Ansible, for example, can easily manage stuff like security groups (http://docs.ansible.com/ansible/ec2_group_module.html) , load balancing (http://docs.ansible.com/ansible/ec2_elb_lb_module.html), IAM users and roles (http://docs.ansible.com/ansible/iam_module.html), etc., and it does them in repeatable, auditable, version-controllable, self-documenting fashion.