@backstage/backend-defaults/dist/entrypoints/scheduler/lib/DefaultSchedulerService.cjs.js

Backend defaults used by Backstage backend apps

'use strict';

var lodash = require('lodash');
var luxon = require('luxon');
var migrateBackendTasks = require('../database/migrateBackendTasks.cjs.js');
var PluginTaskSchedulerImpl = require('./PluginTaskSchedulerImpl.cjs.js');
var PluginTaskSchedulerJanitor = require('./PluginTaskSchedulerJanitor.cjs.js');

class DefaultSchedulerService {
  static create(options) {
    const databaseFactory = lodash.once(async () => {
      const knex = await options.database.getClient();
      if (!options.database.migrations?.skip) {
        await migrateBackendTasks.migrateBackendTasks(knex);
      }
      if (process.env.NODE_ENV !== "test") {
        const abortController = new AbortController();
        const janitor = new PluginTaskSchedulerJanitor.PluginTaskSchedulerJanitor({
          knex,
          waitBetweenRuns: luxon.Duration.fromObject({ minutes: 1 }),
          logger: options.logger
        });
        options.rootLifecycle.addShutdownHook(() => abortController.abort());
        janitor.start(abortController.signal);
      }
      return knex;
    });
    const scheduler = new PluginTaskSchedulerImpl.PluginTaskSchedulerImpl(
      options.pluginMetadata.getId(),
      databaseFactory,
      options.logger,
      options.rootLifecycle
    );
    options.httpRouter.use(scheduler.getRouter());
    return scheduler;
  }
}

exports.DefaultSchedulerService = DefaultSchedulerService;
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