dnssetup.yml

- name: Update /etc/hosts file on all servers for DNS
  hosts: all
  become: yes
  gather_facts: yes
  vars_prompt:
    - name: "oracleprivatelbip"
      prompt: "Enter Oracle Load Balancer Private IP"
    - name: "azureprivatelbip"
      prompt: "Enter Azure Load Balancer Private IP"

  tasks:
    # - name: Add or update /etc/hosts entries for inventory hosts
    #   lineinfile:
    #     path: /etc/hosts
    #     regexp: '^{{ hostvars[host].ansible_default_ipv4.address }}\\s+{{ host }}$'
    #     line: "{{ hostvars[host].ansible_default_ipv4.address }} {{ host }}"
    #     state: present
    #   loop: "{{ groups['all'] }}"
    #   loop_control:
    #     loop_var: host
    #   when: hostvars[host].ansible_default_ipv4.address is defined
    #   check_mode: no

    - name: Add Oracle Load Balancer IP
      lineinfile:
        path: /etc/hosts
        regexp: '^{{ oracleprivatelbip }}\\s+oracle_lb$'
        line: "{{ oracleprivatelbip }} oracle_lb"
        state: present

    - name: Add Azure Load Balancer IP
      lineinfile:
        path: /etc/hosts
        regexp: '^{{ azureprivatelbip }}\\s+azure_lb$'
        line: "{{ azureprivatelbip }} azure_lb"
        state: present