ansible-role-drupal-settings/templates/settings.php.j2

<?php

// {{ ansible_managed }}

{% for key, values in item.1.settings.databases.items() %}
{% for target, values in values.items() %}
$databases['{{ key }}']['{{ target }}'] = array(
  'driver' => '{{ values.driver|default('mysql') }}',
  'host' => '{{ values.host|default('localhost') }}',
  'port' => '{{ values.port|default('3306') }}',
  'database' => '{{ values.database }}',
  'username' => '{{ values.username }}',
  'password' => '{{ values.password }}',
);

{% endfor %}
{% endfor %}

{% if item.1.settings.base_url is defined %}
$base_url = '{{ item.1.settings.base_url }}';
{% endif %}

{% if item.1.settings.hash_salt is defined %}
$settings['hash_salt'] = '{{ item.1.settings.hash_salt }}';
{% endif %}

{% if item.1.settings.config_directories is defined %}
{% for name, value in item.1.settings.config_directories.items() %}
$config_directories['{{ name }}'] = '{{ value }}';
{% endfor %}
{% endif %}

{% if item.1.settings.trusted_hosts is defined %}
$settings['trusted_host_patterns'] = array(
{% for host in item.1.settings.trusted_hosts %}
  '{{ host }}',
{% endfor %}
);
{% endif %}

{% if item.1.settings.extra_parameters is defined %}
  {{ item.1.settings.extra_parameters|indent(0) }}
{% endif %}