@Override
    public String toString() {
        return state +
               ( parentHostname.isPresent() ? " child node " : " host " ) +
               hostname +
               ( allocation.isPresent() ? " " + allocation.get() : "");
    }
Returns the ACL for the node (trusted nodes, networks and ports)
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/Node.java