Resolve "Credentials returned after registering an app are hard coded, which...

Resolve "Credentials returned after registering an app are hard coded, which causes problems if RabbitMQ is not hosted on localhost"

See merge request danet/gosdn!755

controller/app/Service.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 
+	"code.fbi.h-da.de/danet/gosdn/controller/config"
 	"code.fbi.h-da.de/danet/gosdn/controller/store"
 	"github.com/google/uuid"
 )
@@ -66,7 +67,7 @@ func (a *Service) createNewApp(appName string) (*App, error) {
 	app := App{
 		ID:                     uuid.New(),
 		Name:                   appName,
-		EventSystemCredentials: "amqp://guest:guest@127.0.0.1:5672",
+		EventSystemCredentials: buildQueueCredentials(),
 	}
 
 	// generate app credentials
@@ -77,3 +78,7 @@ func (a *Service) createNewApp(appName string) (*App, error) {
 
 	return &app, nil
 }
+
+func buildQueueCredentials() string {
+	return fmt.Sprintf("%s%s:%s@%s:%s/", config.AMQPPrefix, config.AMQPUser, config.AMQPPassword, config.AMQPHost, config.AMQPPort)
+}

integration-tests/application_tests/appUtility_test.go

@@ -14,6 +14,7 @@ import (
 )
 
 const localhost = "127.0.0.1"
+const rabbitmq = "rabbitmq"
 
 // Application is an example for a sdn application.
 type Application struct {
@@ -33,8 +34,8 @@ func NewApplication(ctx context.Context, grpcClientConn *grpc.ClientConn, contro
 		os.Exit(1)
 	}
 
-	if rabbitMQAddress != "" {
-		queueCredentials = strings.ReplaceAll(queueCredentials, localhost, rabbitMQAddress)
+	if rabbitMQAddress == "" {
+		queueCredentials = strings.ReplaceAll(queueCredentials, rabbitmq, localhost)
 	}
 
 	eventService, err := event.NewEventService(