create_pex.yml

---

# Adjust the variables (vars) and then execute it with: $ ansible-playbook -b create_pex.yml    (if sudo is necessary use option -K)

- name: run the creation of a logprep pex file on the localhost
  hosts: 127.0.0.1
  connection: local
  become: false
  gather_facts: true

  vars:
    virtualenv_location: "~/.virtualenvs/logprep_env"
    python_interpreter_location: "/usr/bin/python3"  # use Python 3.6
    project_location: "~/PycharmProjects/logprep/"


  tasks:

  # Hint: the libraries of the logprep must not be installed in the virtualenv!
  - name: Create Virtualenv with PEX
    pip:
      name: pex
      virtualenv: "{{ virtualenv_location }}"
      virtualenv_python: "{{ python_interpreter_location }}"

  - name: Upgrade pip and wheel
    shell: "{{ python_interpreter_location }} -m pip install pip --upgrade &&
    {{ python_interpreter_location }} -m pip install wheel --upgrade"

  - name: Repack confluent-kafka wheel
    shell: "cd {{ project_location }} &&
    rm -rf tmp_pip_cache &&
    mkdir tmp_pip_cache &&
    cd tmp_pip_cache &&
    {{ python_interpreter_location }} -m pip download $(cat ../requirements.txt | grep confluent-kafka) &&
    unzip * &&
    rm *.whl &&
    {{ python_interpreter_location }} -m wheel pack ."

  - name: Build Pex File
    shell: ". {{ virtualenv_location }}/bin/activate &&
    pex . -r requirements.txt -o ./logprep.pex -c logprep --pex-root=tmp_pip_cache --python={{ python_interpreter_location }}"  # use Python 3.6