packer-cn/builder/hyperv/common/step_mount_secondary_dvd_images.go
2016-12-12 22:44:27 +00:00

102 lines
2.8 KiB
Go

// Copyright (c) Microsoft Open Technologies, Inc.
// All Rights Reserved.
// Licensed under the Apache License, Version 2.0.
// See License.txt in the project root for license information.
package common
import (
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"log"
)
type StepMountSecondaryDvdImages struct {
IsoPaths []string
Generation uint
cleanup bool
dvdProperties []DvdControllerProperties
}
type DvdControllerProperties struct {
ControllerNumber uint
ControllerLocation uint
Existing bool
}
func (s *StepMountSecondaryDvdImages) Run(state multistep.StateBag) multistep.StepAction {
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
ui.Say("Mounting secondary DVD images...")
vmName := state.Get("vmName").(string)
// should be able to mount up to 60 additional iso images using SCSI
// but Windows would only allow a max of 22 due to available drive letters
// Will Windows assign DVD drives to A: and B: ?
// For IDE, there are only 2 controllers (0,1) with 2 locations each (0,1)
var dvdProperties []DvdControllerProperties
for _, isoPath := range s.IsoPaths {
var properties DvdControllerProperties
controllerNumber, controllerLocation, err := driver.CreateDvdDrive(vmName, s.Generation)
if err != nil {
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
properties.ControllerNumber = controllerNumber
properties.ControllerLocation = controllerLocation
s.cleanup = true
dvdProperties = append(dvdProperties, properties)
s.dvdProperties = dvdProperties
ui.Say(fmt.Sprintf("Mounting secondary dvd drive %s ...", isoPath))
err = driver.MountDvdDriveByLocation(vmName, isoPath, controllerNumber, controllerLocation)
if err != nil {
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
log.Println(fmt.Sprintf("ISO %s mounted on DVD controller %v, location %v", isoPath, controllerNumber, controllerLocation))
}
state.Put("secondary.dvd.properties", dvdProperties)
return multistep.ActionContinue
}
func (s *StepMountSecondaryDvdImages) Cleanup(state multistep.StateBag) {
if (!s.cleanup){
return
}
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
ui.Say("Clean up secondary dvd drives...")
vmName := state.Get("vmName").(string)
errorMsg := "Error unmounting secondary dvd drive: %s"
for _, dvdControllerProperties := range s.dvdProperties {
if dvdControllerProperties.Existing {
err := driver.UnmountDvdDrive(vmName)
if err != nil {
log.Print(fmt.Sprintf(errorMsg, err))
}
} else {
err := driver.DeleteDvdDrive(vmName, dvdControllerProperties.ControllerNumber, dvdControllerProperties.ControllerLocation)
if err != nil {
log.Print(fmt.Sprintf(errorMsg, err))
}
}
}
}