Red Hat Ansible - Assign a FQDN of Windows machine based on the existence of hostname.properties

fqdn.yml

---

# Tested on Ansible 2.9.4
# Assign a FQDN of Windows machine based on the existence of hostname.properties
# Copyright (c) 2020 Lucian Maly, Red Hat

- name: 1.0 | FAILOVER_PORTAL | Find out if the 'hostname.properties' file exists.
    win_stat:
    path: 'C:\Program Files\PRODUCT\FOLDER1\FOLDER2\etc\hostname.properties'
    register: hostname_stat
    tags:
    - failover
    - portal

- block:
    - name: 1.1 | FAILOVER_PORTAL | Fetch the 'hostname.properties' file from the remote host.
        fetch:
        src: 'C:\Program Files\PRODUCT\FOLDER1\FOLDER2\etc\hostname.properties'
        dest: '/tmp/'
        flat: yes
        register: fetch_hostname_file


    - name: 1.2 | FAILOVER_PORTAL | Read the first uncommented hostname line.
        shell: "cat /tmp/hostname.properties | grep -m 1 -e '^hostname='"
        register: file_hostname
        delegate_to: 127.0.0.1

    - name: 1.3 | FAILOVER_PORTAL | Assign the value from the 'hostname.properties' file.
        set_fact:
        hostname: "{{ file_hostname.stdout.split('=')[1] | trim }}"
    when: hostname_stat.stat.exists
    tags:
    - failover
    - portal

- block:
    - name: 1.1 | FAILOVER_PORTAL | Use 'GetHostEntry' to determine the hostname.
        win_command: powershell.exe -
        args:
        stdin: "[System.Net.DNS]::GetHostEntry('{{ ansible_ssh_host }}').HostName"
        register: hostname_gethostentry

    - name: 1.2 | FAILOVER_PORTAL | Assign the value from the 'GetHostEntry' value.
        set_fact:
        hostname: "{{ hostname_gethostentry.stdout | trim }}"
    when: hostname is undefined
    tags:
    - failover
    - portal