Function init

cron/index.js:29–89

(callback)

module.exports = {
    init(callback) {
       debug(`init()`);
        const jobs = [
            {
                name: 'autoFinishExams',
                module: require('./autoFinishExams'),
                intervalSec: config.cronIntervalAutoFinishExamsSec,
            },
            {
                name: 'errorAbandonedJobs',
                module: require('./errorAbandonedJobs'),
                intervalSec: config.cronIntervalErrorAbandonedJobsSec,
            },
            {
                name: 'sendExternalGraderStats',
                module: require('./sendExternalGraderStats'),
                intervalSec: 'daily',
            },
            {
                name: 'sendExternalGraderDeadLetters',
                module: require('./sendExternalGraderDeadLetters'),
                intervalSec: 'daily',
            },
            {
                name: 'externalGraderLoad',
                module: require('./externalGraderLoad'),
                intervalSec: config.cronIntervalExternalGraderLoadSec,
            },
            {
                name: 'serverLoad',
                module: require('./serverLoad'),
                intervalSec: config.cronIntervalServerLoadSec,
            },
            {
                name: 'serverUsage',
                module: require('./serverUsage'),
                intervalSec: config.cronIntervalServerUsageSec,
            },
            {
                name: 'calculateAssessmentQuestionStats',
                module: require('./calculateAssessmentQuestionStats'),
                intervalSec: 'daily',
            },
            {
                name: 'calculateAssessmentMode',
                module: require('./calculateAssessmentMode'),
                intervalSec: 'daily',
            },
        ];
        logger.verbose('initializing cron', _.map(jobs, j => _.pick(j, ['name', 'intervalSec'])));

        const jobsByPeriodSec = _.groupBy(jobs, 'intervalSec');
        _.forEach(jobsByPeriodSec, (jobsList, intervalSec) => {
            if (intervalSec == 'daily') {
                this.queueDailyJobs(jobsList);
            } else {
                this.queueJobs(jobsList, intervalSec);
            }