8b8835e4ac
* Refactoring of scheduler and jobs to use promises. * Add "failed" state for tasks.
126 lines
3.2 KiB
TypeScript
126 lines
3.2 KiB
TypeScript
import cron from "node-cron";
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import moment from "moment";
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import {config} from "../config";
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import Logger from "../logger";
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import MailQueueJob from "./MailQueueJob";
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import FixNodeFilenamesJob from "./FixNodeFilenamesJob";
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import NodeInformationRetrievalJob from "./NodeInformationRetrievalJob";
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import MonitoringMailsSendingJob from "./MonitoringMailsSendingJob";
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import OfflineNodesDeletionJob from "./OfflineNodesDeletionJob";
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export interface Job {
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name: string,
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description: string,
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run(): Promise<void>,
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}
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export enum TaskState {
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IDLE = "idle",
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RUNNING = "running",
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FAILED = "failed",
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}
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export class Task {
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constructor(
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public id: number,
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public name: string,
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public description: string,
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public schedule: string,
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public job: Job,
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public runningSince: moment.Moment | null,
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public lastRunStarted: moment.Moment | null,
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public lastRunDuration: number | null,
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public state: TaskState,
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public enabled: true,
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) {}
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run(): void {
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if (this.runningSince || !this.enabled) {
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// job is still running, skip execution
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return;
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}
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this.runningSince = moment();
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this.lastRunStarted = this.runningSince;
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this.state = TaskState.RUNNING;
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const done = (state: TaskState):void => {
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const now = moment();
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const duration = now.diff(this.runningSince || now);
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Logger.tag('jobs').profile('[%sms]\t%s', duration, this.name);
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this.runningSince = null;
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this.lastRunDuration = duration;
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this.state = state;
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};
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this.job.run().then(() => {
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done(TaskState.IDLE);
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}).catch((err: any) => {
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Logger.tag('jobs').error("Job %s failed: %s", this.name, err);
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done(TaskState.FAILED);
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});
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}
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}
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type Tasks = {[key: string]: Task};
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const tasks: Tasks = {};
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let taskId = 1;
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function nextTaskId(): number {
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const id = taskId;
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taskId += 1;
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return id;
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}
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function schedule(expr: string, job: Job): void {
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Logger.tag('jobs').info('Scheduling job: %s %s', expr, job.name);
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const id = nextTaskId();
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const task = new Task(
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id,
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job.name,
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job.description,
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expr,
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job,
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null,
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null,
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null,
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TaskState.IDLE,
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true
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);
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cron.schedule(expr, task.run);
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tasks['' + id] = task;
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}
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export function init() {
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Logger.tag('jobs').info('Scheduling background jobs...');
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try {
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schedule('0 */1 * * * *', MailQueueJob);
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schedule('15 */1 * * * *', FixNodeFilenamesJob);
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if (config.client.monitoring.enabled) {
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schedule('30 */15 * * * *', NodeInformationRetrievalJob);
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schedule('45 */5 * * * *', MonitoringMailsSendingJob);
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schedule('0 0 3 * * *', OfflineNodesDeletionJob); // every night at 3:00
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}
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}
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catch (error) {
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Logger.tag('jobs').error('Error during scheduling of background jobs:', error);
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throw error;
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}
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Logger.tag('jobs').info('Scheduling of background jobs done.');
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}
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export function getTasks(): Tasks {
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return tasks;
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}
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