mirror of
https://github.com/clusterio/clusterio.git
synced 2026-11-11 15:04:52 +09:00
Hornwitser
450e27e001
Add exported metrics that map instance id and slave id to their respective names. This allows getting the instance name of a metric by doing a left join using query of the form 'metric * on(instance_id) group_left(instance_name) clusterio_master_instance_mapping'.
2060 lines
59 KiB
JavaScript
Executable File
2060 lines
59 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* Clusterio master server
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*
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* Facilitates communication between slaves and control of the cluster
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* through WebSocet connections, and hosts a webserver for browser
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* interfaces and Prometheus statistics export. It is remotely controlled
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* by {@link module:ctl/ctl}.
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*
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* @module master/master
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* @author Danielv123, Hornwitser
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* @example
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* npx clusteriomaster run
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*/
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// Attempt updating
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// const updater = require("./updater");
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// updater.update().then(console.log);
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"use strict";
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const path = require("path");
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const fs = require("fs-extra");
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const jwt = require("jsonwebtoken");
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const crypto = require("crypto");
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const setBlocking = require("set-blocking");
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const events = require("events");
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const yargs = require("yargs");
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const WebSocket = require("ws");
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const JSZip = require("jszip");
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const version = require("./package").version;
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const util = require("util");
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const winston = require("winston");
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// ugly globals
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let masterConfig;
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let masterConfigPath;
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let masterPlugins = new Map();
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let pluginInfos = new Map();
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let stopAcceptingNewSessions = false;
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let debugEvents = new events.EventEmitter();
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let loadedPlugins = {};
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let devMiddleware;
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let clusterLogger;
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let db = {
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instances: new Map(),
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slaves: new Map(),
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};
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// homebrew modules
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const generateSslCert = require("./src/generate_ssl_cert");
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const routes = require("./src/routes");
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const libDatabase = require("@clusterio/lib/database");
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const libSchema = require("@clusterio/lib/schema");
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const libLink = require("@clusterio/lib/link");
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const libErrors = require("@clusterio/lib/errors");
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const libPlugin = require("@clusterio/lib/plugin");
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const libPluginLoader = require("@clusterio/lib/plugin_loader");
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const libPrometheus = require("@clusterio/lib/prometheus");
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const libConfig = require("@clusterio/lib/config");
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const libUsers = require("@clusterio/lib/users");
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const libSharedCommands = require("@clusterio/lib/shared_commands");
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const libHelpers = require("@clusterio/lib/helpers");
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const { ConsoleTransport, levels, logger } = require("@clusterio/lib/logging");
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const libLoggingUtils = require("@clusterio/lib/logging_utils");
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const express = require("express");
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const compression = require("compression");
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const cookieParser = require("cookie-parser");
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// Required for express post requests
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const bodyParser = require("body-parser");
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const fileUpload = require("express-fileupload");
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const app = express();
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let httpServer;
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let httpsServer;
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app.use(cookieParser());
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app.use(bodyParser.json({
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limit: "10mb",
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}));
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app.use(bodyParser.urlencoded({
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parameterLimit: 100000,
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limit: "10mb",
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extended: true,
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}));
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app.use(fileUpload());
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app.use(compression());
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// Servers the web interface with the root path set apropriately.
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function serveWeb(route) {
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// The depth is is the number of slashes in the route minus one, but due
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// to lenient matching on trailing slashes in the route we need to
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// compensate if the request path contains a slash but not the route,
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// and vice versa.
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let routeDepth = (route.match(/\//g) || []).length - 1 - (route.slice(-1) === "/");
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return function(req, res, next) {
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let depth = routeDepth + (req.path.slice(-1) === "/");
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let webRoot = "../".repeat(depth) || "./";
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fs.readFile(path.join(__dirname, "web", "index.html"), "utf8").then((content) => {
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res.type("text/html");
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res.send(content.replace(/__WEB_ROOT__/g, webRoot));
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}).catch(err => {
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next(err);
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});
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};
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}
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// Set folder to serve static content from (the website)
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app.use(express.static(path.join(__dirname, "static")));
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app.use(express.static("static")); // Used for data export files
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const slaveMappingGauge = new libPrometheus.Gauge(
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"clusterio_master_slave_mapping",
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"Mapping of Slave ID to name",
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{
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labels: ["slave_id", "slave_name"],
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callback: function() {
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slaveMappingGauge.clear();
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for (let [id, slave] of db.slaves) {
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slaveMappingGauge.labels({
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slave_id: String(id),
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slave_name: slave.name,
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}).set(1);
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};
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},
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}
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);
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const instanceMappingGauge = new libPrometheus.Gauge(
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"clusterio_master_instance_mapping",
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"Mapping of Instance ID to name and slave",
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{
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labels: ["instance_id", "instance_name", "slave_id"],
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callback: function() {
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instanceMappingGauge.clear();
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for (let [id, instance] of db.instances) {
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instanceMappingGauge.labels({
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instance_id: String(id),
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instance_name: String(instance.config.get("instance.name")),
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slave_id: String(instance.config.get("instance.assigned_slave")),
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}).set(1);
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}
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},
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}
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);
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const endpointHitCounter = new libPrometheus.Counter(
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"clusterio_master_http_endpoint_hits_total",
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"How many requests a particular HTTP endpoint has gotten",
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{ labels: ["route"] }
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);
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const wsMessageCounter = new libPrometheus.Counter(
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"clusterio_master_websocket_message_total",
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"How many messages have been received over WebSocket on the master server",
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{ labels: ["direction"] }
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);
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const wsConnectionsCounter = new libPrometheus.Counter(
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"clusterio_master_websocket_connections_total",
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"How many WebSocket connections have been initiated on the master server"
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);
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const wsRejectedConnectionsCounter = new libPrometheus.Counter(
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"clusterio_master_websocket_rejected_connections_total",
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"How many WebSocket connections have been rejected during the handshake on the master server"
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);
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const wsActiveConnectionsGauge = new libPrometheus.Gauge(
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"clusterio_master_websocket_active_connections",
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"How many WebSocket connections are currently open to the master server"
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);
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const wsActiveSlavesGauge = new libPrometheus.Gauge(
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"clusterio_master_active_slaves",
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"How many slaves are currently connected to the master"
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);
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// Prometheus polling endpoint
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async function getMetrics(req, res, next) {
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endpointHitCounter.labels(req.route.path).inc();
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let results = [];
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let pluginResults = await libPlugin.invokeHook(masterPlugins, "onMetrics");
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for (let metricIterator of pluginResults) {
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for await (let metric of metricIterator) {
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results.push(metric);
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}
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}
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let requests = [];
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for (let slaveConnection of slaveConnections.values()) {
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requests.push(libHelpers.timeout(libLink.messages.getMetrics.send(slaveConnection), 8e3, null));
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}
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for await (let result of await libPrometheus.defaultRegistry.collect()) {
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results.push(result);
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}
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let resultMap = new Map();
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for (let response of await Promise.all(requests)) {
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if (!response) {
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// TODO: Log timeout occured?
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continue;
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}
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for (let result of response.results) {
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if (!resultMap.has(result.metric.name)) {
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resultMap.set(result.metric.name, result);
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} else {
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// Merge metrics received by multiple slaves
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let receivedSamples = new Map(result.samples);
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for (let [suffix, suffixSamples] of resultMap.get(result.metric.name).samples) {
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if (receivedSamples.has(suffix)) {
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suffixSamples.push(...receivedSamples.get(suffix));
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receivedSamples.delete(suffix);
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}
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}
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for (let entry of receivedSamples) {
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result.samples.push(entry);
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}
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}
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}
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}
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for (let result of resultMap.values()) {
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results.push(libPrometheus.deserializeResult(result));
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}
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wsActiveConnectionsGauge.set(activeConnectors.size);
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wsActiveSlavesGauge.set(slaveConnections.size);
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let text = await libPrometheus.exposition(results);
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res.set("Content-Type", libPrometheus.exposition.contentType);
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res.send(text);
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}
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app.get("/metrics", (req, res, next) => getMetrics(req, res, next).catch(next));
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function validateSlaveToken(req, res, next) {
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let token = req.header("x-access-token");
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if (!token) {
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res.sendStatus(401);
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return;
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}
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try {
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jwt.verify(token, masterConfig.get("master.auth_secret"), { audience: "slave" });
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} catch (err) {
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res.sendStatus(401);
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return;
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}
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next();
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}
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app.get("/api/plugins", (req, res) => {
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let plugins = [];
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for (let pluginInfo of pluginInfos) {
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let name = pluginInfo.name;
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let enabled = masterPlugins.has(name) && masterConfig.group(name).get("enabled");
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plugins.push({ name, enabled });
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}
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res.send(plugins);
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});
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// Handle an uploaded export package.
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async function uploadExport(req, res, next) {
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endpointHitCounter.labels(req.route.path).inc();
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if (req.get("Content-Type") !== "application/zip") {
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res.sendStatus(415);
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return;
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}
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let data = [];
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for await (let chunk of req) {
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data.push(chunk);
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}
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data = Buffer.concat(data);
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let zip = await JSZip.loadAsync(data);
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data = null;
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// This is hardcoded to prevent path expansion attacks
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let exportFiles = [
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"export/item-spritesheet.png",
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"export/item-metadata.json",
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"export/locale.json",
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];
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for (let filePath of exportFiles) {
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let file = zip.file(filePath);
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if (!file) {
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continue;
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}
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let name = path.posix.basename(filePath);
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await fs.outputFile(path.join("static", "export", name), await file.async("nodebuffer"));
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}
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res.sendStatus(200);
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}
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app.put("/api/upload-export",
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validateSlaveToken,
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(req, res, next) => uploadExport(req, res, next).catch(next)
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);
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const masterConnectedClientsCount = new libPrometheus.Gauge(
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"clusterio_master_connected_clients_count", "How many clients are currently connected to this master server",
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{
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labels: ["type"], callback: async function(gauge) {
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gauge.labels("slave").set(slaveConnections.size);
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gauge.labels("control").set(controlConnections.length);
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},
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},
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);
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/**
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* Load Map from JSON file in the database directory.
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*
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* @param {string} databaseDirectory - Path to master database directory.
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* @param {string} file - Name of file to load.
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* @returns {Map} file loaded as a map.
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*/
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async function loadMap(databaseDirectory, file) {
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let databasePath = path.resolve(databaseDirectory, file);
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logger.info(`Loading ${databasePath}`);
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return await libDatabase.loadJsonArrayAsMap(databasePath);
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}
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async function loadInstances(databaseDirectory, file) {
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let filePath = path.join(databaseDirectory, file);
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logger.info(`Loading ${filePath}`);
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let instances = new Map();
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try {
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let serialized = JSON.parse(await fs.readFile(filePath));
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for (let serializedConfig of serialized) {
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let instanceConfig = new libConfig.InstanceConfig();
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await instanceConfig.load(serializedConfig);
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let status = instanceConfig.get("instance.assigned_slave") === null ? "unassigned" : "unknown";
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instances.set(instanceConfig.get("instance.id"), { config: instanceConfig, status });
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}
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} catch (err) {
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if (err.code !== "ENOENT") {
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throw err;
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}
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}
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return instances;
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}
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async function loadUsers(databaseDirectory, file) {
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let loadedRoles = new Map();
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let loadedUsers = new Map();
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try {
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let content = JSON.parse(await fs.readFile(path.join(databaseDirectory, file)));
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for (let serializedRole of content.roles) {
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let role = new libUsers.Role(serializedRole);
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loadedRoles.set(role.id, role);
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}
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for (let serializedUser of content.users) {
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let user = new libUsers.User(serializedUser, loadedRoles);
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loadedUsers.set(user.name, user);
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}
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} catch (err) {
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if (err.code !== "ENOENT") {
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throw err;
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}
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// Create default roles if loading failed
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libUsers.ensureDefaultAdminRole(loadedRoles);
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libUsers.ensureDefaultPlayerRole(loadedRoles);
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}
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db.roles = loadedRoles;
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db.users = loadedUsers;
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}
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/**
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* Create a new user
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*
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* Creates a new user instances and add it to the user database.
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*
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* @param {string} name - Name of the user to create.
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* @returns {module:lib/users.User} newly created user.
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*/
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function createUser(name) {
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if (db.users.has(name)) {
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throw new Error(`User '${name}' already exists`);
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}
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let defaultRoleId = masterConfig.get("master.default_role_id");
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let user = new libUsers.User({ name, roles: [defaultRoleId] }, db.roles);
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db.users.set(name, user);
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return user;
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}
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/**
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* Save Map to JSON file in the database directory.
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*
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* @param {string} databaseDirectory - Path to master database directory.
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* @param {string} file - Name of file to save.
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* @param {Map} map - Mapping to save into file.
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*/
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async function saveMap(databaseDirectory, file, map) {
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let databasePath = path.resolve(databaseDirectory, file);
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logger.info(`Saving ${databasePath}`);
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await libDatabase.saveMapAsJsonArray(databasePath, map);
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}
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async function saveInstances(databaseDirectory, file, instances) {
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let filePath = path.join(databaseDirectory, file);
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let serialized = [];
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for (let instance of instances.values()) {
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serialized.push(instance.config.serialize());
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}
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await fs.outputFile(filePath, JSON.stringify(serialized, null, 4));
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}
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async function saveUsers(databaseDirectory, file) {
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let filePath = path.join(databaseDirectory, file);
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let serializedRoles = [];
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for (let role of db.roles.values()) {
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serializedRoles.push(role.serialize());
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}
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let serializedUsers = [];
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for (let user of db.users.values()) {
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serializedUsers.push(user.serialize());
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}
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||
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let serialized = {
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users: serializedUsers,
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roles: serializedRoles,
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};
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await fs.outputFile(filePath, JSON.stringify(serialized, null, 4));
|
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}
|
||
|
||
/**
|
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* Innitiate shutdown of master server
|
||
*/
|
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async function shutdown() {
|
||
logger.info("Shutting down");
|
||
let exitStartTime = Date.now();
|
||
try {
|
||
logger.info("Saving configs");
|
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await fs.outputFile(masterConfigPath, JSON.stringify(masterConfig.serialize(), null, 4));
|
||
|
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await saveMap(masterConfig.get("master.database_directory"), "slaves.json", db.slaves);
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await saveInstances(masterConfig.get("master.database_directory"), "instances.json", db.instances);
|
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await saveUsers(masterConfig.get("master.database_directory"), "users.json");
|
||
|
||
await libPlugin.invokeHook(masterPlugins, "onShutdown");
|
||
|
||
stopAcceptingNewSessions = true;
|
||
|
||
if (devMiddleware) {
|
||
await new Promise((resolve, reject) => { devMiddleware.close(resolve); });
|
||
}
|
||
|
||
let disconnectTasks = [];
|
||
for (let controlConnection of controlConnections) {
|
||
controlConnection.connector.setTimeout(masterConfig.get("master.connector_shutdown_timeout"));
|
||
disconnectTasks.push(controlConnection.disconnect(1001, "Server Quit"));
|
||
}
|
||
|
||
for (let slaveConnection of slaveConnections.values()) {
|
||
slaveConnection.connector.setTimeout(masterConfig.get("master.connector_shutdown_timeout"));
|
||
disconnectTasks.push(slaveConnection.disconnect(1001, "Server Quit"));
|
||
}
|
||
|
||
logger.info(`Waiting for ${disconnectTasks.length} connectors to close`);
|
||
for (let task of disconnectTasks) {
|
||
try {
|
||
await task;
|
||
} catch (err) {
|
||
if (!(err instanceof libErrors.SessionLost)) {
|
||
logger.warn(`Unexpected error disconnecting connector:\n${err.stack}`);
|
||
}
|
||
}
|
||
}
|
||
|
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for (let socket of pendingSockets) {
|
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socket.close(1001, "Server Quit");
|
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}
|
||
|
||
let stopTasks = [];
|
||
logger.info("Stopping HTTP(S) server");
|
||
if (httpServer) { stopTasks.push(new Promise(resolve => httpServer.close(resolve))); }
|
||
if (httpsServer) { stopTasks.push(new Promise(resolve => httpsServer.close(resolve))); }
|
||
await Promise.all(stopTasks);
|
||
|
||
logger.info(`Clusterio cleanly exited in ${Date.now() - exitStartTime}ms`);
|
||
|
||
} catch(err) {
|
||
setBlocking(true);
|
||
logger.fatal(`
|
||
+--------------------------------------------------------------------+
|
||
| Unexpected error occured while shutting down master, please report |
|
||
| it to https://github.com/clusterio/factorioClusterio/issues |
|
||
+--------------------------------------------------------------------+
|
||
${err.stack}`
|
||
);
|
||
process.exit(1);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Base class for master server connections
|
||
*
|
||
* @extends module:lib/link.Link
|
||
*/
|
||
class BaseConnection extends libLink.Link {
|
||
constructor(target, connector) {
|
||
super("master", target, connector);
|
||
libLink.attachAllMessages(this);
|
||
for (let masterPlugin of masterPlugins.values()) {
|
||
libPlugin.attachPluginMessages(this, masterPlugin.info, masterPlugin);
|
||
}
|
||
}
|
||
|
||
async forwardRequestToInstance(message, request) {
|
||
let instance = db.instances.get(message.data.instance_id);
|
||
if (!instance) {
|
||
throw new libErrors.RequestError(`Instance with ID ${message.data.instance_id} does not exist`);
|
||
}
|
||
|
||
let slaveId = instance.config.get("instance.assigned_slave");
|
||
if (slaveId === null) {
|
||
throw new libErrors.RequestError("Instance is not assigned to a slave");
|
||
}
|
||
|
||
let connection = slaveConnections.get(slaveId);
|
||
if (!connection) {
|
||
throw new libErrors.RequestError("Slave containing instance is not connected");
|
||
}
|
||
if (request.plugin && !connection.plugins.has(request.plugin)) {
|
||
throw new libErrors.RequestError(`Slave containing instance does not have ${request.plugin} plugin`);
|
||
}
|
||
|
||
return await request.send(connection, message.data);
|
||
}
|
||
|
||
async forwardEventToInstance(message, event) {
|
||
let instance = db.instances.get(message.data.instance_id);
|
||
if (!instance) { return; }
|
||
|
||
let slaveId = instance.config.get("instance.assigned_slave");
|
||
if (slaveId === null) { return; }
|
||
|
||
let connection = slaveConnections.get(slaveId);
|
||
if (!connection || connection.closing) { return; }
|
||
if (event.plugin && !connection.plugins.has(event.plugin)) { return; }
|
||
|
||
event.send(connection, message.data);
|
||
}
|
||
|
||
async broadcastEventToSlaves(message, event) {
|
||
for (let slaveConnection of slaveConnections.values()) {
|
||
// Do not broadcast back to the source
|
||
if (slaveConnection === this) { continue; }
|
||
if (slaveConnection.connector.closing) { continue; }
|
||
if (event.plugin && !slaveConnection.plugins.has(event.plugin)) { continue; }
|
||
|
||
event.send(slaveConnection, message.data);
|
||
}
|
||
}
|
||
|
||
async broadcastEventToInstance(message, event) {
|
||
await this.broadcastEventToSlaves(message, event);
|
||
}
|
||
|
||
async prepareDisconnectRequestHandler(message, request) {
|
||
await libPlugin.invokeHook(masterPlugins, "onPrepareSlaveDisconnect", this);
|
||
this.connector.setClosing();
|
||
return await super.prepareDisconnectRequestHandler(message, request);
|
||
}
|
||
|
||
async disconnect(code, reason) {
|
||
try {
|
||
await libLink.messages.prepareDisconnect.send(this);
|
||
} catch (err) {
|
||
if (!(err instanceof libErrors.SessionLost)) {
|
||
logger.error(`"Unexpected error preparing disconnect:\n${err.stack}`);
|
||
}
|
||
}
|
||
|
||
await this.connector.close(code, reason);
|
||
}
|
||
}
|
||
|
||
const lastQueryLogTime = new libPrometheus.Gauge(
|
||
"clusterio_master_last_query_log_duration_seconds",
|
||
"Time in seconds the last log query took to execute."
|
||
);
|
||
|
||
let controlConnections = [];
|
||
class ControlConnection extends BaseConnection {
|
||
constructor(registerData, connector, user) {
|
||
super("control", connector);
|
||
|
||
this._agent = registerData.agent;
|
||
this._version = registerData.version;
|
||
|
||
/**
|
||
* The user making this connection.
|
||
* @type {module:lib/user.User}
|
||
*/
|
||
this.user = user;
|
||
|
||
this.connector.on("close", () => {
|
||
let index = controlConnections.indexOf(this);
|
||
if (index !== -1) {
|
||
controlConnections.splice(index, 1);
|
||
}
|
||
});
|
||
|
||
this.logTransport = null;
|
||
this.logSubscriptions = {
|
||
all: false,
|
||
master: false,
|
||
slave_ids: [],
|
||
instance_ids: [],
|
||
};
|
||
|
||
this.ws_dumper = null;
|
||
this.connector.on("connect", () => {
|
||
this.connector._socket.clusterio_ignore_dump = Boolean(this.ws_dumper);
|
||
});
|
||
this.connector.on("close", () => {
|
||
if (this.logTransport) {
|
||
this.logTransport = null;
|
||
logger.remove(this.logTransport);
|
||
}
|
||
if (this.ws_dumper) {
|
||
debugEvents.off("message", this.ws_dumper);
|
||
}
|
||
});
|
||
}
|
||
|
||
async listSlavesRequestHandler(message) {
|
||
let list = [];
|
||
for (let slave of db.slaves.values()) {
|
||
list.push({
|
||
agent: slave.agent,
|
||
version: slave.version,
|
||
id: slave.id,
|
||
name: slave.name,
|
||
connected: slaveConnections.has(slave.id),
|
||
});
|
||
}
|
||
return { list };
|
||
}
|
||
|
||
generateSlaveToken(slaveId) {
|
||
return jwt.sign({ aud: "slave", slave: slaveId }, masterConfig.get("master.auth_secret"));
|
||
}
|
||
|
||
async generateSlaveTokenRequestHandler(message) {
|
||
return { token: this.generateSlaveToken(message.data.slave_id) };
|
||
}
|
||
|
||
async createSlaveConfigRequestHandler(message) {
|
||
let slaveConfig = new libConfig.SlaveConfig();
|
||
await slaveConfig.init();
|
||
|
||
slaveConfig.set("slave.master_url", getMasterUrl());
|
||
if (message.data.id !== null) {
|
||
slaveConfig.set("slave.id", message.data.id);
|
||
}
|
||
if (message.data.name !== null) {
|
||
slaveConfig.set("slave.name", message.data.name);
|
||
}
|
||
if (message.data.generate_token) {
|
||
this.user.checkPermission("core.slave.generate_token");
|
||
slaveConfig.set("slave.master_token", this.generateSlaveToken(slaveConfig.get("slave.id")));
|
||
}
|
||
return { serialized_config: slaveConfig.serialize() };
|
||
}
|
||
|
||
async listInstancesRequestHandler(message) {
|
||
let list = [];
|
||
for (let instance of db.instances.values()) {
|
||
list.push({
|
||
id: instance.config.get("instance.id"),
|
||
name: instance.config.get("instance.name"),
|
||
assigned_slave: instance.config.get("instance.assigned_slave"),
|
||
status: instance.status,
|
||
});
|
||
}
|
||
return { list };
|
||
}
|
||
|
||
// XXX should probably add a hook for slave reuqests?
|
||
async createInstanceRequestHandler(message) {
|
||
let instanceConfig = new libConfig.InstanceConfig();
|
||
await instanceConfig.load(message.data.serialized_config);
|
||
|
||
let instanceId = instanceConfig.get("instance.id");
|
||
if (db.instances.has(instanceId)) {
|
||
throw new libErrors.RequestError(`Instance with ID ${instanceId} already exists`);
|
||
}
|
||
db.instances.set(instanceId, { config: instanceConfig, status: "unassigned" });
|
||
}
|
||
|
||
async deleteInstanceRequestHandler(message, request) {
|
||
let instance = db.instances.get(message.data.instance_id);
|
||
if (!instance) {
|
||
throw new libErrors.RequestError(`Instance with ID ${message.data.instance_id} does not exist`);
|
||
}
|
||
|
||
if (instance.config.get("instance.assigned_slave") !== null) {
|
||
await this.forwardRequestToInstance(message, request);
|
||
}
|
||
db.instances.delete(message.data.instance_id);
|
||
}
|
||
|
||
async getInstanceConfigRequestHandler(message) {
|
||
let instance = db.instances.get(message.data.instance_id);
|
||
if (!instance) {
|
||
throw new libErrors.RequestError(`Instance with ID ${message.data.instance_id} does not exist`);
|
||
}
|
||
|
||
return {
|
||
serialized_config: instance.config.serialize(),
|
||
};
|
||
}
|
||
|
||
async updateInstanceConfig(instance) {
|
||
let slaveId = instance.config.get("instance.assigned_slave");
|
||
if (slaveId) {
|
||
let connection = slaveConnections.get(slaveId);
|
||
if (connection) {
|
||
await libLink.messages.assignInstance.send(connection, {
|
||
instance_id: instance.config.get("instance.id"),
|
||
serialized_config: instance.config.serialize(),
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
async setInstanceConfigFieldRequestHandler(message) {
|
||
let instance = db.instances.get(message.data.instance_id);
|
||
if (!instance) {
|
||
throw new libErrors.RequestError(`Instance with ID ${message.data.instance_id} does not exist`);
|
||
}
|
||
|
||
if (message.data.field === "instance.assigned_slave") {
|
||
throw new libErrors.RequestError("instance.assigned_slave must be set through the assign-slave interface");
|
||
}
|
||
|
||
if (message.data.field === "instance.id") {
|
||
// XXX is this worth implementing? It's race condition galore.
|
||
throw new libErrors.RequestError("Setting instance.id is not supported");
|
||
}
|
||
|
||
instance.config.set(message.data.field, message.data.value);
|
||
await this.updateInstanceConfig(instance);
|
||
}
|
||
|
||
async setInstanceConfigPropRequestHandler(message) {
|
||
let instance = db.instances.get(message.data.instance_id);
|
||
if (!instance) {
|
||
throw new libErrors.RequestError(`Instance with ID ${message.data.instance_id} does not exist`);
|
||
}
|
||
|
||
let { field, prop, value } = message.data;
|
||
instance.config.setProp(field, prop, value);
|
||
await this.updateInstanceConfig(instance);
|
||
}
|
||
|
||
async assignInstanceCommandRequestHandler(message, request) {
|
||
let { slave_id, instance_id } = message.data;
|
||
let instance = db.instances.get(instance_id);
|
||
if (!instance) {
|
||
throw new libErrors.RequestError(`Instance with ID ${instance_id} does not exist`);
|
||
}
|
||
|
||
// Check if target slave is connected
|
||
let newSlaveConnection;
|
||
if (slave_id !== null) {
|
||
newSlaveConnection = slaveConnections.get(slave_id);
|
||
if (!newSlaveConnection) {
|
||
// The case of the slave not getting the assign instance message
|
||
// still have to be handled, so it's not a requirement that the
|
||
// target slave be connected to the master while doing the
|
||
// assignment, but it is IMHO a better user experience if this
|
||
// is the case.
|
||
throw new libErrors.RequestError("Target slave is not connected to the master server");
|
||
}
|
||
}
|
||
|
||
// Unassign from currently assigned slave if it is connected.
|
||
let currentAssignedSlave = instance.config.get("instance.assigned_slave");
|
||
if (currentAssignedSlave !== null && slave_id !== currentAssignedSlave) {
|
||
let oldSlaveConnection = slaveConnections.get(currentAssignedSlave);
|
||
if (oldSlaveConnection && !oldSlaveConnection.connector.closing) {
|
||
await libLink.messages.unassignInstance.send(oldSlaveConnection, { instance_id });
|
||
}
|
||
}
|
||
|
||
// Assign to target
|
||
instance.config.set("instance.assigned_slave", slave_id);
|
||
if (slave_id !== null) {
|
||
await libLink.messages.assignInstance.send(newSlaveConnection, {
|
||
instance_id,
|
||
serialized_config: instance.config.serialize(),
|
||
});
|
||
}
|
||
}
|
||
|
||
async setLogSubscriptionsRequestHandler(message) {
|
||
this.logSubscriptions = message.data;
|
||
this.updateLogSubscriptions();
|
||
}
|
||
|
||
static logFilter({ all, master, slave_ids, instance_ids, max_level }) {
|
||
return info => {
|
||
// Note: reversed to filter out undefined levels
|
||
if (max_level && !(levels[info.level] <= levels[max_level])) {
|
||
return false;
|
||
}
|
||
|
||
if (all) {
|
||
return true;
|
||
}
|
||
if (master && info.slave_id === undefined) {
|
||
return true;
|
||
}
|
||
if (info.slave_id && slave_ids.includes(info.slave_id)) {
|
||
return true;
|
||
}
|
||
if (info.instance_id && instance_ids.includes(info.instance_id)) {
|
||
return true;
|
||
}
|
||
return false;
|
||
};
|
||
}
|
||
|
||
updateLogSubscriptions() {
|
||
let { all, master, slave_ids, instance_ids } = this.logSubscriptions;
|
||
if (all || master || slave_ids.length || instance_ids.length) {
|
||
if (!this.logTransport) {
|
||
this.logTransport = new libLoggingUtils.LinkTransport({ link: this });
|
||
clusterLogger.add(this.logTransport);
|
||
}
|
||
this.logTransport.filter = this.constructor.logFilter(this.logSubscriptions);
|
||
|
||
} else if (this.logTransport) {
|
||
clusterLogger.remove(this.logTransport);
|
||
this.logTransport = null;
|
||
}
|
||
}
|
||
|
||
async queryLogRequestHandler(message) {
|
||
let transport = new winston.transports.File({ filename: "cluster.log" });
|
||
let query = util.promisify((options, callback) => transport.query(options, callback));
|
||
|
||
// Available options and defaults inferred from reading the source
|
||
// rows: number = limit || 10
|
||
// limit: number // alias of rows.
|
||
// start: number = 0
|
||
// until: Date = now
|
||
// from: Date = until - 24h
|
||
// order: "asc"|"desc" = "desc"
|
||
// fields: Array<string>
|
||
// level: string
|
||
// This interface is junk:
|
||
// - The level option filters by exact match
|
||
// - No way to add your own filter
|
||
// - No way to stream results
|
||
// - The log file is read starting from the beginning
|
||
let setDuration = lastQueryLogTime.startTimer();
|
||
let log = await query({
|
||
order: "asc",
|
||
limit: Infinity,
|
||
from: new Date(0),
|
||
});
|
||
|
||
log = log.filter(this.constructor.logFilter(message.data));
|
||
setDuration();
|
||
return { log };
|
||
}
|
||
|
||
async listPermissionsRequestHandler(message) {
|
||
let list = [];
|
||
for (let permission of libUsers.permissions.values()) {
|
||
list.push({
|
||
name: permission.name,
|
||
title: permission.title,
|
||
description: permission.description,
|
||
});
|
||
}
|
||
return { list };
|
||
}
|
||
|
||
async listRolesRequestHandler(message) {
|
||
let list = [];
|
||
for (let role of db.roles.values()) {
|
||
list.push({
|
||
id: role.id,
|
||
name: role.name,
|
||
description: role.description,
|
||
permissions: [...role.permissions],
|
||
});
|
||
}
|
||
return { list };
|
||
}
|
||
|
||
async createRoleRequestHandler(message) {
|
||
let lastId = Math.max.apply(null, [...db.roles.keys()]);
|
||
|
||
// Start at 5 to leave space for future default roles
|
||
let id = Math.max(5, lastId+1);
|
||
db.roles.set(id, new libUsers.Role({ id, ...message.data }));
|
||
return { id };
|
||
}
|
||
|
||
async updateRoleRequestHandler(message) {
|
||
let { id, name, description, permissions } = message.data;
|
||
let role = db.roles.get(id);
|
||
if (!role) {
|
||
throw new libErrors.RequestError(`Role with ID ${id} does not exist`);
|
||
}
|
||
|
||
role.name = name;
|
||
role.description = description;
|
||
role.permissions = new Set(permissions);
|
||
}
|
||
|
||
async grantDefaultRolePermissionsRequestHandler(message) {
|
||
let role = db.roles.get(message.data.id);
|
||
if (!role) {
|
||
throw new libErrors.RequestError(`Role with ID ${message.data.id} does not exist`);
|
||
}
|
||
|
||
role.grantDefaultPermissions();
|
||
}
|
||
|
||
async deleteRoleRequestHandler(message) {
|
||
let id = message.data.id;
|
||
let role = db.roles.get(id);
|
||
if (!role) {
|
||
throw new libErrors.RequestError(`Role with ID ${id} does not exist`);
|
||
}
|
||
|
||
db.roles.delete(id);
|
||
for (let user of db.users.values()) {
|
||
user.roles.delete(role);
|
||
}
|
||
}
|
||
|
||
async listUsersRequestHandler(message) {
|
||
let list = [];
|
||
for (let user of db.users.values()) {
|
||
list.push({
|
||
name: user.name,
|
||
roles: [...user.roles].map(role => role.id),
|
||
is_admin: user.isAdmin,
|
||
is_banned: user.isBanned,
|
||
is_whitelisted: user.isWhitelisted,
|
||
instances: [...user.instances],
|
||
});
|
||
}
|
||
return { list };
|
||
}
|
||
|
||
async createUserRequestHandler(message) {
|
||
createUser(message.data.name);
|
||
}
|
||
|
||
async updateUserRolesRequestHandler(message) {
|
||
let user = db.users.get(message.data.name);
|
||
if (!user) {
|
||
throw new libErrors.RequestError(`User '${message.data.name}' does not exist`);
|
||
}
|
||
|
||
let resolvedRoles = new Set();
|
||
for (let roleId of message.data.roles) {
|
||
let role = db.roles.get(roleId);
|
||
if (!role) {
|
||
throw new libErrors.RequestError(`Role with ID ${roleId} does not exist`);
|
||
}
|
||
|
||
resolvedRoles.add(role);
|
||
}
|
||
|
||
user.roles = resolvedRoles;
|
||
}
|
||
|
||
async setUserAdminRequestHandler(message) {
|
||
let { name, create, admin } = message.data;
|
||
let user = db.users.get(name);
|
||
if (!user) {
|
||
if (create) {
|
||
this.user.checkPermission("core.user.create");
|
||
user = createUser(name);
|
||
} else {
|
||
throw new libErrors.RequestError(`User '${name}' does not exist`);
|
||
}
|
||
}
|
||
|
||
user.isAdmin = admin;
|
||
this.broadcastEventToSlaves({ data: { name, admin }}, libLink.messages.adminlistUpdate);
|
||
}
|
||
|
||
async setUserBannedRequestHandler(message) {
|
||
let { name, create, banned, reason } = message.data;
|
||
let user = db.users.get(name);
|
||
if (!user) {
|
||
if (create) {
|
||
this.user.checkPermission("core.user.create");
|
||
user = createUser(name);
|
||
} else {
|
||
throw new libErrors.RequestError(`User '${name}' does not exist`);
|
||
}
|
||
}
|
||
|
||
user.isBanned = banned;
|
||
user.banReason = reason;
|
||
this.broadcastEventToSlaves({ data: { name, banned, reason }}, libLink.messages.banlistUpdate);
|
||
}
|
||
|
||
async setUserWhitelistedRequestHandler(message) {
|
||
let { name, create, whitelisted } = message.data;
|
||
let user = db.users.get(name);
|
||
if (!user) {
|
||
if (create) {
|
||
this.user.checkPermission("core.user.create");
|
||
user = createUser(name);
|
||
} else {
|
||
throw new libErrors.RequestError(`User '${name}' does not exist`);
|
||
}
|
||
}
|
||
|
||
user.isWhitelisted = whitelisted;
|
||
this.broadcastEventToSlaves({ data: { name, whitelisted }}, libLink.messages.whitelistUpdate);
|
||
}
|
||
|
||
async deleteUserRequestHandler(message) {
|
||
let user = db.users.get(message.data.name);
|
||
if (!user) {
|
||
throw new libErrors.RequestError(`User '${message.data.name}' does not exist`);
|
||
}
|
||
|
||
if (user.is_admin) {
|
||
this.broadcastEventToSlaves({ data: { name, admin: false }}, libLink.messages.adminlistUpdate);
|
||
}
|
||
if (user.is_whitelisted) {
|
||
this.broadcastEventToSlaves({ data: { name, whitelisted: false }}, libLink.messages.whitelistUpdate);
|
||
}
|
||
if (user.is_banned) {
|
||
this.broadcastEventToSlaves({ data: { name, banned: false, reason: "" }}, libLink.messages.banlistUpdate);
|
||
}
|
||
db.users.delete(message.data.name);
|
||
}
|
||
|
||
async debugDumpWsRequestHandler(message) {
|
||
this.ws_dumper = data => {
|
||
if (this.connector.connected) {
|
||
libLink.messages.debugWsMessage.send(this, data);
|
||
}
|
||
};
|
||
this.connector._socket.clusterio_ignore_dump = true;
|
||
debugEvents.on("message", this.ws_dumper);
|
||
}
|
||
}
|
||
|
||
let slaveConnections = new Map();
|
||
/**
|
||
* Represents the connection to a slave
|
||
*
|
||
* @extends module:master~BaseConnection
|
||
*/
|
||
class SlaveConnection extends BaseConnection {
|
||
constructor(registerData, connector) {
|
||
super("slave", connector);
|
||
|
||
this._agent = registerData.agent;
|
||
this._id = registerData.id;
|
||
this._name = registerData.name;
|
||
this._version = registerData.version;
|
||
this.plugins = new Map(Object.entries(registerData.plugins));
|
||
|
||
db.slaves.set(this._id, {
|
||
agent: this._agent,
|
||
id: this._id,
|
||
name: this._name,
|
||
version: this._version,
|
||
plugins: registerData.plugins,
|
||
});
|
||
|
||
this.connector.on("close", () => {
|
||
if (slaveConnections.get(this._id) === this) {
|
||
slaveConnections.delete(this._id);
|
||
}
|
||
});
|
||
|
||
for (let event of ["connect", "drop", "close"]) {
|
||
// eslint-disable-next-line no-loop-func
|
||
this.connector.on(event, () => {
|
||
for (let masterPlugin of masterPlugins.values()) {
|
||
masterPlugin.onSlaveConnectionEvent(this, event);
|
||
}
|
||
});
|
||
}
|
||
}
|
||
|
||
async instanceStatusChangedEventHandler(message, event) {
|
||
let instance = db.instances.get(message.data.instance_id);
|
||
|
||
// It's possible to get updates from an instance that does not exist
|
||
// or is not assigned to the slave it originated from if it was
|
||
// reassigned or deleted while the connection to the slave it was
|
||
// originally on was down at the time.
|
||
if (!instance || instance.config.get("instance.assigned_slave") !== this._id) {
|
||
logger.warn(`Got bogus update for instance id ${message.data.instance_id}`);
|
||
return;
|
||
}
|
||
|
||
let prev = instance.status;
|
||
instance.status = message.data.status;
|
||
logger.verbose(`Instance ${instance.config.get("instance.name")} State: ${instance.status}`);
|
||
await libPlugin.invokeHook(masterPlugins, "onInstanceStatusChanged", instance, prev);
|
||
}
|
||
|
||
async updateInstancesRequestHandler(message) {
|
||
// Push updated instance configs
|
||
for (let instance of db.instances.values()) {
|
||
if (instance.config.get("instance.assigned_slave") === this._id) {
|
||
await libLink.messages.assignInstance.send(this, {
|
||
instance_id: instance.config.get("instance.id"),
|
||
serialized_config: instance.config.serialize(),
|
||
});
|
||
}
|
||
}
|
||
|
||
// Assign instances the slave has but master does not
|
||
for (let instance of message.data.instances) {
|
||
let instanceConfig = new libConfig.InstanceConfig();
|
||
await instanceConfig.load(instance.serialized_config);
|
||
|
||
let masterInstance = db.instances.get(instanceConfig.get("instance.id"));
|
||
if (masterInstance) {
|
||
// Check if this instance is assigned somewhere else.
|
||
if (masterInstance.config.get("instance.assigned_slave") !== this._id) {
|
||
await libLink.messages.unassignInstance.send(this, {
|
||
instance_id: masterInstance.config.get("instance.id"),
|
||
});
|
||
continue;
|
||
}
|
||
|
||
// Already have this instance, update state instead
|
||
if (masterInstance.status !== instance.status) {
|
||
let prev = masterInstance.status;
|
||
masterInstance.status = instance.status;
|
||
logger.verbose(`Instance ${instanceConfig.get("instance.name")} State: ${instance.status}`);
|
||
await libPlugin.invokeHook(masterPlugins, "onInstanceStatusChanged", instance, prev);
|
||
}
|
||
continue;
|
||
}
|
||
|
||
instanceConfig.set("instance.assigned_slave", this._id);
|
||
db.instances.set(instanceConfig.get("instance.id"), {
|
||
config: instanceConfig,
|
||
status: instance.status,
|
||
});
|
||
await libLink.messages.assignInstance.send(this, {
|
||
instance_id: instanceConfig.get("instance.id"),
|
||
serialized_config: instanceConfig.serialize(),
|
||
});
|
||
}
|
||
|
||
// Push lists to make sure they are in sync.
|
||
let adminlist = [];
|
||
let banlist = [];
|
||
let whitelist = [];
|
||
|
||
for (let user of db.users.values()) {
|
||
if (user.isAdmin) {
|
||
adminlist.push(user.name);
|
||
}
|
||
if (user.isBanned) {
|
||
banlist.push([user.name, user.banReason]);
|
||
}
|
||
if (user.isWhitelisted) {
|
||
whitelist.push(user.name);
|
||
}
|
||
}
|
||
|
||
libLink.messages.syncUserLists.send(this, { adminlist, banlist, whitelist });
|
||
}
|
||
|
||
async logMessageEventHandler(message) {
|
||
clusterLogger.log({
|
||
...message.data.info,
|
||
slave_id: this._id,
|
||
slave_name: this._name,
|
||
});
|
||
}
|
||
|
||
async playerEventEventHandler(message) {
|
||
let { instance_id, name, type } = message.data;
|
||
let user = db.users.get(name);
|
||
if (!user) {
|
||
user = createUser(name);
|
||
}
|
||
|
||
if (type === "join") {
|
||
user.notifyJoin(instance_id);
|
||
} else if (type === "leave") {
|
||
user.notifyLeave(instance_id);
|
||
}
|
||
|
||
let instance = db.instances.get(instance_id);
|
||
await libPlugin.invokeHook(masterPlugins, "onPlayerEvent", instance, message.data);
|
||
}
|
||
}
|
||
|
||
const wss = new WebSocket.Server({
|
||
noServer: true,
|
||
path: "/api/socket",
|
||
});
|
||
|
||
/**
|
||
* Returns true if value is a signed 32-bit integer
|
||
*
|
||
* @param {number} value - value to test.
|
||
* @returns {Boolean}
|
||
* true if value is an integer between -2<sup>31</sup> and
|
||
* 2<sup>31</sup>-1.
|
||
*/
|
||
function isInteger(value) {
|
||
return (value | 0) === value;
|
||
}
|
||
|
||
|
||
/**
|
||
* Connector for master server connections
|
||
*
|
||
* @extends module:lib/link.WebSocketBaseConnector
|
||
*/
|
||
class WebSocketServerConnector extends libLink.WebSocketBaseConnector {
|
||
constructor(socket, sessionId) {
|
||
super();
|
||
|
||
this._socket = socket;
|
||
this._sessionId = sessionId;
|
||
|
||
// The following states are used in the server connector
|
||
// handshake: Waiting for client to (re)connect.
|
||
// connected: Connection is online
|
||
// closing: Connection is in the process of being closed.
|
||
// closed: Connection has been closed
|
||
this._state = "handshake";
|
||
this._connected = false;
|
||
this._timeout = 15 * 60;
|
||
}
|
||
|
||
_check(expectedStates) {
|
||
if (!expectedStates.includes(this._state)) {
|
||
throw new Error(
|
||
`Expected state ${expectedStates} but state is ${this._state}`
|
||
);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Send ready over the socket
|
||
*
|
||
* Sends the ready message over the socket to initiate the session.
|
||
*
|
||
* @param {string} sessionToken -
|
||
* the session token to send to the client.
|
||
*/
|
||
ready(sessionToken) {
|
||
this._heartbeatInterval = masterConfig.get("master.heartbeat_interval");
|
||
this._socket.send(JSON.stringify({
|
||
seq: null,
|
||
type: "ready",
|
||
data: {
|
||
session_token: sessionToken,
|
||
heartbeat_interval: this._heartbeatInterval,
|
||
},
|
||
}));
|
||
|
||
this._state = "connected";
|
||
this._connected = true;
|
||
this._attachSocketHandlers();
|
||
this.emit("connect");
|
||
}
|
||
|
||
/**
|
||
* Continue connection with the given socket
|
||
*
|
||
* Terminates the current socket and contiunes the session over the
|
||
* socket given from the message sequence given.
|
||
*
|
||
* @param {module:net.Socket} socket - New socket to continue on.
|
||
* @param {number} lastSeq - The last message the client received.
|
||
*/
|
||
continue(socket, lastSeq) {
|
||
this._socket.terminate();
|
||
this._socket = socket;
|
||
|
||
if (this._timeoutId) {
|
||
clearTimeout(this._timeoutId);
|
||
this._timeoutId = null;
|
||
}
|
||
|
||
this._heartbeatInterval = masterConfig.get("master.heartbeat_interval");
|
||
this._socket.send(JSON.stringify({
|
||
seq: null,
|
||
type: "continue",
|
||
data: {
|
||
last_seq: this._lastReceivedSeq,
|
||
heartbeat_interval: this._heartbeatInterval,
|
||
},
|
||
}));
|
||
|
||
this._state = "connected";
|
||
this._connected = true;
|
||
this._attachSocketHandlers();
|
||
this._dropSendBufferSeq(lastSeq);
|
||
for (let message of this._sendBuffer) {
|
||
this._socket.send(JSON.stringify(message));
|
||
}
|
||
this.emit("connect");
|
||
}
|
||
|
||
setTimeout(timeout) {
|
||
if (this._timeoutId) {
|
||
clearTimeout(this._timeoutId);
|
||
}
|
||
|
||
this._timeoutId = setTimeout(() => { this._timedOut(); }, timeout * 1000);
|
||
this._timeout = timeout;
|
||
}
|
||
|
||
_timedOut() {
|
||
logger.verbose("SOCKET | Connection timed out");
|
||
this._timeoutId = null;
|
||
this._lastReceivedSeq = null;
|
||
this._sendBuffer.length = 0;
|
||
this._state = "closed";
|
||
activeConnectors.delete(this._sessionId);
|
||
this.emit("close");
|
||
this.emit("invalidate");
|
||
}
|
||
|
||
_attachSocketHandlers() {
|
||
this.startHeartbeat();
|
||
|
||
this._socket.on("close", (code, reason) => {
|
||
logger.verbose(`SOCKET | Close (code: ${code}, reason: ${reason})`);
|
||
if (this._state === "closing") {
|
||
this._lastReceivedSeq = null;
|
||
this._sendBuffer.length = 0;
|
||
this._state = "closed";
|
||
activeConnectors.delete(this._sessionId);
|
||
|
||
if (this._connected) {
|
||
this._connected = false;
|
||
this.emit("close");
|
||
}
|
||
|
||
if (this._timeoutId) {
|
||
clearTimeout(this._timeoutId);
|
||
this._timeoutId = null;
|
||
}
|
||
|
||
} else {
|
||
this._state = "handshake";
|
||
this.emit("drop");
|
||
this._timeoutId = setTimeout(() => { this._timedOut(); }, this._timeout * 1000);
|
||
}
|
||
|
||
this.stopHeartbeat();
|
||
});
|
||
|
||
this._socket.on("error", err => {
|
||
// It's assumed that close is always called by ws
|
||
logger.verbose("SOCKET | Error:", err);
|
||
});
|
||
|
||
this._socket.on("open", () => {
|
||
logger.verbose("SOCKET | Open");
|
||
});
|
||
this._socket.on("ping", data => {
|
||
logger.verbose(`SOCKET | Ping (data: ${data}`);
|
||
});
|
||
this._socket.on("pong", data => {
|
||
logger.verbose(`SOCKET | Pong (data: ${data}`);
|
||
});
|
||
|
||
// Handle messages
|
||
this._socket.on("message", data => {
|
||
let message = JSON.parse(data);
|
||
if (["connected", "closing"].includes(this._state)) {
|
||
if (message.seq !== null) {
|
||
this._lastReceivedSeq = message.seq;
|
||
}
|
||
|
||
if (message.type === "heartbeat") {
|
||
this._processHeartbeat(message);
|
||
|
||
} else {
|
||
this.emit("message", message);
|
||
}
|
||
|
||
} else {
|
||
throw new Error(`Received message in unexpected state ${this._state}`);
|
||
}
|
||
});
|
||
}
|
||
|
||
/**
|
||
* Close the connection with the given reason.
|
||
*
|
||
* Sends a close frame and disconnects the connector.
|
||
*
|
||
* @param {number} code - WebSocket close code.
|
||
* @param {string} reason - WebSocket close reason.
|
||
*/
|
||
async close(code, reason) {
|
||
if (this._state === "closed") {
|
||
return;
|
||
}
|
||
|
||
this.stopHeartbeat();
|
||
this._state = "closing";
|
||
this._socket.close(code, reason);
|
||
await events.once(this, "close");
|
||
}
|
||
}
|
||
|
||
let pendingSockets = new Set();
|
||
let activeConnectors = new Map();
|
||
|
||
wss.on("connection", function (socket, req) {
|
||
logger.verbose(`SOCKET | new connection from ${req.socket.remoteAddress}`);
|
||
|
||
// Track statistics
|
||
wsConnectionsCounter.inc();
|
||
socket.on("message", (message) => {
|
||
wsMessageCounter.labels("in").inc();
|
||
if (!socket.clusterio_ignore_dump) {
|
||
debugEvents.emit("message", { direction: "in", content: message });
|
||
}
|
||
});
|
||
let originalSend = socket.send;
|
||
socket.send = (...args) => {
|
||
wsMessageCounter.labels("out").inc();
|
||
if (typeof args[0] === "string" && !socket.clusterio_ignore_dump) {
|
||
debugEvents.emit("message", { direction: "out", content: args[0] });
|
||
}
|
||
return originalSend.call(socket, ...args);
|
||
};
|
||
|
||
// Start connection handshake.
|
||
socket.send(JSON.stringify({ seq: null, type: "hello", data: {
|
||
version,
|
||
plugins: loadedPlugins,
|
||
}}));
|
||
|
||
function attachHandler() {
|
||
pendingSockets.add(socket);
|
||
|
||
let timeoutId = setTimeout(() => {
|
||
logger.verbose(`SOCKET | closing ${req.socket.remoteAddress} after timing out on handshake`);
|
||
wsRejectedConnectionsCounter.inc();
|
||
socket.close(1008, "Handshake timeout");
|
||
pendingSockets.delete(socket);
|
||
}, 30*1000);
|
||
|
||
socket.once("message", (message) => {
|
||
clearTimeout(timeoutId);
|
||
pendingSockets.delete(socket);
|
||
handleHandshake(
|
||
message, socket, req, attachHandler
|
||
).catch(err => {
|
||
logger.error(`
|
||
+----------------------------------------------------------------+
|
||
| Unexpected error occured in WebSocket handshake, please report |
|
||
| it to https://github.com/clusterio/factorioClusterio/issues |
|
||
+----------------------------------------------------------------+
|
||
${err.stack}`
|
||
);
|
||
wsRejectedConnectionsCounter.inc();
|
||
socket.close(1011, "Unexpected error");
|
||
});
|
||
});
|
||
}
|
||
|
||
attachHandler();
|
||
});
|
||
|
||
let nextSessionId = 1;
|
||
|
||
// Unique string for the session token audience
|
||
let masterSession = `session-${Date.now()}`;
|
||
|
||
// Handle socket handshake
|
||
async function handleHandshake(message, socket, req, attachHandler) {
|
||
try {
|
||
message = JSON.parse(message);
|
||
} catch (err) {
|
||
logger.verbose(`SOCKET | closing ${req.socket.remoteAddress} after receiving invalid JSON`);
|
||
wsRejectedConnectionsCounter.inc();
|
||
socket.close(1002, "Invalid JSON");
|
||
return;
|
||
}
|
||
|
||
if (!libSchema.clientHandshake(message)) {
|
||
logger.verbose(`SOCKET | closing ${req.socket.remoteAddress} after receiving invalid handshake`);
|
||
wsRejectedConnectionsCounter.inc();
|
||
socket.close(1002, "Bad handshake");
|
||
return;
|
||
}
|
||
|
||
let { seq, type, data } = message;
|
||
|
||
if (type === "resume") {
|
||
let connector;
|
||
try {
|
||
let payload = jwt.verify(
|
||
data.session_token,
|
||
masterConfig.get("master.auth_secret"),
|
||
{ audience: masterSession }
|
||
);
|
||
|
||
connector = activeConnectors.get(payload.sid);
|
||
if (!connector) {
|
||
throw new Error();
|
||
}
|
||
|
||
} catch(err) {
|
||
socket.send(JSON.stringify({ seq: null, type: "invalidate", data: {}}));
|
||
attachHandler();
|
||
return;
|
||
}
|
||
|
||
connector.continue(socket, data.last_seq);
|
||
return;
|
||
}
|
||
|
||
if (stopAcceptingNewSessions) {
|
||
logger.verbose(`SOCKET | closing ${req.socket.remoteAddress}, server is shutting down`);
|
||
wsRejectedConnectionsCounter.inc();
|
||
socket.close(1001, "Shutting down");
|
||
return;
|
||
}
|
||
|
||
// Validate token
|
||
let user;
|
||
try {
|
||
if (type === "register_slave") {
|
||
let tokenPayload = jwt.verify(
|
||
data.token,
|
||
masterConfig.get("master.auth_secret"),
|
||
{ audience: "slave" }
|
||
);
|
||
|
||
if (tokenPayload.slave !== data.id) {
|
||
throw new Error("missmatched slave id");
|
||
}
|
||
|
||
} else if (type === "register_control") {
|
||
let tokenPayload = jwt.verify(
|
||
data.token,
|
||
masterConfig.get("master.auth_secret"),
|
||
{ audience: "user" }
|
||
);
|
||
|
||
user = db.users.get(tokenPayload.user);
|
||
if (!user) {
|
||
throw new Error("invalid user");
|
||
}
|
||
if (tokenPayload.iat < user.tokenValidAfter) {
|
||
throw new Error("invalid token");
|
||
}
|
||
user.checkPermission("core.control.connect");
|
||
}
|
||
|
||
} catch (err) {
|
||
logger.verbose(`SOCKET | authentication failed for ${req.socket.remoteAddress}`);
|
||
wsRejectedConnectionsCounter.inc();
|
||
socket.close(4003, `Authentication failed: ${err.message}`);
|
||
return;
|
||
}
|
||
|
||
let sessionId = nextSessionId;
|
||
nextSessionId += 1;
|
||
let sessionToken = jwt.sign({ aud: masterSession, sid: sessionId }, masterConfig.get("master.auth_secret"));
|
||
let connector = new WebSocketServerConnector(socket, sessionId);
|
||
activeConnectors.set(sessionId, connector);
|
||
|
||
if (type === "register_slave") {
|
||
let connection = slaveConnections.get(data.id);
|
||
if (connection) {
|
||
logger.verbose(`SOCKET | disconnecting existing connection for slave ${data.id}`);
|
||
connection.connector.setTimeout(15); // Slave connection is likely stalled
|
||
await connection.disconnect(1008, "Registered from another connection");
|
||
}
|
||
|
||
logger.verbose(`SOCKET | registered slave ${data.id} version ${data.version}`);
|
||
slaveConnections.set(data.id, new SlaveConnection(data, connector));
|
||
|
||
} else if (type === "register_control") {
|
||
logger.verbose(`SOCKET | registered control from ${req.socket.remoteAddress}`);
|
||
controlConnections.push(new ControlConnection(data, connector, user));
|
||
}
|
||
|
||
connector.ready(sessionToken);
|
||
}
|
||
|
||
// handle plugins on the master
|
||
async function pluginManagement() {
|
||
let startPluginLoad = Date.now();
|
||
masterPlugins = await loadPlugins();
|
||
logger.info(`All plugins loaded in ${Date.now() - startPluginLoad}ms`);
|
||
}
|
||
|
||
async function loadPlugins() {
|
||
let plugins = new Map();
|
||
for (let pluginInfo of pluginInfos) {
|
||
if (!masterConfig.group(pluginInfo.name).get("enabled")) {
|
||
continue;
|
||
}
|
||
|
||
loadedPlugins[pluginInfo.name] = pluginInfo.version;
|
||
|
||
let pluginLoadStarted = Date.now();
|
||
let MasterPlugin = libPlugin.BaseMasterPlugin;
|
||
try {
|
||
if (pluginInfo.masterEntrypoint) {
|
||
({ MasterPlugin } = require(path.posix.join(pluginInfo.requirePath, pluginInfo.masterEntrypoint)));
|
||
}
|
||
|
||
let masterPlugin = new MasterPlugin(
|
||
pluginInfo, { app, config: masterConfig, db, slaveConnections }, { endpointHitCounter }, logger
|
||
);
|
||
await masterPlugin.init();
|
||
plugins.set(pluginInfo.name, masterPlugin);
|
||
|
||
} catch (err) {
|
||
throw new libErrors.PluginError(pluginInfo.name, err);
|
||
}
|
||
|
||
logger.info(`Loaded plugin ${pluginInfo.name} in ${Date.now() - pluginLoadStarted}ms`);
|
||
}
|
||
return plugins;
|
||
}
|
||
|
||
/**
|
||
* Calls listen on server capturing any errors that occurs
|
||
* binding to the port. Also adds handler for WebSocket
|
||
* upgrade event.
|
||
*
|
||
* @param {module:net.Server} server - Server to start the listening on.
|
||
* @param {*} args - Arguments to the .listen() call on the server.
|
||
* @returns {Promise} promise that resolves the server is listening.
|
||
*/
|
||
function listen(server, ...args) {
|
||
return new Promise((resolve, reject) => {
|
||
server.on("upgrade", (req, socket, head) => {
|
||
logger.verbose("handling WebSocket upgrade");
|
||
|
||
// For reasons that defy common sense, the connection event has
|
||
// to be emitted explictly when using noServer.
|
||
wss.handleUpgrade(req, socket, head, (ws) => {
|
||
wss.emit("connection", ws, req);
|
||
});
|
||
});
|
||
|
||
function wrapError(err) {
|
||
reject(new libErrors.StartupError(
|
||
`Server listening failed: ${err.message}`
|
||
));
|
||
}
|
||
|
||
server.once("error", wrapError);
|
||
server.listen(...args, () => {
|
||
server.off("error", wrapError);
|
||
resolve();
|
||
});
|
||
});
|
||
}
|
||
|
||
function _setConfig(config) {
|
||
masterConfig = config;
|
||
}
|
||
|
||
/**
|
||
* Returns the URL needed to connect to the master server.
|
||
*
|
||
* @returns {string} master URL.
|
||
*/
|
||
function getMasterUrl() {
|
||
let url = masterConfig.get("master.external_address");
|
||
if (!url) {
|
||
if (masterConfig.get("master.https_port")) {
|
||
url = `https://localhost:${masterConfig.get("master.https_port")}/`;
|
||
} else {
|
||
url = `http://localhost:${masterConfig.get("master.http_port")}/`;
|
||
}
|
||
}
|
||
return url;
|
||
}
|
||
|
||
async function startServer() {
|
||
// Set the process title, shows up as the title of the CMD window on windows
|
||
// and as the process name in ps/top on linux.
|
||
process.title = "clusterioMaster";
|
||
|
||
// argument parsing
|
||
let args = yargs
|
||
.scriptName("master")
|
||
.usage("$0 <command> [options]")
|
||
.option("log-level", {
|
||
nargs: 1,
|
||
describe: "Log level to print to stdout",
|
||
default: "info",
|
||
choices: ["none"].concat(Object.keys(levels)),
|
||
type: "string",
|
||
})
|
||
.option("config", {
|
||
nargs: 1,
|
||
describe: "master config file to use",
|
||
default: "config-master.json",
|
||
type: "string",
|
||
})
|
||
.option("plugin-list", {
|
||
nargs: 1,
|
||
describe: "File containing list of plugins available with their install path",
|
||
default: "plugin-list.json",
|
||
type: "string",
|
||
})
|
||
.command("plugin", "Manage available plugins", libSharedCommands.pluginCommand)
|
||
.command("config", "Manage Master config", libSharedCommands.configCommand)
|
||
.command("bootstrap", "Bootstrap access to cluster", yargs => {
|
||
yargs
|
||
.command("create-admin <name>", "Create a cluster admin")
|
||
.command("generate-user-token <name>", "Generate authentication token for the given user")
|
||
.command("create-ctl-config <name>", "Create clusterioctl config for the given user", yargs => {
|
||
yargs.option("output", {
|
||
describe: "Path to output config (- for stdout)", type: "string",
|
||
nargs: 1, default: "config-control.json",
|
||
});
|
||
})
|
||
.demandCommand(1, "You need to specify a command to run");
|
||
})
|
||
.command("run", "Run master server", yargs => {
|
||
yargs.option("dev", { hidden: true, type: "boolean", nargs: 0 });
|
||
})
|
||
.demandCommand(1, "You need to specify a command to run")
|
||
.strict()
|
||
.argv
|
||
;
|
||
|
||
// Combined log stream of the whole cluster.
|
||
clusterLogger = winston.createLogger({
|
||
format: winston.format.json(),
|
||
level: "verbose",
|
||
levels,
|
||
});
|
||
clusterLogger.add(new winston.transports.File({
|
||
filename: "cluster.log",
|
||
}));
|
||
|
||
// Log stream for the master server.
|
||
logger.add(new winston.transports.File({
|
||
format: winston.format.json(),
|
||
filename: "master.log",
|
||
}));
|
||
logger.add(new winston.transports.Stream({
|
||
stream: clusterLogger,
|
||
}));
|
||
if (args.logLevel !== "none") {
|
||
logger.add(new ConsoleTransport({
|
||
level: args.logLevel,
|
||
format: new libLoggingUtils.TerminalFormat(),
|
||
}));
|
||
}
|
||
|
||
// add better stack traces on promise rejection
|
||
process.on("unhandledRejection", err => logger.error(`Unhandled rejection:\n${err.stack}`));
|
||
|
||
logger.info(`Loading available plugins from ${args.pluginList}`);
|
||
let pluginList = new Map();
|
||
try {
|
||
pluginList = new Map(JSON.parse(await fs.readFile(args.pluginList)));
|
||
} catch (err) {
|
||
if (err.code !== "ENOENT") {
|
||
throw err;
|
||
}
|
||
}
|
||
|
||
// If the command is plugin management we don't try to load plugins
|
||
let command = args._[0];
|
||
if (command === "plugin") {
|
||
await libSharedCommands.handlePluginCommand(args, pluginList, args.pluginList);
|
||
return;
|
||
}
|
||
|
||
logger.info("Loading Plugin info");
|
||
pluginInfos = await libPluginLoader.loadPluginInfos(pluginList);
|
||
libConfig.registerPluginConfigGroups(pluginInfos);
|
||
libConfig.finalizeConfigs();
|
||
|
||
masterConfigPath = args.config;
|
||
logger.info(`Loading config from ${masterConfigPath}`);
|
||
masterConfig = new libConfig.MasterConfig();
|
||
try {
|
||
await masterConfig.load(JSON.parse(await fs.readFile(masterConfigPath)));
|
||
|
||
} catch (err) {
|
||
if (err.code === "ENOENT") {
|
||
logger.info("Config not found, initializing new config");
|
||
await masterConfig.init();
|
||
|
||
} else {
|
||
throw err;
|
||
}
|
||
}
|
||
|
||
if (!masterConfig.get("master.auth_secret")) {
|
||
logger.info("Generating new master authentication secret");
|
||
let asyncRandomBytes = util.promisify(crypto.randomBytes);
|
||
let bytes = await asyncRandomBytes(256);
|
||
masterConfig.set("master.auth_secret", bytes.toString("base64"));
|
||
await fs.outputFile(masterConfigPath, JSON.stringify(masterConfig.serialize(), null, 4));
|
||
}
|
||
|
||
if (command === "config") {
|
||
await libSharedCommands.handleConfigCommand(args, masterConfig, masterConfigPath);
|
||
return;
|
||
|
||
} else if (command === "bootstrap") {
|
||
let subCommand = args._[1];
|
||
await loadUsers(masterConfig.get("master.database_directory"), "users.json");
|
||
if (subCommand === "create-admin") {
|
||
if (!args.name) {
|
||
logger.error("name cannot be blank");
|
||
process.exitCode = 1;
|
||
return;
|
||
}
|
||
|
||
let admin = db.users.get(args.name);
|
||
if (!admin) {
|
||
admin = createUser(args.name);
|
||
}
|
||
|
||
let adminRole = libUsers.ensureDefaultAdminRole(db.roles);
|
||
admin.roles.add(adminRole);
|
||
admin.isAdmin = true;
|
||
await saveUsers(masterConfig.get("master.database_directory"), "users.json");
|
||
|
||
} else if (subCommand === "generate-user-token") {
|
||
let user = db.users.get(args.name);
|
||
if (!user) {
|
||
logger.error(`No user named '${args.name}'`);
|
||
process.exitCode = 1;
|
||
return;
|
||
}
|
||
// eslint-disable-next-line no-console
|
||
console.log(user.createToken(masterConfig.get("master.auth_secret")));
|
||
|
||
} else if (subCommand === "create-ctl-config") {
|
||
let admin = db.users.get(args.name);
|
||
if (!admin) {
|
||
logger.error(`No user named '${args.name}'`);
|
||
process.exitCode = 1;
|
||
return;
|
||
}
|
||
let controlConfig = new libConfig.ControlConfig();
|
||
await controlConfig.init();
|
||
|
||
controlConfig.set("control.master_url", getMasterUrl());
|
||
controlConfig.set("control.master_token", admin.createToken(masterConfig.get("master.auth_secret")));
|
||
|
||
let content = JSON.stringify(controlConfig.serialize(), null, 4);
|
||
if (args.output === "-") {
|
||
// eslint-disable-next-line no-console
|
||
console.log(content);
|
||
} else {
|
||
logger.info(`Writing ${args.output}`);
|
||
await fs.outputFile(args.output, content);
|
||
}
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
// If we get here the command was run
|
||
|
||
// Start webpack development server if enabled
|
||
if (args.dev) {
|
||
logger.warn("Webpack development mode enabled");
|
||
const webpack = require("webpack");
|
||
const webpackDevMiddleware = require("webpack-dev-middleware");
|
||
const webpackConfig = require("./webpack.config");
|
||
|
||
const compiler = webpack(webpackConfig({}));
|
||
devMiddleware = webpackDevMiddleware(compiler, {});
|
||
app.use(devMiddleware);
|
||
}
|
||
|
||
let secondSigint = false;
|
||
process.on("SIGINT", () => {
|
||
if (secondSigint) {
|
||
logger.fatal("Caught second interrupt, terminating immediately");
|
||
process.exit(1);
|
||
}
|
||
|
||
secondSigint = true;
|
||
logger.info("Caught interrupt signal, shutting down");
|
||
shutdown();
|
||
});
|
||
|
||
// terminal closed
|
||
process.on("SIGHUP", () => {
|
||
// No graceful cleanup, no warning out (stdout is likely closed.)
|
||
// Don't close the terminal with the clusterio master in it.
|
||
process.exit(1);
|
||
});
|
||
|
||
await fs.ensureDir(masterConfig.get("master.database_directory"));
|
||
|
||
db.slaves = await loadMap(masterConfig.get("master.database_directory"), "slaves.json");
|
||
db.instances = await loadInstances(masterConfig.get("master.database_directory"), "instances.json");
|
||
await loadUsers(masterConfig.get("master.database_directory"), "users.json");
|
||
|
||
// Make sure we're actually going to listen on a port
|
||
let httpPort = masterConfig.get("master.http_port");
|
||
let httpsPort = masterConfig.get("master.https_port");
|
||
if (!httpPort && !httpsPort) {
|
||
logger.fatal("Error: at least one of http_port and https_port must be configured");
|
||
process.exit(1);
|
||
}
|
||
|
||
let tls_cert = masterConfig.get("master.tls_certificate");
|
||
let tls_key = masterConfig.get("master.tls_private_key");
|
||
// Create a self signed certificate if the certificate files doesn't exist
|
||
if (httpsPort && !await fs.exists(tls_cert) && !await fs.exists(tls_key)) {
|
||
await generateSslCert({
|
||
bits: masterConfig.get("master.tls_bits"),
|
||
sslCertPath: tls_cert,
|
||
sslPrivKeyPath: tls_key,
|
||
doLogging: true,
|
||
});
|
||
}
|
||
|
||
// Add routes for the web interface
|
||
for (let route of routes) {
|
||
app.get(route, serveWeb(route));
|
||
}
|
||
for (let pluginInfo of pluginInfos) {
|
||
for (let route of pluginInfo.routes || []) {
|
||
app.get(route, serveWeb(route));
|
||
}
|
||
|
||
let pluginPackagePath = require.resolve(path.posix.join(pluginInfo.requirePath, "package.json"));
|
||
let staticPath = path.join(path.dirname(pluginPackagePath), "static");
|
||
app.use(`/plugin/${pluginInfo.name}`, express.static(staticPath));
|
||
}
|
||
|
||
// Load plugins
|
||
await pluginManagement();
|
||
|
||
// Only start listening for connections after all plugins have loaded
|
||
if (httpPort) {
|
||
httpServer = new (require("http").Server)(app);
|
||
await listen(httpServer, httpPort);
|
||
logger.info(`Listening for HTTP on port ${httpServer.address().port}`);
|
||
}
|
||
|
||
if (httpsPort) {
|
||
let certificate, privateKey;
|
||
try {
|
||
certificate = await fs.readFile(tls_cert);
|
||
privateKey = await fs.readFile(tls_key);
|
||
|
||
} catch (err) {
|
||
throw new libErrors.StartupError(
|
||
`Error loading ssl certificate: ${err.message}`
|
||
);
|
||
}
|
||
|
||
httpsServer = require("https").createServer({
|
||
key: privateKey,
|
||
cert: certificate,
|
||
}, app);
|
||
await listen(httpsServer, httpsPort);
|
||
logger.info(`Listening for HTTPS on port ${httpsServer.address().port}`);
|
||
}
|
||
}
|
||
|
||
module.exports = {
|
||
app,
|
||
|
||
// For testing only
|
||
_db: db,
|
||
_setConfig,
|
||
_WebSocketServerConnector: WebSocketServerConnector,
|
||
_controlConnections: controlConnections,
|
||
_ControlConnection: ControlConnection,
|
||
_slaveConnections: slaveConnections,
|
||
_SlaveConnection: SlaveConnection,
|
||
};
|
||
|
||
if (module === require.main) {
|
||
// eslint-disable-next-line no-console
|
||
console.warn(`
|
||
+==========================================================+
|
||
I WARNING: This is the development branch for the 2.0 I
|
||
I version of clusterio. Expect things to break. I
|
||
+==========================================================+
|
||
`
|
||
);
|
||
startServer().catch(err => {
|
||
if (err instanceof libErrors.StartupError) {
|
||
logger.fatal(`
|
||
+----------------------------------+
|
||
| Unable to to start master server |
|
||
+----------------------------------+
|
||
${err.stack}`
|
||
);
|
||
} else if (err instanceof libErrors.PluginError) {
|
||
logger.fatal(`
|
||
${err.pluginName} plugin threw an unexpected error
|
||
during startup, please report it to the plugin author.
|
||
------------------------------------------------------
|
||
${err.original.stack}`
|
||
);
|
||
} else {
|
||
logger.fatal(`
|
||
+---------------------------------------------------------------+
|
||
| Unexpected error occured while starting master, please report |
|
||
| it to https://github.com/clusterio/factorioClusterio/issues |
|
||
+---------------------------------------------------------------+
|
||
${err.stack}`
|
||
);
|
||
}
|
||
|
||
if (masterConfig) {
|
||
shutdown();
|
||
}
|
||
});
|
||
}
|