main.yml

---
- name: Set up cluster-wide configuration.
  hosts: cluster
  gather_facts: false
  become: true

  handlers:
    - name: reboot-pi
      reboot:

  vars_files:
    - config.yml

  tasks: []


- name: Configure the control plane (node 1).
  hosts: control_plane
  gather_facts: false
  become: true

  vars_files:
    - config.yml

  tasks:
    # See: https://forums.raspberrypi.com/viewtopic.php?t=274486
    - name: Set up the Debian unstable repo (TODO).
      meta: noop

    # See: https://ceph.com/en/news/blog/2022/install-ceph-in-a-raspberrypi-4-cluster/
    - name: Install cephadm (TODO).
      meta: noop

    - name: Create the ceph cluster (TODO).
      meta: noop

    - name: Retrieve the ceph pubkey.
      ansible.builtin.fetch:
        src: /etc/ceph/ceph.pub
        dest: files/ceph.pub
        flat: yes

    - name: Ensure NFS dependencies are installed.
      ansible.builtin.package:
        name:
          - libcephfs2
          - nfs-ganesha
          - nfs-ganesha-ceph
        state: present

- name: Configure the nodes (nodes 2-6).
  hosts: nodes
  gather_facts: false
  become: true

  vars_files:
    - config.yml

  tasks:
    - name: Ensure Ceph dependencies are installed.
      ansible.builtin.package:
        name:
          - podman
          - lvm2
        state: present

    - name: Copy the ceph pubkey to each node.
      ansible.posix.authorized_key:
        user: root
        state: present
        key: "{{ lookup('file', 'files/ceph.pub') }}"