mirror of
https://github.com/stronk-dev/OrchestratorTracker.git
synced 2025-07-05 10:55:09 +02:00
Let worker handle tasks in a queue to make sure the main thread can always respond quickly to GET endpoints
This commit is contained in:
parent
24bd005f04
commit
5e8ca89217
@ -1,418 +1,28 @@
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const express = require("express");
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const express = require("express");
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const client = require("prom-client");
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const { Worker } = require("worker_threads");
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const { ethers } = require("ethers");
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const worker = new Worker("./worker.js");
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const storage = require("node-persist");
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const masterRouter = express.Router();
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const {
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const {
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CONF_API_L1_HTTP,
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CONF_API_L1_KEY,
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CONF_PRESHARED_MASTER_KEY,
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CONF_PRESHARED_MASTER_KEY,
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CONF_TIMEOUT_ENS_DOMAIN,
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CONF_KEY_EXPIRY,
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CONF_SCORE_TIMEOUT,
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CONF_SLEEPTIME,
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} = require("../config.js");
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} = require("../config.js");
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/*
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// Worker Message Handler
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worker.on("message", (message) => {
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Init
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if (message.type === "error") {
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console.error("Worker Error:", message.error);
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*/
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}
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const l1provider = new ethers.providers.JsonRpcProvider(
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CONF_API_L1_HTTP + CONF_API_L1_KEY
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);
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const masterRouter = express.Router();
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const register = new client.Registry();
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// Regional stats - prober instance specific
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const promLatestLatency = new client.Gauge({
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name: "orch_latest_latency",
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help: "Latest latency known for a given Orchestrator",
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labelNames: ["region", "orchestrator", "latitude", "longitude"],
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});
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});
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register.registerMetric(promLatestLatency);
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const promLatency = new client.Summary({
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worker.on("error", (error) => {
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name: "orch_latency",
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console.error("Worker encountered an error:", error);
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help: "Summary of latency stats",
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percentiles: [0.01, 0.1, 0.9, 0.99],
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labelNames: ["region"],
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});
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});
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register.registerMetric(promLatency);
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const promAverageLatency = new client.Gauge({
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name: "orch_average_latency",
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help: "Average latency for a given Orchestrator",
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labelNames: ["region", "orchestrator", "latitude", "longitude"],
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});
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register.registerMetric(promAverageLatency);
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// Regional stats - Livepeer test stream specific
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// Collect Stats Endpoint
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const promLatestRTR = new client.Gauge({
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name: "orch_latest_rtr",
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help: "Latest realtime ratio as specified by Livepeer inc's regional performance leaderboards",
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labelNames: ["livepeer_region", "orchestrator", "latitude", "longitude"],
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});
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register.registerMetric(promLatestRTR);
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const promLatestSuccessRate = new client.Gauge({
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name: "orch_latest_success_rate",
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help: "Latest success rate as specified by Livepeer inc's regional performance leaderboards",
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labelNames: ["livepeer_region", "orchestrator", "latitude", "longitude"],
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});
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register.registerMetric(promLatestSuccessRate);
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// Global stats - orchestrator instance specific
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const promLatestPPP = new client.Gauge({
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name: "orch_latest_ppp",
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help: "Latest price per pixel known for a given Orchestrator",
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labelNames: ["instance", "orchestrator", "latitude", "longitude"],
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});
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register.registerMetric(promLatestPPP);
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const promAUptimeScore = new client.Gauge({
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name: "orch_uptime_score",
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help: "Uptime score for a given orchestrator",
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labelNames: ["instance", "orchestrator", "latitude", "longitude"],
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});
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register.registerMetric(promAUptimeScore);
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function sleep(ms) {
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return new Promise((resolve) => {
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setTimeout(resolve, ms);
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});
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}
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/*
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Globals
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*/
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let ensDomainCache = {};
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let orchCache = {};
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let lastStringify = 0; //< We will stringify every 15 seconds so the the JSON endpoint can respond quickly
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let jsonString = "";
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let lastLeaderboardCheck = 0;
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let isSynced = false;
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/*
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ENS
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*/
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const getEnsDomain = async function (addr) {
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try {
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const now = new Date().getTime();
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const cached = ensDomainCache[addr];
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if (cached && now - cached.timestamp < CONF_TIMEOUT_ENS_DOMAIN) {
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return cached.domain ? cached.domain : cached.address;
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}
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// Refresh cause not cached or stale
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const ensDomain = await l1provider.lookupAddress(addr);
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let ensObj;
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if (!ensDomain) {
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let domain = null;
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if (cached) {
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domain = cached.domain;
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}
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ensObj = {
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domain: domain,
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address: addr,
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timestamp: now,
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};
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} else {
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ensObj = {
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domain: ensDomain,
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address: addr,
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timestamp: now,
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};
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}
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console.log(
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"Updated ENS domain " +
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ensObj.domain +
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" owned by " +
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ensObj.address +
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" @ " +
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ensObj.timestamp
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);
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ensDomainCache[addr] = ensObj;
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await storage.setItem("ensDomainCache", ensDomainCache);
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if (ensObj.domain) {
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// Update domain name
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return ensObj.domain;
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} else {
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if (cached.domain) {
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// Reuse last cached domain
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return cached.domain;
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} else {
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// Return ETH addr
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return ensObj.address;
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}
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}
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} catch (err) {
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console.log(err);
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console.log("Error looking up ENS info, retrying...");
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await sleep(200);
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return null;
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}
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};
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/*
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Update cache & prometheus
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*/
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const updatePrometheus = async function (tag, instance, orchInfo) {
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const thisInstance = orchInfo.instances[instance];
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const regionInfo = orchInfo.regionalStats[tag];
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if (regionInfo.latestDiscoveryTime) {
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promLatestLatency.set(
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{
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region: tag,
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orchestrator: orchInfo.name,
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latitude: thisInstance.latitude,
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longitude: thisInstance.longitude,
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},
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regionInfo.latestDiscoveryTime
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);
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}
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if (regionInfo.avgDiscoveryTime) {
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promAverageLatency.set(
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{
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region: tag,
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orchestrator: orchInfo.name,
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latitude: thisInstance.latitude,
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longitude: thisInstance.longitude,
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},
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regionInfo.avgDiscoveryTime
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);
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}
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promAUptimeScore.set(
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{
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instance: instance,
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orchestrator: orchInfo.name,
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latitude: thisInstance.latitude,
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longitude: thisInstance.longitude,
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},
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regionInfo.uptimePercentage
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);
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promLatestPPP.set(
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{
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instance: instance,
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orchestrator: orchInfo.name,
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latitude: thisInstance.latitude,
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longitude: thisInstance.longitude,
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},
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thisInstance.price
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);
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promLatency.observe({ region: tag }, regionInfo.latestDiscoveryTime);
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};
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const onOrchUpdate = async function (id, obj, tag, region, livepeer_regions) {
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const now = new Date().getTime();
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// Overwrite name with ENS domain if set
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let ensDomain = null;
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while (!ensDomain) {
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ensDomain = await getEnsDomain(id.toLowerCase());
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}
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// Retrieve entry to update or init it
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let newObj = orchCache[id.toLowerCase()];
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if (!newObj) {
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newObj = {
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name: ensDomain,
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id: id.toLowerCase(),
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regionalStats: {},
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instances: {},
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leaderboardResults: { lastTime: now },
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};
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} else {
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newObj.name = ensDomain;
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newObj.id = id.toLowerCase()
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}
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// Find region entry or init it
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let newRegion = newObj.regionalStats[tag];
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if (!newRegion) {
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newRegion = {
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measurements: [],
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avgDiscoveryTime: -1,
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uptimePercentage: 1.0,
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latestDiscoveryTime: -1,
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};
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}
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// Record measurement
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let measurement = {
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latency: obj.discovery.latency,
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timestamp: now,
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duration: 0,
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};
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if (newRegion.measurements.length) {
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measurement.duration =
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now - newRegion.measurements[newRegion.measurements.length - 1].timestamp;
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}
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newRegion.measurements.push(measurement);
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if (newRegion.measurements.length > 60) {
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newRegion.measurements = newRegion.measurements.slice(1);
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}
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// Recalc average && uptime
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let uptime = 0;
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let downtime = 0;
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let pingSum = 0;
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let pingEntries = 0;
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for (const measurement of newRegion.measurements) {
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if (measurement.latency && measurement.latency > 0) {
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if (measurement.duration) {
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uptime += measurement.duration;
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}
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pingSum += measurement.latency;
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pingEntries++;
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} else {
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if (measurement.duration) {
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downtime += measurement.duration;
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}
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}
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}
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if (pingEntries > 0) {
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newRegion.avgDiscoveryTime = pingSum / pingEntries;
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} else {
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newRegion.avgDiscoveryTime = measurement.latency;
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}
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newRegion.latestDiscoveryTime = measurement.latency;
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if (
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downtime ||
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(!newRegion.avgDiscoveryTime && !newRegion.latestDiscoveryTime)
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) {
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if (!uptime) {
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newRegion.uptimePercentage = 0.0;
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} else {
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newRegion.uptimePercentage = uptime / (uptime + downtime);
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}
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}
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// Find instance entry or init it
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let newInstance = newObj.instances[obj.resolv.resolvedTarget];
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if (!newInstance) {
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newInstance = {
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price: -1,
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latitude: -1,
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longitude: -1,
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version: "",
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probedFrom: {},
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regions: {},
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livepeer_regions: {},
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};
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}
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// Remove expired stuff
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Object.keys(newInstance.probedFrom).forEach((key) => {
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if (
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!newInstance.probedFrom[key] ||
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!newInstance.probedFrom[key].lastTime ||
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now - newInstance.probedFrom[key].lastTime > CONF_KEY_EXPIRY
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) {
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console.log(
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"Removing expired key " +
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key +
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" from the probed-from cache for orch " +
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id
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);
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delete newInstance.probedFrom[key];
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}
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});
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Object.keys(newInstance.regions).forEach((key) => {
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if (
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!newInstance.regions[key] ||
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!newInstance.regions[key].lastTime ||
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now - newInstance.regions[key].lastTime > CONF_KEY_EXPIRY
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) {
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console.log(
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"Removing expired key " + key + " from the regions cache for orch " + id
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);
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delete newInstance.regions[key];
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}
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});
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Object.keys(newInstance.livepeer_regions).forEach((key) => {
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if (
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!newInstance.livepeer_regions[key] ||
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!newInstance.livepeer_regions[key].lastTime ||
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now - newInstance.livepeer_regions[key].lastTime > CONF_KEY_EXPIRY
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) {
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console.log(
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"Removing expired key " +
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key +
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" from the livepeer regions cache for orch " +
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id
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);
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delete newInstance.livepeer_regions[key];
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}
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});
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// Set last times for instance info
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newInstance.probedFrom[tag] = {
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lastTime: now,
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};
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newInstance.regions[region] = {
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lastTime: now,
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};
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for (const region of livepeer_regions) {
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newInstance.livepeer_regions[region] = {
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lastTime: now,
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};
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}
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// Set location and price info
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if (obj.discovery.price_info) {
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newInstance.price =
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obj.discovery.price_info.pricePerUnit /
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obj.discovery.price_info.pixelsPerUnit;
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}
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if (obj.discovery.version) {
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newInstance.version = obj.discovery.version;
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}
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if (obj.resolv.geoLookup) {
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newInstance.latitude = obj.resolv.geoLookup.latitude;
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newInstance.longitude = obj.resolv.geoLookup.longitude;
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}
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// Finished updating
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newObj.instances[obj.resolv.resolvedTarget] = newInstance;
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newObj.regionalStats[tag] = newRegion;
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orchCache[id.toLowerCase()] = newObj;
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await storage.setItem("orchCache", orchCache);
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// Update prometheus stats
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updatePrometheus(tag, obj.resolv.resolvedTarget, newObj);
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console.log("Handled results for " + newObj.name + " from prober " + tag);
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};
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const updateCache = async function (
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batchResults,
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tag,
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||||||
region,
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livepeer_regions
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) {
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console.log("Parsing stats from " + tag + " (" + region + ")");
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||||||
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for (const [id, obj] of Object.entries(batchResults)) {
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onOrchUpdate(id, obj, tag, region, livepeer_regions);
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}
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};
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/*
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Public endpoints
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|
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|
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*/
|
|
||||||
|
|
||||||
// Mutate state with new stats
|
|
||||||
masterRouter.post("/collectStats", async (req, res) => {
|
masterRouter.post("/collectStats", async (req, res) => {
|
||||||
if (!isSynced) {
|
if (!req.body) {
|
||||||
res.send("busy");
|
res.status(400).send("Invalid request");
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
try {
|
|
||||||
const { batchResults, tag, key, region, livepeer_regions } = req.body;
|
const { batchResults, tag, key, region, livepeer_regions } = req.body;
|
||||||
if (!batchResults || !tag || !key || !region || !livepeer_regions) {
|
if (!batchResults || !tag || !key || !region || !livepeer_regions) {
|
||||||
console.log("Received malformed data. Aborting stats update...");
|
console.log("Received malformed data. Aborting stats update...");
|
||||||
@ -420,248 +30,41 @@ masterRouter.post("/collectStats", async (req, res) => {
|
|||||||
res.send(false);
|
res.send(false);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
if (CONF_PRESHARED_MASTER_KEY != req.body.key) {
|
if (CONF_PRESHARED_MASTER_KEY != key) {
|
||||||
console.log("Unauthorized");
|
console.log("Unauthorized");
|
||||||
res.send(false);
|
res.send(false);
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
updateCache(batchResults, tag, region, livepeer_regions);
|
worker.postMessage({
|
||||||
res.send(true);
|
type: "collectStats",
|
||||||
} catch (err) {
|
data: { batchResults, tag, key, region, livepeer_regions },
|
||||||
console.log(err, req.body);
|
|
||||||
res.status(400).send(err);
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
// Retrieve prom data
|
|
||||||
masterRouter.get("/prometheus", async (req, res) => {
|
|
||||||
try {
|
|
||||||
res.set("Content-Type", register.contentType);
|
|
||||||
const metrics = await register.metrics();
|
|
||||||
res.end(metrics);
|
|
||||||
} catch (err) {
|
|
||||||
res.status(400).send(err);
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
// Retrieve cache as JSON
|
|
||||||
masterRouter.get("/json", async (req, res) => {
|
|
||||||
try {
|
|
||||||
res.set("Content-Type", "application/json");
|
|
||||||
res.end(jsonString);
|
|
||||||
} catch (err) {
|
|
||||||
res.status(400).send(err);
|
|
||||||
}
|
|
||||||
});
|
|
||||||
|
|
||||||
/*
|
|
||||||
|
|
||||||
Main Loop
|
|
||||||
|
|
||||||
*/
|
|
||||||
|
|
||||||
const updateScore = async function (address) {
|
|
||||||
console.log("Checking for new scores for " + address);
|
|
||||||
const thisInstances = orchCache[address.toLowerCase()].instances;
|
|
||||||
const thisName = orchCache[address.toLowerCase()].name;
|
|
||||||
const lastTime = orchCache[address.toLowerCase()].leaderboardResults.lastTime;
|
|
||||||
|
|
||||||
let url =
|
|
||||||
"https://leaderboard-serverless.vercel.app/api/raw_stats?orchestrator=" +
|
|
||||||
address;
|
|
||||||
|
|
||||||
const json = await fetch(url).then((res) => res.json());
|
|
||||||
let hasEdited = false;
|
|
||||||
for (const [region, results] of Object.entries(json)) {
|
|
||||||
for (const instance of results) {
|
|
||||||
if (instance.timestamp * 1000 > lastTime) {
|
|
||||||
const newSR = instance.success_rate;
|
|
||||||
const newRTR = instance.round_trip_time / instance.seg_duration;
|
|
||||||
let latitude = null;
|
|
||||||
let longitude = null;
|
|
||||||
for (const [resolvedTarget, instance] of Object.entries(
|
|
||||||
thisInstances
|
|
||||||
)) {
|
|
||||||
if (instance.livepeer_regions[region]) {
|
|
||||||
latitude = instance.latitude;
|
|
||||||
longitude = instance.longitude;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
console.log(
|
|
||||||
"Found new RTR=" +
|
|
||||||
newRTR +
|
|
||||||
" and new success rate of " +
|
|
||||||
newSR * 100 +
|
|
||||||
"%, livepeer region " +
|
|
||||||
instance.region
|
|
||||||
);
|
|
||||||
promLatestRTR.set(
|
|
||||||
{
|
|
||||||
livepeer_region: instance.region,
|
|
||||||
orchestrator: thisName,
|
|
||||||
latitude: latitude,
|
|
||||||
longitude: longitude,
|
|
||||||
},
|
|
||||||
newRTR
|
|
||||||
);
|
|
||||||
promLatestSuccessRate.set(
|
|
||||||
{
|
|
||||||
livepeer_region: instance.region,
|
|
||||||
orchestrator: thisName,
|
|
||||||
latitude: latitude,
|
|
||||||
longitude: longitude,
|
|
||||||
},
|
|
||||||
newSR
|
|
||||||
);
|
|
||||||
if (
|
|
||||||
!orchCache[address.toLowerCase()].leaderboardResults[instance.region]
|
|
||||||
) {
|
|
||||||
orchCache[address.toLowerCase()].leaderboardResults[instance.region] =
|
|
||||||
{};
|
|
||||||
}
|
|
||||||
orchCache[address.toLowerCase()].leaderboardResults[
|
|
||||||
instance.region
|
|
||||||
].latestRTR = newRTR;
|
|
||||||
orchCache[address.toLowerCase()].leaderboardResults[
|
|
||||||
instance.region
|
|
||||||
].latestSR = newSR;
|
|
||||||
hasEdited = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (hasEdited) {
|
|
||||||
orchCache[address.toLowerCase()].leaderboardResults.lastTime =
|
|
||||||
new Date().getTime();
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
const updateOrchScores = async function () {
|
|
||||||
for (const [id, obj] of Object.entries(orchCache)) {
|
|
||||||
await updateScore(id);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
const recoverStorage = async function () {
|
|
||||||
await storage.init({
|
|
||||||
stringify: JSON.stringify,
|
|
||||||
parse: JSON.parse,
|
|
||||||
encoding: "utf8",
|
|
||||||
logging: false,
|
|
||||||
ttl: false,
|
|
||||||
forgiveParseErrors: false,
|
|
||||||
});
|
});
|
||||||
storedDomains = await storage.getItem("ensDomainCache");
|
|
||||||
if (storedDomains) {
|
|
||||||
ensDomainCache = storedDomains;
|
|
||||||
}
|
|
||||||
storedOrchs = await storage.getItem("orchCache");
|
|
||||||
if (storedOrchs) {
|
|
||||||
orchCache = storedOrchs;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Re-init from storage
|
res.send(true);
|
||||||
for (const [id, obj] of Object.entries(orchCache)) {
|
});
|
||||||
const thisName = obj.name;
|
|
||||||
const thisInstances = obj.instances;
|
|
||||||
|
|
||||||
// Latest leaderboard results observed
|
// Prometheus Metrics Endpoint
|
||||||
if (obj.leaderboardResults) {
|
masterRouter.get("/prometheus", async (req, res) => {
|
||||||
for (const [region, res] of Object.entries(obj.leaderboardResults)) {
|
worker.postMessage({ type: "prometheus" });
|
||||||
// Skip the lastTime accessor - only use last observed regional stats
|
worker.once("message", (message) => {
|
||||||
if (res.latestRTR == null || res.latestSR == null) {
|
if (message.type === "prometheus") {
|
||||||
continue;
|
res.set("Content-Type", "text/plain");
|
||||||
|
res.end(message.data);
|
||||||
}
|
}
|
||||||
console.log(
|
});
|
||||||
"Re-init leaderboard scores for orch=" +
|
});
|
||||||
id +
|
|
||||||
", RTR=" +
|
|
||||||
res.latestRTR +
|
|
||||||
" and success rate of " +
|
|
||||||
res.latestSR * 100 +
|
|
||||||
"%, livepeer region " +
|
|
||||||
region
|
|
||||||
);
|
|
||||||
let latitude = null;
|
|
||||||
let longitude = null;
|
|
||||||
for (const [resolvedTarget, instance] of Object.entries(
|
|
||||||
thisInstances
|
|
||||||
)) {
|
|
||||||
if (instance.livepeer_regions[region]) {
|
|
||||||
latitude = instance.latitude;
|
|
||||||
longitude = instance.longitude;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
promLatestRTR.set(
|
|
||||||
{
|
|
||||||
livepeer_region: region,
|
|
||||||
orchestrator: thisName,
|
|
||||||
latitude: latitude,
|
|
||||||
longitude: longitude,
|
|
||||||
},
|
|
||||||
res.latestRTR
|
|
||||||
);
|
|
||||||
promLatestSuccessRate.set(
|
|
||||||
{
|
|
||||||
livepeer_region: region,
|
|
||||||
orchestrator: thisName,
|
|
||||||
latitude: latitude,
|
|
||||||
longitude: longitude,
|
|
||||||
},
|
|
||||||
res.latestSR
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
isSynced = true;
|
|
||||||
};
|
|
||||||
recoverStorage();
|
|
||||||
|
|
||||||
// Strip individual measurements from the cache to keep the response tiny
|
// JSON Data Endpoint
|
||||||
function shallowCopy() {
|
masterRouter.get("/json", async (req, res) => {
|
||||||
const mrClean = {};
|
worker.postMessage({ type: "json" });
|
||||||
for (const orchestratorId in orchCache) {
|
worker.once("message", (message) => {
|
||||||
const orchestrator = orchCache[orchestratorId];
|
if (message.type === "json") {
|
||||||
// Shallow copy (which references original memory pointers)
|
res.set("Content-Type", "application/json");
|
||||||
mrClean[orchestratorId] = { ...orchestrator };
|
res.end(message.data);
|
||||||
// Overwrite regionalStats ref
|
}
|
||||||
if (orchestrator.regionalStats) {
|
});
|
||||||
mrClean[orchestratorId].regionalStats = {};
|
});
|
||||||
|
|
||||||
for (const region in orchestrator.regionalStats) {
|
|
||||||
const regionStats = orchestrator.regionalStats[region];
|
|
||||||
|
|
||||||
// Shallow copy region stats without measurements
|
|
||||||
mrClean[orchestratorId].regionalStats[region] = { ...regionStats };
|
|
||||||
delete mrClean[orchestratorId].regionalStats[region].measurements;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return JSON.stringify(mrClean);
|
|
||||||
}
|
|
||||||
|
|
||||||
const runTests = async function () {
|
|
||||||
try {
|
|
||||||
const now = new Date().getTime();
|
|
||||||
if (!lastLeaderboardCheck || now - lastLeaderboardCheck > CONF_SCORE_TIMEOUT) {
|
|
||||||
await updateOrchScores();
|
|
||||||
lastLeaderboardCheck = now;
|
|
||||||
}
|
|
||||||
if (!lastStringify || now - lastStringify > 15000) {
|
|
||||||
jsonString = shallowCopy();
|
|
||||||
lastStringify = now;
|
|
||||||
}
|
|
||||||
setTimeout(() => {
|
|
||||||
runTests();
|
|
||||||
}, CONF_SLEEPTIME);
|
|
||||||
return;
|
|
||||||
} catch (err) {
|
|
||||||
console.log(err);
|
|
||||||
setTimeout(() => {
|
|
||||||
runTests();
|
|
||||||
}, CONF_SLEEPTIME);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
console.log("Starting watcher for test stream results");
|
|
||||||
runTests();
|
|
||||||
|
|
||||||
|
// Start Server
|
||||||
|
console.log("Starting main handler...");
|
||||||
exports.masterRouter = masterRouter;
|
exports.masterRouter = masterRouter;
|
||||||
|
|||||||
627
master/worker.js
Normal file
627
master/worker.js
Normal file
@ -0,0 +1,627 @@
|
|||||||
|
const { parentPort } = require("worker_threads");
|
||||||
|
const client = require("prom-client");
|
||||||
|
const storage = require("node-persist");
|
||||||
|
const ethers = require("ethers");
|
||||||
|
const {
|
||||||
|
CONF_API_L1_HTTP,
|
||||||
|
CONF_API_L1_KEY,
|
||||||
|
CONF_TIMEOUT_ENS_DOMAIN,
|
||||||
|
CONF_KEY_EXPIRY,
|
||||||
|
CONF_SCORE_TIMEOUT,
|
||||||
|
CONF_SLEEPTIME,
|
||||||
|
} = require("./src/config.js");
|
||||||
|
const taskQueue = [];
|
||||||
|
|
||||||
|
// Initialize Ethereum Provider
|
||||||
|
const l1provider = new ethers.providers.JsonRpcProvider(
|
||||||
|
CONF_API_L1_HTTP + CONF_API_L1_KEY
|
||||||
|
);
|
||||||
|
|
||||||
|
// Prometheus Registry
|
||||||
|
const register = new client.Registry();
|
||||||
|
|
||||||
|
// Regional stats - prober instance specific
|
||||||
|
const promLatestLatency = new client.Gauge({
|
||||||
|
name: "orch_latest_latency",
|
||||||
|
help: "Latest latency known for a given Orchestrator",
|
||||||
|
labelNames: ["region", "orchestrator", "latitude", "longitude"],
|
||||||
|
});
|
||||||
|
const promLatency = new client.Summary({
|
||||||
|
name: "orch_latency",
|
||||||
|
help: "Summary of latency stats",
|
||||||
|
percentiles: [0.01, 0.1, 0.9, 0.99],
|
||||||
|
labelNames: ["region"],
|
||||||
|
});
|
||||||
|
const promAverageLatency = new client.Gauge({
|
||||||
|
name: "orch_average_latency",
|
||||||
|
help: "Average latency for a given Orchestrator",
|
||||||
|
labelNames: ["region", "orchestrator", "latitude", "longitude"],
|
||||||
|
});
|
||||||
|
// Regional stats - Livepeer test stream specific
|
||||||
|
const promLatestRTR = new client.Gauge({
|
||||||
|
name: "orch_latest_rtr",
|
||||||
|
help: "Latest realtime ratio as specified by Livepeer inc's regional performance leaderboards",
|
||||||
|
labelNames: ["livepeer_region", "orchestrator", "latitude", "longitude"],
|
||||||
|
});
|
||||||
|
const promLatestSuccessRate = new client.Gauge({
|
||||||
|
name: "orch_latest_success_rate",
|
||||||
|
help: "Latest success rate as specified by Livepeer inc's regional performance leaderboards",
|
||||||
|
labelNames: ["livepeer_region", "orchestrator", "latitude", "longitude"],
|
||||||
|
});
|
||||||
|
// Global stats - orchestrator instance specific
|
||||||
|
const promLatestPPP = new client.Gauge({
|
||||||
|
name: "orch_latest_ppp",
|
||||||
|
help: "Latest price per pixel known for a given Orchestrator",
|
||||||
|
labelNames: ["instance", "orchestrator", "latitude", "longitude"],
|
||||||
|
});
|
||||||
|
const promAUptimeScore = new client.Gauge({
|
||||||
|
name: "orch_uptime_score",
|
||||||
|
help: "Uptime score for a given orchestrator",
|
||||||
|
labelNames: ["instance", "orchestrator", "latitude", "longitude"],
|
||||||
|
});
|
||||||
|
|
||||||
|
register.registerMetric(promLatestLatency);
|
||||||
|
register.registerMetric(promLatency);
|
||||||
|
register.registerMetric(promAverageLatency);
|
||||||
|
register.registerMetric(promLatestRTR);
|
||||||
|
register.registerMetric(promLatestSuccessRate);
|
||||||
|
register.registerMetric(promLatestPPP);
|
||||||
|
register.registerMetric(promAUptimeScore);
|
||||||
|
|
||||||
|
// Globals
|
||||||
|
let ensDomainCache = {};
|
||||||
|
let orchCache = {};
|
||||||
|
let jsonString = "";
|
||||||
|
let lastLeaderboardCheck = 0;
|
||||||
|
let lastStringify = 0;
|
||||||
|
let isSynced = false;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Function Skeletons
|
||||||
|
*/
|
||||||
|
|
||||||
|
// Utility: Sleep
|
||||||
|
function sleep(ms) {
|
||||||
|
return new Promise((resolve) => {
|
||||||
|
setTimeout(resolve, ms);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
// Process the task queue continuously
|
||||||
|
async function processQueue() {
|
||||||
|
while (true) {
|
||||||
|
if (taskQueue.length > 0) {
|
||||||
|
const task = taskQueue.shift();
|
||||||
|
try {
|
||||||
|
await task.fn(...task.args);
|
||||||
|
} catch (error) {
|
||||||
|
console.error("Error processing task:", error);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
await sleep(1000);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
processQueue();
|
||||||
|
|
||||||
|
// ENS Domain Lookup
|
||||||
|
async function getEnsDomain(addr) {
|
||||||
|
try {
|
||||||
|
const now = new Date().getTime();
|
||||||
|
const cached = ensDomainCache[addr];
|
||||||
|
if (cached && now - cached.timestamp < CONF_TIMEOUT_ENS_DOMAIN) {
|
||||||
|
return cached.domain ? cached.domain : cached.address;
|
||||||
|
}
|
||||||
|
// Refresh cause not cached or stale
|
||||||
|
const ensDomain = await l1provider.lookupAddress(addr);
|
||||||
|
let ensObj;
|
||||||
|
if (!ensDomain) {
|
||||||
|
let domain = null;
|
||||||
|
if (cached) {
|
||||||
|
domain = cached.domain;
|
||||||
|
}
|
||||||
|
ensObj = {
|
||||||
|
domain: domain,
|
||||||
|
address: addr,
|
||||||
|
timestamp: now,
|
||||||
|
};
|
||||||
|
} else {
|
||||||
|
ensObj = {
|
||||||
|
domain: ensDomain,
|
||||||
|
address: addr,
|
||||||
|
timestamp: now,
|
||||||
|
};
|
||||||
|
}
|
||||||
|
console.log(
|
||||||
|
"Updated ENS domain " +
|
||||||
|
ensObj.domain +
|
||||||
|
" owned by " +
|
||||||
|
ensObj.address +
|
||||||
|
" @ " +
|
||||||
|
ensObj.timestamp
|
||||||
|
);
|
||||||
|
ensDomainCache[addr] = ensObj;
|
||||||
|
await storage.setItem("ensDomainCache", ensDomainCache);
|
||||||
|
if (ensObj.domain) {
|
||||||
|
// Update domain name
|
||||||
|
return ensObj.domain;
|
||||||
|
} else {
|
||||||
|
if (cached.domain) {
|
||||||
|
// Reuse last cached domain
|
||||||
|
return cached.domain;
|
||||||
|
} else {
|
||||||
|
// Return ETH addr
|
||||||
|
return ensObj.address;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} catch (err) {
|
||||||
|
console.log(err);
|
||||||
|
console.log("Error looking up ENS info, retrying...");
|
||||||
|
await sleep(200);
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Update Prometheus Metrics
|
||||||
|
async function updatePrometheus(tag, instance, orchInfo) {
|
||||||
|
const thisInstance = orchInfo.instances[instance];
|
||||||
|
const regionInfo = orchInfo.regionalStats[tag];
|
||||||
|
if (regionInfo.latestDiscoveryTime) {
|
||||||
|
promLatestLatency.set(
|
||||||
|
{
|
||||||
|
region: tag,
|
||||||
|
orchestrator: orchInfo.name,
|
||||||
|
latitude: thisInstance.latitude,
|
||||||
|
longitude: thisInstance.longitude,
|
||||||
|
},
|
||||||
|
regionInfo.latestDiscoveryTime
|
||||||
|
);
|
||||||
|
}
|
||||||
|
if (regionInfo.avgDiscoveryTime) {
|
||||||
|
promAverageLatency.set(
|
||||||
|
{
|
||||||
|
region: tag,
|
||||||
|
orchestrator: orchInfo.name,
|
||||||
|
latitude: thisInstance.latitude,
|
||||||
|
longitude: thisInstance.longitude,
|
||||||
|
},
|
||||||
|
regionInfo.avgDiscoveryTime
|
||||||
|
);
|
||||||
|
}
|
||||||
|
promAUptimeScore.set(
|
||||||
|
{
|
||||||
|
instance: instance,
|
||||||
|
orchestrator: orchInfo.name,
|
||||||
|
latitude: thisInstance.latitude,
|
||||||
|
longitude: thisInstance.longitude,
|
||||||
|
},
|
||||||
|
regionInfo.uptimePercentage
|
||||||
|
);
|
||||||
|
promLatestPPP.set(
|
||||||
|
{
|
||||||
|
instance: instance,
|
||||||
|
orchestrator: orchInfo.name,
|
||||||
|
latitude: thisInstance.latitude,
|
||||||
|
longitude: thisInstance.longitude,
|
||||||
|
},
|
||||||
|
thisInstance.price
|
||||||
|
);
|
||||||
|
promLatency.observe({ region: tag }, regionInfo.latestDiscoveryTime);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Update Cache for a Single Orchestrator
|
||||||
|
async function onOrchUpdate(id, obj, tag, region, livepeer_regions) {
|
||||||
|
const now = new Date().getTime();
|
||||||
|
// Overwrite name with ENS domain if set
|
||||||
|
let ensDomain = null;
|
||||||
|
while (!ensDomain) {
|
||||||
|
ensDomain = await getEnsDomain(id.toLowerCase());
|
||||||
|
}
|
||||||
|
// Retrieve entry to update or init it
|
||||||
|
let newObj = orchCache[id.toLowerCase()];
|
||||||
|
if (!newObj) {
|
||||||
|
newObj = {
|
||||||
|
name: ensDomain,
|
||||||
|
id: id.toLowerCase(),
|
||||||
|
regionalStats: {},
|
||||||
|
instances: {},
|
||||||
|
leaderboardResults: { lastTime: now },
|
||||||
|
};
|
||||||
|
} else {
|
||||||
|
newObj.name = ensDomain;
|
||||||
|
newObj.id = id.toLowerCase()
|
||||||
|
}
|
||||||
|
// Find region entry or init it
|
||||||
|
let newRegion = newObj.regionalStats[tag];
|
||||||
|
if (!newRegion) {
|
||||||
|
newRegion = {
|
||||||
|
measurements: [],
|
||||||
|
avgDiscoveryTime: -1,
|
||||||
|
uptimePercentage: 1.0,
|
||||||
|
latestDiscoveryTime: -1,
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
// Record measurement
|
||||||
|
let measurement = {
|
||||||
|
latency: obj.discovery.latency,
|
||||||
|
timestamp: now,
|
||||||
|
duration: 0,
|
||||||
|
};
|
||||||
|
if (newRegion.measurements.length) {
|
||||||
|
measurement.duration =
|
||||||
|
now - newRegion.measurements[newRegion.measurements.length - 1].timestamp;
|
||||||
|
}
|
||||||
|
newRegion.measurements.push(measurement);
|
||||||
|
if (newRegion.measurements.length > 60) {
|
||||||
|
newRegion.measurements = newRegion.measurements.slice(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Recalc average && uptime
|
||||||
|
let uptime = 0;
|
||||||
|
let downtime = 0;
|
||||||
|
let pingSum = 0;
|
||||||
|
let pingEntries = 0;
|
||||||
|
for (const measurement of newRegion.measurements) {
|
||||||
|
if (measurement.latency && measurement.latency > 0) {
|
||||||
|
if (measurement.duration) {
|
||||||
|
uptime += measurement.duration;
|
||||||
|
}
|
||||||
|
pingSum += measurement.latency;
|
||||||
|
pingEntries++;
|
||||||
|
} else {
|
||||||
|
if (measurement.duration) {
|
||||||
|
downtime += measurement.duration;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (pingEntries > 0) {
|
||||||
|
newRegion.avgDiscoveryTime = pingSum / pingEntries;
|
||||||
|
} else {
|
||||||
|
newRegion.avgDiscoveryTime = measurement.latency;
|
||||||
|
}
|
||||||
|
newRegion.latestDiscoveryTime = measurement.latency;
|
||||||
|
|
||||||
|
if (
|
||||||
|
downtime ||
|
||||||
|
(!newRegion.avgDiscoveryTime && !newRegion.latestDiscoveryTime)
|
||||||
|
) {
|
||||||
|
if (!uptime) {
|
||||||
|
newRegion.uptimePercentage = 0.0;
|
||||||
|
} else {
|
||||||
|
newRegion.uptimePercentage = uptime / (uptime + downtime);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Find instance entry or init it
|
||||||
|
let newInstance = newObj.instances[obj.resolv.resolvedTarget];
|
||||||
|
if (!newInstance) {
|
||||||
|
newInstance = {
|
||||||
|
price: -1,
|
||||||
|
latitude: -1,
|
||||||
|
longitude: -1,
|
||||||
|
version: "",
|
||||||
|
probedFrom: {},
|
||||||
|
regions: {},
|
||||||
|
livepeer_regions: {},
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
// Remove expired stuff
|
||||||
|
Object.keys(newInstance.probedFrom).forEach((key) => {
|
||||||
|
if (
|
||||||
|
!newInstance.probedFrom[key] ||
|
||||||
|
!newInstance.probedFrom[key].lastTime ||
|
||||||
|
now - newInstance.probedFrom[key].lastTime > CONF_KEY_EXPIRY
|
||||||
|
) {
|
||||||
|
console.log(
|
||||||
|
"Removing expired key " +
|
||||||
|
key +
|
||||||
|
" from the probed-from cache for orch " +
|
||||||
|
id
|
||||||
|
);
|
||||||
|
delete newInstance.probedFrom[key];
|
||||||
|
}
|
||||||
|
});
|
||||||
|
Object.keys(newInstance.regions).forEach((key) => {
|
||||||
|
if (
|
||||||
|
!newInstance.regions[key] ||
|
||||||
|
!newInstance.regions[key].lastTime ||
|
||||||
|
now - newInstance.regions[key].lastTime > CONF_KEY_EXPIRY
|
||||||
|
) {
|
||||||
|
console.log(
|
||||||
|
"Removing expired key " + key + " from the regions cache for orch " + id
|
||||||
|
);
|
||||||
|
delete newInstance.regions[key];
|
||||||
|
}
|
||||||
|
});
|
||||||
|
Object.keys(newInstance.livepeer_regions).forEach((key) => {
|
||||||
|
if (
|
||||||
|
!newInstance.livepeer_regions[key] ||
|
||||||
|
!newInstance.livepeer_regions[key].lastTime ||
|
||||||
|
now - newInstance.livepeer_regions[key].lastTime > CONF_KEY_EXPIRY
|
||||||
|
) {
|
||||||
|
console.log(
|
||||||
|
"Removing expired key " +
|
||||||
|
key +
|
||||||
|
" from the livepeer regions cache for orch " +
|
||||||
|
id
|
||||||
|
);
|
||||||
|
delete newInstance.livepeer_regions[key];
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
// Set last times for instance info
|
||||||
|
newInstance.probedFrom[tag] = {
|
||||||
|
lastTime: now,
|
||||||
|
};
|
||||||
|
newInstance.regions[region] = {
|
||||||
|
lastTime: now,
|
||||||
|
};
|
||||||
|
for (const region of livepeer_regions) {
|
||||||
|
newInstance.livepeer_regions[region] = {
|
||||||
|
lastTime: now,
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
// Set location and price info
|
||||||
|
if (obj.discovery.price_info) {
|
||||||
|
newInstance.price =
|
||||||
|
obj.discovery.price_info.pricePerUnit /
|
||||||
|
obj.discovery.price_info.pixelsPerUnit;
|
||||||
|
}
|
||||||
|
if (obj.discovery.version) {
|
||||||
|
newInstance.version = obj.discovery.version;
|
||||||
|
}
|
||||||
|
if (obj.resolv.geoLookup) {
|
||||||
|
newInstance.latitude = obj.resolv.geoLookup.latitude;
|
||||||
|
newInstance.longitude = obj.resolv.geoLookup.longitude;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Finished updating
|
||||||
|
newObj.instances[obj.resolv.resolvedTarget] = newInstance;
|
||||||
|
newObj.regionalStats[tag] = newRegion;
|
||||||
|
orchCache[id.toLowerCase()] = newObj;
|
||||||
|
await storage.setItem("orchCache", orchCache);
|
||||||
|
|
||||||
|
// Update prometheus stats
|
||||||
|
updatePrometheus(tag, obj.resolv.resolvedTarget, newObj);
|
||||||
|
console.log("Handled results for " + newObj.name + " from prober " + tag);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Strip individual measurements from the cache to keep the response tiny
|
||||||
|
function shallowCopy() {
|
||||||
|
const mrClean = {};
|
||||||
|
for (const orchestratorId in orchCache) {
|
||||||
|
const orchestrator = orchCache[orchestratorId];
|
||||||
|
// Shallow copy (which references original memory pointers)
|
||||||
|
mrClean[orchestratorId] = { ...orchestrator };
|
||||||
|
// Overwrite regionalStats ref
|
||||||
|
if (orchestrator.regionalStats) {
|
||||||
|
mrClean[orchestratorId].regionalStats = {};
|
||||||
|
|
||||||
|
for (const region in orchestrator.regionalStats) {
|
||||||
|
const regionStats = orchestrator.regionalStats[region];
|
||||||
|
|
||||||
|
// Shallow copy region stats without measurements
|
||||||
|
mrClean[orchestratorId].regionalStats[region] = { ...regionStats };
|
||||||
|
delete mrClean[orchestratorId].regionalStats[region].measurements;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return JSON.stringify(mrClean);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Exposes new test results for an address
|
||||||
|
async function updateScore(address) {
|
||||||
|
console.log("Checking for new scores for " + address);
|
||||||
|
const thisInstances = orchCache[address.toLowerCase()].instances;
|
||||||
|
const thisName = orchCache[address.toLowerCase()].name;
|
||||||
|
const lastTime = orchCache[address.toLowerCase()].leaderboardResults.lastTime;
|
||||||
|
|
||||||
|
let url =
|
||||||
|
"https://leaderboard-serverless.vercel.app/api/raw_stats?orchestrator=" +
|
||||||
|
address;
|
||||||
|
|
||||||
|
const json = await fetch(url).then((res) => res.json());
|
||||||
|
let hasEdited = false;
|
||||||
|
for (const [region, results] of Object.entries(json)) {
|
||||||
|
for (const instance of results) {
|
||||||
|
if (instance.timestamp * 1000 > lastTime) {
|
||||||
|
const newSR = instance.success_rate;
|
||||||
|
const newRTR = instance.round_trip_time / instance.seg_duration;
|
||||||
|
let latitude = null;
|
||||||
|
let longitude = null;
|
||||||
|
for (const [resolvedTarget, instance] of Object.entries(
|
||||||
|
thisInstances
|
||||||
|
)) {
|
||||||
|
if (instance.livepeer_regions[region]) {
|
||||||
|
latitude = instance.latitude;
|
||||||
|
longitude = instance.longitude;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
console.log(
|
||||||
|
"Found new RTR=" +
|
||||||
|
newRTR +
|
||||||
|
" and new success rate of " +
|
||||||
|
newSR * 100 +
|
||||||
|
"%, livepeer region " +
|
||||||
|
instance.region
|
||||||
|
);
|
||||||
|
promLatestRTR.set(
|
||||||
|
{
|
||||||
|
livepeer_region: instance.region,
|
||||||
|
orchestrator: thisName,
|
||||||
|
latitude: latitude,
|
||||||
|
longitude: longitude,
|
||||||
|
},
|
||||||
|
newRTR
|
||||||
|
);
|
||||||
|
promLatestSuccessRate.set(
|
||||||
|
{
|
||||||
|
livepeer_region: instance.region,
|
||||||
|
orchestrator: thisName,
|
||||||
|
latitude: latitude,
|
||||||
|
longitude: longitude,
|
||||||
|
},
|
||||||
|
newSR
|
||||||
|
);
|
||||||
|
if (
|
||||||
|
!orchCache[address.toLowerCase()].leaderboardResults[instance.region]
|
||||||
|
) {
|
||||||
|
orchCache[address.toLowerCase()].leaderboardResults[instance.region] =
|
||||||
|
{};
|
||||||
|
}
|
||||||
|
orchCache[address.toLowerCase()].leaderboardResults[
|
||||||
|
instance.region
|
||||||
|
].latestRTR = newRTR;
|
||||||
|
orchCache[address.toLowerCase()].leaderboardResults[
|
||||||
|
instance.region
|
||||||
|
].latestSR = newSR;
|
||||||
|
hasEdited = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (hasEdited) {
|
||||||
|
orchCache[address.toLowerCase()].leaderboardResults.lastTime =
|
||||||
|
new Date().getTime();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Parse leaderboard results
|
||||||
|
async function updateOrchScores() {
|
||||||
|
for (const [id, obj] of Object.entries(orchCache)) {
|
||||||
|
taskQueue.push({ fn: updateScore, args: [id] });
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Recover persistent storage
|
||||||
|
async function recoverStorage() {
|
||||||
|
await storage.init({
|
||||||
|
stringify: JSON.stringify,
|
||||||
|
parse: JSON.parse,
|
||||||
|
encoding: "utf8",
|
||||||
|
logging: false,
|
||||||
|
ttl: false,
|
||||||
|
forgiveParseErrors: false,
|
||||||
|
});
|
||||||
|
storedDomains = await storage.getItem("ensDomainCache");
|
||||||
|
if (storedDomains) {
|
||||||
|
ensDomainCache = storedDomains;
|
||||||
|
}
|
||||||
|
storedOrchs = await storage.getItem("orchCache");
|
||||||
|
if (storedOrchs) {
|
||||||
|
orchCache = storedOrchs;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Re-init from storage
|
||||||
|
for (const [id, obj] of Object.entries(orchCache)) {
|
||||||
|
const thisName = obj.name;
|
||||||
|
const thisInstances = obj.instances;
|
||||||
|
|
||||||
|
// Latest leaderboard results observed
|
||||||
|
if (obj.leaderboardResults) {
|
||||||
|
for (const [region, res] of Object.entries(obj.leaderboardResults)) {
|
||||||
|
// Skip the lastTime accessor - only use last observed regional stats
|
||||||
|
if (res.latestRTR == null || res.latestSR == null) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
console.log(
|
||||||
|
"Re-init leaderboard scores for orch=" +
|
||||||
|
id +
|
||||||
|
", RTR=" +
|
||||||
|
res.latestRTR +
|
||||||
|
" and success rate of " +
|
||||||
|
res.latestSR * 100 +
|
||||||
|
"%, livepeer region " +
|
||||||
|
region
|
||||||
|
);
|
||||||
|
let latitude = null;
|
||||||
|
let longitude = null;
|
||||||
|
for (const [resolvedTarget, instance] of Object.entries(
|
||||||
|
thisInstances
|
||||||
|
)) {
|
||||||
|
if (instance.livepeer_regions[region]) {
|
||||||
|
latitude = instance.latitude;
|
||||||
|
longitude = instance.longitude;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
promLatestRTR.set(
|
||||||
|
{
|
||||||
|
livepeer_region: region,
|
||||||
|
orchestrator: thisName,
|
||||||
|
latitude: latitude,
|
||||||
|
longitude: longitude,
|
||||||
|
},
|
||||||
|
res.latestRTR
|
||||||
|
);
|
||||||
|
promLatestSuccessRate.set(
|
||||||
|
{
|
||||||
|
livepeer_region: region,
|
||||||
|
orchestrator: thisName,
|
||||||
|
latitude: latitude,
|
||||||
|
longitude: longitude,
|
||||||
|
},
|
||||||
|
res.latestSR
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
isSynced = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Main loop - checks for leaderboard results and refreshes some caches
|
||||||
|
async function runTests() {
|
||||||
|
const now = Date.now();
|
||||||
|
|
||||||
|
if (!lastLeaderboardCheck || now - lastLeaderboardCheck > CONF_SCORE_TIMEOUT) {
|
||||||
|
console.log("Scheduling Orchestrator leaderboard score updates");
|
||||||
|
await updateOrchScores(); // This adds updateScore tasks to the queue
|
||||||
|
lastLeaderboardCheck = now;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!lastStringify || now - lastStringify > 10000) {
|
||||||
|
console.log("Refreshing JSON string");
|
||||||
|
jsonString = shallowCopy();
|
||||||
|
lastStringify = now;
|
||||||
|
}
|
||||||
|
|
||||||
|
setTimeout(runTests, CONF_SLEEPTIME);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Message Handler for Worker
|
||||||
|
parentPort.on("message", async (message) => {
|
||||||
|
try {
|
||||||
|
switch (message.type) {
|
||||||
|
case "collectStats":
|
||||||
|
console.log("Queuing stats from " + message.data.tag + " (" + message.data.region + ")");
|
||||||
|
for (const [id, obj] of Object.entries(message.data.batchResults)) {
|
||||||
|
taskQueue.push({ fn: onOrchUpdate, args: [id, obj, message.data.tag, message.data.region, message.data.livepeer_regions] });
|
||||||
|
}
|
||||||
|
parentPort.postMessage({ type: "status", data: "queued" });
|
||||||
|
break;
|
||||||
|
case "prometheus":
|
||||||
|
register
|
||||||
|
.metrics()
|
||||||
|
.then((metrics) => parentPort.postMessage({ type: "prometheus", data: metrics }))
|
||||||
|
.catch((error) => parentPort.postMessage({ type: "error", error: error.message }));
|
||||||
|
break;
|
||||||
|
case "json":
|
||||||
|
parentPort.postMessage({ type: "json", data: jsonString });
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
throw new Error("Unknown message type");
|
||||||
|
}
|
||||||
|
} catch (error) {
|
||||||
|
parentPort.postMessage({ type: "error", error: error.message });
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
// Initialize and Start Worker
|
||||||
|
(async () => {
|
||||||
|
console.log("Reading local storage...");
|
||||||
|
recoverStorage();
|
||||||
|
console.log("Worker initialized.");
|
||||||
|
runTests();
|
||||||
|
})();
|
||||||
Loading…
x
Reference in New Issue
Block a user