aws_add_node.yml

---
- name: Create OpenShift Instances for Scale Up
  hosts: localhost
  gather_facts: no
  vars_files:
    - aws_vars.yml
  tasks:
    - name: Provision AWS Instances for Scale Up
      ec2:
        key_name: "{{ aws_key_name }}"
        group: "{{ aws_sec_group }}"
        instance_type: "{{ item.type }}"
        image: "{{ item.image }}"
        wait: yes
        instance_tags:
          "{'Name': '{{ item.name }}-{{ student_id }}.{{ domain_name }}', 'lab_name': '{{ lab_name }}', 'lab_user': '{{ lab_user }}', 'lab_role': '{{ item.meta.node_type }}', 'student_id': '{{ student_id }}', 'node_group': '{{ item.meta.node_group }}', 'kubernetes.io/cluster/{{ student_id }}': '{{ student_id }}'}"
        vpc_subnet_id: "{{ aws_subnet_id }}"
        zone: "{{ aws_az_1 }}"
        assign_public_ip: yes
        region: "{{ aws_region }}"
        state: present
        user_data: "{{ lookup('template', 'aws_user_data.j2') }}"
      with_items: "{{ aws_instances }}"
      when: item.meta.node_type == 'node' or item.meta.node_type == 'new_node'
      register: instances_created
  
    - 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: OSEv3
        student_id: "{{ item.instances.0.tags.student_id }}"
      when: item['instances'] is defined
      with_items: "{{ instances_created.results }}"

    - debug:
        var: groups
        verbosity: 2

    - name: Wait for ssh
      wait_for:
        port: 22
        host: "{{ item.instances.0.public_ip }}"
        timeout: 1000
      when: item['instances'] is defined
      with_items: "{{ instances_created.results }}"

    - name: Register Host DNS
      route53:
        command: create
        zone: "{{ domain_name }}"
        type: A
        overwrite: True
        ttl: 60
        record: "{{ item['instances'][0]['tags']['Name'] }}"
        value: "{{ item['instances'][0]['public_ip'] }}"
        wait: yes
      when: item['instances'] is defined
      with_items: "{{ instances_created.results }}"

    - name: Wait for resolvable route53 hostname
      local_action: command host {{ item['instances'][0]['tags']['Name'] }}
      register: host_result
      until: host_result.rc == 0
      retries: 60
      delay: 5
      when: item['instances'] is defined
      with_items: "{{ instances_created.results }}"
...