public NodeInfo setRpcAddress(Node node, String rpcAddress) {
        NodeInfo nodeInfo = getInfo(node);
        if (nodeInfo != null) {
            nodeInfo.setRpcAddress(rpcAddress);
        }
        return nodeInfo;
    }
Sets the rpc address of a node. If the node does not exist this does nothing.

@return the info to which an rpc address is set, or null if none
clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/ClusterInfo.java