ADTRAN: Update to containerized adapters.
Loading and running but still needs about a week or so of work to
catch up to where the OpenOLT/ONU containerized adapters are

Change-Id: I5522232e21dd76b3f95b4698af6c7e4cef96753d
diff --git a/k8s/single-node/etcd-cluster.yml b/k8s/single-node/etcd-cluster.yml
new file mode 100644
index 0000000..61a35fa
--- /dev/null
+++ b/k8s/single-node/etcd-cluster.yml
@@ -0,0 +1,25 @@
+# Copyright 2017-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.
+apiVersion: "etcd.database.coreos.com/v1beta2"
+kind: "EtcdCluster"
+metadata:
+  name: etcd
+  namespace: voltha
+spec:
+  size: 1
+  version: "3.2.18"
+  pod:
+    annotations:
+      cni: "calico"
+