# Implementation for checking pip requirements files via via pip-tools.

- name: Install virtualenv for pip requirements checks

  apt: name=virtualenv state=installed

- name: Create dedicated group for user running pip requirements checks

  group: name="pipreqcheck" gid="{{ pipreqcheck_gid | default(omit) }}" state=present

- name: Create user for running pip requirements checks

  user: name="pipreqcheck" uid="{{ pipreqcheck_uid | default(omit) }}" group="pipreqcheck"

        home="/var/lib/pipreqcheck" state=present

- name: Create directory for Python virtual environment used for installing/running pip-tools

  file: path="/var/lib/pipreqcheck/virtualenv" state=directory

        owner="pipreqcheck" group="pipreqcheck" mode="0750"

- name: Create Python virtual environment used for installing/running pip-tools

  become_user: "pipreqcheck"

  command: /usr/bin/virtualenv --prompt "(pipreqcheck)" "/var/lib/pipreqcheck/virtualenv" creates="/var/lib/pipreqcheck/virtualenv/bin/activate"

- name: Create directory for storing pip requirements files

  file: path="/etc/pip_check_requirements_upgrades" state="directory"

        owner="root" group="pipreqcheck" mode=750

- name: Set-up directory for storing pip requirements file for pip-tools virtual environment itself

  file: path="/etc/pip_check_requirements_upgrades/pipreqcheck" state="directory"

        owner="root" group="pipreqcheck" mode=750

- name: Deploy .in file for pip requirements in pip-tools virtual environment

  copy: src="pipreqcheck_requirements.in" dest="/etc/pip_check_requirements_upgrades/pipreqcheck/requirements.in"

        owner="root" group="pipreqcheck" mode=640

- name: Deploy requirements file for pipreqcheck virtual environment

  template: src="pipreqcheck_requirements.txt.j2" dest="/etc/pip_check_requirements_upgrades/pipreqcheck/requirements.txt"

            owner="root" group="pipreqcheck" mode=640

- name: Install latest pip in pip-tools virtual environment

  become_user: "pipreqcheck"

  pip: name=pip state=latest virtualenv="~pipreqcheck/virtualenv"

- name: Install pip-tools if not present

  become_user: "pipreqcheck"

  pip: name=pip-tools state=present virtualenv="~pipreqcheck/virtualenv"

- name: Synchronise pip-tools virtual environment via deployed requirements file

  become_user: "pipreqcheck"

  shell: "source ~pipreqcheck/virtualenv/bin/activate && pip-sync /etc/pip_check_requirements_upgrades/pipreqcheck/requirements.txt"

  args:

    executable: /bin/bash

  register: pipreqcheck_pip_sync

  changed_when: "pipreqcheck_pip_sync.stdout != 'Everything up-to-date'"

- name: Deploy script for checking available upgrades

  copy: src="pip_check_requirements_upgrades.sh" dest="/usr/local/bin/pip_check_requirements_upgrades.sh"

        owner=root group=root mode=755

- name: Deploy crontab entry for checking pip requirements

  cron: name="check_pip_requirements" cron_file="check_pip_requirements" hour=0 minute=0 job="/usr/local/bin/pip_check_requirements_upgrades.sh /etc/pip_check_requirements_upgrades"

        state=present user=pipreqcheck