Files
n8n-enterprise-unlocked/packages/cli/src/commands/webhook.ts
कारतोफ्फेलस्क्रिप्ट™ 4b11268a6e refactor(core): Implement a new OnPubSubEvent decorator (#15688)
2025-06-04 18:32:33 +02:00

107 lines
3.3 KiB
TypeScript

import { Container } from '@n8n/di';
import { Flags } from '@oclif/core';
import { ActiveExecutions } from '@/active-executions';
import config from '@/config';
import { Publisher } from '@/scaling/pubsub/publisher.service';
import { PubSubRegistry } from '@/scaling/pubsub/pubsub.registry';
import { Subscriber } from '@/scaling/pubsub/subscriber.service';
import { WebhookServer } from '@/webhooks/webhook-server';
import { BaseCommand } from './base-command';
export class Webhook extends BaseCommand {
static description = 'Starts n8n webhook process. Intercepts only production URLs.';
static examples = ['$ n8n webhook'];
static flags = {
help: Flags.help({ char: 'h' }),
};
protected server = Container.get(WebhookServer);
override needsCommunityPackages = true;
/**
* Stops n8n in a graceful way.
* Make for example sure that all the webhooks from third party services
* get removed.
*/
async stopProcess() {
this.logger.info('\nStopping n8n...');
try {
await this.externalHooks?.run('n8n.stop');
await Container.get(ActiveExecutions).shutdown();
} catch (error) {
await this.exitWithCrash('There was an error shutting down n8n.', error);
}
await this.exitSuccessFully();
}
async init() {
if (config.getEnv('executions.mode') !== 'queue') {
/**
* It is technically possible to run without queues but
* there are 2 known bugs when running in this mode:
* - Executions list will be problematic as the main process
* is not aware of current executions in the webhook processes
* and therefore will display all current executions as error
* as it is unable to determine if it is still running or crashed
* - You cannot stop currently executing jobs from webhook processes
* when running without queues as the main process cannot talk to
* the webhook processes to communicate workflow execution interruption.
*/
this.error('Webhook processes can only run with execution mode as queue.');
}
await this.initCrashJournal();
this.logger.debug('Crash journal initialized');
this.logger.info('Starting n8n webhook process...');
this.logger.debug(`Host ID: ${this.instanceSettings.hostId}`);
await super.init();
await this.initLicense();
this.logger.debug('License init complete');
await this.initOrchestration();
this.logger.debug('Orchestration init complete');
await this.initBinaryDataService();
this.logger.debug('Binary data service init complete');
await this.initDataDeduplicationService();
this.logger.debug('Data deduplication service init complete');
await this.initExternalHooks();
this.logger.debug('External hooks init complete');
await this.initExternalSecrets();
this.logger.debug('External secrets init complete');
await this.loadModules();
}
async run() {
const { ScalingService } = await import('@/scaling/scaling.service');
await Container.get(ScalingService).setupQueue();
await this.server.start();
this.logger.info('Webhook listener waiting for requests.');
// Make sure that the process does not close
await new Promise(() => {});
}
async catch(error: Error) {
await this.exitWithCrash('Exiting due to an error.', error);
}
async initOrchestration() {
Container.get(Publisher);
Container.get(PubSubRegistry).init();
await Container.get(Subscriber).subscribe('n8n.commands');
}
}