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csgo.go
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csgo.go
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//go:generate ../../../tools/readme_config_includer/generator
package csgo
import (
_ "embed"
"encoding/json"
"errors"
"strconv"
"strings"
"sync"
"time"
"github.com/james4k/rcon"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/inputs"
)
//go:embed sample.conf
var sampleConfig string
type statsData struct {
CPU float64 `json:"cpu"`
NetIn float64 `json:"net_in"`
NetOut float64 `json:"net_out"`
UptimeMinutes float64 `json:"uptime_minutes"`
Maps float64 `json:"maps"`
FPS float64 `json:"fps"`
Players float64 `json:"players"`
Sim float64 `json:"sv_ms"`
Variance float64 `json:"variance_ms"`
Tick float64 `json:"tick_ms"`
}
type CSGO struct {
Servers [][]string `toml:"servers"`
}
func (*CSGO) SampleConfig() string {
return sampleConfig
}
func (s *CSGO) Gather(acc telegraf.Accumulator) error {
var wg sync.WaitGroup
// Loop through each server and collect metrics
for _, server := range s.Servers {
wg.Add(1)
go func(ss []string) {
defer wg.Done()
acc.AddError(s.gatherServer(acc, ss, requestServer))
}(server)
}
wg.Wait()
return nil
}
func init() {
inputs.Add("csgo", func() telegraf.Input {
return &CSGO{}
})
}
func (s *CSGO) gatherServer(
acc telegraf.Accumulator,
server []string,
request func(string, string) (string, error),
) error {
if len(server) != 2 {
return errors.New("incorrect server config")
}
url, rconPw := server[0], server[1]
resp, err := request(url, rconPw)
if err != nil {
return err
}
rows := strings.Split(resp, "\n")
if len(rows) < 2 {
return errors.New("bad response")
}
fields := strings.Fields(rows[1])
if len(fields) != 10 {
return errors.New("bad response")
}
cpu, err := strconv.ParseFloat(fields[0], 32)
if err != nil {
return err
}
netIn, err := strconv.ParseFloat(fields[1], 64)
if err != nil {
return err
}
netOut, err := strconv.ParseFloat(fields[2], 64)
if err != nil {
return err
}
uptimeMinutes, err := strconv.ParseFloat(fields[3], 64)
if err != nil {
return err
}
maps, err := strconv.ParseFloat(fields[4], 64)
if err != nil {
return err
}
fps, err := strconv.ParseFloat(fields[5], 64)
if err != nil {
return err
}
players, err := strconv.ParseFloat(fields[6], 64)
if err != nil {
return err
}
svms, err := strconv.ParseFloat(fields[7], 64)
if err != nil {
return err
}
msVar, err := strconv.ParseFloat(fields[8], 64)
if err != nil {
return err
}
tick, err := strconv.ParseFloat(fields[9], 64)
if err != nil {
return err
}
now := time.Now()
stats := statsData{
CPU: cpu,
NetIn: netIn,
NetOut: netOut,
UptimeMinutes: uptimeMinutes,
Maps: maps,
FPS: fps,
Players: players,
Sim: svms,
Variance: msVar,
Tick: tick,
}
tags := map[string]string{
"host": url,
}
var statsMap map[string]interface{}
marshalled, err := json.Marshal(stats)
if err != nil {
return err
}
err = json.Unmarshal(marshalled, &statsMap)
if err != nil {
return err
}
acc.AddGauge("csgo", statsMap, tags, now)
return nil
}
func requestServer(url string, rconPw string) (string, error) {
remoteConsole, err := rcon.Dial(url, rconPw)
if err != nil {
return "", err
}
defer remoteConsole.Close()
reqID, err := remoteConsole.Write("stats")
if err != nil {
return "", err
}
resp, respReqID, err := remoteConsole.Read()
if err != nil {
return "", err
} else if reqID != respReqID {
return "", errors.New("response/request mismatch")
}
return resp, nil
}