rpi-home-cluster-setup/step2/roles/common/tasks/networking.yml

---
- name: Set hostname
  ansible.builtin.hostname:
    name: '{{ inventory_hostname }}'

- name: "Build hosts file"
  lineinfile:
    dest: /etc/hosts
    regexp: '.*{{ item }}$'
    line: "{{hostvars[item]['ansible_default_ipv4']['address']}} {{item}} {{item}}.local"
    state: present
  register: etchostsupdate
  when: hostvars[item]['ansible_facts']['default_ipv4'] is defined
  with_items:
    - "{{ groups['all'] }}"

- name: Install packages for networking
  ansible.builtin.package:
    name:
      - dbus
      - avahi
      - kubernetes
      - kubectl
      - docker
      - cni-plugins
      - kubelet
      - kubeadm
      - sudo
      - curl
    state: present

- name: Enable service dbus
  ansible.builtin.service:
    name: dbus
    state: started
    enabled: yes

- name: Overwrite avahi config
  ansible.builtin.copy:
    src: static/avahi-config
    dest: /etc/avahi/avahi-daemon.conf
    owner: root
    group: root
    mode: '0644'
    backup: yes

- name: Enable service avahi
  ansible.builtin.service:
    name: avahi-daemon
    state: restarted
    enabled: yes

- name: Enable service docker
  ansible.builtin.service:
    name: docker
    state: started
    enabled: yes

- name: Enable service kubelet
  ansible.builtin.service:
    name: kubelet
    state: started
    enabled: yes

- name: Enable promisc mode for ARP requests
  ansible.builtin.shell:
    cmd: |
      ip link set eth0 promisc on