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

145 lines
4.5 KiB
Go

package ecs
import (
"context"
"fmt"
"time"
"github.com/hashicorp/packer-plugin-sdk/random"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/responses"
"github.com/aliyun/alibaba-cloud-sdk-go/services/ecs"
"github.com/hashicorp/packer-plugin-sdk/multistep"
packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
"github.com/hashicorp/packer-plugin-sdk/uuid"
)
type stepCreateAlicloudImage struct {
AlicloudImageIgnoreDataDisks bool
WaitSnapshotReadyTimeout int
image *ecs.Image
}
var createImageRetryErrors = []string{
"IdempotentProcessing",
}
func (s *stepCreateAlicloudImage) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(*Config)
client := state.Get("client").(*ClientWrapper)
ui := state.Get("ui").(packersdk.Ui)
tempImageName := config.AlicloudImageName
if config.ImageEncrypted.True() {
tempImageName = fmt.Sprintf("packer_%s", random.AlphaNum(7))
ui.Say(fmt.Sprintf("Creating temporary image for encryption: %s", tempImageName))
} else {
ui.Say(fmt.Sprintf("Creating image: %s", tempImageName))
}
createImageRequest := s.buildCreateImageRequest(state, tempImageName)
createImageResponse, err := client.WaitForExpected(&WaitForExpectArgs{
RequestFunc: func() (responses.AcsResponse, error) {
return client.CreateImage(createImageRequest)
},
EvalFunc: client.EvalCouldRetryResponse(createImageRetryErrors, EvalRetryErrorType),
})
if err != nil {
return halt(state, err, "Error creating image")
}
imageId := createImageResponse.(*ecs.CreateImageResponse).ImageId
imagesResponse, err := client.WaitForImageStatus(config.AlicloudRegion, imageId, ImageStatusAvailable, time.Duration(s.WaitSnapshotReadyTimeout)*time.Second)
// save image first for cleaning up if timeout
images := imagesResponse.(*ecs.DescribeImagesResponse).Images.Image
if len(images) == 0 {
return halt(state, err, "Unable to find created image")
}
s.image = &images[0]
if err != nil {
return halt(state, err, "Timeout waiting for image to be created")
}
var snapshotIds []string
for _, device := range images[0].DiskDeviceMappings.DiskDeviceMapping {
snapshotIds = append(snapshotIds, device.SnapshotId)
}
state.Put("alicloudimage", imageId)
state.Put("alicloudsnapshots", snapshotIds)
alicloudImages := make(map[string]string)
alicloudImages[config.AlicloudRegion] = images[0].ImageId
state.Put("alicloudimages", alicloudImages)
return multistep.ActionContinue
}
func (s *stepCreateAlicloudImage) Cleanup(state multistep.StateBag) {
if s.image == nil {
return
}
config := state.Get("config").(*Config)
encryptedSet := config.ImageEncrypted.True()
_, cancelled := state.GetOk(multistep.StateCancelled)
_, halted := state.GetOk(multistep.StateHalted)
if !cancelled && !halted && !encryptedSet {
return
}
client := state.Get("client").(*ClientWrapper)
ui := state.Get("ui").(packersdk.Ui)
if !cancelled && !halted && encryptedSet {
ui.Say(fmt.Sprintf("Deleting temporary image %s(%s) and related snapshots after finishing encryption...", s.image.ImageId, s.image.ImageName))
} else {
ui.Say("Deleting the image and related snapshots because of cancellation or error...")
}
deleteImageRequest := ecs.CreateDeleteImageRequest()
deleteImageRequest.RegionId = config.AlicloudRegion
deleteImageRequest.ImageId = s.image.ImageId
if _, err := client.DeleteImage(deleteImageRequest); err != nil {
ui.Error(fmt.Sprintf("Error deleting image, it may still be around: %s", err))
return
}
//Delete the snapshot of this image
for _, diskDevices := range s.image.DiskDeviceMappings.DiskDeviceMapping {
deleteSnapshotRequest := ecs.CreateDeleteSnapshotRequest()
deleteSnapshotRequest.SnapshotId = diskDevices.SnapshotId
if _, err := client.DeleteSnapshot(deleteSnapshotRequest); err != nil {
ui.Error(fmt.Sprintf("Error deleting snapshot, it may still be around: %s", err))
return
}
}
}
func (s *stepCreateAlicloudImage) buildCreateImageRequest(state multistep.StateBag, imageName string) *ecs.CreateImageRequest {
config := state.Get("config").(*Config)
request := ecs.CreateCreateImageRequest()
request.ClientToken = uuid.TimeOrderedUUID()
request.RegionId = config.AlicloudRegion
request.ImageName = imageName
request.ImageVersion = config.AlicloudImageVersion
request.Description = config.AlicloudImageDescription
if s.AlicloudImageIgnoreDataDisks {
snapshotId := state.Get("alicloudsnapshot").(string)
request.SnapshotId = snapshotId
} else {
instance := state.Get("instance").(*ecs.Instance)
request.InstanceId = instance.InstanceId
}
return request
}