n8n
Version:
n8n Workflow Automation Tool
152 lines • 6.87 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getDefaultRedisClient = exports.getRedisClusterClient = exports.getRedisStandardClient = exports.getRedisPrefix = exports.getRedisClusterNodes = exports.WORKER_RESPONSE_REDIS_LIST = exports.WORKER_RESPONSE_REDIS_CHANNEL = exports.COMMAND_REDIS_CHANNEL = exports.EVENT_BUS_REDIS_CHANNEL = exports.WORKER_RESPONSE_REDIS_STREAM = exports.COMMAND_REDIS_STREAM = exports.EVENT_BUS_REDIS_STREAM = void 0;
const config_1 = __importDefault(require("../../config"));
const typedi_1 = __importDefault(require("typedi"));
const Logger_1 = require("../../Logger");
exports.EVENT_BUS_REDIS_STREAM = 'n8n:eventstream';
exports.COMMAND_REDIS_STREAM = 'n8n:commandstream';
exports.WORKER_RESPONSE_REDIS_STREAM = 'n8n:workerstream';
exports.EVENT_BUS_REDIS_CHANNEL = 'n8n.events';
exports.COMMAND_REDIS_CHANNEL = 'n8n.commands';
exports.WORKER_RESPONSE_REDIS_CHANNEL = 'n8n.worker-response';
exports.WORKER_RESPONSE_REDIS_LIST = 'n8n:list:worker-response';
function getRedisClusterNodes() {
const clusterNodePairs = config_1.default
.getEnv('queue.bull.redis.clusterNodes')
.split(',')
.filter((e) => e);
return clusterNodePairs.map((pair) => {
const [host, port] = pair.split(':');
return { host, port: parseInt(port) };
});
}
exports.getRedisClusterNodes = getRedisClusterNodes;
function getRedisPrefix(customPrefix) {
let prefix = customPrefix !== null && customPrefix !== void 0 ? customPrefix : config_1.default.getEnv('redis.prefix');
if (prefix && getRedisClusterNodes().length > 0) {
if (!prefix.startsWith('{')) {
prefix = '{' + prefix;
}
if (!prefix.endsWith('}')) {
prefix += '}';
}
}
return prefix;
}
exports.getRedisPrefix = getRedisPrefix;
function getRedisStandardClient(redis, redisOptions, redisType) {
let lastTimer = 0;
let cumulativeTimeout = 0;
const { host, port, username, password, db } = config_1.default.getEnv('queue.bull.redis');
const redisConnectionTimeoutLimit = config_1.default.getEnv('queue.bull.redis.timeoutThreshold');
const sharedRedisOptions = {
...redisOptions,
host,
port,
username,
password,
db,
enableReadyCheck: false,
maxRetriesPerRequest: null,
};
if (config_1.default.getEnv('queue.bull.redis.tls'))
sharedRedisOptions.tls = {};
const logger = typedi_1.default.get(Logger_1.Logger);
logger.debug(`Initialising Redis client${redisType ? ` of type ${redisType}` : ''} connection with host: ${host !== null && host !== void 0 ? host : 'localhost'} and port: ${port !== null && port !== void 0 ? port : '6379'}`);
return new redis({
...sharedRedisOptions,
retryStrategy: () => {
const now = Date.now();
if (now - lastTimer > 30000) {
lastTimer = now;
cumulativeTimeout = 0;
}
else {
cumulativeTimeout += now - lastTimer;
lastTimer = now;
if (cumulativeTimeout > redisConnectionTimeoutLimit) {
logger.error(`Unable to connect to Redis after ${redisConnectionTimeoutLimit}. Exiting process.`);
process.exit(1);
}
}
return 500;
},
});
}
exports.getRedisStandardClient = getRedisStandardClient;
function getRedisClusterClient(redis, redisOptions, redisType) {
let lastTimer = 0;
let cumulativeTimeout = 0;
const clusterNodes = getRedisClusterNodes();
const { username, password, db } = config_1.default.getEnv('queue.bull.redis');
const redisConnectionTimeoutLimit = config_1.default.getEnv('queue.bull.redis.timeoutThreshold');
const sharedRedisOptions = {
...redisOptions,
username,
password,
db,
enableReadyCheck: false,
maxRetriesPerRequest: null,
};
if (config_1.default.getEnv('queue.bull.redis.tls'))
sharedRedisOptions.tls = {};
const logger = typedi_1.default.get(Logger_1.Logger);
logger.debug(`Initialising Redis cluster${redisType ? ` of type ${redisType}` : ''} connection with nodes: ${clusterNodes.map((e) => `${e.host}:${e.port}`).join(',')}`);
return new redis.Cluster(clusterNodes.map((node) => ({ host: node.host, port: node.port })), {
redisOptions: sharedRedisOptions,
clusterRetryStrategy: () => {
const now = Date.now();
if (now - lastTimer > 30000) {
lastTimer = now;
cumulativeTimeout = 0;
}
else {
cumulativeTimeout += now - lastTimer;
lastTimer = now;
if (cumulativeTimeout > redisConnectionTimeoutLimit) {
logger.error(`Unable to connect to Redis after ${redisConnectionTimeoutLimit}. Exiting process.`);
process.exit(1);
}
}
return 500;
},
});
}
exports.getRedisClusterClient = getRedisClusterClient;
async function getDefaultRedisClient(additionalRedisOptions, redisType) {
const { default: Redis } = await Promise.resolve().then(() => __importStar(require('ioredis')));
const clusterNodes = getRedisClusterNodes();
const usesRedisCluster = clusterNodes.length > 0;
return usesRedisCluster
? getRedisClusterClient(Redis, additionalRedisOptions, redisType)
: getRedisStandardClient(Redis, additionalRedisOptions, redisType);
}
exports.getDefaultRedisClient = getDefaultRedisClient;
//# sourceMappingURL=RedisServiceHelper.js.map