site.yaml

- hosts: all
  become: yes
  tasks:
  - name: Delete line in file Hosts
    lineinfile:
      path: /etc/hosts
      regexp: '^127\.0\.1\.1'
      state: absent

  - name: Insert localhost in file Hosts
    lineinfile:
      path: /etc/hosts
      insertafter: '^127\.0\.0\.1'
      line: '127.0.1.1 {{ host_client }}.{{ domain }} {{ host_client }}'

  - name: Insert DNS in file Hosts
    lineinfile:
      path: /etc/hosts
      insertafter: '^127\.0\.1\.1'
      line: '{{ ip_dns }} {{ domain }}'

  - name: Replace name of host
    shell: |
      echo "{{ host_client }}" > /etc/hostname
      hostnamectl set-hostname "{{ host_client }}"
      hostnamectl
      exit 0

  - name: Stop and Disable service of cache DNS
    service:
      name: systemd-resolved
      state: stopped
      enabled: no

  - name: Change configuration of DNS in file NetworkManager
    lineinfile:
      path: /etc/NetworkManager/NetworkManager.conf
      insertafter: '^\[main\]'
      line: 'dns=default'

  - name: Delete file resolv.conf
    file:
      path: /etc/resolv.conf
      state : absent

  - name: Restart services of network interface
    service:
      name: "{{ item }}"
      state: restarted
    with_items:
      - networking
      - network-manager

  - name: Reboot node for apply the changes of hostname
    reboot: