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December 1, 2018 07:24
Rust server stats to InfluxDB
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#!/usr/bin/env node | |
'use strict'; | |
const Websocket = require('ws'); | |
const async = require('async'); | |
const Influx = require('influx'); | |
const once = require('once'); | |
const toml = require('toml'); | |
const fs = require('fs'); | |
let config = null; | |
let influx = null; | |
const cargo = async.cargo((buffer, cb) => influx.writePoints(buffer).then(cb).catch(err => console.log('InfluxDB error:', err) + cb(err))); | |
const influxschema = [{ | |
measurement: null, | |
tags: [ | |
'Hostname', | |
'Map', | |
'Name' | |
], | |
fields: { | |
MaxPlayers: Influx.FieldType.INTEGER, | |
Players: Influx.FieldType.INTEGER, | |
Queued: Influx.FieldType.INTEGER, | |
Joining: Influx.FieldType.INTEGER, | |
EntityCount: Influx.FieldType.INTEGER, | |
Uptime: Influx.FieldType.INTEGER, | |
Framerate: Influx.FieldType.INTEGER, | |
Memory: Influx.FieldType.INTEGER, | |
Collections: Influx.FieldType.INTEGER, | |
NetworkIn: Influx.FieldType.INTEGER, | |
NetworkOut: Influx.FieldType.INTEGER, | |
Restarting: Influx.FieldType.BOOLEAN | |
} | |
}]; | |
const poll = serverconfig => { | |
let timer = null; | |
let timeouttimer = null; | |
const reopen = once((...msg) => { | |
ws.close(); | |
clearInterval(timer); | |
clearTimeout(timeouttimer); | |
timer = null; | |
timeouttimer = null; | |
console.log.apply(null, msg); | |
setTimeout(poll.bind(null, serverconfig), 5000) | |
}); | |
const resettimeout = timeout => { | |
timeouttimer = setTimeout(reopen.bind(null, `Websocket for ${serverconfig.name} (ws://${serverconfig.host}:${serverconfig.port}/***) timed out`), timeout || serverconfig.timeout || (serverconfig.pollinterval * 10) || 30000); | |
}; | |
const ws = new Websocket(`ws://${serverconfig.host}:${serverconfig.port}/${serverconfig.pass}`); | |
ws.once('close', reopen.bind(null, `Websocket for ${serverconfig.name} (ws://${serverconfig.host}:${serverconfig.port}/***) was closed`)); | |
ws.once('error', reopen.bind(null, `Error emitted on Websocket for ${serverconfig.name} (ws://${serverconfig.host}:${serverconfig.port}/***):`)); | |
resettimeout(300000); | |
ws.on('message', msg => { | |
let data = null; | |
try { | |
data = JSON.parse(JSON.parse(msg).Message); | |
} catch(e) { | |
// do nothing | |
} | |
if (!data || !data.Hostname || !data.Map) return; | |
clearTimeout(timeouttimer); | |
resettimeout(); | |
cargo.push({ | |
measurement: Object.keys(influx.schema[Object.keys(influx.schema)[0]])[0], | |
tags: { | |
Hostname: data.Hostname, | |
Map: data.Map, | |
Name: serverconfig.name | |
}, fields: { | |
MaxPlayers: data.MaxPlayers, | |
Players: data.Players, | |
Queued: data.Queued, | |
Joining: data.Joining, | |
EntityCount: data.EntityCount, | |
Uptime: data.Uptime, | |
Framerate: data.Framerate, | |
Memory: data.Memory, | |
Collections: data.Collections, | |
NetworkIn: data.NetworkIn, | |
NetworkOut: data.NetworkOut, | |
Restarting: data.Restarting | |
}, | |
timestamp: new Date() | |
}); | |
}); | |
ws.once('open', () => { | |
ws.once('message', msg => { | |
timer = setInterval(() => { | |
ws.send(JSON.stringify({ | |
Message: 'serverinfo', | |
Name: 'InfluxDB' | |
})); | |
}, serverconfig.pollinterval || 1000); | |
console.log(`Polling from ${serverconfig.name} (ws://${serverconfig.host}:${serverconfig.port}/***)`); | |
}); | |
ws.send(JSON.stringify({ | |
Message: 'serverinfo', | |
Name: 'InfluxDB' | |
})); | |
}); | |
}; | |
fs.readFile('./ruststats.toml', (err, data) => { | |
if (err) throw err; | |
config = toml.parse(data.toString('utf8')); | |
const influxconfig = config.influxdb; | |
influxconfig.schema = influxschema; | |
influxconfig.schema[0].measurement = config.influxdb.measurement; | |
influx = new Influx.InfluxDB(influxconfig); | |
config.server.forEach(poll); | |
}); |
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[influxdb] | |
database = "influxdb" | |
host = "localhost" | |
port = 8086 | |
username = "username" | |
password = "password" | |
measurement = "rust" | |
[[server]] | |
name = "server1" | |
host = "123.45.67.89" | |
port = 28016 | |
pass = "CHANGEME" | |
pollinterval = 500 | |
[[server]] | |
name = "server2" | |
host = "also-supports-hostnames.example.com" | |
port = 28018 | |
pass = "CHANGEMEAGAIN" | |
pollinterval = 1000 | |
timeout = 15000 |
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