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fritzDocsis.go
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package main
import (
"flag"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/philippfranke/go-fritzbox/fritzbox"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
log "github.com/sirupsen/logrus"
)
type docInfo struct {
Pid string `json:"pid"`
Hide struct {
Wps bool `json:"wps"`
ShareUsb bool `json:"shareUsb"`
LiveTv bool `json:"liveTv"`
FaxSet bool `json:"faxSet"`
WGuest bool `json:"wGuest"`
DectMoniEx bool `json:"dectMoniEx"`
Rss bool `json:"rss"`
Mobile bool `json:"mobile"`
WKey bool `json:"wKey"`
SsoSet bool `json:"ssoSet"`
DectMail bool `json:"dectMail"`
DectMoni bool `json:"dectMoni"`
Chan bool `json:"chan"`
LiveImg bool `json:"liveImg"`
} `json:"hide"`
Time []interface{} `json:"time"`
Data struct {
ChannelDs struct {
Docsis31 []struct {
PowerLevel string `json:"powerLevel"`
Type string `json:"type"`
Channel int `json:"channel"`
ChannelID int `json:"channelID"`
Frequency string `json:"frequency"`
} `json:"docsis31"`
Docsis30 []struct {
Type string `json:"type"`
CorrErrors float64 `json:"corrErrors"`
Mse string `json:"mse"`
PowerLevel string `json:"powerLevel"`
Channel int `json:"channel"`
NonCorrErrors float64 `json:"nonCorrErrors"`
Latency float64 `json:"latency"`
ChannelID int `json:"channelID"`
Frequency string `json:"frequency"`
} `json:"docsis30"`
} `json:"channelDs"`
Oem string `json:"oem"`
ChannelUs struct {
Docsis31 []struct {
PowerLevel string `json:"powerLevel"`
Type string `json:"type"`
Channel int `json:"channel"`
ChannelID int `json:"channelID"`
Frequency string `json:"frequency"`
} `json:"docsis31"`
Docsis30 []struct {
PowerLevel string `json:"powerLevel"`
Type string `json:"type"`
Channel int `json:"channel"`
Multiplex string `json:"multiplex"`
ChannelID int `json:"channelID"`
Frequency string `json:"frequency"`
} `json:"docsis30"`
} `json:"channelUs"`
} `json:"data"`
Sid string `json:"sid"`
}
func startPrometheusExporter() {
http.Handle("/metrics", promhttp.Handler())
log.Info("Starting Exporter on Port 2112")
log.WithError(http.ListenAndServe(":2112", nil)).Fatal("Issues with serving exporter on port")
}
func collectFritzMetrics(client *fritzbox.Client) (docInfo, error) {
requestValues := url.Values{}
requestValues.Add("page", "docInfo")
request, err := client.NewRequest("POST", "data.lua", requestValues)
if err != nil {
log.WithError(err).Fatal("Issues creating fritzbox request")
}
var data docInfo
_, err = client.Do(request, &data)
if err != nil {
log.WithError(err).Fatal("Issues getting fritzbox response")
}
return data, nil
}
var (
data docInfo
correctableErrors = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "fritz_channel_correctable_errors",
Help: "The total number of correctable errors on the channel",
},
[]string{"channel", "channelID", "direction", "frequency", "docsisVersion"})
uncorrectableErrors = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "fritz_channel_uncorrectable_errors",
Help: "The total number of uncorrectable errors on the channel",
},
[]string{"channel", "channelID", "direction", "frequency", "docsisVersion"})
mse = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "fritz_channel_mse",
Help: "The current Mean Squared Error of the channel",
},
[]string{"channel", "channelID", "direction", "frequency", "docsisVersion"})
powerLevel = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "fritz_channel_power_level",
Help: "The current power level of the channel",
},
[]string{"channel", "channelID", "direction", "frequency", "docsisVersion"})
connectionType = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "fritz_channel_connection_type",
Help: "The current QAM type of the channel",
},
[]string{"channel", "channelID", "direction", "frequency", "docsisVersion"})
)
func setMetrics(data *docInfo) {
for _, channel := range data.Data.ChannelDs.Docsis30 {
labels := prometheus.Labels{
"channel": strconv.Itoa(channel.Channel),
"channelID": strconv.Itoa(channel.ChannelID),
"direction": "downstream",
"frequency": channel.Frequency,
"docsisVersion": "3.0",
}
correctableErrors.With(labels).Set(float64(channel.CorrErrors))
uncorrectableErrors.With(labels).Set(float64(channel.NonCorrErrors))
mseData, _ := strconv.ParseFloat(channel.Mse, 64)
powerLevelData, _ := strconv.ParseFloat(channel.PowerLevel, 64)
mse.With(labels).Set(mseData)
powerLevel.With(labels).Set(powerLevelData)
connectionTypeData, _ := strconv.ParseFloat(strings.TrimSuffix(channel.Type, "QAM"), 64)
connectionType.With(labels).Set(connectionTypeData)
}
for _, channel := range data.Data.ChannelDs.Docsis31 {
labels := prometheus.Labels{
"channel": strconv.Itoa(channel.Channel),
"channelID": strconv.Itoa(channel.ChannelID),
"direction": "downstream",
"frequency": channel.Frequency,
"docsisVersion": "3.1",
}
powerLevelData, _ := strconv.ParseFloat(channel.PowerLevel, 64)
powerLevel.With(labels).Set(powerLevelData)
connectionTypeData, _ := strconv.ParseFloat(strings.TrimSuffix(channel.Type, "K"), 64)
connectionTypeData *= 1024
connectionType.With(labels).Set(connectionTypeData)
}
for _, channel := range data.Data.ChannelUs.Docsis30 {
labels := prometheus.Labels{
"channel": strconv.Itoa(channel.Channel),
"channelID": strconv.Itoa(channel.ChannelID),
"direction": "upstream",
"frequency": channel.Frequency,
"docsisVersion": "3.0",
}
powerLevelData, _ := strconv.ParseFloat(channel.PowerLevel, 64)
powerLevel.With(labels).Set(powerLevelData)
connectionTypeData, _ := strconv.ParseFloat(strings.TrimSuffix(channel.Type, "QAM"), 64)
connectionType.With(labels).Set(connectionTypeData)
}
for _, channel := range data.Data.ChannelUs.Docsis31 {
labels := prometheus.Labels{
"channel": strconv.Itoa(channel.Channel),
"channelID": strconv.Itoa(channel.ChannelID),
"direction": "upstream",
"frequency": channel.Frequency,
"docsisVersion": "3.1",
}
powerLevelData, _ := strconv.ParseFloat(channel.PowerLevel, 64)
powerLevel.With(labels).Set(powerLevelData)
connectionTypeData, _ := strconv.ParseFloat(strings.TrimSuffix(channel.Type, "K"), 64)
connectionTypeData *= 1024
connectionType.With(labels).Set(connectionTypeData)
}
}
func main() {
flagFritzURL := flag.String("url", "http://192.168.178.1", "URL of Fritzbox")
flagUsername := flag.String("username", "", "Username used for FritzBox authentication [Required]")
flagPassword := flag.String("password", "", "Password used for FritzBox authentication [Required]")
flag.Parse()
if *flagUsername == "" || *flagPassword == "" {
log.Fatal("Username and Password need to be supplied")
}
client := fritzbox.NewClient(nil)
client.BaseURL, _ = url.Parse(*flagFritzURL)
err := client.Auth(*flagUsername, *flagPassword)
if err != nil {
log.WithError(err).Fatal("Could not log in")
}
go func() {
for {
data, err = collectFritzMetrics(client)
setMetrics(&data)
time.Sleep(2 * time.Second)
}
}()
startPrometheusExporter()
}