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backend: Refactor MeetStorageService to initialize global preferences with locking mechanism

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This commit is contained in:
Carlos Santos 2025-04-07 18:55:40 +02:00
parent 355d773dd1
commit 30ee4dfbca
5 changed files with 29 additions and 10 deletions
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2
backend/src/config/dependency-injector.config.ts
View File

@ -57,7 +57,7 @@ export const registerDependencies = () => {
export const initializeEagerServices = async () => {
// Force the creation of services that need to be initialized at startup
container.get(RecordingService);
await container.get(MeetStorageService).buildAndSaveDefaultPreferences();
await container.get(MeetStorageService).initializeGlobalPreferences();
};
export { injectable, inject } from 'inversify';

4
backend/src/helpers/redis.helper.ts
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@ -32,4 +32,8 @@ export class MeetLock {
static getRoomGarbageCollectorLock(): string {
return `${RedisLockPrefix.BASE}${RedisLockName.ROOM_GARBAGE_COLLECTOR}`;
}
static getGlobalPreferencesLock(): string {
return `${RedisLockPrefix.BASE}${RedisLockName.GLOBAL_PREFERENCES}`;
}
}

3
backend/src/models/redis.model.ts
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@ -15,5 +15,6 @@ export const enum RedisLockPrefix {
export const enum RedisLockName {
ROOM_GARBAGE_COLLECTOR = 'room_garbage_collector',
RECORDING_ACTIVE = 'recording_active',
SCHEDULED_TASK = 'scheduled_task'
SCHEDULED_TASK = 'scheduled_task',
GLOBAL_PREFERENCES = 'global_preferences',
}

2
backend/src/services/mutex.service.ts
View File

@ -45,7 +45,7 @@ export class MutexService {
);
return lock;
} catch (error) {
this.logger.error('Error acquiring lock:', error);
this.logger.warn('Error acquiring lock:', error);
return null;
}
}

28
backend/src/services/storage/storage.service.ts
View File

@ -6,6 +6,9 @@ import { errorRoomNotFound, OpenViduMeetError } from '../../models/error.model.j
import { MEET_NAME_ID, MEET_SECRET, MEET_USER, MEET_WEBHOOK_ENABLED, MEET_WEBHOOK_URL } from '../../environment.js';
import { injectable, inject } from '../../config/dependency-injector.config.js';
import { PasswordHelper } from '../../helpers/password.helper.js';
import { MutexService } from '../mutex.service.js';
import { MeetLock } from '../../helpers/redis.helper.js';
import ms from 'ms';
/**
* A service for managing storage operations related to OpenVidu Meet rooms and preferences.
@ -21,7 +24,8 @@ export class MeetStorageService<G extends GlobalPreferences = GlobalPreferences,
protected storageProvider: StorageProvider;
constructor(
@inject(LoggerService) protected logger: LoggerService,
@inject(StorageFactory) protected storageFactory: StorageFactory
@inject(StorageFactory) protected storageFactory: StorageFactory,
@inject(MutexService) protected mutexService: MutexService
) {
this.storageProvider = this.storageFactory.create();
}
@ -30,16 +34,24 @@ export class MeetStorageService<G extends GlobalPreferences = GlobalPreferences,
* Initializes default preferences if not already initialized.
* @returns {Promise<G>} Default global preferences.
*/
async buildAndSaveDefaultPreferences(): Promise<G> {
const preferences = await this.getDefaultPreferences();
async initializeGlobalPreferences(): Promise<void> {
try {
// Acquire a global lock to prevent multiple initializations at the same time when running in HA mode
const lock = await this.mutexService.acquire(MeetLock.getGlobalPreferencesLock(), ms('30s'));
if (!lock) {
this.logger.warn(
'Unable to acquire lock for global preferences initialization. May be already initialized by another instance.'
);
return;
}
const preferences = await this.getDefaultPreferences();
this.logger.verbose('Initializing global preferences with default values');
await this.storageProvider.initialize(preferences);
return preferences as G;
} catch (error) {
this.handleError(error, 'Error initializing default preferences');
return Promise.resolve({} as G);
}
}
@ -52,7 +64,9 @@ export class MeetStorageService<G extends GlobalPreferences = GlobalPreferences,
if (preferences) return preferences as G;
return await this.buildAndSaveDefaultPreferences();
await this.initializeGlobalPreferences();
return this.storageProvider.getGlobalPreferences() as Promise<G>;
}
/**