private static boolean shouldForceInitToDown(final NodeState reported) {
        return reported.getInitProgress() <= NodeState.getListingBucketsInitProgressLimit() + 0.00001;
    }
Infer parameters from controller options. Important: does _not_ set cluster;
it must be explicitly set afterwards on the returned parameter object before
being used to compute states.
clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/ClusterStateGenerator.java