misskey/packages/backend/src/GlobalModule.ts

104 lines
2.9 KiB
TypeScript

import { setTimeout } from 'node:timers/promises';
import { Global, Inject, Module } from '@nestjs/common';
import Redis from 'ioredis';
import { DataSource } from 'typeorm';
import { DI } from './di-symbols.js';
import { loadConfig } from './config.js';
import { createPostgresDataSource } from './postgres.js';
import { RepositoryModule } from './models/RepositoryModule.js';
import type { Provider, OnApplicationShutdown } from '@nestjs/common';
const $config: Provider = {
provide: DI.config,
useValue: loadConfig(),
};
const $db: Provider = {
provide: DI.db,
useFactory: async (config) => {
const db = createPostgresDataSource(config);
return await db.initialize();
},
inject: [DI.config],
};
const $redis: Provider = {
provide: DI.redis,
useFactory: (config) => {
return new Redis({
port: config.redis.port,
host: config.redis.host,
family: config.redis.family == null ? 0 : config.redis.family,
password: config.redis.pass,
keyPrefix: `${config.redis.prefix}:`,
db: config.redis.db ?? 0,
});
},
inject: [DI.config],
};
const $redisForPub: Provider = {
provide: DI.redisForPub,
useFactory: (config) => {
const redis = new Redis({
port: config.redisForPubsub.port,
host: config.redisForPubsub.host,
family: config.redisForPubsub.family == null ? 0 : config.redisForPubsub.family,
password: config.redisForPubsub.pass,
keyPrefix: `${config.redisForPubsub.prefix}:`,
db: config.redisForPubsub.db ?? 0,
});
return redis;
},
inject: [DI.config],
};
const $redisForSub: Provider = {
provide: DI.redisForSub,
useFactory: (config) => {
const redis = new Redis({
port: config.redisForPubsub.port,
host: config.redisForPubsub.host,
family: config.redisForPubsub.family == null ? 0 : config.redisForPubsub.family,
password: config.redisForPubsub.pass,
keyPrefix: `${config.redisForPubsub.prefix}:`,
db: config.redisForPubsub.db ?? 0,
});
redis.subscribe(config.host);
return redis;
},
inject: [DI.config],
};
@Global()
@Module({
imports: [RepositoryModule],
providers: [$config, $db, $redis, $redisForPub, $redisForSub],
exports: [$config, $db, $redis, $redisForPub, $redisForSub, RepositoryModule],
})
export class GlobalModule implements OnApplicationShutdown {
constructor(
@Inject(DI.db) private db: DataSource,
@Inject(DI.redis) private redisClient: Redis.Redis,
@Inject(DI.redisForPub) private redisForPub: Redis.Redis,
@Inject(DI.redisForSub) private redisForSub: Redis.Redis,
) {}
async onApplicationShutdown(signal: string): Promise<void> {
if (process.env.NODE_ENV === 'test') {
// XXX:
// Shutting down the existing connections causes errors on Jest as
// Misskey has asynchronous postgres/redis connections that are not
// awaited.
// Let's wait for some random time for them to finish.
await setTimeout(5000);
}
await Promise.all([
this.db.destroy(),
this.redisClient.disconnect(),
this.redisForPub.disconnect(),
this.redisForSub.disconnect(),
]);
}
}