private void addCommonServices(HostResource host, DeployState deployState) {
        addConfigSentinel(deployState, host);
        addLogd(deployState, host);
        addConfigProxy(deployState, host);
        if (logForwarderConfig != null) {
            boolean actuallyAdd = true;
            var membership = host.spec().membership();
            if (membership.isPresent()) {
                var clustertype = membership.get().cluster().type();
                // XXX should skip only if this.isHostedVespa is true?
                if (clustertype == ClusterSpec.Type.admin) {
                    actuallyAdd = logForwarderIncludeAdmin;
                }
            }
            if (actuallyAdd) {
                addLogForwarder(deployState, host);
            }
        }
    }
Adds services to all hosts in the system.
config-model/src/main/java/com/yahoo/vespa/model/admin/Admin.java