maintenance/aws-janitor/regions/regions.go
func GetAll(sess *session.Session) ([]string, error) {
	var regions []string
	svc := ec2.New(sess, &aws.Config{Region: aws.String(Default)})
	resp, err := svc.DescribeRegions(nil)
	if err != nil {
		return nil, err
	}
	for _, region := range resp.Regions {
		regions = append(regions, *region.RegionName)
	}
	return regions, nil
}
func GetAll(sess *session.Session) ([]string, error) {
	var regions []string
	svc := ec2.New(sess, &aws.Config{Region: aws.String(Default)})
	resp, err := svc.DescribeRegions(nil)
	if err != nil {
		return nil, err
	}
	for _, region := range resp.Regions {
		regions = append(regions, *region.RegionName)
	}
	return regions, nil
}
// GetAll retrieves all regions from the AWS API