unpoller_unpoller/main.go

264 lines
7.0 KiB
Go

package main
import (
"bytes"
"crypto/tls"
"encoding/json"
"errors"
"io/ioutil"
"log"
"net/http"
"net/http/cookiejar"
"os"
"time"
influx "github.com/influxdata/influxdb/client/v2"
)
var (
unifi *http.Client
stats influx.Client
)
// Response marshalls the payload from the controller.
type Response struct {
Data []Client
Meta struct {
Rc string
}
}
// DpiStat is for deep packet inspection stats.
type DpiStat struct {
App int64
Cat int64
RxBytes int64
RxPackets int64
TxBytes int64
TxPackets int64
}
// Client defines all the data a connected-network client contains.
type Client struct {
ID string `json:"_id"`
IsGuestByUAP bool `json:"_is_guest_by_uap"`
IsGuestByUGW bool `json:"_is_guest_by_ugw"`
LastSeenByUAP int64 `json:"_last_seen_by_uap"`
LastSeenByUGW int64 `json:"_last_seen_by_ugw"`
UptimeByUAP int64 `json:"_uptime_by_uap"`
UptimeByUGW int64 `json:"_uptime_by_ugw"`
ApMac string `json:"ap_mac"`
AssocTime int64 `json:"assoc_time"`
Authorized bool
Bssid string
BytesR int64 `json:"bytes-r"`
Ccq int64
Channel int64
DpiStats []DpiStat `json:"dpi_stats"`
DpiStatsLastUpdated int64 `json:"dpi_stats_last_updated"`
Essid string
FirstSeen int64 `json:"first_seen"`
FixedIP string `json:"fixed_ip"`
Hostname string `json:"hostname"`
GwMac string `json:"gw_mac"`
IdleTime int64 `json:"idle_time"`
IP string
IsGuest bool `json:"is_guest"`
IsWired bool `json:"is_wired"`
LastSeen int64 `json:"last_seen"`
LatestAssocTime int64 `json:"latest_assoc_time"`
Mac string
Name string
Network string
NetworkID string `json:"network_id"`
Noise int64
Oui string
PowersaveEnabled bool `json:"powersave_enabled"`
QosPolicyApplied bool `json:"qos_policy_applied"`
Radio string
RadioName string `json:"radio_name"`
RadioProto string `json:"radio_proto"`
RoamCount int64 `json:"roam_count"`
Rssi int64
RxBytes int64 `json:"rx_bytes"`
RxBytesR int64 `json:"rx_bytes-r"`
RxPackets int64 `json:"rx_packets"`
RxRate int64 `json:"rx_rate"`
Signal int64
SiteID string `json:"site_id"`
TxBytes int64 `json:"tx_bytes"`
TxBytesR int64 `json:"tx_bytes-r"`
TxPackets int64 `json:"tx_packets"`
TxPower int64 `json:"tx_power"`
TxRate int64 `json:"tx_rate"`
Uptime int64
UserID string `json:"user_id"`
Vlan int64
}
// Point generates a datapoint for InfluxDB.
func (c Client) Point() *influx.Point {
tags := map[string]string{
"mac": c.Mac,
"user_id": c.UserID,
"site_id": c.SiteID,
"ip": c.IP,
"essid": c.Essid,
"network": c.Network,
"ap_mac": c.ApMac,
"name": c.Name,
"hostname": c.Hostname,
"radio_name": c.RadioName,
}
fields := map[string]interface{}{
"is_guest_by_uap": c.IsGuestByUAP,
"is_guest_by_ugw": c.IsGuestByUGW,
"authorized": c.Authorized,
"last_seen_by_uap": c.LastSeenByUAP,
"last_seen_by_ugw": c.LastSeenByUGW,
"uptime_by_uap": c.UptimeByUAP,
"uptime_by_ugw": c.UptimeByUGW,
"assoc_time": c.AssocTime,
"bytes_r": c.BytesR,
"ccq": c.Ccq,
"channel": c.Channel,
"dpi_stats_last_updated": c.DpiStatsLastUpdated,
"first_seen": c.FirstSeen,
"idle_time": c.IdleTime,
"last_seen": c.LastSeen,
"latest_assoc_time": c.LatestAssocTime,
"noise": c.Noise,
"roam_count": c.RoamCount,
"rssi": c.Rssi,
"rx_bytes": c.RxBytes,
"rx_bytes_r": c.RxBytesR,
"rx_packets": c.RxPackets,
"rx_rate": c.RxRate,
"signal": c.Signal,
"tx_bytes": c.TxBytes,
"tx_bytes_r": c.TxBytesR,
"tx_packets": c.TxPackets,
"tx_power": c.TxPower,
"tx_rate": c.TxRate,
"uptime": c.Uptime,
"vlan": c.Vlan,
}
pt, err := influx.NewPoint("client_state", tags, fields, time.Now())
if err != nil {
log.Println("Error creating point:", err)
return nil
}
return pt
}
func main() {
var err error
tickRate := os.Getenv("TICK_RATE")
interval, err := time.ParseDuration(tickRate)
if err != nil {
panic(err)
}
unifi, err = login()
if err != nil {
panic(err)
}
database := os.Getenv("INFLUXDB_DATABASE")
stats, err = influx.NewHTTPClient(influx.HTTPConfig{
Addr: os.Getenv("INFLUXDB_ADDR"),
Username: os.Getenv("INFLUXDB_USERNAME"),
Password: os.Getenv("INFLUXDB_PASSWORD"),
})
if err != nil {
panic(err)
}
log.Printf("Starting to poll Unifi every %+v\n", interval)
for {
devices, err := fetch()
if err != nil {
log.Println(err)
} else {
bp, _ := influx.NewBatchPoints(influx.BatchPointsConfig{
Database: database,
})
for _, device := range devices {
bp.AddPoint(device.Point())
}
if err = stats.Write(bp); err != nil {
log.Println(err)
}
log.Println("Logged client state...")
}
time.Sleep(interval)
}
}
func fetch() ([]Client, error) {
url := "https://" + os.Getenv("UNIFI_ADDR") + ":" + os.Getenv("UNIFI_PORT") + "/api/s/default/stat/sta"
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return nil, err
}
req.Header.Add("Accept", "application/json")
resp, err := unifi.Do(req)
if err != nil {
return nil, err
}
defer func() {
if err = resp.Body.Close(); err != nil {
log.Println("Error closing http respond body:", err)
}
}()
body, _ := ioutil.ReadAll(resp.Body)
response := &Response{}
err = json.Unmarshal(body, response)
if err != nil {
return nil, err
}
return response.Data, nil
}
func login() (*http.Client, error) {
url := "https://" + os.Getenv("UNIFI_ADDR") + ":" + os.Getenv("UNIFI_PORT") + "/api/login"
auth := map[string]string{
"username": os.Getenv("UNIFI_USERNAME"),
"password": os.Getenv("UNIFI_PASSWORD"),
}
transport := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
jar, _ := cookiejar.New(nil)
client := &http.Client{
Transport: transport,
Jar: jar,
}
json, _ := json.Marshal(auth)
params := bytes.NewReader(json)
req, err := http.NewRequest("POST", url, params)
if err != nil {
return nil, err
}
req.Header.Add("Accept", "application/json")
resp, err := client.Do(req)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
return nil, errors.New("Error Authenticating with Controller")
}
return client, nil
}