Throw a warning instead of an error when the listener is in no state

[whg517]

In csi, a listener object is created, the listener object status is obtained, and the address and port in the status are written to the volume sink mounted by the pod. When the listener controller has not updated the status urgently, the csi should throw a warning message, not an error message.

listener-operator/internal/csi/node.go

Lines 304 to 336 in 5f4a4db

	// getAddresses gets the listener address and ports from the listener status.
	// When get address from listener status, if listener status is not ready,
	// an error will raise. NodeController will retry to get address from listener status.
	func (n *NodeServer) getAddresses(ctx context.Context, listener *listeners.Listener, pod *corev1.Pod) ([]util.IngressAddress, error) {
	// Get fresh listener, to avoid get listener status error
	if err := n.client.Get(ctx, client.ObjectKeyFromObject(listener), listener); err != nil {
	return nil, err
	}
	if len(listener.Status.NodePorts) != 0 {
	address, err := n.getNodeAddressByPod(ctx, pod)
	if err != nil {
	return nil, err
	}
	log.V(1).Info("get address from node", "address", address, "listener", listener.Name, "namespace", listener.Namespace)
	return []util.IngressAddress{{AddressInfo: *address, Ports: listener.Status.NodePorts}}, nil
	} else if len(listener.Status.IngressAddresses) != 0 {
	var addresses []util.IngressAddress
	for _, ingressAddress := range listener.Status.IngressAddresses {
	addresses = append(addresses, util.IngressAddress{
	AddressInfo: util.AddressInfo{
	Address: ingressAddress.Address,
	AddressType: ingressAddress.AddressType,
	},
	Ports: ingressAddress.Ports,
	})
	}
	log.V(1).Info("get address from listener status", "addresses", addresses, "listener", listener.Name, "namespace", listener.Namespace)
	return addresses, nil
	}
	return nil, status.Error(codes.Internal, "can not found address from listener status")
	}