Add support for headers, method, body and json path with arrays

main.go

@@ -3,7 +3,6 @@ package main
 import (
 	"encoding/json"
 	"github.com/TwinProduction/gatus/config"
-	"github.com/TwinProduction/gatus/core"
 	"github.com/TwinProduction/gatus/watchdog"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"log"
@@ -13,7 +12,6 @@ import (
 
 func main() {
 	cfg := loadConfiguration()
-	go watchdog.Monitor(cfg)
 	http.HandleFunc("/api/v1/results", serviceResultsHandler)
 	http.HandleFunc("/health", healthHandler)
 	http.Handle("/", http.FileServer(http.Dir("./static")))
@@ -21,6 +19,7 @@ func main() {
 		http.Handle("/metrics", promhttp.Handler())
 	}
 	log.Println("[main][main] Listening on port 8080")
+	go watchdog.Monitor(cfg)
 	log.Fatal(http.ListenAndServe(":8080", nil))
 }
 
@@ -40,21 +39,20 @@ func loadConfiguration() *config.Config {
 
 func serviceResultsHandler(writer http.ResponseWriter, _ *http.Request) {
 	serviceResults := watchdog.GetServiceResults()
+	data, err := json.Marshal(serviceResults)
+	if err != nil {
+		log.Printf("[main][serviceResultsHandler] Unable to marshall object to JSON: %s", err.Error())
+		writer.WriteHeader(http.StatusInternalServerError)
+		_, _ = writer.Write([]byte("Unable to marshall object to JSON"))
+		return
+	}
 	writer.Header().Add("Content-type", "application/json")
 	writer.WriteHeader(http.StatusOK)
-	_, _ = writer.Write(structToJsonBytes(serviceResults))
+	_, _ = writer.Write(data)
 }
 
 func healthHandler(writer http.ResponseWriter, _ *http.Request) {
 	writer.Header().Add("Content-type", "application/json")
 	writer.WriteHeader(http.StatusOK)
-	_, _ = writer.Write(structToJsonBytes(&core.HealthStatus{Status: "UP"}))
-}
-
-func structToJsonBytes(obj interface{}) []byte {
-	bytes, err := json.Marshal(obj)
-	if err != nil {
-		log.Printf("[main][structToJsonBytes] Unable to marshall object to JSON: %s", err.Error())
-	}
-	return bytes
+	_, _ = writer.Write([]byte("{\"status\":\"UP\"}"))
 }