misskey/packages/backend/scripts/check_connect.js

60 lines
1.3 KiB
JavaScript

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import Redis from 'ioredis';
import { loadConfig } from '../built/config.js';
const config = loadConfig();
// createPostgresDataSource handels primaries and replicas automatically.
// usually, it only opens connections first use, so we force it using
// .initialize()
async function connectToPostgres(){
const source = createPostgresDataSource(config);
await source.initialize();
await source.destroy();
}
// Connect to all redis servers
async function connectToRedis(redisOptions) {
return await new Promise(async (resolve, reject) => {
const redis = new Redis({
...redisOptions,
lazyConnect: true,
reconnectOnError: false,
showFriendlyErrorStack: true,
});
redis.on('error', e => reject(e));
try {
await redis.connect();
resolve();
} catch (e) {
reject(e);
} finally {
redis.disconnect(false);
}
});
}
// If not all of these are defined, the default one gets reused.
// so we use a Set to only try connecting once to each **uniq** redis.
const promises = Array
.from(new Set([
config.redis,
config.redisForPubsub,
config.redisForJobQueue,
config.redisForTimelines,
config.redisForReactions,
]))
.map(connectToRedis)
.concat([
connectToPostgres()
]);
await Promise.allSettled(promises);