diff --git a/comac/sample/central/hosts.ini b/comac/sample/central/hosts.ini
new file mode 100644
index 0000000..8884dd6
--- /dev/null
+++ b/comac/sample/central/hosts.ini
@@ -0,0 +1,38 @@
+# Copyright 2019-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+[all]
+central1 ansible_host=10.90.0.131 etcd_member_name=etcd1
+central2 ansible_host=10.90.0.132
+
+[kube-master]
+central1
+
+[etcd]
+central1
+
+[kube-node]
+central1
+central2
+
+[k8s-cluster:children]
+kube-master
+kube-node
+
+[omec-cp]
+central1
+central2
+
+[omec-cp:vars]
+node_labels={"omec-cp":"enabled"}