Added more metrics. HTTP protocol only supported
This commit is contained in:
Eldwan Brianne
parent
7cbc8b8893
commit
86c12b3921
@ -1,113 +1,123 @@
|
||||
package adguard
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"log"
|
||||
"net/http"
|
||||
"os"
|
||||
"time"
|
||||
b64 "encoding/base64"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"log"
|
||||
"net/http"
|
||||
"os"
|
||||
"time"
|
||||
|
||||
"github.com/ebrianne/adguard-exporter/internal/metrics"
|
||||
"github.com/ebrianne/adguard-exporter/internal/metrics"
|
||||
)
|
||||
|
||||
var (
|
||||
statsURLPattern = "%s://%s:%d/control/stats"
|
||||
statsURLPattern = "%s://%s:%d/control/stats"
|
||||
)
|
||||
|
||||
// Client struct is a AdGuard client to request an instance of a AdGuard ad blocker.
|
||||
type Client struct {
|
||||
httpClient http.Client
|
||||
interval time.Duration
|
||||
protocol string
|
||||
hostname string
|
||||
port uint16
|
||||
username string
|
||||
password string
|
||||
sessionID string
|
||||
httpClient http.Client
|
||||
interval time.Duration
|
||||
protocol string
|
||||
hostname string
|
||||
port uint16
|
||||
b64password string
|
||||
}
|
||||
|
||||
// NewClient method initializes a new AdGuard client.
|
||||
func NewClient(protocol, hostname string, port uint16, username, password string, interval time.Duration) *Client {
|
||||
if protocol != "http" && protocol != "https" {
|
||||
log.Printf("protocol %s is invalid. Must be http or https.", protocol)
|
||||
os.Exit(1)
|
||||
}
|
||||
func NewClient(protocol, hostname string, port uint16, b64password string, interval time.Duration) *Client {
|
||||
if protocol != "http" {
|
||||
log.Printf("protocol %s is invalid. Must be http.", protocol)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
return &Client{
|
||||
protocol: protocol,
|
||||
hostname: hostname,
|
||||
port: port,
|
||||
username: username,
|
||||
password: password,
|
||||
interval: interval,
|
||||
httpClient: http.Client{
|
||||
CheckRedirect: func(req *http.Request, via []*http.Request) error {
|
||||
return http.ErrUseLastResponse
|
||||
},
|
||||
},
|
||||
}
|
||||
return &Client{
|
||||
protocol: protocol,
|
||||
hostname: hostname,
|
||||
port: port,
|
||||
b64password: b64password,
|
||||
interval: interval,
|
||||
httpClient: http.Client{},
|
||||
}
|
||||
}
|
||||
|
||||
// Scrape method authenticates and retrieves statistics from AdGuard JSON API
|
||||
// and then pass them as Prometheus metrics.
|
||||
func (c *Client) Scrape() {
|
||||
for range time.Tick(c.interval) {
|
||||
stats := c.getStatistics()
|
||||
for range time.Tick(c.interval) {
|
||||
stats := c.getStatistics()
|
||||
|
||||
c.setMetrics(stats)
|
||||
c.setMetrics(stats)
|
||||
|
||||
log.Printf("New tick of statistics: %s", stats.ToString())
|
||||
}
|
||||
log.Printf("New tick of statistics: %s", stats.ToString())
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Client) setMetrics(stats *Stats) {
|
||||
metrics.AvgProcessingTime.WithLabelValues(c.hostname).Set(float64(stats.AvgProcessingTime))
|
||||
metrics.AvgProcessingTime.WithLabelValues(c.hostname).Set(float64(stats.AvgProcessingTime))
|
||||
metrics.DnsQueries.WithLabelValues(c.hostname).Set(float64(stats.DnsQueries))
|
||||
metrics.BlockedFiltering.WithLabelValues(c.hostname).Set(float64(stats.BlockedFiltering))
|
||||
metrics.ParentalFiltering.WithLabelValues(c.hostname).Set(float64(stats.ParentalFiltering))
|
||||
metrics.SafeBrowsingFiltering.WithLabelValues(c.hostname).Set(float64(stats.SafeBrowsingFiltering))
|
||||
metrics.SafeSearchFiltering.WithLabelValues(c.hostname).Set(float64(stats.SafeSearchFiltering))
|
||||
|
||||
for l := range stats.TopQueries {
|
||||
for domain, value := range stats.TopQueries[l] {
|
||||
metrics.TopQueries.WithLabelValues(c.hostname, domain).Set(float64(value))
|
||||
}
|
||||
}
|
||||
|
||||
for l := range stats.TopBlocked {
|
||||
for domain, value := range stats.TopBlocked[l] {
|
||||
metrics.TopBlocked.WithLabelValues(c.hostname, domain).Set(float64(value))
|
||||
}
|
||||
}
|
||||
|
||||
for l := range stats.TopClients {
|
||||
for source, value := range stats.TopClients[l] {
|
||||
metrics.TopClients.WithLabelValues(c.hostname, source).Set(float64(value))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Client) getStatistics() *Stats {
|
||||
var stats Stats
|
||||
var stats Stats
|
||||
|
||||
statsURL := fmt.Sprintf(statsURLPattern, c.protocol, c.hostname, c.port)
|
||||
statsURL := fmt.Sprintf(statsURLPattern, c.protocol, c.hostname, c.port)
|
||||
|
||||
req, err := http.NewRequest("GET", statsURL, nil)
|
||||
if err != nil {
|
||||
log.Fatal("An error has occured when creating HTTP statistics request", err)
|
||||
}
|
||||
req, err := http.NewRequest("GET", statsURL, nil)
|
||||
if err != nil {
|
||||
log.Fatal("An error has occured when creating HTTP statistics request ", err)
|
||||
}
|
||||
|
||||
if c.isUsingPassword() {
|
||||
c.authenticateRequest(req)
|
||||
}
|
||||
if c.isUsingPassword() {
|
||||
c.authenticateRequest(req)
|
||||
}
|
||||
|
||||
resp, err := c.httpClient.Do(req)
|
||||
if err != nil {
|
||||
log.Printf("An error has occured during login to Adguard: %v", err)
|
||||
}
|
||||
|
||||
body, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
log.Println("Unable to read Adguard statistics HTTP response", err)
|
||||
}
|
||||
body, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
log.Println("Unable to read Adguard statistics HTTP response", err)
|
||||
}
|
||||
|
||||
err = json.Unmarshal(body, &stats)
|
||||
if err != nil {
|
||||
log.Println("Unable to unmarshal Adguard statistics to statistics struct model", err)
|
||||
}
|
||||
err = json.Unmarshal(body, &stats)
|
||||
if err != nil {
|
||||
log.Println("Unable to unmarshal Adguard statistics to statistics struct model", err)
|
||||
}
|
||||
|
||||
return &stats
|
||||
}
|
||||
|
||||
func (c *Client) basicAuth() string {
|
||||
auth := c.username + ":" + c.password
|
||||
return base64.StdEncoding.EncodeToString([]byte(auth))
|
||||
return &stats
|
||||
}
|
||||
|
||||
func (c *Client) isUsingPassword() bool {
|
||||
return len(c.password) > 0
|
||||
return len(c.b64password) > 0
|
||||
}
|
||||
|
||||
func (c *Client) authenticateRequest(req *http.Request) {
|
||||
req.Header.Add("Authorization", "Basic " + c.basicAuth())
|
||||
req.Header.Add("Authorization", "Basic " + c.b64password)
|
||||
}
|
||||
|
||||
@ -3,14 +3,22 @@ package adguard
|
||||
import "fmt"
|
||||
|
||||
const (
|
||||
enabledStatus = "enabled"
|
||||
enabledStatus = "enabled"
|
||||
)
|
||||
|
||||
type Stats struct {
|
||||
AvgProcessingTime float64 `json:"avg_processing_time"`
|
||||
AvgProcessingTime float64 `json:"avg_processing_time"`
|
||||
DnsQueries int `json:"num_dns_queries"`
|
||||
BlockedFiltering int `json:"num_blocked_filtering"`
|
||||
ParentalFiltering int `json:"num_replaced_parental"`
|
||||
SafeBrowsingFiltering int `json:"num_replaced_safebrowsing"`
|
||||
SafeSearchFiltering int `json:"num_replaced_safesearch"`
|
||||
TopQueries []map[string]int `json:"top_queried_domains"`
|
||||
TopBlocked []map[string]int `json:"top_blocked_domains"`
|
||||
TopClients []map[string]int `json:"top_clients"`
|
||||
}
|
||||
|
||||
// ToString method returns a string of the current statistics struct.
|
||||
func (s *Stats) ToString() string {
|
||||
return fmt.Sprintf("Average Processing Time %d s", s.AvgProcessingTime)
|
||||
return fmt.Sprintf("%d ads blocked / %d total DNS queries", s.BlockedFiltering, s.DnsQueries)
|
||||
}
|
||||
|
||||
@ -1,28 +1,108 @@
|
||||
package metrics
|
||||
|
||||
import (
|
||||
"log"
|
||||
"log"
|
||||
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
)
|
||||
|
||||
var (
|
||||
AvgProcessingTime = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "avg_processing_time",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the average processing time for a DNS query in s",
|
||||
},
|
||||
[]string{"hostname"},
|
||||
)
|
||||
AvgProcessingTime = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "avg_processing_time",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the average processing time for a DNS query in s",
|
||||
},
|
||||
[]string{"hostname"},
|
||||
)
|
||||
|
||||
DnsQueries = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "num_dns_queries",
|
||||
Namespace: "adguard",
|
||||
Help: "Number of DNS queries",
|
||||
},
|
||||
[]string{"hostname"},
|
||||
)
|
||||
|
||||
BlockedFiltering = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "num_blocked_filtering",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the number of domains blocked",
|
||||
},
|
||||
[]string{"hostname"},
|
||||
)
|
||||
|
||||
ParentalFiltering = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "num_replaced_parental",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the number of domains blocked (parental)",
|
||||
},
|
||||
[]string{"hostname"},
|
||||
)
|
||||
|
||||
SafeBrowsingFiltering = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "num_replaced_safebrowsing",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the number of domains blocked (safe browsing)",
|
||||
},
|
||||
[]string{"hostname"},
|
||||
)
|
||||
|
||||
SafeSearchFiltering = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "num_replaced_safesearch",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the number of domains blocked (safe search)",
|
||||
},
|
||||
[]string{"hostname"},
|
||||
)
|
||||
|
||||
TopQueries = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "top_queried_domains",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the top queried domains",
|
||||
},
|
||||
[]string{"hostname", "domain"},
|
||||
)
|
||||
|
||||
TopBlocked = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "top_blocked_domains",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the top bloacked domains",
|
||||
},
|
||||
[]string{"hostname", "domain"},
|
||||
)
|
||||
|
||||
TopClients = prometheus.NewGaugeVec(
|
||||
prometheus.GaugeOpts{
|
||||
Name: "top_clients",
|
||||
Namespace: "adguard",
|
||||
Help: "This represent the top clients",
|
||||
},
|
||||
[]string{"hostname", "client"},
|
||||
)
|
||||
)
|
||||
|
||||
// Init initializes all Prometheus metrics made available by AdGuard exporter.
|
||||
func Init() {
|
||||
initMetric("avg_processing_time", AvgProcessingTime)
|
||||
initMetric("avg_processing_time", AvgProcessingTime)
|
||||
initMetric("num_dns_queries", DnsQueries)
|
||||
initMetric("num_blocked_filtering", BlockedFiltering)
|
||||
initMetric("num_replaced_parental", ParentalFiltering)
|
||||
initMetric("num_replaced_safebrowsing", SafeBrowsingFiltering)
|
||||
initMetric("num_replaced_safesearch", SafeSearchFiltering)
|
||||
initMetric("top_queried_domains", TopQueries)
|
||||
initMetric("top_blocked_domains", TopBlocked)
|
||||
initMetric("top_clients", TopClients)
|
||||
}
|
||||
|
||||
func initMetric(name string, metric *prometheus.GaugeVec) {
|
||||
prometheus.MustRegister(metric)
|
||||
log.Printf("New Prometheus metric registered: %s", name)
|
||||
prometheus.MustRegister(metric)
|
||||
log.Printf("New Prometheus metric registered: %s", name)
|
||||
}
|
||||
|
||||
61
main.go
61
main.go
@ -1,53 +1,64 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"os/signal"
|
||||
"syscall"
|
||||
"time"
|
||||
"fmt"
|
||||
"os"
|
||||
"os/signal"
|
||||
"syscall"
|
||||
"time"
|
||||
"encoding/base64"
|
||||
|
||||
"github.com/ebrianne/adguard-exporter/config"
|
||||
"github.com/ebrianne/adguard-exporter/internal/metrics"
|
||||
"github.com/ebrianne/adguard-exporter/internal/adguard"
|
||||
"github.com/ebrianne/adguard-exporter/internal/server"
|
||||
"github.com/ebrianne/adguard-exporter/config"
|
||||
"github.com/ebrianne/adguard-exporter/internal/metrics"
|
||||
"github.com/ebrianne/adguard-exporter/internal/adguard"
|
||||
"github.com/ebrianne/adguard-exporter/internal/server"
|
||||
)
|
||||
|
||||
const (
|
||||
name = "adguard-exporter"
|
||||
name = "adguard-exporter"
|
||||
)
|
||||
|
||||
var (
|
||||
s *server.Server
|
||||
s *server.Server
|
||||
)
|
||||
|
||||
func main() {
|
||||
conf := config.Load()
|
||||
conf := config.Load()
|
||||
|
||||
metrics.Init()
|
||||
metrics.Init()
|
||||
|
||||
initAdguardClient(conf.AdguardProtocol, conf.AdguardHostname, conf.AdguardPort, conf.AdguardUsername, conf.AdguardPassword, conf.Interval)
|
||||
initHttpServer(conf.Port)
|
||||
initAdguardClient(conf.AdguardProtocol, conf.AdguardHostname, conf.AdguardPort, conf.AdguardUsername, conf.AdguardPassword, conf.Interval)
|
||||
initHttpServer(conf.Port)
|
||||
|
||||
handleExitSignal()
|
||||
handleExitSignal()
|
||||
}
|
||||
|
||||
func basicAuth(username, password string) string {
|
||||
auth := username + ":" + password
|
||||
return base64.StdEncoding.EncodeToString([]byte(auth))
|
||||
}
|
||||
|
||||
func initAdguardClient(protocol, hostname string, port uint16, username, password string, interval time.Duration) {
|
||||
client := adguard.NewClient(protocol, hostname, port, username, password, interval)
|
||||
go client.Scrape()
|
||||
b64password := ""
|
||||
if len(username) > 0 && len(password) > 0 {
|
||||
b64password = basicAuth(username, password)
|
||||
}
|
||||
|
||||
client := adguard.NewClient(protocol, hostname, port, b64password, interval)
|
||||
go client.Scrape()
|
||||
}
|
||||
|
||||
func initHttpServer(port string) {
|
||||
s = server.NewServer(port)
|
||||
go s.ListenAndServe()
|
||||
s = server.NewServer(port)
|
||||
go s.ListenAndServe()
|
||||
}
|
||||
|
||||
func handleExitSignal() {
|
||||
stop := make(chan os.Signal, 1)
|
||||
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
|
||||
stop := make(chan os.Signal, 1)
|
||||
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
|
||||
|
||||
<-stop
|
||||
<-stop
|
||||
|
||||
s.Stop()
|
||||
fmt.Println(fmt.Sprintf("\n%s HTTP server stopped", name))
|
||||
s.Stop()
|
||||
fmt.Println(fmt.Sprintf("\n%s HTTP server stopped", name))
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user