enhance: Redisをioredisに統一してIPv6サポート (#8869)

* Use ioredis, Supports IPv6 host

https://github.com/misskey-dev/misskey/issues/8862

* Fix import

* order

* a

* i

* fix

* flushdb

* family

* CHANGELOG

* redis_version

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/backend/src/config/types.ts

@@ -19,6 +19,7 @@ export type Source = {
 	redis: {
 		host: string;
 		port: number;
+		family?: number;
 		pass: string;
 		db?: number;
 		prefix?: string;

packages/backend/src/db/postgre.ts

@@ -192,12 +192,13 @@ export const db = new DataSource({
 	synchronize: process.env.NODE_ENV === 'test',
 	dropSchema: process.env.NODE_ENV === 'test',
 	cache: !config.db.disableCache ? {
-		type: 'redis',
+		type: 'ioredis',
 		options: {
 			host: config.redis.host,
 			port: config.redis.port,
+			family: config.redis.family == null ? 0 : config.redis.family,
 			password: config.redis.pass,
-			prefix: `${config.redis.prefix}:query:`,
+			keyPrefix: `${config.redis.prefix}:query:`,
 			db: config.redis.db || 0,
 		},
 	} : false,
@@ -226,7 +227,7 @@ export async function initDb(force = false) {
 
 export async function resetDb() {
 	const reset = async () => {
-		await redisClient.FLUSHDB();
+		await redisClient.flushdb();
 		const tables = await db.query(`SELECT relname AS "table"
 		FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
 		WHERE nspname NOT IN ('pg_catalog', 'information_schema')

packages/backend/src/db/redis.ts

@@ -1,16 +1,15 @@
-import * as redis from 'redis';
+import Redis from 'ioredis';
 import config from '@/config/index.js';
 
 export function createConnection() {
-	return redis.createClient(
-		config.redis.port,
-		config.redis.host,
-		{
-			password: config.redis.pass,
-			prefix: config.redis.prefix,
-			db: config.redis.db || 0,
-		}
-	);
+	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,
+	});
 }
 
 export const subsdcriber = createConnection();

packages/backend/src/queue/initialize.ts

@@ -6,6 +6,7 @@ export function initialize<T>(name: string, limitPerSec = -1) {
 		redis: {
 			port: config.redis.port,
 			host: config.redis.host,
+			family: config.redis.family == null ? 0 : config.redis.family,
 			password: config.redis.pass,
 			db: config.redis.db || 0,
 		},

packages/backend/src/server/api/endpoints/admin/server-info.ts

@@ -99,12 +99,16 @@ export default define(meta, paramDef, async () => {
 	const fsStats = await si.fsSize();
 	const netInterface = await si.networkInterfaceDefault();
 
+	const redisServerInfo = await redisClient.info('Server');
+	const m = redisServerInfo.match(new RegExp('^redis_version:(.*)', 'm'));
+	const redis_version = m?.[1];
+
 	return {
 		machine: os.hostname(),
 		os: os.platform(),
 		node: process.version,
 		psql: await db.query('SHOW server_version').then(x => x[0].server_version),
-		redis: redisClient.server_info.redis_version,
+		redis: redis_version,
 		cpu: {
 			model: os.cpus()[0].model,
 			cores: os.cpus().length,