function syslog_form_system_logging_settings_alter

Implements hook_form_FORM_ID_alter().

File

core/modules/syslog/syslog.module, line 36

Redirects logging messages to syslog.

Code

function syslog_form_system_logging_settings_alter(&$form, FormStateInterface $form_state) {
  $config = \Drupal::configFactory()
    ->getEditable('syslog.settings');
  $help = \Drupal::moduleHandler()
    ->moduleExists('help') ? ' ' . Link::fromTextAndUrl(t('More information'), Url::fromRoute('help.page', [
    'name' => 'syslog',
  ]))
    ->toString() . '.' : NULL;
  $form['syslog_identity'] = [
    '#type' => 'textfield',
    '#title' => t('Syslog identity'),
    '#default_value' => $config
      ->get('identity'),
    '#description' => t('A string that will be prepended to every message logged to Syslog. If you have multiple sites logging to the same Syslog log file, a unique identity per site makes it easy to tell the log entries apart.') . $help,
  ];
  if (defined('LOG_LOCAL0')) {
    $form['syslog_facility'] = [
      '#type' => 'select',
      '#title' => t('Syslog facility'),
      '#default_value' => $config
        ->get('facility'),
      '#options' => syslog_facility_list(),
      '#description' => t('Depending on the system configuration, Syslog and other logging tools use this code to identify or filter messages from within the entire system log.') . $help,
    ];
  }
  $form['syslog_format'] = [
    '#type' => 'textarea',
    '#title' => t('Syslog format'),
    '#default_value' => $config
      ->get('format'),
    '#required' => TRUE,
    '#description' => t('Specify the format of the syslog entry. Available variables are: <dl><dt><code>!base_url</code></dt><dd>Base URL of the site.</dd><dt><code>!timestamp</code></dt><dd>Unix timestamp of the log entry.</dd><dt><code>!type</code></dt><dd>The category to which this message belongs.</dd><dt><code>!ip</code></dt><dd>IP address of the user triggering the message.</dd><dt><code>!request_uri</code></dt><dd>The requested URI.</dd><dt><code>!referer</code></dt><dd>HTTP Referer if available.</dd><dt><code>!severity</code></dt><dd>The severity level of the event; ranges from 0 (Emergency) to 7 (Debug).</dd><dt><code>!uid</code></dt><dd>User ID.</dd><dt><code>!link</code></dt><dd>A link to associate with the message.</dd><dt><code>!message</code></dt><dd>The message to store in the log.</dd></dl>'),
  ];
  $form['#submit'][] = 'syslog_logging_settings_submit';
}