---
# Основные задачи для установки Python 3.12
# Автор: Сергей Антропов
# Сайт: https://devops.org.ru

- name: "Отладочная информация о системе"
  debug:
    msg:
      - "ansible_distribution: '{{ ansible_distribution }}'"
      - "ansible_os_family: '{{ ansible_os_family }}'"
      - "ansible_distribution_version: '{{ ansible_distribution_version }}'"
  when: (python_log_level | default("INFO")) in ["DEBUG", "INFO"]

- name: "Определение переменных для текущей ОС"
  set_fact:
    python_distribution: "{{ ansible_distribution | lower }}"
    python_os_family: "{{ ansible_os_family | lower }}"
    python_current_package_manager: "{{ python_package_managers[ansible_distribution | lower] | default('unknown') }}"
    python_current_packages: "{{ python_packages_by_os[ansible_distribution | lower] | default([]) }}"
    python_current_build_deps: "{{ python_build_deps_by_os[ansible_distribution | lower] | default([]) }}"
    python_current_executable: "{{ python_executable_paths[ansible_distribution | lower] | default('/usr/bin/python3.12') }}"
    python_current_pip: "{{ python_pip_paths[ansible_distribution | lower] | default('/usr/bin/pip3.12') }}"

- name: "Проверка определенных переменных"
  debug:
    msg:
      - "python_distribution: '{{ python_distribution }}'"
      - "python_os_family: '{{ python_os_family }}'"
      - "python_current_package_manager: '{{ python_current_package_manager }}'"
      - "python_current_packages: {{ python_current_packages }}"
      - "python_current_build_deps: {{ python_current_build_deps }}"
      - "python_current_executable: '{{ python_current_executable }}'"
      - "python_current_pip: '{{ python_current_pip }}'"
  when: (python_log_level | default("INFO")) in ["DEBUG", "INFO"]

# =============================================================================
# ЭТАП 1: ДОБАВЛЕНИЕ РЕПОЗИТОРИЕВ
# =============================================================================

- name: "Добавление репозиториев для Ubuntu/Debian"
  apt_repository:
    repo: "{{ item.url }}"
    state: "{{ item.state }}"
    update_cache: yes
  loop: "{{ python_repositories[python_distribution] | default([]) }}"
  when:
    - python_distribution in ['ubuntu', 'debian']
    - python_repositories[python_distribution] is defined
  ignore_errors: true

- name: "Добавление репозиториев для RHEL-семейства"
  package:
    name: "{{ item.name }}"
    state: "{{ item.state }}"
  loop: "{{ python_repositories[python_distribution] | default([]) }}"
  when:
    - python_distribution in ['redhat', 'centos', 'rhel', 'rocky', 'alma', 'fedora']
    - python_repositories[python_distribution] is defined
    - item.name != 'scl'
  ignore_errors: true

- name: "Добавление SCL репозиториев для старых RHEL/CentOS"
  yum_repository:
    name: "{{ item.name }}"
    description: "{{ item.name }} repository"
    baseurl: "{{ item.url }}"
    gpgcheck: no
    enabled: yes
  loop: "{{ python_repositories[python_distribution] | default([]) }}"
  when:
    - python_distribution in ['redhat', 'centos', 'rhel']
    - python_repositories[python_distribution] is defined
    - item.name == 'scl'
  ignore_errors: true

# =============================================================================
# ЭТАП 2: ОБНОВЛЕНИЕ ПАКЕТОВ
# =============================================================================

- name: "Обновление списка пакетов"
  package:
    name: "*"
    state: present
  when:
    - python_current_package_manager in ['apt', 'dnf', 'zypper']
    - python_current_package_manager != 'unknown'

- name: "Обновление списка пакетов после добавления репозиториев"
  package:
    name: "*"
    state: present
  when:
    - python_repositories[python_distribution] is defined
    - python_current_package_manager in ['apt', 'dnf']

# =============================================================================
# ЭТАП 3: УСТАНОВКА СИСТЕМНЫХ ЗАВИСИМОСТЕЙ
# =============================================================================

- name: "Установка системных зависимостей для компиляции"
  package:
    name: "{{ python_current_build_deps }}"
    state: present
  when:
    - python_current_build_deps | length > 0
    - python_current_package_manager != 'unknown'
  ignore_errors: true

# =============================================================================
# ЭТАП 4: ПРОВЕРКА И УСТАНОВКА PYTHON СТАНДАРТНЫМ СПОСОБОМ
# =============================================================================

- name: "Проверка наличия Python {{ python_version }}"
  command: "{{ python_current_executable }} --version"
  register: python_version_check
  failed_when: false
  changed_when: false
  when: python_current_executable is defined and python_current_executable != ""

- name: "Установка Python из пакетов (основной способ)"
  package:
    name: "{{ python_current_packages }}"
    state: present
  when:
    - python_current_packages | length > 0
    - python_current_package_manager != 'unknown'
    - python_version_check.rc != 0
  register: python_package_install
  ignore_errors: true

# =============================================================================
# ЭТАП 5: FALLBACK НА АЛЬТЕРНАТИВНЫЕ СПОСОБЫ
# =============================================================================

- name: "Попытка установки альтернативных пакетов Python"
  package:
    name: "{{ python_current_packages | select('match', '.*python3\\.1[12].*') | list }}"
    state: present
  when:
    - python_package_install is defined
    - python_package_install.failed | default(false)
    - python_current_package_manager != 'unknown'
    - python_version_check.rc != 0
  register: python_alt_install
  ignore_errors: true

- name: "Попытка установки SCL пакетов Python"
  package:
    name: "{{ python_current_packages | select('match', '.*rh-python.*') | list }}"
    state: present
  when:
    - python_alt_install is defined
    - python_alt_install.failed | default(false)
    - python_current_package_manager != 'unknown'
    - python_version_check.rc != 0
    - python_distribution in ['redhat', 'centos', 'rhel']
  register: python_scl_install
  ignore_errors: true

# =============================================================================
# ЭТАП 6: КОМПИЛЯЦИЯ ИЗ ИСХОДНИКОВ (ПОСЛЕДНИЙ СПОСОБ)
# =============================================================================

- name: "Скачивание исходного кода Python {{ python_version }}"
  get_url:
    url: "https://www.python.org/ftp/python/{{ python_version }}/Python-{{ python_version }}.tar.xz"
    dest: "/tmp/Python-{{ python_version }}.tar.xz"
    mode: '0644'
  register: download_result
  failed_when: false
  changed_when: false
  when:
    - python_current_packages | length == 0
    - python_version_check.rc != 0
    - python_package_install is defined
    - python_package_install.failed | default(false)
    - python_alt_install is defined
    - python_alt_install.failed | default(false)
  ignore_errors: true

- name: "Распаковка исходного кода Python"
  unarchive:
    src: "/tmp/Python-{{ python_version }}.tar.xz"
    dest: "/tmp/"
    remote_src: yes
  when:
    - python_current_packages | length == 0
    - python_version_check.rc != 0
    - download_result is defined
    - download_result.status_code == 200

- name: "Конфигурация Python для компиляции"
  command: >
    ./configure
    --prefix={{ python_install_prefix | default('/usr/local') }}
    --enable-optimizations
    --enable-shared
    --with-lto
    --enable-ipv6
    --with-system-ffi
    --with-computed-gotos
    --enable-loadable-sqlite-extensions
  args:
    chdir: "/tmp/Python-{{ python_version }}"
  changed_when: false
  when:
    - python_current_packages | length == 0
    - python_version_check.rc != 0
    - download_result is defined
    - download_result.status_code == 200

- name: "Компиляция Python"
  make:
    chdir: "/tmp/Python-{{ python_version }}"
    jobs: "{{ ansible_processor_cores | default(1) }}"
  when:
    - python_current_packages | length == 0
    - python_version_check.rc != 0
    - download_result is defined
    - download_result.status_code == 200

- name: "Установка скомпилированного Python"
  make:
    chdir: "/tmp/Python-{{ python_version }}"
    target: install
  become: true
  when:
    - python_current_packages | length == 0
    - python_version_check.rc != 0
    - download_result is defined
    - download_result.status_code == 200

- name: "Обновление библиотек для скомпилированного Python"
  command: "ldconfig"
  become: true
  changed_when: false
  when:
    - python_current_packages | length == 0
    - python_version_check.rc != 0
    - download_result is defined
    - download_result.status_code == 200

# =============================================================================
# ЭТАП 7: СОЗДАНИЕ СИМВОЛИЧЕСКИХ ССЫЛОК
# =============================================================================

- name: "Создание символических ссылок для Python"
  file:
    src: "{{ python_current_executable }}"
    dest: "/usr/bin/python3"
    state: link
    force: yes
  when:
    - (python_create_symlinks | default(true)) | bool
    - python_version_check.rc != 0

- name: "Создание символических ссылок для SCL Python"
  file:
    src: "/opt/rh/rh-python312/root/usr/bin/python3"
    dest: "/usr/bin/python3"
    state: link
    force: yes
  when:
    - (python_create_symlinks | default(true)) | bool
    - python_version_check.rc != 0
    - python_distribution in ['redhat', 'centos', 'rhel']
    - python_scl_install is defined
    - python_scl_install.changed | default(false)

- name: "Создание символических ссылок для pip"
  file:
    src: "{{ python_current_pip }}"
    dest: "/usr/bin/pip3"
    state: link
    force: yes
  when:
    - (python_create_symlinks | default(true)) | bool
    - python_version_check.rc != 0
    - python_current_pip is defined
    - python_current_pip != ""

- name: "Создание символических ссылок для SCL pip"
  file:
    src: "/opt/rh/rh-python312/root/usr/bin/pip3"
    dest: "/usr/bin/pip3"
    state: link
    force: yes
  when:
    - (python_create_symlinks | default(true)) | bool
    - python_version_check.rc != 0
    - python_distribution in ['redhat', 'centos', 'rhel']
    - python_scl_install is defined
    - python_scl_install.changed | default(false)

- name: "Создание символических ссылок для Python (без версии)"
  file:
    src: "{{ python_current_executable }}"
    dest: "/usr/bin/python"
    state: link
    force: yes
  when:
    - (python_create_symlinks | default(true)) | bool
    - python_version_check.rc != 0

- name: "Создание символических ссылок для SCL Python (без версии)"
  file:
    src: "/opt/rh/rh-python312/root/usr/bin/python"
    dest: "/usr/bin/python"
    state: link
    force: yes
  when:
    - (python_create_symlinks | default(true)) | bool
    - python_version_check.rc != 0
    - python_distribution in ['redhat', 'centos', 'rhel']
    - python_scl_install is defined
    - python_scl_install.changed | default(false)

- name: "Создание символических ссылок для pip (без версии)"
  file:
    src: "{{ python_current_pip }}"
    dest: "/usr/bin/pip"
    state: link
    force: yes
  when:
    - (python_create_symlinks | default(true)) | bool
    - python_version_check.rc != 0
    - python_current_pip is defined
    - python_current_pip != ""

- name: "Создание символических ссылок для SCL pip (без версии)"
  file:
    src: "/opt/rh/rh-python312/root/usr/bin/pip"
    dest: "/usr/bin/pip"
    state: link
    force: yes
  when:
    - (python_create_symlinks | default(true)) | bool
    - python_version_check.rc != 0
    - python_distribution in ['redhat', 'centos', 'rhel']
    - python_scl_install is defined
    - python_scl_install.changed | default(false)

# =============================================================================
# ЭТАП 8: НАСТРОЙКА АЛЬТЕРНАТИВ И PIP
# =============================================================================

- name: "Настройка альтернатив для Python"
  alternatives:
    name: python3
    path: "{{ python_current_executable }}"
  when:
    - python_current_executable is defined
    - python_current_executable != ""
    - ansible_os_family == "RedHat"

- name: "Установка pip через get-pip.py если не найден"
  get_url:
    url: "https://bootstrap.pypa.io/get-pip.py"
    dest: "/tmp/get-pip.py"
    mode: '0755'
  when:
    - python_version_check.rc == 0
    - python_current_pip is not defined or python_current_pip == ""

- name: "Запуск get-pip.py для установки pip"
  command: "{{ python_current_executable }} /tmp/get-pip.py"
  changed_when: false
  when:
    - python_version_check.rc == 0
    - python_current_pip is not defined or python_current_pip == ""

# =============================================================================
# ЭТАП 9: ОБНОВЛЕНИЕ PIP
# =============================================================================

- name: "Получение последней версии pip"
  uri:
    url: "https://pypi.org/pypi/pip/json"
    method: GET
  register: pip_version_info
  when: python_version_check.rc == 0
  ignore_errors: true

- name: "Извлечение версии pip"
  set_fact:
    pip_latest_version: "{{ pip_version_info.json.info.version }}"
  when:
    - pip_version_info is defined
    - pip_version_info.status == 200

- name: "Проверка текущей версии pip"
  command: "{{ python_current_pip }} --version"
  register: pip_current_version
  changed_when: false
  when:
    - python_version_check.rc == 0
    - python_current_pip is defined
    - python_current_pip != ""
  ignore_errors: true

- name: "Обновление pip до последней версии"
  command: "{{ python_current_pip }} install --upgrade pip"
  changed_when: false
  when:
    - python_version_check.rc == 0
    - pip_current_version.rc == 0
    - pip_latest_version is defined
    - pip_current_version.stdout is defined
    - pip_latest_version not in pip_current_version.stdout
  ignore_errors: true

# =============================================================================
# ЭТАП 10: СОЗДАНИЕ ВИРТУАЛЬНОГО ОКРУЖЕНИЯ
# =============================================================================

- name: "Создание виртуального окружения"
  command: "{{ python_current_executable }} -m venv {{ python_venv_path | default('/opt/python-venv') }}"
  changed_when: false
  when:
    - (python_create_venv | default(false)) | bool
    - python_version_check.rc == 0
  ignore_errors: true

# =============================================================================
# ЭТАП 11: ФИНАЛЬНЫЙ ОТЧЕТ
# =============================================================================

- name: "Сбор информации о системе"
  setup:
    gather_subset:
      - "!all"
      - "distribution"
      - "os_family"
      - "architecture"
      - "kernel"
      - "python"
  register: system_facts

- name: "Проверка установленного Python"
  command: "{{ python_current_executable }} --version"
  register: final_python_version
  changed_when: false
  when: python_version_check.rc == 0
  ignore_errors: true

- name: "Проверка установленного pip"
  command: "{{ python_current_pip }} --version"
  register: final_pip_version
  changed_when: false
  when:
    - python_version_check.rc == 0
    - python_current_pip is defined
    - python_current_pip != ""
  ignore_errors: true

- name: "Проверка символических ссылок"
  stat:
    path: "{{ item }}"
  register: symlink_check
  loop:
    - "/usr/bin/python"
    - "/usr/bin/python3"
    - "/usr/bin/pip"
    - "/usr/bin/pip3"

- name: "Проверка виртуального окружения"
  stat:
    path: "{{ python_venv_path | default('/opt/python-venv') }}"
  register: venv_check
  when: python_create_venv | bool

- name: "Сбор информации об установленных пакетах Python"
  package_facts:
    manager: "{{ python_current_package_manager }}"
  when: python_current_package_manager != 'unknown'

- name: "Финальный отчет об установке"
  debug:
    msg: |

      ================================================================================
      🐍 ОТЧЕТ ОБ УСТАНОВКЕ PYTHON {{ python_version | upper }}
      ================================================================================

      📊 ИНФОРМАЦИЯ О СИСТЕМЕ:
      • Дистрибутив: {{ system_facts.ansible_facts.distribution }} {{ system_facts.ansible_facts.distribution_version }}
      • Семейство ОС: {{ system_facts.ansible_facts.os_family }}
      • Архитектура: {{ system_facts.ansible_facts.architecture }}
      • Ядро: {{ system_facts.ansible_facts.kernel }}

      🐍 PYTHON:
      • Версия: {{ final_python_version.stdout | default('НЕ УСТАНОВЛЕН') }}
      • Исполняемый файл: {{ python_current_executable }}
      • Путь к pip: {{ python_current_pip | default('НЕ НАЙДЕН') }}

      📦 PIP:
      • Версия: {{ final_pip_version.stdout | default('НЕ УСТАНОВЛЕН') }}

      🔗 СИМВОЛИЧЕСКИЕ ССЫЛКИ:
      • /usr/bin/python: {{ '✅ СОЗДАНА' if symlink_check.results[0].stat.exists else '❌ НЕ СОЗДАНА' }}
      • /usr/bin/python3: {{ '✅ СОЗДАНА' if symlink_check.results[1].stat.exists else '❌ НЕ СОЗДАНА' }}
      • /usr/bin/pip: {{ '✅ СОЗДАНА' if symlink_check.results[2].stat.exists else '❌ НЕ СОЗДАНА' }}
      • /usr/bin/pip3: {{ '✅ СОЗДАНА' if symlink_check.results[3].stat.exists else '❌ НЕ СОЗДАНА' }}

      🌐 ВИРТУАЛЬНОЕ ОКРУЖЕНИЕ:
      • Путь: {{ python_venv_path | default('/opt/python-venv') }}
      • Статус: {{ '✅ СОЗДАНО' if (venv_check is defined and venv_check.stat.exists) else '❌ НЕ СОЗДАНО' }}

      📋 УСТАНОВЛЕННЫЕ ПАКЕТЫ PYTHON:
      {% if ansible_facts.packages is defined %}
      {% for package in ansible_facts.packages %}
      {% if 'python' in package %}
      • {{ package }}: {{ ansible_facts.packages[package] | map(attribute='version') | list | join(', ') }}
      {% endif %}
      {% endfor %}
      {% else %}
      • Информация недоступна
      {% endif %}

      🎯 КОМАНДЫ ДЛЯ ПРОВЕРКИ:
      • python --version
      • python3 --version
      • pip --version
      • pip3 --version
      • python -m venv test_env

      ================================================================================
  when: python_log_level in ["INFO", "DEBUG"]

- name: "Уведомление о завершении установки Python"
  debug:
    msg: |

      ✅ PYTHON {{ python_version | upper }} УСТАНОВЛЕН И НАСТРОЕН!

      🎯 Основные команды:
      • python --version     # Проверить версию Python
      • python3 --version    # Проверить версию Python (с версией)
      • pip --version        # Проверить версию pip
      • pip3 --version       # Проверить версию pip (с версией)
      • python -m venv env   # Создать виртуальное окружение
      • pip install pkg      # Установить пакет

      🚀 Готово к работе!