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Move Prometheus metrics

This commit is contained in:
Essem 2022-09-21 10:18:59 -05:00
parent 86d79f3cd3
commit 113f790888
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GPG Key ID: 7D497397CC3A2A8C
2 changed files with 41 additions and 66 deletions
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41
utils/pm2/ext.js
View File

@ -5,9 +5,13 @@ import winston from "winston";
// load config from .env file
import { resolve, dirname } from "path";
import { fileURLToPath } from "url";
import { readFileSync } from "fs";
import { createServer } from "http";
import { config } from "dotenv";
config({ path: resolve(dirname(fileURLToPath(import.meta.url)), "../../.env") });
import database from "../database.js";
const dbl = process.env.NODE_ENV === "production" && process.env.DBL ? new Api(process.env.DBL) : null;
const logger = winston.createLogger({
@ -117,6 +121,43 @@ async function dblPost() {
}
}
if (process.env.METRICS && process.env.METRICS !== "") {
const servers = [];
if (process.env.API_TYPE === "ws") {
const imageHosts = JSON.parse(readFileSync(new URL("../../config/servers.json", import.meta.url), { encoding: "utf8" })).image;
for (let { server } of imageHosts) {
if (!server.includes(":")) {
server += ":3762";
}
servers.push(server);
}
}
const httpServer = createServer(async (req, res) => {
if (req.method !== "GET") {
res.statusCode = 405;
return res.end("GET only");
}
res.write(`# HELP esmbot_command_count Number of times a command has been run
# TYPE esmbot_command_count counter
# HELP esmbot_server_count Number of servers/guilds the bot is in
# TYPE esmbot_server_count gauge
# HELP esmbot_shard_count Number of shards the bot has
# TYPE esmbot_shard_count gauge
`);
const counts = await database.getCounts();
for (const [i, w] of Object.entries(counts)) {
res.write(`esmbot_command_count{command="${i}"} ${w}\n`);
}
res.write(`esmbot_server_count ${serverCount}\n`);
res.write(`esmbot_shard_count ${shardCount}\n`);
res.end();
});
httpServer.listen(process.env.METRICS, () => {
logger.log("info", `Serving metrics at ${process.env.METRICS}`);
});
}
setInterval(updateStats, 300000);
if (dbl) setInterval(dblPost, 1800000);

66
utils/services/prometheus.js
View File

@ -1,66 +0,0 @@
import { BaseServiceWorker } from "eris-fleet";
import { createServer } from "http";
import { log } from "../logger.js";
import database from "../database.js";
class PrometheusWorker extends BaseServiceWorker {
constructor(setup) {
super(setup);
console.info = (str) => this.ipc.sendToAdmiral("info", str);
if (process.env.METRICS && process.env.METRICS !== "") {
this.httpServer = createServer(async (req, res) => {
if (req.method !== "GET") {
res.statusCode = 405;
return res.end("GET only");
}
res.write(`# HELP esmbot_command_count Number of times a command has been run
# TYPE esmbot_command_count counter
# HELP esmbot_server_count Number of servers/guilds the bot is in
# TYPE esmbot_server_count gauge
# HELP esmbot_shard_count Number of shards the bot has
# TYPE esmbot_shard_count gauge
`);
if (process.env.API_TYPE === "ws") {
const servers = await this.ipc.serviceCommand("image", { type: "stats" }, true);
res.write(`# HELP esmbot_connected_workers Number of workers connected
# TYPE esmbot_connected_workers gauge
esmbot_connected_workers ${servers.length}
# HELP esmbot_running_jobs Number of running jobs on this worker
# TYPE esmbot_running_jobs gauge
# HELP esmbot_queued_jobs Number of queued jobs on this worker
# TYPE esmbot_queued_jobs gauge
# HELP esmbot_max_jobs Number of max allowed jobs on this worker
# TYPE esmbot_max_jobs gauge
`);
for (const [i, w] of servers.entries()) {
res.write(`esmbot_running_jobs{worker="${i}"} ${w.runningJobs}\n`);
res.write(`esmbot_max_jobs{worker="${i}"} ${w.max}\n`);
}
}
const counts = await database.getCounts();
for (const [i, w] of Object.entries(counts)) {
res.write(`esmbot_command_count{command="${i}"} ${w}\n`);
}
const stats = await this.ipc.getStats();
res.write(`esmbot_server_count ${stats.guilds}\n`);
res.write(`esmbot_shard_count ${stats.shardCount}\n`);
res.end();
});
this.httpServer.listen(process.env.METRICS, () => {
log("info", `Serving metrics at ${process.env.METRICS}`);
});
}
this.serviceReady();
}
shutdown(done) {
if (this.httpServer) this.httpServer.close();
done();
}
}
export default PrometheusWorker;