@Override
    public void initService(DeployState deployState) {
        if (isInitialized()) return;

        // XXX: Must be called first, to set the baseport
        super.initService(deployState);

        if (getHttp() == null) {
            initDefaultJettyConnector();
        }
    }
Returns the index of this node. The index of a given node is stable through changes with best effort.
config-model/src/main/java/com/yahoo/vespa/model/container/Container.java