvailable()
|
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|
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if powershellAvailable {
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freeMB := powershell.GetHostAvailableMemory()
|
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if (freeMB - float64(c.RamSize)) < LowRam {
|
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return fmt.Sprintf("Hyper-V might fail to create a VM if there is not enough free memory in the system.")
|
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}
|
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}
|
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|
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return ""
|
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}
|
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|
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func (c *CommonConfig) checkRamSize() error {
|
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if c.RamSize == 0 {
|
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c.RamSize = DefaultRamSize
|
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}
|
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|
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log.Println(fmt.Sprintf("%s: %v", "RamSize", c.RamSize))
|
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|
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if c.RamSize < MinRamSize {
|
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return fmt.Errorf("memory: Virtual machine requires memory size >= %v MB, but defined: %v",
|
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MinRamSize, c.RamSize)
|
||||
} else if c.RamSize > MaxRamSize {
|
||||
return fmt.Errorf("memory: Virtual machine requires memory size <= %v MB, but defined: %v",
|
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MaxRamSize, c.RamSize)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
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func (c *CommonConfig) detectSwitchName(buildName string) string {
|
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powershellAvailable, _, _ := powershell.IsPowershellAvailable()
|
||||
|
||||
if powershellAvailable {
|
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// no switch name, try to get one attached to a online network adapter
|
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onlineSwitchName, err := hyperv.GetExternalOnlineVirtualSwitch()
|
||||
if onlineSwitchName != "" && err == nil {
|
||||
return onlineSwitchName
|
||||
}
|
||||
}
|
||||
|
||||
return fmt.Sprintf("packer-%s", buildName)
|
||||
}
|
||||
|
||||
func Appendwarns(slice []string, data ...string) []string {
|
||||
m := len(slice)
|
||||
n := m + len(data)
|
||||
if n > cap(slice) { // if necessary, reallocate
|
||||
// allocate double what's needed, for future growth.
|
||||
newSlice := make([]string, (n+1)*2)
|
||||
copy(newSlice, slice)
|
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slice = newSlice
|
||||
}
|
||||
slice = slice[0:n]
|
||||
copy(slice[m:n], data)
|
||||
return slice
|
||||
}
|
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@ -0,0 +1,112 @@
|
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<!-- Code generated from the comments of the CommonConfig struct in builder/hyperv/common/config.go; DO NOT EDIT MANUALLY -->
|
||||
|
||||
- `disk_block_size` (uint) - The block size of the VHD to be created.
|
||||
Recommended disk block size for Linux hyper-v guests is 1 MiB. This
|
||||
defaults to "32" MiB.
|
||||
|
||||
- `memory` (uint) - The amount, in megabytes, of RAM to assign to the
|
||||
VM. By default, this is 1 GB.
|
||||
|
||||
- `secondary_iso_images` ([]string) - A list of ISO paths to
|
||||
attach to a VM when it is booted. This is most useful for unattended
|
||||
Windows installs, which look for an Autounattend.xml file on removable
|
||||
media. By default, no secondary ISO will be attached.
|
||||
|
||||
- `disk_additional_size` ([]uint) - The size or sizes of any
|
||||
additional hard disks for the VM in megabytes. If this is not specified
|
||||
then the VM will only contain a primary hard disk. Additional drives
|
||||
will be attached to the SCSI interface only. The builder uses
|
||||
expandable rather than fixed-size virtual hard disks, so the actual
|
||||
file representing the disk will not use the full size unless it is
|
||||
full.
|
||||
|
||||
- `guest_additions_mode` (string) - If set to attach then attach and
|
||||
mount the ISO image specified in guest_additions_path. If set to
|
||||
none then guest additions are not attached and mounted; This is the
|
||||
default.
|
||||
|
||||
- `guest_additions_path` (string) - The path to the ISO image for guest
|
||||
additions.
|
||||
|
||||
- `vm_name` (string) - This is the name of the new virtual machine,
|
||||
without the file extension. By default this is "packer-BUILDNAME",
|
||||
where "BUILDNAME" is the name of the build.
|
||||
|
||||
- `switch_name` (string) - The name of the switch to connect the virtual
|
||||
machine to. By default, leaving this value unset will cause Packer to
|
||||
try and determine the switch to use by looking for an external switch
|
||||
that is up and running.
|
||||
|
||||
- `switch_vlan_id` (string) - This is the VLAN of the virtual switch's
|
||||
network card. By default none is set. If none is set then a VLAN is not
|
||||
set on the switch's network card. If this value is set it should match
|
||||
the VLAN specified in by vlan_id.
|
||||
|
||||
- `mac_address` (string) - This allows a specific MAC address to be used on
|
||||
the default virtual network card. The MAC address must be a string with
|
||||
no delimiters, for example "0000deadbeef".
|
||||
|
||||
- `vlan_id` (string) - This is the VLAN of the virtual machine's network
|
||||
card for the new virtual machine. By default none is set. If none is set
|
||||
then VLANs are not set on the virtual machine's network card.
|
||||
|
||||
- `cpus` (uint) - The number of CPUs the virtual machine should use. If
|
||||
this isn't specified, the default is 1 CPU.
|
||||
|
||||
- `generation` (uint) - The Hyper-V generation for the virtual machine. By
|
||||
default, this is 1. Generation 2 Hyper-V virtual machines do not support
|
||||
floppy drives. In this scenario use secondary_iso_images instead. Hard
|
||||
drives and DVD drives will also be SCSI and not IDE.
|
||||
|
||||
- `enable_mac_spoofing` (bool) - If true enable MAC address spoofing
|
||||
for the virtual machine. This defaults to false.
|
||||
|
||||
- `enable_dynamic_memory` (bool) - If true enable dynamic memory for
|
||||
the virtual machine. This defaults to false.
|
||||
|
||||
- `enable_secure_boot` (bool) - If true enable secure boot for the
|
||||
virtual machine. This defaults to false. See secure_boot_template
|
||||
below for additional settings.
|
||||
|
||||
- `secure_boot_template` (string) - The secure boot template to be
|
||||
configured. Valid values are "MicrosoftWindows" (Windows) or
|
||||
"MicrosoftUEFICertificateAuthority" (Linux). This only takes effect if
|
||||
enable_secure_boot is set to "true". This defaults to "MicrosoftWindows".
|
||||
|
||||
- `enable_virtualization_extensions` (bool) - If true enable
|
||||
virtualization extensions for the virtual machine. This defaults to
|
||||
false. For nested virtualization you need to enable MAC spoofing,
|
||||
disable dynamic memory and have at least 4GB of RAM assigned to the
|
||||
virtual machine.
|
||||
|
||||
- `temp_path` (string) - The location under which Packer will create a directory to house all the
|
||||
VM files and folders during the build. By default `%TEMP%` is used
|
||||
which, for most systems, will evaluate to
|
||||
`%USERPROFILE%/AppData/Local/Temp`.
|
||||
|
||||
The build directory housed under `temp_path` will have a name similar to
|
||||
`packerhv1234567`. The seven digit number at the end of the name is
|
||||
automatically generated by Packer to ensure the directory name is
|
||||
unique.
|
||||
|
||||
- `configuration_version` (string) - This allows you to set the vm version when calling New-VM to generate
|
||||
the vm.
|
||||
|
||||
- `keep_registered` (bool) - If "true", Packer will not delete the VM from
|
||||
The Hyper-V manager.
|
||||
|
||||
- `communicator` (string) - Communicator
|
||||
- `skip_compaction` (bool) - If true skip compacting the hard disk for
|
||||
the virtual machine when exporting. This defaults to false.
|
||||
|
||||
- `skip_export` (bool) - If true Packer will skip the export of the VM.
|
||||
If you are interested only in the VHD/VHDX files, you can enable this
|
||||
option. The resulting VHD/VHDX file will be output to
|
||||
<output_directory>/Virtual Hard Disks. By default this option is false
|
||||
and Packer will export the VM to output_directory.
|
||||
|
||||
- `headless` (bool) - Packer defaults to building Hyper-V virtual
|
||||
machines by launching a GUI that shows the console of the machine being
|
||||
built. When this value is set to true, the machine will start without a
|
||||
console.
|
||||
|
||||
Loading…
Reference in new issue