add a singular metric

index.js

@@ -1,34 +0,0 @@
-require("dotenv").config();
-
-const { Client: FortniteAPI, Language } = require("fnapicom");
-
-const ACCOUNTS_TO_TRACK = process.env.FORTNITE_USERNAMES.includes(",")
-	? process.env.FORTNITE_USERNAMES.split(",")
-	: [process.env.FORTNITE_USERNAMES];
-
-const client = new FortniteAPI({
-	language: Language.English,
-	apiKey: process.env.API_KEY,
-});
-
-trackAccounts();
-setInterval(() => {
-	trackAccounts();
-}, 60_000);
-
-async function trackAccounts() {
-	for (const username of ACCOUNTS_TO_TRACK) {
-		try {
-			const account = await client.brStats({
-				name: username,
-			});
-			if (account.status !== 200) {
-				console.error(`Error: ${account.status}`);
-				continue;
-			}
-			console.log("works");
-		} catch (error) {
-			console.error(error);
-		}
-	}
-}

package.json

@@ -2,7 +2,7 @@
 	"name": "fortnite-metrics-grafana",
 	"version": "1.0.0",
 	"description": "Tracks fortnite account metrics such as kills, kd, wins, etc.",
-  "main": "index.js",
+	"main": "src/index.js",
 	"scripts": {
 		"test": "echo \"Error: no test specified\" && exit 1"
 	},
@@ -14,6 +14,8 @@
 	"license": "ISC",
 	"dependencies": {
 		"dotenv": "^16.0.3",
-    "fnapicom": "^1.1.0"
+		"express": "^4.18.2",
+		"fnapicom": "^1.1.0",
+		"prom-client": "^14.2.0"
 	}
 }

src/index.js

@@ -0,0 +1,68 @@
+require("dotenv").config();
+
+const { Client: FortniteAPI, Language } = require("fnapicom");
+const { sleep } = require("./utils");
+const express = require("express");
+
+// Prometheus metrics
+const promClient = require("prom-client");
+const Registry = promClient.Registry;
+const register = new Registry();
+register.setDefaultLabels({ app: "fortnite-api" });
+
+const ACCOUNTS_TO_TRACK = process.env.FORTNITE_USERNAMES.includes(",")
+	? process.env.FORTNITE_USERNAMES.split(",")
+	: [process.env.FORTNITE_USERNAMES];
+
+const client = new FortniteAPI({
+	language: Language.English,
+	apiKey: process.env.API_KEY,
+});
+
+// Define metrics
+const trackedAccountsGauge = new promClient.Gauge({
+	name: "fortnite_tracked_accounts",
+	help: "Number of Fortnite accounts being tracked",
+});
+
+register.registerMetric(trackedAccountsGauge);
+
+// Track accounts before starting the server so we dont get no data
+trackAccounts();
+setInterval(() => {
+	trackAccounts();
+}, 60_000);
+
+const app = express();
+app.listen(3000, () => {
+	console.log("Listening on http://localhost:3000");
+});
+
+app.get("/", (req, res) => {
+	res.send("Are you looking for metrics? Go to /metrics");
+});
+
+app.get("/metrics", async (req, res) => {
+	res.set("Content-Type", register.contentType);
+	register.metrics().then((data) => res.status(200).send(data));
+});
+
+async function trackAccounts() {
+	trackedAccountsGauge.set(ACCOUNTS_TO_TRACK.length);
+	for (const username of ACCOUNTS_TO_TRACK) {
+		try {
+			const account = await client.brStats({
+				name: username,
+			});
+			if (account.status !== 200) {
+				console.error(`Error: ${account.status}`);
+				continue;
+			}
+			console.log("works");
+
+			sleep(1000);
+		} catch (error) {
+			console.error(error);
+		}
+	}
+}

src/utils.js

@@ -0,0 +1,17 @@
+/**
+ * Makes the current thread sleep for the given time
+ *
+ * @param {Number} time the time to sleep in milliseconds
+ * @returns {Promise} a promise that resolves after the time has passed
+ */
+async function sleep(time) {
+	return new Promise((resolve) => {
+		setTimeout(() => {
+			resolve();
+		}, time);
+	});
+}
+
+module.exports = {
+	sleep,
+};

yarn.lock

@@ -2,6 +2,19 @@
 # yarn lockfile v1
 
 
+"accepts@~1.3.8":
+  "integrity" "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw=="
+  "resolved" "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz"
+  "version" "1.3.8"
+  dependencies:
+    "mime-types" "~2.1.34"
+    "negotiator" "0.6.3"
+
+"array-flatten@1.1.1":
+  "integrity" "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
+  "resolved" "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz"
+  "version" "1.1.1"
+
 "asynckit@^0.4.0":
   "integrity" "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
   "resolved" "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz"
@@ -20,6 +33,42 @@
     "follow-redirects" "^1.14.9"
     "form-data" "^4.0.0"
 
+"bintrees@1.0.2":
+  "integrity" "sha512-VOMgTMwjAaUG580SXn3LacVgjurrbMme7ZZNYGSSV7mmtY6QQRh0Eg3pwIcntQ77DErK1L0NxkbetjcoXzVwKw=="
+  "resolved" "https://registry.npmjs.org/bintrees/-/bintrees-1.0.2.tgz"
+  "version" "1.0.2"
+
+"body-parser@1.20.1":
+  "integrity" "sha512-jWi7abTbYwajOytWCQc37VulmWiRae5RyTpaCyDcS5/lMdtwSz5lOpDE67srw/HYe35f1z3fDQw+3txg7gNtWw=="
+  "resolved" "https://registry.npmjs.org/body-parser/-/body-parser-1.20.1.tgz"
+  "version" "1.20.1"
+  dependencies:
+    "bytes" "3.1.2"
+    "content-type" "~1.0.4"
+    "debug" "2.6.9"
+    "depd" "2.0.0"
+    "destroy" "1.2.0"
+    "http-errors" "2.0.0"
+    "iconv-lite" "0.4.24"
+    "on-finished" "2.4.1"
+    "qs" "6.11.0"
+    "raw-body" "2.5.1"
+    "type-is" "~1.6.18"
+    "unpipe" "1.0.0"
+
+"bytes@3.1.2":
+  "integrity" "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg=="
+  "resolved" "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz"
+  "version" "3.1.2"
+
+"call-bind@^1.0.0":
+  "integrity" "sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA=="
+  "resolved" "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz"
+  "version" "1.0.2"
+  dependencies:
+    "function-bind" "^1.1.1"
+    "get-intrinsic" "^1.0.2"
+
 "combined-stream@^1.0.8":
   "integrity" "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg=="
   "resolved" "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz"
@@ -27,16 +76,125 @@
   dependencies:
     "delayed-stream" "~1.0.0"
 
+"content-disposition@0.5.4":
+  "integrity" "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ=="
+  "resolved" "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz"
+  "version" "0.5.4"
+  dependencies:
+    "safe-buffer" "5.2.1"
+
+"content-type@~1.0.4":
+  "integrity" "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA=="
+  "resolved" "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz"
+  "version" "1.0.5"
+
+"cookie-signature@1.0.6":
+  "integrity" "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
+  "resolved" "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz"
+  "version" "1.0.6"
+
+"cookie@0.5.0":
+  "integrity" "sha512-YZ3GUyn/o8gfKJlnlX7g7xq4gyO6OSuhGPKaaGssGB2qgDUS0gPgtTvoyZLTt9Ab6dC4hfc9dV5arkvc/OCmrw=="
+  "resolved" "https://registry.npmjs.org/cookie/-/cookie-0.5.0.tgz"
+  "version" "0.5.0"
+
+"debug@2.6.9":
+  "integrity" "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA=="
+  "resolved" "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz"
+  "version" "2.6.9"
+  dependencies:
+    "ms" "2.0.0"
+
 "delayed-stream@~1.0.0":
   "integrity" "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ=="
   "resolved" "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz"
   "version" "1.0.0"
 
+"depd@2.0.0":
+  "integrity" "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
+  "resolved" "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz"
+  "version" "2.0.0"
+
+"destroy@1.2.0":
+  "integrity" "sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg=="
+  "resolved" "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz"
+  "version" "1.2.0"
+
 "dotenv@^16.0.3":
   "integrity" "sha512-7GO6HghkA5fYG9TYnNxi14/7K9f5occMlp3zXAuSxn7CKCxt9xbNWG7yF8hTCSUchlfWSe3uLmlPfigevRItzQ=="
   "resolved" "https://registry.npmjs.org/dotenv/-/dotenv-16.0.3.tgz"
   "version" "16.0.3"
 
+"ee-first@1.1.1":
+  "integrity" "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="
+  "resolved" "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz"
+  "version" "1.1.1"
+
+"encodeurl@~1.0.2":
+  "integrity" "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
+  "resolved" "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz"
+  "version" "1.0.2"
+
+"escape-html@~1.0.3":
+  "integrity" "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow=="
+  "resolved" "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz"
+  "version" "1.0.3"
+
+"etag@~1.8.1":
+  "integrity" "sha512-aIL5Fx7mawVa300al2BnEE4iNvo1qETxLrPI/o05L7z6go7fCw1J6EQmbK4FmJ2AS7kgVF/KEZWufBfdClMcPg=="
+  "resolved" "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz"
+  "version" "1.8.1"
+
+"express@^4.18.2":
+  "integrity" "sha512-5/PsL6iGPdfQ/lKM1UuielYgv3BUoJfz1aUwU9vHZ+J7gyvwdQXFEBIEIaxeGf0GIcreATNyBExtalisDbuMqQ=="
+  "resolved" "https://registry.npmjs.org/express/-/express-4.18.2.tgz"
+  "version" "4.18.2"
+  dependencies:
+    "accepts" "~1.3.8"
+    "array-flatten" "1.1.1"
+    "body-parser" "1.20.1"
+    "content-disposition" "0.5.4"
+    "content-type" "~1.0.4"
+    "cookie" "0.5.0"
+    "cookie-signature" "1.0.6"
+    "debug" "2.6.9"
+    "depd" "2.0.0"
+    "encodeurl" "~1.0.2"
+    "escape-html" "~1.0.3"
+    "etag" "~1.8.1"
+    "finalhandler" "1.2.0"
+    "fresh" "0.5.2"
+    "http-errors" "2.0.0"
+    "merge-descriptors" "1.0.1"
+    "methods" "~1.1.2"
+    "on-finished" "2.4.1"
+    "parseurl" "~1.3.3"
+    "path-to-regexp" "0.1.7"
+    "proxy-addr" "~2.0.7"
+    "qs" "6.11.0"
+    "range-parser" "~1.2.1"
+    "safe-buffer" "5.2.1"
+    "send" "0.18.0"
+    "serve-static" "1.15.0"
+    "setprototypeof" "1.2.0"
+    "statuses" "2.0.1"
+    "type-is" "~1.6.18"
+    "utils-merge" "1.0.1"
+    "vary" "~1.1.2"
+
+"finalhandler@1.2.0":
+  "integrity" "sha512-5uXcUVftlQMFnWC9qu/svkWv3GTd2PfUhK/3PLkYNAe7FbqJMt3515HaxE6eRL74GdsriiwujiawdaB1BpEISg=="
+  "resolved" "https://registry.npmjs.org/finalhandler/-/finalhandler-1.2.0.tgz"
+  "version" "1.2.0"
+  dependencies:
+    "debug" "2.6.9"
+    "encodeurl" "~1.0.2"
+    "escape-html" "~1.0.3"
+    "on-finished" "2.4.1"
+    "parseurl" "~1.3.3"
+    "statuses" "2.0.1"
+    "unpipe" "~1.0.0"
+
 "fnapicom@^1.1.0":
   "integrity" "sha512-9gAkXgA3D72HIYcv4p+QRBUmuNsSDq2B+HoYmgRDhhpmIlJbAqOLfkGDoaq4AqHO5IqYuyyo73w4B5lw1EM0xg=="
   "resolved" "https://registry.npmjs.org/fnapicom/-/fnapicom-1.1.0.tgz"
@@ -60,19 +218,270 @@
     "combined-stream" "^1.0.8"
     "mime-types" "^2.1.12"
 
+"forwarded@0.2.0":
+  "integrity" "sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow=="
+  "resolved" "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz"
+  "version" "0.2.0"
+
+"fresh@0.5.2":
+  "integrity" "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q=="
+  "resolved" "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz"
+  "version" "0.5.2"
+
+"function-bind@^1.1.1":
+  "integrity" "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
+  "resolved" "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz"
+  "version" "1.1.1"
+
+"get-intrinsic@^1.0.2":
+  "integrity" "sha512-L049y6nFOuom5wGyRc3/gdTLO94dySVKRACj1RmJZBQXlbTMhtNIgkWkUHq+jYmZvKf14EW1EoJnnjbmoHij0Q=="
+  "resolved" "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.2.0.tgz"
+  "version" "1.2.0"
+  dependencies:
+    "function-bind" "^1.1.1"
+    "has" "^1.0.3"
+    "has-symbols" "^1.0.3"
+
+"has-symbols@^1.0.3":
+  "integrity" "sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A=="
+  "resolved" "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.3.tgz"
+  "version" "1.0.3"
+
+"has@^1.0.3":
+  "integrity" "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw=="
+  "resolved" "https://registry.npmjs.org/has/-/has-1.0.3.tgz"
+  "version" "1.0.3"
+  dependencies:
+    "function-bind" "^1.1.1"
+
+"http-errors@2.0.0":
+  "integrity" "sha512-FtwrG/euBzaEjYeRqOgly7G0qviiXoJWnvEH2Z1plBdXgbyjv34pHTSb9zoeHMyDy33+DWy5Wt9Wo+TURtOYSQ=="
+  "resolved" "https://registry.npmjs.org/http-errors/-/http-errors-2.0.0.tgz"
+  "version" "2.0.0"
+  dependencies:
+    "depd" "2.0.0"
+    "inherits" "2.0.4"
+    "setprototypeof" "1.2.0"
+    "statuses" "2.0.1"
+    "toidentifier" "1.0.1"
+
+"iconv-lite@0.4.24":
+  "integrity" "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA=="
+  "resolved" "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz"
+  "version" "0.4.24"
+  dependencies:
+    "safer-buffer" ">= 2.1.2 < 3"
+
+"inherits@2.0.4":
+  "integrity" "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+  "resolved" "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz"
+  "version" "2.0.4"
+
+"ipaddr.js@1.9.1":
+  "integrity" "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g=="
+  "resolved" "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz"
+  "version" "1.9.1"
+
+"media-typer@0.3.0":
+  "integrity" "sha512-dq+qelQ9akHpcOl/gUVRTxVIOkAJ1wR3QAvb4RsVjS8oVoFjDGTc679wJYmUmknUF5HwMLOgb5O+a3KxfWapPQ=="
+  "resolved" "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz"
+  "version" "0.3.0"
+
+"merge-descriptors@1.0.1":
+  "integrity" "sha512-cCi6g3/Zr1iqQi6ySbseM1Xvooa98N0w31jzUYrXPX2xqObmFGHJ0tQ5u74H3mVh7wLouTseZyYIq39g8cNp1w=="
+  "resolved" "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz"
+  "version" "1.0.1"
+
+"methods@~1.1.2":
+  "integrity" "sha512-iclAHeNqNm68zFtnZ0e+1L2yUIdvzNoauKU4WBA3VvH/vPFieF7qfRlwUZU+DA9P9bPXIS90ulxoUoCH23sV2w=="
+  "resolved" "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz"
+  "version" "1.1.2"
+
 "mime-db@1.52.0":
   "integrity" "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="
   "resolved" "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz"
   "version" "1.52.0"
 
-"mime-types@^2.1.12":
+"mime-types@^2.1.12", "mime-types@~2.1.24", "mime-types@~2.1.34":
   "integrity" "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw=="
   "resolved" "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz"
   "version" "2.1.35"
   dependencies:
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