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

88 lines
2.3 KiB
Go

package ecs
import (
"context"
"fmt"
"github.com/aliyun/alibaba-cloud-sdk-go/services/ecs"
"github.com/hashicorp/packer-plugin-sdk/multistep"
packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
)
type stepPreValidate struct {
AlicloudDestImageName string
ForceDelete bool
}
func (s *stepPreValidate) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
if err := s.validateRegions(state); err != nil {
return halt(state, err, "")
}
if err := s.validateDestImageName(state); err != nil {
return halt(state, err, "")
}
return multistep.ActionContinue
}
func (s *stepPreValidate) validateRegions(state multistep.StateBag) error {
ui := state.Get("ui").(packersdk.Ui)
config := state.Get("config").(*Config)
if config.AlicloudSkipValidation {
ui.Say("Skip region validation flag found, skipping prevalidating source region and copied regions.")
return nil
}
ui.Say("Prevalidating source region and copied regions...")
var errs *packersdk.MultiError
if err := config.ValidateRegion(config.AlicloudRegion); err != nil {
errs = packersdk.MultiErrorAppend(errs, err)
}
for _, region := range config.AlicloudImageDestinationRegions {
if err := config.ValidateRegion(region); err != nil {
errs = packersdk.MultiErrorAppend(errs, err)
}
}
if errs != nil && len(errs.Errors) > 0 {
return errs
}
return nil
}
func (s *stepPreValidate) validateDestImageName(state multistep.StateBag) error {
ui := state.Get("ui").(packersdk.Ui)
client := state.Get("client").(*ClientWrapper)
config := state.Get("config").(*Config)
if s.ForceDelete {
ui.Say("Force delete flag found, skipping prevalidating image name.")
return nil
}
ui.Say("Prevalidating image name...")
describeImagesRequest := ecs.CreateDescribeImagesRequest()
describeImagesRequest.RegionId = config.AlicloudRegion
describeImagesRequest.ImageName = s.AlicloudDestImageName
describeImagesRequest.Status = ImageStatusQueried
imagesResponse, err := client.DescribeImages(describeImagesRequest)
if err != nil {
return fmt.Errorf("Error querying alicloud image: %s", err)
}
images := imagesResponse.Images.Image
if len(images) > 0 {
return fmt.Errorf("Error: Image Name: '%s' is used by an existing alicloud image: %s", images[0].ImageName, images[0].ImageId)
}
return nil
}
func (s *stepPreValidate) Cleanup(multistep.StateBag) {}