vn-ansible/roles/config-hostname/tasks/main.yaml

# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Configure HOSTNAME and HOSTS with new HOSTNAME
# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Configure HOSTNAME /etc/hostname
- name: Set a hostname specifying strategy in /etc/hostname
  ansible.builtin.hostname:
    name: "{{ name_hostname }}"
    use: debian
# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
- name: Replace old hostname with new hostname in /etc/hosts
  lineinfile:
    dest: /etc/hosts
    regexp: '^127\.0\.1\.1\tplantilladebian12\.verdnatura\.es\tplantilladebian12'
    line: '127.0.1.1	{{ name_hostname }}.verdnatura.es	{{ name_hostname }}'
# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# https://docs.ansible.com/ansible/latest/collections/ansible/builtin/hostname_module.html#ansible-collections-ansible-builtin-hostname-module
# https://docs.ansible.com/ansible/latest/collections/ansible/builtin/replace_module.html#ansible-collections-ansible-builtin-replace-module
# https://docs.ansible.com/ansible/latest/collections/ansible/builtin/lineinfile_module.html#ansible-collections-ansible-builtin-lineinfile-module