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

49 lines
1.2 KiB
Go

package ecs
import (
"fmt"
"github.com/denverdino/aliyungo/common"
"github.com/denverdino/aliyungo/ecs"
"github.com/hashicorp/packer/packer"
"github.com/mitchellh/multistep"
)
type stepPreValidate struct {
AlicloudDestImageName string
ForceDelete bool
}
func (s *stepPreValidate) Run(state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
if s.ForceDelete {
ui.Say("Force delete flag found, skipping prevalidating image name.")
return multistep.ActionContinue
}
client := state.Get("client").(*ecs.Client)
config := state.Get("config").(Config)
ui.Say("Prevalidating image name...")
images, _, err := client.DescribeImages(&ecs.DescribeImagesArgs{
ImageName: s.AlicloudDestImageName,
RegionId: common.Region(config.AlicloudRegion)})
if err != nil {
err := fmt.Errorf("Error querying alicloud image: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
if len(images) > 0 {
err := fmt.Errorf("Error: name conflicts with an existing alicloud image: %s", images[0].ImageId)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *stepPreValidate) Cleanup(multistep.StateBag) {}