def METHOD_NAME(resource):
    client = local_session(self.session_factory).client('glacier')
    tag_dict = self.retry(
        client.list_tags_for_vault,
        vaultName=resource[self.get_model().name])['Tags']
    tag_list = []
    for k, v in tag_dict.items():
        tag_list.append({'Key': k, 'Value': v})
    resource['Tags'] = tag_list
    return resource