Uses the meta module, introduced in Ansible 2.0, to refresh the inventory mid play

main.yml

---
- name: App servers
  local_action:
    module: rax
    credentials: ~/.rackspace_cloud_credentials
    region: "{{ region }}"
    name: "{{ target_environment }}-{{ region }}-app-%02d"
    count: "{{ app_server_count }}"
    exact_count: yes
    group: "{{ target_environment }}_app_servers"
    meta:
        groups: "{{ target_environment }},app_servers,{{ target_environment }}_nrpe_servers"
        build_config: "core,monitoring"
    files:
        /root/.ssh/authorized_keys: "./ansible_key_{{ target_environment }}.pub"
    flavor: "{{ app_server_rackspace_flavor }}"
    image: "{{ debian8_image_id }}"
    state: present
    networks:
        - private
        - public
        - "{{ network_name }}"
    wait: yes
    wait_timeout: 900
  register: new_app_servers

- meta: refresh_inventory

- name: Create A records for all new servers
  local_action:
    module: rax_dns_record
    credentials: ~/.rackspace_cloud_credentials
    domain: gamevy.com
    name: "{{ item.name }}.gamevy.com"
    data: "{{ item.rax_accessipv4 }}"
    type: A
    region: "{{ region }}"
  with_items: "groups.{{ target_environment }}"