# Hostname setzen
#
# Verwendung:
#   ansible-playbook playbooks/set-hostname.yml --limit laptop05 -e "new_hostname=laptop05"
#
---
- name: Hostname setzen
  hosts: all
  become: yes

  tasks:
    - name: Hostname setzen
      hostname:
        name: "{{ new_hostname | default(inventory_hostname) }}"

    - name: /etc/hosts aktualisieren
      lineinfile:
        path: /etc/hosts
        regexp: '^127\.0\.1\.1'
        line: "127.0.1.1\t{{ new_hostname | default(inventory_hostname) }}"

    - name: Neuer Hostname
      debug:
        msg: "Hostname gesetzt auf: {{ new_hostname | default(inventory_hostname) }}"