kibana/x-pack/plugins/monitoring/deprecations.js

/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License;
 * you may not use this file except in compliance with the Elastic License.
 */

import { get } from 'lodash';
import { CLUSTER_ALERTS_ADDRESS_CONFIG_KEY } from './common/constants';

/**
 * Re-writes deprecated user-defined config settings and logs warnings as a
 * result of any rewrite operations.
 *
 * Important: Do not remove any deprecation warning until at least the next
 * major version!
 * @return {Array} array of rename operations and callback function for rename logging
 */
export const deprecations = () => {
  return [
    (settings, log) => {
      const clusterAlertsEnabled = get(settings, 'cluster_alerts.enabled');
      const emailNotificationsEnabled = clusterAlertsEnabled && get(settings, 'cluster_alerts.email_notifications.enabled');
      if (emailNotificationsEnabled && !get(settings, CLUSTER_ALERTS_ADDRESS_CONFIG_KEY)) {
        log(`Config key "${CLUSTER_ALERTS_ADDRESS_CONFIG_KEY}" will be required for email notifications to work in 7.0."`);
      }
    }
  ];
};