@Override
    public void allocatePorts(int start, PortAllocBridge from) {
        if (start == 0) start = BASEPORT;
        from.requirePort(start++, "rpc");
        from.requirePort(start++, "http");
    }
Constructs a new ConfigSentinel for the given host.

@param host Physical host on which to run.
config-model/src/main/java/com/yahoo/vespa/model/ConfigSentinel.java