sharkey/packages/backend/src/server/HealthServerService.ts
Acid Chicken 611e303bab
feat(backend): add /healthz endpoint (#13834)
* feat(backend): add /healthz endpoint

* feat(backend): also check meilisearch status if available

* style: header

* chore: no-store

* chore: healthcheck.sh

* style: format
2024-05-23 15:19:52 +09:00

55 lines
1.5 KiB
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { Inject, Injectable } from '@nestjs/common';
import * as Redis from 'ioredis';
import { DataSource } from 'typeorm';
import { bindThis } from '@/decorators.js';
import { DI } from '@/di-symbols.js';
import { readyRef } from '@/boot/ready.js';
import type { FastifyInstance, FastifyPluginOptions } from 'fastify';
import type { MeiliSearch } from 'meilisearch';
@Injectable()
export class HealthServerService {
constructor(
@Inject(DI.redis)
private redis: Redis.Redis,
@Inject(DI.redisForPub)
private redisForPub: Redis.Redis,
@Inject(DI.redisForSub)
private redisForSub: Redis.Redis,
@Inject(DI.redisForTimelines)
private redisForTimelines: Redis.Redis,
@Inject(DI.db)
private db: DataSource,
@Inject(DI.meilisearch)
private meilisearch: MeiliSearch | null,
) {}
@bindThis
public createServer(fastify: FastifyInstance, options: FastifyPluginOptions, done: (err?: Error) => void) {
fastify.get('/', async (request, reply) => {
reply.code(await Promise.all([
new Promise<void>((resolve, reject) => readyRef.value ? resolve() : reject()),
this.redis.ping(),
this.redisForPub.ping(),
this.redisForSub.ping(),
this.redisForTimelines.ping(),
this.db.query('SELECT 1'),
...(this.meilisearch ? [this.meilisearch.health()] : []),
]).then(() => 200, () => 503));
reply.header('Cache-Control', 'no-store');
});
done();
}
}