107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
package common
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import (
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"context"
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"fmt"
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"log"
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"time"
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"github.com/hashicorp/packer/packer"
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"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
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"github.com/hashicorp/packer/packer-plugin-sdk/retry"
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)
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// This step removes any devices (floppy disks, ISOs, etc.) from the
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// machine that we may have added.
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//
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// Uses:
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// driver Driver
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// ui packer.Ui
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// vmName string
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//
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// Produces:
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type StepRemoveDevices struct {
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Bundling VBoxBundleConfig
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}
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func (s *StepRemoveDevices) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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driver := state.Get("driver").(Driver)
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ui := state.Get("ui").(packer.Ui)
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vmName := state.Get("vmName").(string)
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// Remove the attached floppy disk, if it exists
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if _, ok := state.GetOk("floppy_path"); ok {
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ui.Message("Removing floppy drive...")
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command := []string{
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"storageattach", vmName,
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"--storagectl", "Floppy Controller",
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"--port", "0",
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"--device", "0",
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"--medium", "none",
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}
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if err := driver.VBoxManage(command...); err != nil {
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err := fmt.Errorf("Error removing floppy: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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// Retry for 10 minutes to remove the floppy controller.
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log.Printf("Trying for 10 minutes to remove floppy controller.")
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err := retry.Config{
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Tries: 40,
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RetryDelay: (&retry.Backoff{InitialBackoff: 15 * time.Second, MaxBackoff: 15 * time.Second, Multiplier: 2}).Linear,
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}.Run(ctx, func(ctx context.Context) error {
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// Don't forget to remove the floppy controller as well
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command = []string{
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"storagectl", vmName,
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"--name", "Floppy Controller",
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"--remove",
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}
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err := driver.VBoxManage(command...)
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if err != nil {
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log.Printf("Error removing floppy controller. Retrying.")
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}
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return err
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})
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if err != nil {
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err := fmt.Errorf("Error removing floppy controller: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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}
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var isoUnmountCommands map[string][]string
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isoUnmountCommandsRaw, ok := state.GetOk("disk_unmount_commands")
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if !ok {
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// No disks to unmount
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return multistep.ActionContinue
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} else {
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isoUnmountCommands = isoUnmountCommandsRaw.(map[string][]string)
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}
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for diskCategory, unmountCommand := range isoUnmountCommands {
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if diskCategory == "boot_iso" && s.Bundling.BundleISO {
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// skip the unmount if user wants to bundle the iso
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continue
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}
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if err := driver.VBoxManage(unmountCommand...); err != nil {
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err := fmt.Errorf("Error detaching ISO: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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}
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// log that we removed the isos, so we don't waste time trying to do it
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// in the step_attach_isos cleanup.
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state.Put("detached_isos", true)
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return multistep.ActionContinue
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}
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func (s *StepRemoveDevices) Cleanup(state multistep.StateBag) {
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}
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