packer-cn/builder/hyperv/common/step_create_switch.go

83 lines
2.4 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"
)
const (
SwitchTypeInternal = "Internal"
SwitchTypePrivate = "Private"
DefaultSwitchType = SwitchTypeInternal
)
// This step creates switch for VM.
//
// Produces:
// SwitchName string - The name of the Switch
type StepCreateSwitch struct {
// Specifies the name of the switch to be created.
SwitchName string
// Specifies the type of the switch to be created. Allowed values are Internal and Private. To create an External
// virtual switch, specify either the NetAdapterInterfaceDescription or the NetAdapterName parameter, which
// implicitly set the type of the virtual switch to External.
SwitchType string
// Specifies the name of the network adapter to be bound to the switch to be created.
NetAdapterName string
// Specifies the interface description of the network adapter to be bound to the switch to be created.
NetAdapterInterfaceDescription string
createdSwitch bool
}
func (s *StepCreateSwitch) Run(state multistep.StateBag) multistep.StepAction {
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
if len(s.SwitchType) == 0 {
s.SwitchType = DefaultSwitchType
}
ui.Say(fmt.Sprintf("Creating switch '%v' if required...", s.SwitchName))
createdSwitch, err := driver.CreateVirtualSwitch(s.SwitchName, s.SwitchType)
if err != nil {
err := fmt.Errorf("Error creating switch: %s", err)
state.Put("error", err)
ui.Error(err.Error())
s.SwitchName = ""
return multistep.ActionHalt
}
s.createdSwitch = createdSwitch
if !s.createdSwitch {
ui.Say(fmt.Sprintf(" switch '%v' already exists. Will not delete on cleanup...", s.SwitchName))
}
// Set the final name in the state bag so others can use it
state.Put("SwitchName", s.SwitchName)
return multistep.ActionContinue
}
func (s *StepCreateSwitch) Cleanup(state multistep.StateBag) {
if len(s.SwitchName) == 0 || !s.createdSwitch {
return
}
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
ui.Say("Unregistering and deleting switch...")
err := driver.DeleteVirtualSwitch(s.SwitchName)
if err != nil {
ui.Error(fmt.Sprintf("Error deleting switch: %s", err))
}
}