add additional shutdown logging

packages/backend/src/GlobalModule.ts

@@ -14,6 +14,7 @@ import { createPostgresDataSource } from './postgres.js';
 import { RepositoryModule } from './models/RepositoryModule.js';
 import { allSettled } from './misc/promise-tracker.js';
 import { GlobalEvents } from './core/GlobalEventService.js';
+import Logger from './logger.js';
 import type { Provider, OnApplicationShutdown } from '@nestjs/common';
 
 const $config: Provider = {
@@ -164,6 +165,8 @@ const $meta: Provider = {
 	exports: [$config, $db, $meta, $meilisearch, $redis, $redisForPub, $redisForSub, $redisForTimelines, $redisForReactions, $redisForRateLimit, RepositoryModule],
 })
 export class GlobalModule implements OnApplicationShutdown {
+	private readonly logger = new Logger('global');
+
 	constructor(
 		@Inject(DI.db) private db: DataSource,
 		@Inject(DI.redis) private redisClient: Redis.Redis,
@@ -176,8 +179,10 @@ export class GlobalModule implements OnApplicationShutdown {
 
 	public async dispose(): Promise<void> {
 		// Wait for all potential DB queries
+		this.logger.info('Finalizing active promises...');
 		await allSettled();
 		// And then disconnect from DB
+		this.logger.info('Disconnected from data sources...');
 		await this.db.destroy();
 		this.redisClient.disconnect();
 		this.redisForPub.disconnect();
@@ -185,6 +190,7 @@ export class GlobalModule implements OnApplicationShutdown {
 		this.redisForTimelines.disconnect();
 		this.redisForReactions.disconnect();
 		this.redisForRateLimit.disconnect();
+		this.logger.info('Global module disposed.');
 	}
 
 	async onApplicationShutdown(signal: string): Promise<void> {

packages/backend/src/core/QueueModule.ts

@@ -9,6 +9,7 @@ import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
 import { baseQueueOptions, QUEUE } from '@/queue/const.js';
 import { allSettled } from '@/misc/promise-tracker.js';
+import Logger from '@/logger.js';
 import {
 	DeliverJobData,
 	EndedPollNotificationJobData,
@@ -120,6 +121,8 @@ const $scheduleNotePost: Provider = {
 	],
 })
 export class QueueModule implements OnApplicationShutdown {
+	private readonly logger = new Logger('queue');
+
 	constructor(
 		@Inject('queue:system') public systemQueue: SystemQueue,
 		@Inject('queue:endedPollNotification') public endedPollNotificationQueue: EndedPollNotificationQueue,
@@ -135,8 +138,10 @@ export class QueueModule implements OnApplicationShutdown {
 
 	public async dispose(): Promise<void> {
 		// Wait for all potential queue jobs
+		this.logger.info('Finalizing active promises...');
 		await allSettled();
 		// And then close all queues
+		this.logger.info('Closing BullMQ queues...');
 		await Promise.all([
 			this.systemQueue.close(),
 			this.endedPollNotificationQueue.close(),
@@ -149,6 +154,7 @@ export class QueueModule implements OnApplicationShutdown {
 			this.systemWebhookDeliverQueue.close(),
 			this.scheduleNotePostQueue.close(),
 		]);
+		this.logger.info('Queue module disposed.');
 	}
 
 	async onApplicationShutdown(signal: string): Promise<void> {

packages/backend/src/core/chart/ChartManagementService.ts

@@ -75,6 +75,7 @@ export class ChartManagementService implements OnApplicationShutdown {
 	public async dispose(): Promise<void> {
 		clearInterval(this.saveIntervalId);
 		if (process.env.NODE_ENV !== 'test') {
+			this.logger.info('Saving charts for shutdown...');
 			for (const chart of this.charts) {
 				await chart.save();
 			}

packages/backend/src/queue/QueueProcessorService.ts

@@ -612,6 +612,8 @@ export class QueueProcessorService implements OnApplicationShutdown {
 
 	@bindThis
 	public async onApplicationShutdown(signal?: string | undefined): Promise<void> {
+		this.logger.info('Stopping BullMQ workers...');
 		await this.stop();
+		this.logger.info('Workers disposed.');
 	}
 }

packages/backend/src/server/ServerService.ts

@@ -309,8 +309,13 @@ export class ServerService implements OnApplicationShutdown {
 
 	@bindThis
 	public async dispose(): Promise<void> {
+		this.logger.info('Disconnecting WebSocket clients...');
 		await this.streamingApiServerService.detach();
+
+		this.logger.info('Disconnecting HTTP clients....;');
 		await this.#fastify.close();
+
+		this.logger.info('Server disposed.');
 	}
 
 	/**