aws_lab_launch.yml

---
- name: Create AWS instances for {{ lab_user}} for use with Lab {{ lab_name }}
  hosts: localhost
  gather_facts: no
  vars_files:
    - aws_vars.yml
  tasks:
  - name: Provision AWS Tower Instances
    ec2:
      aws_access_key: "{{ec2_access_key}}"
      aws_secret_key: "{{ec2_secret_key}}"
      key_name: "{{ aws_key_name }}"
      group: "{{ aws_sec_group }}"
      instance_type: "{{ tower_inst_type }}"
      image: "{{ tower_ami_id }}"
      wait: yes
      instance_tags:
        Name: "tower-{{ lab_user }}-{{ item }}.{{ domain_name }}"
        lab_name: "{{ lab_name }}"
        lab_user: "{{ lab_user }}"
        lab_role: "tower"
        student_id: "{{ lab_user }}-{{ item }}"
      vpc_subnet_id: "{{ aws_subnet_id }}"
      zone: "{{ aws_az_1 }}"
      assign_public_ip: yes
      region: "{{ aws_region }}"
      state: present
    with_sequence: start={{ student_count_start }} end={{ student_count_end }}
    register: instances_created

  - debug:
      var: instances_created
      verbosity: 2

  - name: Wait for ssh
    wait_for:
      port: 22
      host: "{{ item.instances.0.public_ip }}"
      timeout: 1000
    with_items: "{{ instances_created.results }}"
    ignore_errors: yes

  - add_host:
      hostname: "{{ item.instances.0.tags.Name }}"
      ansible_host: "{{ item.instances.0.public_ip }}"
      public_dns_name: "{{ item.instances.0.public_dns_name }}"
      public_ip: "{{ item.instances.0.public_ip }}"
      groups: tower_instances
      student_id: "{{ item.instances.0.tags.student_id }}"
    with_items: "{{ instances_created.results }}"

  - debug:
      var: groups
      verbosity: 2

- name: Create AWS route53 entries for Tower instances
  hosts: tower_instances
  gather_facts: no
  vars_files:
    - aws_vars.yml
  vars:
    - ansible_user: ec2-user

  tasks:
    - debug:
        var: hostvars
        verbosity: 2

    - name: Register route53 entries
      local_action:
        module: route53
        command: create
        aws_access_key: "{{ec2_access_key}}"
        aws_secret_key: "{{ec2_secret_key}}"
        zone: "{{ domain_name }}"
        type: A
        overwrite: True
        ttl: 60
        record: "{{ inventory_hostname }}"
        value: "{{ public_ip }}"
        wait: yes

    - name: Wait for resolvable route53 hostname
      local_action: command host {{ inventory_hostname }}
      register: host_result
      until: host_result.rc == 0
      retries: 60
      delay: 5

- import_playbook: tower_config.yml
  when: tower_config is defined
...