service/*: log error only if nil

internal/services/configstore/configstore.go

@@ -255,12 +255,17 @@ func (s *Configstore) Run(ctx context.Context) error {
 	case <-ctx.Done():
 		log.Infof("configstore exiting")
 		httpServer.Close()
-		return nil
 	case err := <-lerrCh:
+		if err != nil {
 			log.Errorf("http server listen error: %+v", err)
 			return err
+		}
 	case err := <-errCh:
+		if err != nil {
 			log.Errorf("error: %+v", err)
 			return err
 		}
+	}
+
+	return nil
 }

internal/services/executor/executor.go

@@ -1429,9 +1429,12 @@ func (e *Executor) Run(ctx context.Context) error {
 	case <-ctx.Done():
 		log.Infof("runservice executor exiting")
 		httpServer.Close()
-		return nil
 	case err := <-lerrCh:
+		if err != nil {
 			log.Errorf("http server listen error: %v", err)
 			return err
 		}
+	}
+
+	return nil
 }

internal/services/gateway/gateway.go

@@ -333,9 +333,12 @@ func (g *Gateway) Run(ctx context.Context) error {
 	case <-ctx.Done():
 		log.Infof("configstore exiting")
 		httpServer.Close()
-		return nil
 	case err := <-lerrCh:
+		if err != nil {
 			log.Errorf("http server listen error: %v", err)
 			return err
 		}
+	}
+
+	return nil
 }

internal/services/gitserver/main.go

@@ -175,9 +175,12 @@ func (s *Gitserver) Run(ctx context.Context) error {
 	case <-ctx.Done():
 		log.Infof("gitserver exiting")
 		httpServer.Close()
-		return nil
 	case err := <-lerrCh:
+		if err != nil {
 			log.Errorf("http server listen error: %v", err)
 			return err
 		}
+	}
+
+	return nil
 }

internal/services/runservice/runservice.go

@@ -258,12 +258,17 @@ func (s *Runservice) Run(ctx context.Context) error {
 	case <-ctx.Done():
 		log.Infof("runservice scheduler exiting")
 		httpServer.Close()
-		return nil
 	case err := <-lerrCh:
+		if err != nil {
 			log.Errorf("http server listen error: %v", err)
 			return err
+		}
 	case err := <-errCh:
+		if err != nil {
 			log.Errorf("error: %+v", err)
 			return err
 		}
+	}
+
+	return nil
 }