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