cleanup and refactor health service

cmd/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"net/http"
 	"time"
 
 	"git.uploadfilter24.eu/covidnetes/canada-kaktus/internal"
@@ -20,11 +21,13 @@ func main() {
 		}).Fatal(fmt.Sprintf("Error generating Config: %s", err.Error()))
 	}
 
+	hs := internal.NewHealthServer()
+
 	go func() {
 		log.WithFields(log.Fields{
 			"Caller": "Main",
 		}).Info("Starting Health Endpoint")
-		internal.StartHealthEndpoint()
+		hs.Start()
 	}()
 
 	log.WithFields(log.Fields{
@@ -37,18 +40,21 @@ func main() {
 			log.WithFields(log.Fields{
 				"Caller": "Main",
 			}).Error(fmt.Sprintf("Error getting all Nodes: %s", err.Error()))
+			hs.SetHealthState(http.StatusServiceUnavailable)
 		}
 		ips, err := internal.GetAllIps(servers)
 		if err != nil {
 			log.WithFields(log.Fields{
 				"Caller": "Main",
 			}).Error(fmt.Sprintf("Error getting all IPs: %s", err.Error()))
+			hs.SetHealthState(http.StatusServiceUnavailable)
 		}
 		err = internal.RecreateIPPoolCrd(cfg, "covidnetes-pool", ips)
 		if err != nil {
 			log.WithFields(log.Fields{
 				"Caller": "Main",
 			}).Error(fmt.Sprintf("Error recreating IP Pool CRD: %s", err.Error()))
+			hs.SetHealthState(http.StatusServiceUnavailable)
 		} else {
 			log.WithFields(log.Fields{
 				"Caller": "Main",