tljh.yml

---
- hosts: all
  become: true
  vars_files:
    - vars/default.yml

  tasks:
    - name: Install required system packages
      apt: name={{ item }} state=latest update_cache=yes
      loop: [ 'curl', 'python3', 'python3-dev', 'python3-pip']

    - name: Download the TLJH installer
      get_url:
        url: "{{ tljh_installer_url }}"
        dest: "{{ tljh_installer_dest }}"

    - name: Check if the tljh-plasma is already installed
      command: "{{ tljh_prefix }}/hub/bin/python3 -c 'import tljh_plasma'"
      register: tljh_plasma_installed
      failed_when: tljh_plasma_installed.rc > 2
      changed_when: False

    - name: Upgrade the tljh-plasma plugin first if it is already installed
      shell: "{{ tljh_prefix }}/hub/bin/pip3 install --upgrade {{ tljh_plasma }} {{ tljh_repo2docker }}"
      when: tljh_plasma_installed.rc == 0

    - name: Run the TLJH installer
      shell: |
        {{ ansible_python_interpreter }} {{ tljh_installer_dest }} --no-user-env \
          --plugin {{ tljh_plasma }} {{ tljh_repo2docker }}
      # TODO: remove when --no-user-env (or equivalent) is available
      environment:
        TLJH_BOOTSTRAP_PIP_SPEC: "{{ tljh_bootstrap_pip_spec }}"

    - name: Set the idle culler timeout to 1 hour
      shell: "tljh-config set services.cull.timeout 3600"

    - name: Set the default memory and cpu limits
      shell: |
        tljh-config set limits.memory 2G
        tljh-config set limits.cpu 2

    - name: Reload the hub
      shell: "tljh-config reload hub"

    # Pull the repo2docker image to build user images
    - name: Pull the repo2docker Docker image
      docker_image:
        name: quay.io/jupyterhub/repo2docker
        tag: main
        source: pull