forked from hashicorp/packer
/
step_deploy_template.go
220 lines (201 loc) · 7.67 KB
/
step_deploy_template.go
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package arm
import (
"context"
"errors"
"fmt"
"net/url"
"strings"
"github.com/hashicorp/packer/builder/azure/common/constants"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type StepDeployTemplate struct {
client *AzureClient
deploy func(ctx context.Context, resourceGroupName string, deploymentName string) error
delete func(ctx context.Context, client *AzureClient, resourceType string, resourceName string, resourceGroupName string) error
disk func(ctx context.Context, resourceGroupName string, computeName string) (string, string, error)
deleteDisk func(ctx context.Context, imageType string, imageName string, resourceGroupName string) error
say func(message string)
error func(e error)
config *Config
factory templateFactoryFunc
name string
}
func NewStepDeployTemplate(client *AzureClient, ui packer.Ui, config *Config, deploymentName string, factory templateFactoryFunc) *StepDeployTemplate {
var step = &StepDeployTemplate{
client: client,
say: func(message string) { ui.Say(message) },
error: func(e error) { ui.Error(e.Error()) },
config: config,
factory: factory,
name: deploymentName,
}
step.deploy = step.deployTemplate
step.delete = deleteResource
step.disk = step.getImageDetails
step.deleteDisk = step.deleteImage
return step
}
func (s *StepDeployTemplate) deployTemplate(ctx context.Context, resourceGroupName string, deploymentName string) error {
deployment, err := s.factory(s.config)
if err != nil {
return err
}
f, err := s.client.DeploymentsClient.CreateOrUpdate(ctx, resourceGroupName, deploymentName, *deployment)
if err == nil {
err = f.WaitForCompletion(ctx, s.client.DeploymentsClient.Client)
}
if err != nil {
s.say(s.client.LastError.Error())
}
return err
}
func (s *StepDeployTemplate) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
s.say("Deploying deployment template ...")
var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
s.say(fmt.Sprintf(" -> ResourceGroupName : '%s'", resourceGroupName))
s.say(fmt.Sprintf(" -> DeploymentName : '%s'", s.name))
return processStepResult(
s.deploy(ctx, resourceGroupName, s.name),
s.error, state)
}
func (s *StepDeployTemplate) getImageDetails(ctx context.Context, resourceGroupName string, computeName string) (string, string, error) {
//We can't depend on constants.ArmOSDiskVhd being set
var imageName string
var imageType string
vm, err := s.client.VirtualMachinesClient.Get(ctx, resourceGroupName, computeName, "")
if err != nil {
return imageName, imageType, err
} else {
if vm.StorageProfile.OsDisk.Vhd != nil {
imageType = "image"
imageName = *vm.StorageProfile.OsDisk.Vhd.URI
} else {
imageType = "Microsoft.Compute/disks"
imageName = *vm.StorageProfile.OsDisk.ManagedDisk.ID
}
}
return imageType, imageName, nil
}
//TODO(paulmey): move to helpers file
func deleteResource(ctx context.Context, client *AzureClient, resourceType string, resourceName string, resourceGroupName string) error {
switch resourceType {
case "Microsoft.Compute/virtualMachines":
f, err := client.VirtualMachinesClient.Delete(ctx, resourceGroupName, resourceName)
if err == nil {
err = f.WaitForCompletion(ctx, client.VirtualMachinesClient.Client)
}
return err
case "Microsoft.KeyVault/vaults":
// TODO(paulmey): not sure why VaultClient doesn't do cancellation
_, err := client.VaultClientDelete.Delete(resourceGroupName, resourceName)
return err
case "Microsoft.Network/networkInterfaces":
f, err := client.InterfacesClient.Delete(ctx, resourceGroupName, resourceName)
if err == nil {
err = f.WaitForCompletion(ctx, client.InterfacesClient.Client)
}
return err
case "Microsoft.Network/virtualNetworks":
f, err := client.VirtualNetworksClient.Delete(ctx, resourceGroupName, resourceName)
if err == nil {
err = f.WaitForCompletion(ctx, client.VirtualNetworksClient.Client)
}
return err
case "Microsoft.Network/publicIPAddresses":
f, err := client.PublicIPAddressesClient.Delete(ctx, resourceGroupName, resourceName)
if err == nil {
err = f.WaitForCompletion(ctx, client.PublicIPAddressesClient.Client)
}
return err
}
return nil
}
func (s *StepDeployTemplate) deleteImage(ctx context.Context, imageType string, imageName string, resourceGroupName string) error {
// Managed disk
if imageType == "Microsoft.Compute/disks" {
xs := strings.Split(imageName, "/")
diskName := xs[len(xs)-1]
f, err := s.client.DisksClient.Delete(ctx, resourceGroupName, diskName)
if err == nil {
err = f.WaitForCompletion(ctx, s.client.DisksClient.Client)
}
return err
}
// VHD image
u, err := url.Parse(imageName)
if err != nil {
return err
}
xs := strings.Split(u.Path, "/")
if len(xs) < 3 {
return errors.New("Unable to parse path of image " + imageName)
}
var storageAccountName = xs[1]
var blobName = strings.Join(xs[2:], "/")
blob := s.client.BlobStorageClient.GetContainerReference(storageAccountName).GetBlobReference(blobName)
err = blob.Delete(nil)
return err
}
func (s *StepDeployTemplate) Cleanup(state multistep.StateBag) {
//Only clean up if this was an existing resource group and the resource group
//is marked as created
var existingResourceGroup = state.Get(constants.ArmIsExistingResourceGroup).(bool)
var resourceGroupCreated = state.Get(constants.ArmIsResourceGroupCreated).(bool)
if !existingResourceGroup || !resourceGroupCreated {
return
}
ui := state.Get("ui").(packer.Ui)
ui.Say("\nThe resource group was not created by Packer, deleting individual resources ...")
var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
var computeName = state.Get(constants.ArmComputeName).(string)
var deploymentName = s.name
imageType, imageName, err := s.disk(context.TODO(), resourceGroupName, computeName)
if err != nil {
ui.Error("Could not retrieve OS Image details")
}
ui.Say(" -> Deployment: " + deploymentName)
if deploymentName != "" {
maxResources := int32(50)
deploymentOperations, err := s.client.DeploymentOperationsClient.ListComplete(context.TODO(), resourceGroupName, deploymentName, &maxResources)
if err != nil {
ui.Error(fmt.Sprintf("Error deleting resources. Please delete them manually.\n\n"+
"Name: %s\n"+
"Error: %s", resourceGroupName, err))
}
for deploymentOperations.NotDone() {
deploymentOperation := deploymentOperations.Value()
// Sometimes an empty operation is added to the list by Azure
if deploymentOperation.Properties.TargetResource == nil {
continue
}
ui.Say(fmt.Sprintf(" -> %s : '%s'",
*deploymentOperation.Properties.TargetResource.ResourceType,
*deploymentOperation.Properties.TargetResource.ResourceName))
err = s.delete(context.TODO(), s.client,
*deploymentOperation.Properties.TargetResource.ResourceType,
*deploymentOperation.Properties.TargetResource.ResourceName,
resourceGroupName)
if err != nil {
ui.Error(fmt.Sprintf("Error deleting resource. Please delete manually.\n\n"+
"Name: %s\n"+
"Error: %s", *deploymentOperation.Properties.TargetResource.ResourceName, err))
}
if err = deploymentOperations.Next(); err != nil {
ui.Error(fmt.Sprintf("Error deleting resources. Please delete them manually.\n\n"+
"Name: %s\n"+
"Error: %s", resourceGroupName, err))
break
}
}
// The disk is not defined as an operation in the template so has to be
// deleted separately
ui.Say(fmt.Sprintf(" -> %s : '%s'", imageType, imageName))
err = s.deleteDisk(context.TODO(), imageType, imageName, resourceGroupName)
if err != nil {
ui.Error(fmt.Sprintf("Error deleting resource. Please delete manually.\n\n"+
"Name: %s\n"+
"Error: %s", imageName, err))
}
}
}