Redis Cluster client side host/port mapping using Jedipus

ClientSideMapping.java

final Map<Node, Node> nodeMappings = new HashMap<>(3);

nodeMappings.put(Node.create("internal1", 7001), Node.create("public1", 7001));
nodeMappings.put(Node.create("internal1", 7002), Node.create("public2", 7002));
nodeMappings.put(Node.create("internal1", 7003), Node.create("public3", 7003));

final Collection<Node> discoveryNodes = Collections.singleton(Node.create("public1", 7001));

// Static mapper, could easily be something dynamic as well.
final NodeMapper nodeMapper =
    node -> nodeMappings.getOrDefault(node, node).updateId(node.getId());

final RedisClusterExecutor rce = RedisClusterExecutor.startBuilding(discoveryNodes)
    .withNodeMapper(nodeMapper).create();

rce.acceptAllMasters(master -> System.out.format("%s %s%n", master, master.sendCmd(Cmds.PING)));
// ...
rce.close();