93 lines
3.3 KiB
Go
93 lines
3.3 KiB
Go
//go:generate struct-markdown
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package common
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import (
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"fmt"
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"strings"
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)
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// These are the different valid mode values for "guest_additions_mode" which
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// determine how guest additions are delivered to the guest.
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const (
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GuestAdditionsModeDisable string = "disable"
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GuestAdditionsModeAttach = "attach"
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GuestAdditionsModeUpload = "upload"
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)
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type GuestAdditionsConfig struct {
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// The method by which guest additions are
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// made available to the guest for installation. Valid options are `upload`,
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// `attach`, or `disable`. If the mode is `attach` the guest additions ISO will
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// be attached as a CD device to the virtual machine. If the mode is `upload`
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// the guest additions ISO will be uploaded to the path specified by
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// `guest_additions_path`. The default value is `upload`. If `disable` is used,
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// guest additions won't be downloaded, either.
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GuestAdditionsMode string `mapstructure:"guest_additions_mode"`
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// The interface type to use to mount guest additions when
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// guest_additions_mode is set to attach. Will default to the value set in
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// iso_interface, if iso_interface is set. Will default to "ide", if
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// iso_interface is not set. Options are "ide" and "sata".
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GuestAdditionsInterface string `mapstructure:"guest_additions_interface" required:"false"`
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// The path on the guest virtual machine
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// where the VirtualBox guest additions ISO will be uploaded. By default this
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// is `VBoxGuestAdditions.iso` which should upload into the login directory of
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// the user. This is a [configuration
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// template](/docs/templates/engine) where the `Version`
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// variable is replaced with the VirtualBox version.
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GuestAdditionsPath string `mapstructure:"guest_additions_path"`
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// The SHA256 checksum of the guest
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// additions ISO that will be uploaded to the guest VM. By default the
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// checksums will be downloaded from the VirtualBox website, so this only needs
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// to be set if you want to be explicit about the checksum.
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GuestAdditionsSHA256 string `mapstructure:"guest_additions_sha256"`
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// The URL of the guest additions ISO
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// to upload. This can also be a file URL if the ISO is at a local path. By
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// default, the VirtualBox builder will attempt to find the guest additions ISO
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// on the local file system. If it is not available locally, the builder will
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// download the proper guest additions ISO from the internet.
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GuestAdditionsURL string `mapstructure:"guest_additions_url" required:"false"`
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}
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func (c *GuestAdditionsConfig) Prepare(communicatorType string) []error {
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var errs []error
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if c.GuestAdditionsMode == "" {
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c.GuestAdditionsMode = "upload"
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}
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if c.GuestAdditionsPath == "" {
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c.GuestAdditionsPath = "VBoxGuestAdditions.iso"
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}
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if c.GuestAdditionsSHA256 != "" {
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c.GuestAdditionsSHA256 = strings.ToLower(c.GuestAdditionsSHA256)
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}
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validMode := false
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validModes := []string{
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GuestAdditionsModeDisable,
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GuestAdditionsModeAttach,
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GuestAdditionsModeUpload,
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}
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for _, mode := range validModes {
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if c.GuestAdditionsMode == mode {
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validMode = true
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break
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}
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}
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if !validMode {
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errs = append(errs,
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fmt.Errorf("guest_additions_mode is invalid. Must be one of: %v", validModes))
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}
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if communicatorType == "none" && c.GuestAdditionsMode == "upload" {
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errs = append(errs, fmt.Errorf("communicator must not be 'none' "+
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"when guest_additions_mode = 'upload'."))
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}
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return errs
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}
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