packer-cn/builder/azure/arm/step_capture_image.go

82 lines
2.9 KiB
Go

// 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/mitchellh/multistep"
"github.com/mitchellh/packer/builder/azure/common"
"github.com/mitchellh/packer/builder/azure/common/constants"
"github.com/mitchellh/packer/packer"
)
type StepCaptureImage struct {
client *AzureClient
capture func(resourceGroupName string, computeName string, parameters *compute.VirtualMachineCaptureParameters, 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.capture = step.captureImage
return step
}
func (s *StepCaptureImage) captureImage(resourceGroupName string, computeName string, parameters *compute.VirtualMachineCaptureParameters, cancelCh <-chan struct{}) error {
_, err := s.client.Generalize(resourceGroupName, computeName)
if err != nil {
return err
}
_, err = s.client.Capture(resourceGroupName, computeName, *parameters, cancelCh)
if err != nil {
return err
}
return nil
}
func (s *StepCaptureImage) Run(state multistep.StateBag) multistep.StepAction {
s.say("Capturing image ...")
var computeName = state.Get(constants.ArmComputeName).(string)
var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
var parameters = state.Get(constants.ArmVirtualMachineCaptureParameters).(*compute.VirtualMachineCaptureParameters)
s.say(fmt.Sprintf(" -> ResourceGroupName : '%s'", resourceGroupName))
s.say(fmt.Sprintf(" -> ComputeName : '%s'", computeName))
result := common.StartInterruptibleTask(
func() bool { return common.IsStateCancelled(state) },
func(cancelCh <-chan struct{}) error {
return s.capture(resourceGroupName, computeName, parameters, 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) {
}