main.yml

---
# roles/jupyter-lab

- name: Notebooks dir
  file:
    path: "/home/{{ target_user }}/notebooks"
    state: directory
    owner: "{{ target_user }}"
    group: "{{ target_user }}"

# This should be optimized so that only one check / install is needed
# Still we should make sure that pip3 is actually installed before trying to use it
- name: Install dependecies
  become: true
  apt:
    name:
      - python3-pip
      - python3-venv
    state: present
    update_cache: true

- name: Install jupyter-lab
  pip:
    virtualenv_command: /usr/bin/python3 -m venv
    virtualenv: "/home/{{ target_user }}/.ml-venv"
    name: jupyterlab
    state: present

- name: Install systemd service
  become: true
  template:
    src: files/jupyter.service
    dest: /etc/systemd/system/jupyter.service
    mode: '0644'
  when: jupyter_service

- name: Start Jupyter-Lab service
  become: true
  systemd:
    name: jupyter
    state: started
    enabled: true
    daemon_reload: true
  when: jupyter_service