fix_aws_dns.yml

---
# Refresh Route53 DNS for existing bootstrap VMs (for example after a cold start changes public IPs).
- name: Fix AWS DNS (needed on cold start)
  hosts: build_control
  connection: local
  become: false
  gather_facts: false
  vars_files:
    - vars/aws_vars.yml
    - ../vars/bootstrap_vars.yml
    - ~/agof_vault.yml
  vars:
    ec2_provision_instances: false
    ec2_wait: false
  tasks:
    - name: collection final check
      block:
        - name: run AWS check setup
          ansible.builtin.include_role:
            name: roles/aws_check_setup

      rescue:
        - name: Error with setup
          ansible.builtin.fail:
            msg: >-
              fix_aws_dns failed during AWS check_setup. Scroll up for the exact error.

    - name: Check for saved AWS state
      ansible.builtin.stat:
        path: "{{ pattern_state_rootdir }}/{{ ec2_name_prefix }}/aws_state_vars.yml"
      register: agof_aws_statevars

    - name: Load saved AWS state when present
      ansible.builtin.include_vars:
        file: "{{ pattern_state_rootdir }}/{{ ec2_name_prefix }}/aws_state_vars.yml"
      when: agof_aws_statevars.stat.exists

    - name: Assert variables required to refresh DNS are available
      ansible.builtin.assert:
        that:
          - ec2_name_prefix is defined
          - ec2_name_prefix | length > 0
          - ec2_region is defined
          - ec2_region | length > 0
          - pattern_dns_zone is defined
          - pattern_dns_zone | length > 0
        fail_msg: >-
          fix_aws_dns needs ec2_name_prefix, ec2_region, and pattern_dns_zone from
          ~/agof_vault.yml or {{ pattern_state_rootdir }}/{{ ec2_name_prefix }}/aws_state_vars.yml
          after a successful AWS init.

    - name: Refresh inventory and Route53 DNS for existing bootstrap instances
      ansible.builtin.include_role:
        name: roles/manage_ec2_instances