feat: use hostname to query nextcloud version

apps/nextcloud.go

@@ -2,17 +2,24 @@ package apps
 
 import (
 	"encoding/json"
+	"fmt"
 	"net/http"
+	"os"
 
 	"github.com/prometheus/client_golang/prometheus"
 )
 
 type apiResponse struct {
-	version string
+	Version string `json:"version"`
 }
 
 func Nextcloud(m Metrics) {
-	var resp, err = http.Get("http://localhost:9000/status.php")
+	hostname, err := os.Hostname()
+	if err != nil {
+		return
+	}
+
+	resp, err := http.Get(fmt.Sprintf("https://%s/status.php", hostname))
 	if err != nil {
 		return
 	}
@@ -21,5 +28,5 @@ func Nextcloud(m Metrics) {
 	var res = apiResponse{}
 	json.NewDecoder(resp.Body).Decode(&res)
 
-	m.Nextcloud.With(prometheus.Labels{"version": res.version}).Set(1)
+	m.Nextcloud.With(prometheus.Labels{"version": res.Version}).Set(1)
 }