packer-cn/builder/alicloud/ecs/artifact.go

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package ecs
import (
"fmt"
"log"
"sort"
"strings"
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"github.com/aliyun/alibaba-cloud-sdk-go/services/ecs"
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"github.com/hashicorp/packer/packer"
)
type Artifact struct {
// A map of regions to alicloud image IDs.
AlicloudImages map[string]string
// BuilderId is the unique ID for the builder that created this alicloud image
BuilderIdValue string
// Alcloud connection for performing API stuff.
Client *ClientWrapper
}
func (a *Artifact) BuilderId() string {
return a.BuilderIdValue
}
func (*Artifact) Files() []string {
// We have no files
return nil
}
func (a *Artifact) Id() string {
parts := make([]string, 0, len(a.AlicloudImages))
for region, ecsImageId := range a.AlicloudImages {
parts = append(parts, fmt.Sprintf("%s:%s", region, ecsImageId))
}
sort.Strings(parts)
return strings.Join(parts, ",")
}
func (a *Artifact) String() string {
alicloudImageStrings := make([]string, 0, len(a.AlicloudImages))
for region, id := range a.AlicloudImages {
single := fmt.Sprintf("%s: %s", region, id)
alicloudImageStrings = append(alicloudImageStrings, single)
}
sort.Strings(alicloudImageStrings)
return fmt.Sprintf("Alicloud images were created:\n\n%s", strings.Join(alicloudImageStrings, "\n"))
}
func (a *Artifact) State(name string) interface{} {
switch name {
case "atlas.artifact.metadata":
return a.stateAtlasMetadata()
default:
return nil
}
}
func (a *Artifact) Destroy() error {
errors := make([]error, 0)
copyingImages := make(map[string]string, len(a.AlicloudImages))
sourceImage := make(map[string]*ecs.Image, 1)
for regionId, imageId := range a.AlicloudImages {
describeImagesRequest := ecs.CreateDescribeImagesRequest()
describeImagesRequest.RegionId = regionId
describeImagesRequest.ImageId = imageId
describeImagesRequest.Status = ImageStatusQueried
imagesResponse, err := a.Client.DescribeImages(describeImagesRequest)
if err != nil {
errors = append(errors, err)
}
images := imagesResponse.Images.Image
if len(images) == 0 {
err := fmt.Errorf("Error retrieving details for alicloud image(%s), no alicloud images found", imageId)
errors = append(errors, err)
continue
}
if images[0].IsCopied && images[0].Status != ImageStatusAvailable {
copyingImages[regionId] = imageId
} else {
sourceImage[regionId] = &images[0]
}
}
for regionId, imageId := range copyingImages {
log.Printf("Cancel copying alicloud image (%s) from region (%s)", imageId, regionId)
errs := a.unsharedAccountsOnImages(regionId, imageId)
if errs != nil {
errors = append(errors, errs...)
}
cancelImageCopyRequest := ecs.CreateCancelCopyImageRequest()
cancelImageCopyRequest.RegionId = regionId
cancelImageCopyRequest.ImageId = imageId
if _, err := a.Client.CancelCopyImage(cancelImageCopyRequest); err != nil {
errors = append(errors, err)
}
}
for regionId, image := range sourceImage {
imageId := image.ImageId
log.Printf("Delete alicloud image (%s) from region (%s)", imageId, regionId)
errs := a.unsharedAccountsOnImages(regionId, imageId)
if errs != nil {
errors = append(errors, errs...)
}
deleteImageRequest := ecs.CreateDeleteImageRequest()
deleteImageRequest.RegionId = regionId
deleteImageRequest.ImageId = imageId
if _, err := a.Client.DeleteImage(deleteImageRequest); err != nil {
errors = append(errors, err)
}
//Delete the snapshot of this images
for _, diskDevices := range image.DiskDeviceMappings.DiskDeviceMapping {
deleteSnapshotRequest := ecs.CreateDeleteSnapshotRequest()
deleteSnapshotRequest.SnapshotId = diskDevices.SnapshotId
_, err := a.Client.DeleteSnapshot(deleteSnapshotRequest)
if err != nil {
errors = append(errors, err)
}
}
}
if len(errors) > 0 {
if len(errors) == 1 {
return errors[0]
} else {
return &packer.MultiError{Errors: errors}
}
}
return nil
}
func (a *Artifact) unsharedAccountsOnImages(regionId string, imageId string) []error {
var errors []error
describeImageShareRequest := ecs.CreateDescribeImageSharePermissionRequest()
describeImageShareRequest.RegionId = regionId
describeImageShareRequest.ImageId = imageId
imageShareResponse, err := a.Client.DescribeImageSharePermission(describeImageShareRequest)
if err != nil {
errors = append(errors, err)
return errors
}
accountsNumber := len(imageShareResponse.Accounts.Account)
if accountsNumber > 0 {
accounts := make([]string, accountsNumber)
for index, account := range imageShareResponse.Accounts.Account {
accounts[index] = account.AliyunId
}
modifyImageShareRequest := ecs.CreateModifyImageSharePermissionRequest()
modifyImageShareRequest.RegionId = regionId
modifyImageShareRequest.ImageId = imageId
modifyImageShareRequest.RemoveAccount = &accounts
_, err := a.Client.ModifyImageSharePermission(modifyImageShareRequest)
if err != nil {
errors = append(errors, err)
}
}
return errors
}
func (a *Artifact) stateAtlasMetadata() interface{} {
metadata := make(map[string]string)
for region, imageId := range a.AlicloudImages {
k := fmt.Sprintf("region.%s", region)
metadata[k] = imageId
}
return metadata
}