VOL-1406: Deploy voltha 2.0 in a k8s cluster

- Also added sleep to watching rw-core to ensure that the
  watching core does not respond to a request before the
  core that seized it.

Change-Id: I9998975b6dda42b3bd58112115c5122bf2b49d42
diff --git a/k8s/kafka.yml b/k8s/kafka.yml
new file mode 100644
index 0000000..88c3a39
--- /dev/null
+++ b/k8s/kafka.yml
@@ -0,0 +1,71 @@
+# 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.
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: kafka
+  namespace: voltha
+spec:
+  clusterIP: None
+  selector:
+    app: kafka
+  ports:
+  - protocol: TCP
+    port: 9092
+    targetPort: 9092
+---
+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: kafka
+  namespace: voltha
+spec:
+  serviceName: kafka
+  replicas: 3
+  updateStrategy:
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: kafka
+  template:
+    metadata:
+      labels:
+        app: kafka
+      annotations:
+        cni: "calico"
+    spec:
+      terminationGracePeriodSeconds: 10
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                  - key: app
+                    operator: In
+                    values:
+                      - kafka
+              topologyKey: kubernetes.io/hostname
+      containers:
+      - name: kafka
+        image: wurstmeister/kafka:1.0.0
+        ports:
+        - containerPort: 9092
+        env:
+        - name: KAFKA_ADVERTISED_PORT
+          value: "9092"
+        - name: KAFKA_ZOOKEEPER_CONNECT
+          value: zoo1:2181,zoo2:2181,zoo3:2181
+        - name: KAFKA_HEAP_OPTS
+          value: "-Xmx256M -Xms128M"