Distributed Cron Task

AbyssMonitor provide an easy way to setup Cron Task using a distributed manager. From this tools, you will be able to create a secured task insuring trigger and logging.

Workflow

Workflow for distributed Cron Task on AbyssMonitor

Setup

First, you have to create a new Cron Task on your Application interface.

Cron Task creation form

A new card is added. You can edit your Cron Task and copy the secret signature.

Cron Task secret

Authentifie Cron Task request

Using the secret signature, you can authentifie the request.

import {
  HEADER_SIGNATURE_NAME,
  SIGNATURE_ALGORITHM,
} from '@abyss-project/monitor';

const headerSignature = req.headers[HEADER_SIGNATURE_NAME];

const hmac = crypto.createHmac(
  SIGNATURE_ALGORITHM,
  "my-secret-signature",
);
const signature = hmac.update(JSON.stringify(req.body)).digest('hex');

if (headerSignature !== signature) {
  // Throw an error
  throw new Error('Invalid Signature');
}
// The signature is correct

// Response with the requestId of the AbyssMonitor logger to link logs to the cronTask
// ex: res.status(200).json(getRequestContext().requestId);

Your Cron Task can generate logs. Logs will be linked to the Cron Task to debug easily.

Check code example above.