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