public List<Node> deploy(ApplicationId application, ClusterSpec cluster, Capacity capacity) {
        List<HostSpec> prepared = prepare(application, cluster, capacity);
        activate(application, Set.copyOf(prepared));
        return getNodes(application, Node.State.active).asList();
    }
Create one or more child nodes on given parent host
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTester.java