Resolve "Improve security by enabling and enforcing more linting rules"

Description

See #242 (closed)

controller/nucleus/deviceService.go

@@ -13,6 +13,7 @@ import (
 	"github.com/openconfig/ygot/ygot"
 
 	tpb "code.fbi.h-da.de/danet/gosdn/api/go/gosdn/transport"
+	log "github.com/sirupsen/logrus"
 )
 
 const (
@@ -84,7 +85,10 @@ func (s *DeviceService) Add(deviceToAdd device.Device) error {
 		return err
 	}
 
-	s.eventService.PublishEvent(DeviceEventTopic, event.NewAddEvent(deviceToAdd.ID()))
+	if err := s.eventService.PublishEvent(DeviceEventTopic, event.NewAddEvent(deviceToAdd.ID())); err != nil {
+		//TODO: improve error handling, maybe to sth like reconnect
+		log.Error(err)
+	}
 
 	return nil
 }
@@ -113,7 +117,10 @@ func (s *DeviceService) UpdateModel(deviceToUpdate device.Device, modelAsString
 		return err
 	}
 
-	s.eventService.PublishEvent(DeviceEventTopic, event.NewUpdateEvent(deviceToUpdate.ID()))
+	if err := s.eventService.PublishEvent(DeviceEventTopic, event.NewUpdateEvent(deviceToUpdate.ID())); err != nil {
+		//TODO: improve error handling, maybe to sth like reconnect
+		log.Error(err)
+	}
 
 	return nil
 }
@@ -125,7 +132,10 @@ func (s *DeviceService) Update(deviceToUpdate device.Device) error {
 		return err
 	}
 
-	s.eventService.PublishEvent(DeviceEventTopic, event.NewUpdateEvent(deviceToUpdate.ID()))
+	if err := s.eventService.PublishEvent(DeviceEventTopic, event.NewUpdateEvent(deviceToUpdate.ID())); err != nil {
+		//TODO: improve error handling, maybe to sth like reconnect
+		log.Error(err)
+	}
 
 	return nil
 }
@@ -143,7 +153,10 @@ func (s *DeviceService) Delete(deviceToDelete device.Device) error {
 		}
 	}
 
-	s.eventService.PublishEvent(DeviceEventTopic, event.NewDeleteEvent(deviceToDelete.ID()))
+	if err := s.eventService.PublishEvent(DeviceEventTopic, event.NewDeleteEvent(deviceToDelete.ID())); err != nil {
+		//TODO: improve error handling, maybe to sth like reconnect
+		log.Error(err)
+	}
 
 	return nil
 }