268 lines
9.2 KiB
Go
268 lines
9.2 KiB
Go
//go:generate struct-markdown
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//go:generate mapstructure-to-hcl2 -type Config
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package iso
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import (
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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vmwcommon "github.com/hashicorp/packer/builder/vmware/common"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/common/shutdowncommand"
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"github.com/hashicorp/packer/helper/config"
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"github.com/hashicorp/packer/packer"
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"github.com/hashicorp/packer/template/interpolate"
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)
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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common.HTTPConfig `mapstructure:",squash"`
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common.ISOConfig `mapstructure:",squash"`
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common.FloppyConfig `mapstructure:",squash"`
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common.CDConfig `mapstructure:",squash"`
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vmwcommon.BootConfigWrapper `mapstructure:",squash"`
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vmwcommon.DriverConfig `mapstructure:",squash"`
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vmwcommon.HWConfig `mapstructure:",squash"`
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vmwcommon.OutputConfig `mapstructure:",squash"`
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vmwcommon.RunConfig `mapstructure:",squash"`
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shutdowncommand.ShutdownConfig `mapstructure:",squash"`
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vmwcommon.SSHConfig `mapstructure:",squash"`
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vmwcommon.ToolsConfig `mapstructure:",squash"`
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vmwcommon.VMXConfig `mapstructure:",squash"`
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vmwcommon.ExportConfig `mapstructure:",squash"`
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vmwcommon.DiskConfig `mapstructure:",squash"`
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// The size of the hard disk for the VM in megabytes.
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// The builder uses expandable, not fixed-size virtual hard disks, so the
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// actual file representing the disk will not use the full size unless it
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// is full. By default this is set to 40000 (about 40 GB).
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DiskSize uint `mapstructure:"disk_size" required:"false"`
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// The adapter type (or bus) that will be used
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// by the cdrom device. This is chosen by default based on the disk adapter
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// type. VMware tends to lean towards ide for the cdrom device unless
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// sata is chosen for the disk adapter and so Packer attempts to mirror
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// this logic. This field can be specified as either ide, sata, or scsi.
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CdromAdapterType string `mapstructure:"cdrom_adapter_type" required:"false"`
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// The guest OS type being installed. This will be
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// set in the VMware VMX. By default this is other. By specifying a more
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// specific OS type, VMware may perform some optimizations or virtual hardware
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// changes to better support the operating system running in the
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// virtual machine. Valid values differ by platform and version numbers, and may
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// not match other VMware API's representation of the guest OS names. Consult your
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// platform for valid values.
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GuestOSType string `mapstructure:"guest_os_type" required:"false"`
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// The [vmx hardware
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// version](http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1003746)
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// for the new virtual machine. Only the default value has been tested, any
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// other value is experimental. Default value is `9`.
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Version string `mapstructure:"version" required:"false"`
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// This is the name of the VMX file for the new virtual
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// machine, 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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VMXDiskTemplatePath string `mapstructure:"vmx_disk_template_path"`
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// Path to a [configuration template](/docs/templates/engine) that
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// defines the contents of the virtual machine VMX file for VMware. The
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// engine has access to the template variables `{{ .DiskNumber }}` and
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// `{{ .DiskName }}`.
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//
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// This is for **advanced users only** as this can render the virtual machine
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// non-functional. See below for more information. For basic VMX
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// modifications, try `vmx_data` first.
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VMXTemplatePath string `mapstructure:"vmx_template_path" required:"false"`
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ctx interpolate.Context
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}
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func (c *Config) Prepare(raws ...interface{}) ([]string, error) {
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err := config.Decode(c, &config.DecodeOpts{
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Interpolate: true,
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InterpolateContext: &c.ctx,
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InterpolateFilter: &interpolate.RenderFilter{
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Exclude: []string{
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"boot_command",
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"tools_upload_path",
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},
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},
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}, raws...)
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if err != nil {
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return nil, err
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}
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// Accumulate any errors and warnings
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var warnings []string
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var errs *packer.MultiError
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vncWarnings, vncErrs := c.BootConfigWrapper.Prepare(&c.ctx, &c.DriverConfig)
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warnings = append(warnings, vncWarnings...)
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errs = packer.MultiErrorAppend(errs, vncErrs...)
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isoWarnings, isoErrs := c.ISOConfig.Prepare(&c.ctx)
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warnings = append(warnings, isoWarnings...)
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errs = packer.MultiErrorAppend(errs, isoErrs...)
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errs = packer.MultiErrorAppend(errs, c.HTTPConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.HWConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.OutputConfig.Prepare(&c.ctx, &c.PackerConfig)...)
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errs = packer.MultiErrorAppend(errs, c.DriverConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.RunConfig.Prepare(&c.ctx, &c.BootConfigWrapper)...)
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errs = packer.MultiErrorAppend(errs, c.ShutdownConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.SSHConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.ToolsConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.CDConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.VMXConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.FloppyConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.ExportConfig.Prepare(&c.ctx)...)
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errs = packer.MultiErrorAppend(errs, c.DiskConfig.Prepare(&c.ctx)...)
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if c.DiskSize == 0 {
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c.DiskSize = 40000
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}
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if c.DiskTypeId == "" {
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// Default is growable virtual disk split in 2GB files.
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c.DiskTypeId = "1"
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if c.RemoteType == "esx5" {
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c.DiskTypeId = "zeroedthick"
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c.SkipCompaction = true
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}
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}
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if c.RemoteType == "esx5" {
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if c.DiskTypeId != "thin" && !c.SkipCompaction {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("skip_compaction must be 'true' for disk_type_id: %s", c.DiskTypeId))
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}
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}
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if c.GuestOSType == "" {
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c.GuestOSType = "other"
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}
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if c.VMName == "" {
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c.VMName = fmt.Sprintf("packer-%s", c.PackerBuildName)
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}
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if c.Version == "" {
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c.Version = "9"
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}
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if c.VMXTemplatePath != "" {
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if err := c.validateVMXTemplatePath(); err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("vmx_template_path is invalid: %s", err))
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}
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} else {
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warn := c.checkForVMXTemplateAndVMXDataCollisions()
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if warn != "" {
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warnings = append(warnings, warn)
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}
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}
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if c.HWConfig.Network == "" {
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c.HWConfig.Network = "nat"
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}
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if c.Format == "" {
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if c.RemoteType == "" {
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c.Format = "vmx"
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} else {
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c.Format = "ovf"
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}
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}
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if c.RemoteType == "" {
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if c.Format == "vmx" {
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// if we're building locally and want a vmx, there's nothing to export.
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// Set skip export flag here to keep the export step from attempting
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// an unneded export
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c.SkipExport = true
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}
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if c.Headless && c.DisableVNC {
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warnings = append(warnings,
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"Headless mode uses VNC to retrieve output. Since VNC has been disabled,\n"+
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"you won't be able to see any output.")
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}
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}
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err = c.DriverConfig.Validate(c.SkipExport)
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if err != nil {
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errs = packer.MultiErrorAppend(errs, err)
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}
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if c.CdromAdapterType != "" {
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c.CdromAdapterType = strings.ToLower(c.CdromAdapterType)
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if c.CdromAdapterType != "ide" && c.CdromAdapterType != "sata" && c.CdromAdapterType != "scsi" {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("cdrom_adapter_type must be one of ide, sata, or scsi"))
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}
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}
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// Warnings
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if c.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 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 (c *Config) checkForVMXTemplateAndVMXDataCollisions() string {
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if c.VMXTemplatePath != "" {
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return ""
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}
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var overridden []string
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tplLines := strings.Split(DefaultVMXTemplate, "\n")
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tplLines = append(tplLines,
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fmt.Sprintf("%s0:0.present", strings.ToLower(c.DiskAdapterType)),
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fmt.Sprintf("%s0:0.fileName", strings.ToLower(c.DiskAdapterType)),
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fmt.Sprintf("%s0:0.deviceType", strings.ToLower(c.DiskAdapterType)),
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fmt.Sprintf("%s0:1.present", strings.ToLower(c.DiskAdapterType)),
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fmt.Sprintf("%s0:1.fileName", strings.ToLower(c.DiskAdapterType)),
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fmt.Sprintf("%s0:1.deviceType", strings.ToLower(c.DiskAdapterType)),
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)
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for _, line := range tplLines {
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if strings.Contains(line, `{{`) {
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key := line[:strings.Index(line, " =")]
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if _, ok := c.VMXData[key]; ok {
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overridden = append(overridden, key)
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}
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}
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}
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if len(overridden) > 0 {
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warnings := fmt.Sprintf("Your vmx data contains the following "+
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"variable(s), which Packer normally sets when it generates its "+
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"own default vmx template. This may cause your build to fail or "+
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"behave unpredictably: %s", strings.Join(overridden, ", "))
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return warnings
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}
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return ""
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}
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// Make sure custom vmx template exists and that data can be read from it
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func (c *Config) validateVMXTemplatePath() error {
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f, err := os.Open(c.VMXTemplatePath)
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if err != nil {
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return err
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}
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defer f.Close()
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data, err := ioutil.ReadAll(f)
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if err != nil {
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return err
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}
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return interpolate.Validate(string(data), &c.ctx)
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}
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