Inter-connect k8s and openstack intg bridge, kbr-ex and kbr-router

Change-Id: Id7d3c874e8b267252ca387b1ca6f67b9f9bc5116
diff --git a/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sBridge.java b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sBridge.java
new file mode 100644
index 0000000..7659689
--- /dev/null
+++ b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sBridge.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2020-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.
+ */
+package org.onosproject.k8snode.api;
+
+import org.onosproject.net.DeviceId;
+
+/**
+ * K8s bridge interface.
+ */
+public interface K8sBridge {
+
+    /**
+     * Returns device identifier.
+     *
+     * @return device identifier
+     */
+    DeviceId deviceId();
+
+    /**
+     * Return the datapath identifier.
+     *
+     * @return datapath identifier
+     */
+    String dpid();
+
+    /**
+     * Returns bridge name.
+     *
+     * @return bridge name
+     */
+    String name();
+}