A playbook for building a jupyter notebook with IElixir

ielixir-playbook.yml

# playbook.yml
# installs ielixir/jupyter on a stand-alone docker.
# see: http://mattvonrocketstein.github.io/heredoc/ielixir-notebook-in-docker.html
- hosts: docker
  become: yes
  become_method: sudo
  gather_facts: False
  vars:
     erls_url: "https://packages.erlang-solutions.com/erlang-solutions_1.0_all.deb"
     ielixir_repo: "https://github.com/pprzetacznik/IElixir.git"
     ielixir_hash: "fb9dc5f0ce"
     venv_dir: "/root/venv"
  tasks:
    - name: Download erlang_solutions
      get_url:
        url="{{erls_url}}"
        dest="/root"
    - name: install erlang-solutions_1
      command: dpkg -i /root/erlang-solutions_1.0_all.deb
    - name: Updating APT cache
      apt: update_cache=yes force=yes
    - name: Installing erlang, elixir, and python deps
      apt:
        name: "{{item}}"
      with_items:
        - esl-erlang
        - elixir
        - git
        - build-essential
        - python-virtualenv
    # meddle with locales because of the error here:
    # warning: the VM is running with native name encoding
    # of latin1 which may cause Elixir to malfunction as it
    # expects utf8.
    - name: Fix locales
      locale_gen: name=en_US.UTF-8 state=present
    - name: Install notebook
      pip:
        name: notebook==4.2.1
        virtualenv: "{{venv_dir}}"
        virtualenv_python: python2.7
    - name: Install jupyter
      pip:
        name: jupyter-console==5.0
        virtualenv: "{{venv_dir}}"
        virtualenv_python: python2.7
    - name: Clone IElixir
      git:
        repo: "{{ielixir_repo}}"
        dest: /root/IElixir
        force: yes
        update: no
        version: "{{ielixir_hash}}"
    - name: Run mix tasks
      command: "{{item}}"
      args:
        chdir: /root/IElixir
      with_items:
        - mix local.hex --force
        - mix local.rebar --force
        - mix deps.get
        - mix compile
    - name: Install IElixir kernel
      command: ./install_script.sh
      args:
        chdir: /root/IElixir
        creates:  /root/.ipython/kernels/ielixir/