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add nodeAddressMap config for cluster (#1827)

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* add `nodeAddressMap` config for cluster

* Update cluster-slots.ts

* Update cluster-slots.ts

* update docs

Co-authored-by: Guy Royse <guy@guyroyse.com>

Co-authored-by: Guy Royse <guy@guyroyse.com>
This commit is contained in:
Leibale Eidelman
2022-02-14 15:23:35 -05:00
committed by GitHub
parent 6dd15d96aa
commit 0803f4e19c
5 changed files with 101 additions and 55 deletions
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11
packages/client/lib/cluster/index.ts
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@@ -1,7 +1,7 @@
import COMMANDS from './commands';
import { RedisCommand, RedisCommandArgument, RedisCommandArguments, RedisCommandRawReply, RedisCommandReply, RedisModules, RedisPlugins, RedisScript, RedisScripts } from '../commands';
import { ClientCommandOptions, RedisClientCommandSignature, RedisClientOptions, RedisClientType, WithModules, WithScripts } from '../client';
import RedisClusterSlots, { ClusterNode } from './cluster-slots';
import RedisClusterSlots, { ClusterNode, NodeAddressMap } from './cluster-slots';
import { extendWithModulesAndScripts, transformCommandArguments, transformCommandReply, extendWithCommands } from '../commander';
import { EventEmitter } from 'events';
import RedisClusterMultiCommand, { RedisClusterMultiCommandType } from './multi-command';
@@ -17,6 +17,7 @@ export interface RedisClusterOptions<
defaults?: Partial<RedisClusterClientOptions>;
useReplicas?: boolean;
maxCommandRedirections?: number;
nodeAddressMap?: NodeAddressMap;
}
type WithCommands = {
@@ -144,16 +145,16 @@ export default class RedisCluster<M extends RedisModules, S extends RedisScripts
}
if (err.message.startsWith('ASK')) {
const url = err.message.substring(err.message.lastIndexOf(' ') + 1);
if (this.#slots.getNodeByUrl(url)?.client === client) {
const address = err.message.substring(err.message.lastIndexOf(' ') + 1);
if (this.#slots.getNodeByAddress(address)?.client === client) {
await client.asking();
continue;
}
await this.#slots.rediscover(client);
const redirectTo = this.#slots.getNodeByUrl(url);
const redirectTo = this.#slots.getNodeByAddress(address);
if (!redirectTo) {
throw new Error(`Cannot find node ${url}`);
throw new Error(`Cannot find node ${address}`);
}
await redirectTo.client.asking();