- name: Record (initial) disk space used
  shell: df -B1 --output=used / | tail -1
  register: df1


- name: Download {{ kalite_requirements }} to {{ pip_packages_dir }}/kalite.txt
  get_url:
    url: "{{ kalite_requirements }}"
    dest: "{{ pip_packages_dir }}/kalite.txt"    # /opt/iiab/pip-packages/kalite.txt
    timeout: "{{ download_timeout }}"

# 2020-01-19: https://github.com/piwheels/packages/issues/74 says the following is no longer needed...
#- name: Run 'mv /etc/pip.conf /etc/pip.conf.see-iiab-issue-2139' as "TEMPORARY" workaround (2020-01-17) for piwheels.org's setuptools Python 2/3 brokenness on RPi (https://github.com/iiab/iiab/issues/2139)
#  command: mv /etc/pip.conf /etc/pip.conf.see-iiab-issue-2139
#  ignore_errors: yes
#  when: is_raspbian

- name: 'Install packages: python2, python-setuptools, virtualenv (for Python 2) -- if Ubuntu 22.04 / Mint 21'
  package:
    name:
      - python2
      - python-setuptools    # Provides setuptools-44 on recent OS's (last version compatible with python2)
      - virtualenv           # Drags in 'python3-virtualenv' which in turn drags in 'python3-pip' -- for Ansible module 'pip' when used with 'virtualenv_command: /usr/bin/virtualenv' and 'virtualenv_python: python2.7' -- compare package 'python3-venv' used by roles {calibre-web, jupyterhub, lokole}
    state: present
  when: is_ubuntu_2204    # Also covers is_linuxmint_21

- name: Run scripts/install_python2.sh to install python2 and virtualenv -- if Debian 12 or RasPiOS 12
  command: "{{ iiab_dir }}/scripts/install_python2.sh"
  when: is_debian_12    # Also covers is_raspbian_12

- name: Use pip to pin setuptools to 44 in {{ kalite_venv }} -- if Ubuntu 22.04 / Mint 21, Ubuntu 23.10, Debian 12 or RasPiOS 12
  pip:
    name: setuptools==44
    virtualenv: "{{ kalite_venv }}"    # /usr/local/kalite/venv
    virtualenv_site_packages: no
    virtualenv_command: virtualenv    # Traditionally /usr/bin/virtual/env -- but install_python2.sh (for Ubuntu 23.10+) sets up /usr/local/bin/virtualenv
    virtualenv_python: python2.7
    extra_args: "--no-use-pep517 --no-cache-dir --no-python-version-warning"
  when: is_ubuntu_2204 or is_ubuntu_2310 or is_debian_12    # Also covers is_linuxmint_21 and is_raspbian_12

- name: Use pip to install ka-lite-static to {{ kalite_venv }} -- if Ubuntu 22.04 / Mint 21, Ubuntu 23.10, Debian 12 or RasPiOS 12
  pip:
    name: ka-lite-static
    version: "{{ kalite_version }}"
    virtualenv: "{{ kalite_venv }}"
    virtualenv_site_packages: no
    virtualenv_command: virtualenv
    virtualenv_python: python2.7
    extra_args: "--no-cache-dir"
  when: is_ubuntu_2204 or is_ubuntu_2310 or is_debian_12    # Also covers is_linuxmint_21 and is_raspbian_12

- name: Run scripts/install_python2_kalite-venv_u2404.sh -- if Ubuntu 24.04+ or Mint 22
  command: bash "{{ iiab_dir }}/scripts/install_python2_kalite-venv_u2404.sh"
  when: is_ubuntu and not is_linuxmint and os_ver is version('ubuntu-2404', '>=') or is_linuxmint_22

- name: "Install from templates: venv wrapper /usr/bin/kalite, unit file /etc/systemd/system/kalite-serve.service"
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    mode: "{{ item.mode }}"
  with_items:
    - { src: 'kalite.sh.j2', dest: '/usr/bin/kalite', mode: '0755' }
    - { src: 'kalite-serve.service.j2', dest: '/etc/systemd/system/kalite-serve.service', mode: '0644' }

- name: Fix KA Lite bug in regex parsing ifconfig output (ifcfg/parser.py) for @m-anish's network names that contain dashes    # WAS: if Raspbian/Debian > 10 or Ubuntu > 19
  replace:
    path: "{{ kalite_venv }}/lib/python2.7/site-packages/kalite/packages/dist/ifcfg/parser.py"    # /usr/local/kalite/venv
    regexp: 'a-zA-Z0-9'
    replace: 'a-zA-Z0-9\-'

- name: Create dir {{ kalite_root }}
  file:
    state: directory
    path: "{{ kalite_root }}/httpsrv/static"    # /library/ka-lite

- name: Run '{{ kalite_program }} manage setup ...'
  command: "{{ kalite_program }} manage setup --username={{ kalite_admin_user }} --password={{ kalite_admin_password }} --noinput"    # Runs /usr/local/kalite/venv/bin/kalite
  environment:
    KALITE_HOME: "{{ kalite_root }}"    # /library/ka-lite
  async: 1800
  poll: 10


# RECORD KA Lite AS INSTALLED

- name: Record (final) disk space used
  shell: df -B1 --output=used / | tail -1
  register: df2

- name: Add 'kalite_disk_usage = {{ df2.stdout|int - df1.stdout|int }}' to {{ iiab_ini_file }}
  ini_file:
    path: "{{ iiab_ini_file }}"    # /etc/iiab/iiab.ini
    section: kalite
    option: kalite_disk_usage
    value: "{{ df2.stdout|int - df1.stdout|int }}"

- name: "Set 'kalite_installed: True'"
  set_fact:
    kalite_installed: True

- name: "Add 'kalite_installed: True' to {{ iiab_state_file }}"
  lineinfile:
    path: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
    regexp: '^kalite_installed'
    line: 'kalite_installed: True'