Starting skeleton for getting log stats
This commit is contained in:
Eldwan Brianne
parent
66fe812e97
commit
e770c7fc00
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@ -1,123 +1,169 @@
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package adguard
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"time"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"time"
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"github.com/ebrianne/adguard-exporter/internal/metrics"
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"github.com/ebrianne/adguard-exporter/internal/metrics"
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)
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var (
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statsURLPattern = "%s://%s:%d/control/stats"
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statsURLPattern = "%s://%s:%d/control/stats"
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logstatsURLPattern = "%s://%s:%d/control/querylog"
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)
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// Client struct is a AdGuard client to request an instance of a AdGuard ad blocker.
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type Client struct {
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httpClient http.Client
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interval time.Duration
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protocol string
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hostname string
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port uint16
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b64password string
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httpClient http.Client
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interval time.Duration
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protocol string
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hostname string
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port uint16
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b64password string
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}
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// NewClient method initializes a new AdGuard client.
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func NewClient(protocol, hostname string, port uint16, b64password string, interval time.Duration) *Client {
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if protocol != "http" {
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log.Printf("protocol %s is invalid. Must be http.", protocol)
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os.Exit(1)
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}
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if protocol != "http" {
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log.Printf("protocol %s is invalid. Must be http.", protocol)
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os.Exit(1)
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}
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return &Client{
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protocol: protocol,
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hostname: hostname,
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port: port,
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b64password: b64password,
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interval: interval,
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httpClient: http.Client{},
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}
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return &Client{
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protocol: protocol,
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hostname: hostname,
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port: port,
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b64password: b64password,
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interval: interval,
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httpClient: http.Client{},
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}
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}
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// Scrape method authenticates and retrieves statistics from AdGuard JSON API
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// and then pass them as Prometheus metrics.
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func (c *Client) Scrape() {
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for range time.Tick(c.interval) {
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stats := c.getStatistics()
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for range time.Tick(c.interval) {
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c.setMetrics(stats)
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//Get the general stats
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stats := c.getStatistics()
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c.setMetrics(stats)
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log.Printf("New tick of statistics: %s", stats.ToString())
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}
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//Get the log stats
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logstats := c.getLogStatistics()
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c.setLogMetrics(logstats)
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log.Printf("New tick of statistics: %s", stats.ToString())
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}
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}
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// Function to set the general stats
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func (c *Client) setMetrics(stats *Stats) {
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metrics.AvgProcessingTime.WithLabelValues(c.hostname).Set(float64(stats.AvgProcessingTime))
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metrics.DnsQueries.WithLabelValues(c.hostname).Set(float64(stats.DnsQueries))
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metrics.BlockedFiltering.WithLabelValues(c.hostname).Set(float64(stats.BlockedFiltering))
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metrics.ParentalFiltering.WithLabelValues(c.hostname).Set(float64(stats.ParentalFiltering))
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metrics.SafeBrowsingFiltering.WithLabelValues(c.hostname).Set(float64(stats.SafeBrowsingFiltering))
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metrics.SafeSearchFiltering.WithLabelValues(c.hostname).Set(float64(stats.SafeSearchFiltering))
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metrics.AvgProcessingTime.WithLabelValues(c.hostname).Set(float64(stats.AvgProcessingTime))
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metrics.DnsQueries.WithLabelValues(c.hostname).Set(float64(stats.DnsQueries))
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metrics.BlockedFiltering.WithLabelValues(c.hostname).Set(float64(stats.BlockedFiltering))
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metrics.ParentalFiltering.WithLabelValues(c.hostname).Set(float64(stats.ParentalFiltering))
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metrics.SafeBrowsingFiltering.WithLabelValues(c.hostname).Set(float64(stats.SafeBrowsingFiltering))
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metrics.SafeSearchFiltering.WithLabelValues(c.hostname).Set(float64(stats.SafeSearchFiltering))
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for l := range stats.TopQueries {
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for domain, value := range stats.TopQueries[l] {
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metrics.TopQueries.WithLabelValues(c.hostname, domain).Set(float64(value))
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}
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}
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for l := range stats.TopQueries {
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for domain, value := range stats.TopQueries[l] {
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metrics.TopQueries.WithLabelValues(c.hostname, domain).Set(float64(value))
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}
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}
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for l := range stats.TopBlocked {
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for domain, value := range stats.TopBlocked[l] {
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metrics.TopBlocked.WithLabelValues(c.hostname, domain).Set(float64(value))
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}
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}
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for l := range stats.TopBlocked {
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for domain, value := range stats.TopBlocked[l] {
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metrics.TopBlocked.WithLabelValues(c.hostname, domain).Set(float64(value))
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}
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}
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for l := range stats.TopClients {
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for source, value := range stats.TopClients[l] {
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metrics.TopClients.WithLabelValues(c.hostname, source).Set(float64(value))
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}
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}
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for l := range stats.TopClients {
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for source, value := range stats.TopClients[l] {
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metrics.TopClients.WithLabelValues(c.hostname, source).Set(float64(value))
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}
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}
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}
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// Function to get the general stats
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func (c *Client) getStatistics() *Stats {
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var stats Stats
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var stats Stats
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statsURL := fmt.Sprintf(statsURLPattern, c.protocol, c.hostname, c.port)
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statsURL := fmt.Sprintf(statsURLPattern, c.protocol, c.hostname, c.port)
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req, err := http.NewRequest("GET", statsURL, nil)
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if err != nil {
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log.Fatal("An error has occurred when creating HTTP statistics request ", err)
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}
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req, err := http.NewRequest("GET", statsURL, nil)
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if err != nil {
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log.Fatal("An error has occurred when creating HTTP statistics request ", err)
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}
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if c.isUsingPassword() {
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c.authenticateRequest(req)
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}
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if c.isUsingPassword() {
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c.authenticateRequest(req)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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log.Printf("An error has occurred during login to Adguard: %v", err)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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log.Printf("An error has occurred during login to Adguard: %v", err)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Println("Unable to read Adguard statistics HTTP response", err)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Println("Unable to read Adguard statistics HTTP response", err)
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}
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err = json.Unmarshal(body, &stats)
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if err != nil {
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log.Println("Unable to unmarshal Adguard statistics to statistics struct model", err)
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}
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err = json.Unmarshal(body, &stats)
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if err != nil {
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log.Println("Unable to unmarshal Adguard statistics to statistics struct model", err)
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}
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return &stats
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return &stats
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}
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func (c *Client) isUsingPassword() bool {
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return len(c.b64password) > 0
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return len(c.b64password) > 0
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}
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func (c *Client) authenticateRequest(req *http.Request) {
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req.Header.Add("Authorization", "Basic "+c.b64password)
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req.Header.Add("Authorization", "Basic "+c.b64password)
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}
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// Function to get the log metrics
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func (c *Client) setLogMetrics(logstats *LogStats) {
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}
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// Function to get the log stats
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func (c *Client) getLogStatistics() *LogStats {
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var logstats LogStats
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logstatsURL := fmt.Sprintf(logstatsURLPattern, c.protocol, c.hostname, c.port)
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req, err := http.NewRequest("GET", statsURL, nil)
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if err != nil {
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log.Fatal("An error has occurred when creating HTTP statistics request ", err)
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}
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if c.isUsingPassword() {
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c.authenticateRequest(req)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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log.Printf("An error has occurred during login to Adguard: %v", err)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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log.Println("Unable to read Adguard statistics HTTP response", err)
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}
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// err = json.Unmarshal(body, &logstats)
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// if err != nil {
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// log.Println("Unable to unmarshal Adguard log statistics to log statistics struct model", err)
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// }
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return &logstats
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}
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@ -15,6 +15,11 @@ type Stats struct {
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TopClients []map[string]int `json:"top_clients"`
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}
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// LogStats struct for the Adguard log statistics JSON API corresponding model.
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type LogStats struct {
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}
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// ToString method returns a string of the current statistics struct.
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func (s *Stats) ToString() string {
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return fmt.Sprintf("%d ads blocked / %d total DNS queries", s.BlockedFiltering, s.DnsQueries)
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