packer-cn/builder/amazon/common/step_deregister_ami.go

96 lines
2.5 KiB
Go

package common
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type StepDeregisterAMI struct {
AccessConfig *AccessConfig
ForceDeregister bool
ForceDeleteSnapshot bool
AMIName string
Regions []string
}
func (s *StepDeregisterAMI) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
// Check for force deregister
if !s.ForceDeregister {
return multistep.ActionContinue
}
ui := state.Get("ui").(packer.Ui)
ec2conn := state.Get("ec2").(*ec2.EC2)
// Add the session region to list of regions will will deregister AMIs in
regions := append(s.Regions, *ec2conn.Config.Region)
for _, region := range regions {
// get new connection for each region in which we need to deregister vms
session, err := s.AccessConfig.Session()
if err != nil {
return multistep.ActionHalt
}
regionconn := ec2.New(session.Copy(&aws.Config{
Region: aws.String(region)},
))
resp, err := regionconn.DescribeImages(&ec2.DescribeImagesInput{
Filters: []*ec2.Filter{{
Name: aws.String("name"),
Values: []*string{aws.String(s.AMIName)},
}}})
if err != nil {
err := fmt.Errorf("Error describing AMI: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
// Deregister image(s) by name
for _, i := range resp.Images {
_, err := regionconn.DeregisterImage(&ec2.DeregisterImageInput{
ImageId: i.ImageId,
})
if err != nil {
err := fmt.Errorf("Error deregistering existing AMI: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
ui.Say(fmt.Sprintf("Deregistered AMI %s, id: %s", s.AMIName, *i.ImageId))
// Delete snapshot(s) by image
if s.ForceDeleteSnapshot {
for _, b := range i.BlockDeviceMappings {
if b.Ebs != nil && aws.StringValue(b.Ebs.SnapshotId) != "" {
_, err := regionconn.DeleteSnapshot(&ec2.DeleteSnapshotInput{
SnapshotId: b.Ebs.SnapshotId,
})
if err != nil {
err := fmt.Errorf("Error deleting existing snapshot: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
ui.Say(fmt.Sprintf("Deleted snapshot: %s", *b.Ebs.SnapshotId))
}
}
}
}
}
return multistep.ActionContinue
}
func (s *StepDeregisterAMI) Cleanup(state multistep.StateBag) {
}