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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See the LICENSE file in builder/azure for license information.
package arm
import (
"fmt"
"github.com/Azure/azure-sdk-for-go/arm/compute"
"github.com/hashicorp/packer/builder/azure/common"
"github.com/hashicorp/packer/builder/azure/common/constants"
"github.com/hashicorp/packer/packer"
"github.com/mitchellh/multistep"
)
type StepCaptureImage struct {
client *AzureClient
generalizeVM func(resourceGroupName, computeName string) error
captureVhd func(resourceGroupName string, computeName string, parameters *compute.VirtualMachineCaptureParameters, cancelCh <-chan struct{}) error
captureManagedImage func(resourceGroupName string, computeName string, parameters *compute.Image, cancelCh <-chan struct{}) error
get func(client *AzureClient) *CaptureTemplate
say func(message string)
error func(e error)
}
func NewStepCaptureImage(client *AzureClient, ui packer.Ui) *StepCaptureImage {
var step = &StepCaptureImage{
client: client,
get: func(client *AzureClient) *CaptureTemplate {
return client.Template
},
say: func(message string) {
ui.Say(message)
},
error: func(e error) {
ui.Error(e.Error())
},
}
step.generalizeVM = step.generalize
step.captureVhd = step.captureImage
step.captureManagedImage = step.captureImageFromVM
return step
}
func (s *StepCaptureImage) generalize(resourceGroupName string, computeName string) error {
_, err := s.client.Generalize(resourceGroupName, computeName)
if err != nil {
s.say(s.client.LastError.Error())
}
return err
}
func (s *StepCaptureImage) captureImageFromVM(resourceGroupName string, imageName string, image *compute.Image, cancelCh <-chan struct{}) error {
_, errChan := s.client.ImagesClient.CreateOrUpdate(resourceGroupName, imageName, *image, cancelCh)
err := <-errChan
if err != nil {
s.say(s.client.LastError.Error())
}
return <-errChan
}
func (s *StepCaptureImage) captureImage(resourceGroupName string, computeName string, parameters *compute.VirtualMachineCaptureParameters, cancelCh <-chan struct{}) error {
_, errChan := s.client.Capture(resourceGroupName, computeName, *parameters, cancelCh)
err := <-errChan
if err != nil {
s.say(s.client.LastError.Error())
}
return <-errChan
}
func (s *StepCaptureImage) Run(state multistep.StateBag) multistep.StepAction {
s.say("Capturing image ...")
var computeName = state.Get(constants.ArmComputeName).(string)
var location = state.Get(constants.ArmLocation).(string)
var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
var vmCaptureParameters = state.Get(constants.ArmVirtualMachineCaptureParameters).(*compute.VirtualMachineCaptureParameters)
var imageParameters = state.Get(constants.ArmImageParameters).(*compute.Image)
var isManagedImage = state.Get(constants.ArmIsManagedImage).(bool)
var targetManagedImageResourceGroupName = state.Get(constants.ArmManagedImageResourceGroupName).(string)
var targetManagedImageName = state.Get(constants.ArmManagedImageName).(string)
var targetManagedImageLocation = state.Get(constants.ArmManagedImageLocation).(string)
s.say(fmt.Sprintf(" -> Compute ResourceGroupName : '%s'", resourceGroupName))
s.say(fmt.Sprintf(" -> Compute Name : '%s'", computeName))
s.say(fmt.Sprintf(" -> Compute Location : '%s'", location))
result := common.StartInterruptibleTask(
func() bool {
return common.IsStateCancelled(state)
},
func(cancelCh <-chan struct{}) error {
err := s.generalizeVM(resourceGroupName, computeName)
if err != nil {
return err
}
if isManagedImage {
s.say(fmt.Sprintf(" -> Image ResourceGroupName : '%s'", targetManagedImageResourceGroupName))
s.say(fmt.Sprintf(" -> Image Name : '%s'", targetManagedImageName))
s.say(fmt.Sprintf(" -> Image Location : '%s'", targetManagedImageLocation))
return s.captureManagedImage(targetManagedImageResourceGroupName, targetManagedImageName, imageParameters, cancelCh)
} else {
return s.captureVhd(resourceGroupName, computeName, vmCaptureParameters, cancelCh)
}
})
// HACK(chrboum): I do not like this. The capture method should be returning this value
// instead having to pass in another lambda. I'm in this pickle because I am using
// common.StartInterruptibleTask which is not parametric, and only returns a type of error.
// I could change it to interface{}, but I do not like that solution either.
//
// Having to resort to capturing the template via an inspector is hack, and once I can
// resolve that I can cleanup this code too. See the comments in azure_client.go for more
// details.
template := s.get(s.client)
state.Put(constants.ArmCaptureTemplate, template)
return processInterruptibleResult(result, s.error, state)
}
func (*StepCaptureImage) Cleanup(multistep.StateBag) {
}
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