func()

in controllers/daemon/staticgatewayconfiguration_controller.go [929:954]

• 26 lines of code
• 10 McCabe index (conditional complexity)

func (r *StaticGatewayConfigurationReconciler) addOrReplaceRoute(ctx context.Context, route *netlink.Route) error {
	log := log.FromContext(ctx)
	equalRoute := func(r1, r2 *netlink.Route) bool {
		size1, _ := to.Val(r1.Dst).Mask.Size()
		size2, _ := to.Val(r2.Dst).Mask.Size()
		return r1.LinkIndex == r2.LinkIndex && r1.Scope == r2.Scope &&
			to.Val(r1.Dst).IP.Equal(to.Val(r2.Dst).IP) && size1 == size2 && r1.Gw.Equal(r2.Gw)
	}
	routes, err := r.Netlink.RouteList(nil, nl.FAMILY_ALL)
	if err != nil {
		return err
	}
	foundRoute := false
	for i := range routes {
		if equalRoute(&routes[i], route) {
			foundRoute = true
		}
	}
	if !foundRoute {
		log.Info("Adding new route", "route", *route)
		if err = r.Netlink.RouteReplace(route); err != nil {
			return err
		}
	}
	return nil
}