function monitoring_munin_enable in Monitoring 7

Implements hook_enable()

Creates Munin multigraphs and does default Munin specific sensors config.

File

modules/monitoring_munin/monitoring_munin.install, line 15

Monitoring munin install file.

Code

function monitoring_munin_enable() {
  $sensor_info_by_categories = monitoring_sensor_info_by_categories();
  foreach (module_implements('munin_default_multigraphs') as $module) {
    foreach (module_invoke($module, 'munin_default_multigraphs') as $multigraph_title => $multigraph_info) {
      $has_sensors = FALSE;

      // Configure sensors in the categories to be part of the given multigraph.
      // Yes this nesting is not nice, however this is just one time enable
      // logic with test coverage.
      if (isset($multigraph_info['categories'])) {
        foreach ($multigraph_info['categories'] as $category) {
          if (isset($sensor_info_by_categories[$category])) {

            /** @var SensorInfo $sensor_info */
            foreach ($sensor_info_by_categories[$category] as $sensor_info) {
              if ($sensor_info
                ->isNumeric()) {
                $settings = monitoring_sensor_settings_get($sensor_info
                  ->getName());
                $settings['munin']['munin_enabled'] = TRUE;
                $settings['munin']['multigraphs'][] = $multigraph_title;
                monitoring_sensor_settings_save($sensor_info
                  ->getName(), $settings);
                $has_sensors = TRUE;
              }
            }
          }
        }
      }

      // Configure individual sensors to be part of the given multigraph.
      if (isset($multigraph_info['sensors'])) {
        foreach ($multigraph_info['sensors'] as $sensor_name) {
          try {
            $sensor_info = monitoring_sensor_manager()
              ->getSensorInfoByName($sensor_name);
          } catch (NonExistingSensorException $e) {
            drupal_set_message($e
              ->getMessage(), 'error');
            watchdog_exception('monitoring_munin', $e);
          }
          if (!$sensor_info
            ->isEnabled()) {
            continue;
          }
          $settings = monitoring_sensor_settings_get($sensor_info
            ->getName());
          $settings['munin']['munin_enabled'] = TRUE;
          $settings['munin']['multigraphs'][] = $multigraph_title;
          monitoring_sensor_settings_save($sensor_info
            ->getName(), $settings);
          $has_sensors = TRUE;
        }
      }

      // Get a fresh list in case the graph has been created in previous
      // iterations.
      // Also create a multigraph only if there are any sensors enabled for it.
      $multigraphs = monitoring_munin_multigraphs();
      if ($has_sensors && !isset($multigraphs[$multigraph_title])) {
        monitoring_munin_multigraph_save($multigraph_title, $multigraph_info['vlabel']);
      }
    }
  }
}