// +optional
  optional NodeStatus status = 3;
}

// NodeAddress contains information for the node's address.
message NodeAddress {
  // Node address type, one of Hostname, ExternalIP or InternalIP.
  optional string type = 1;

  // The node address.
  optional string address = 2;
}

// Node affinity is a group of node affinity scheduling rules.
message NodeAffinity {