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branko

MAR-132: Added support for Debian 9 (Stretch) to php_website role:

- Implemented the necessary changes related to differences between PHP
versions and related paths (PHP 5 vs PHP 7).
- Set the shell for application system account explicitly (workaround
for Debian bug 865762 in Stretch).
- Updated Molecule tests to cover Debian 9.
- Updated Molecule test preparation playbook to account for a number
of differences between Jessie and Stretch (mainly related to mailing
functionality).
- Use more specific host groups in tests.
- Renamed a couple of variables in test for sending out mails to make
it clearer what is being looked up as part of regex matching.
- Updated Molecule tests where certain paths depend on what Debian
release they are ran against.
- Split-up Jessie-specific tests into separate file.

from collections import namedtuple

import pytest


@pytest.fixture
def php_info(host):
    """
    Helper fixture used to define what the expected PHP-FPM package
    name, PHP-FPM service name, and PHP base configuration directory
    is based on Debian release.

    Currently supports Debian 8 (Jessie), and Debian 9 (Stretch).

    Resulting information can be accessed through returned named tuple
    with the following properties:

    - fpm_package (name of the PHP-FPM package)
    - fpm_service (name of the PHP-FPM system service)
    - base_config_dir (base configuration directory for PHP)
    """


    PHPInfo = namedtuple('PHPInfo', 'fpm_package fpm_service base_config_dir')

    ansible_facts = host.ansible("setup")["ansible_facts"]
    ansible_distribution_release = ansible_facts['ansible_distribution_release']

    if ansible_distribution_release == 'jessie':
        info = PHPInfo(fpm_package='php5-fpm', fpm_service='php5-fpm', base_config_dir='/etc/php5')
    elif ansible_distribution_release == 'stretch':
        info = PHPInfo(fpm_package='php-fpm', fpm_service='php7.0-fpm', base_config_dir='/etc/php/7.0')
    else:
        raise Exception('The php_info pytest fixture does not support Debian release: %s' % ansible_distribution_release)

    return info