feat: Add more logging to the metrics code

internal/pages/metrics.go

@@ -2,6 +2,7 @@ package pages
 
 import (
 	"encoding/json"
+	"io/ioutil"
 	"net/http"
 	"strconv"
 	"strings"
@@ -45,12 +46,29 @@ func (c *LokiMetricConfig) sendMetricPing(domain, path string) {
 		return
 	}
 
+	log.Debugf("Sending payload %s", string(jsonData))
+
 	// Send the ping to the Loki server
 	go func() {
-		http.Post(
+		res, err := http.Post(
 			c.Url,
 			"application/json",
 			strings.NewReader(string(jsonData)),
 		)
+		if err != nil {
+			log.Errorf("Failed to send payload to Loki: %v", err)
+			return
+		}
+
+		defer res.Body.Close()
+		if res.StatusCode != 204 {
+			log.Errorf("Loki returned non-204 status code %d", res.StatusCode)
+			body, err := ioutil.ReadAll(res.Body)
+			if err != nil {
+				log.Warnf("Failed to read body. No more specific error message")
+				return
+			}
+			log.Errorf("-> %s", body)
+		}
 	}()
 }