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

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package common
import (
"fmt"
"log"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
)
func DestroyAMIs(imageids []*string, ec2conn *ec2.EC2) error {
resp, err := ec2conn.DescribeImages(&ec2.DescribeImagesInput{
ImageIds: imageids,
})
if err != nil {
err := fmt.Errorf("Error describing AMI: %s", err)
return err
}
// Deregister image by name.
for _, i := range resp.Images {
_, err := ec2conn.DeregisterImage(&ec2.DeregisterImageInput{
ImageId: i.ImageId,
})
if err != nil {
err := fmt.Errorf("Error deregistering existing AMI: %s", err)
return err
}
log.Printf("Deregistered AMI id: %s", *i.ImageId)
// Delete snapshot(s) by image
for _, b := range i.BlockDeviceMappings {
if b.Ebs != nil && aws.StringValue(b.Ebs.SnapshotId) != "" {
_, err := ec2conn.DeleteSnapshot(&ec2.DeleteSnapshotInput{
SnapshotId: b.Ebs.SnapshotId,
})
if err != nil {
err := fmt.Errorf("Error deleting existing snapshot: %s", err)
return err
}
log.Printf("Deleted snapshot: %s", *b.Ebs.SnapshotId)
}
}
}
return nil
}