Support active-standby mode in openstacknetworking app
Change-Id: I155e1a082078e5c1b7e8a35275dfd517c787ade7
diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackHaService.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackHaService.java
new file mode 100644
index 0000000..2b39179
--- /dev/null
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackHaService.java
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+package org.onosproject.openstacknetworking.api;
+
+import org.onlab.packet.IpAddress;
+
+/**
+ * Handles openstack mastership.
+ */
+public interface OpenstackHaService {
+
+ /**
+ * Indicates the active-standby status.
+ *
+ * @return true if the the node runs in active mode, false otherwise
+ */
+ boolean isActive();
+
+ /**
+ * Obtains the IP address of the active node.
+ *
+ * @return IP address of the active node
+ */
+ IpAddress getActiveIp();
+
+ /**
+ * Configures the IP address of the active node.
+ *
+ * @param ip IP address of the active node
+ */
+ void setActiveIp(IpAddress ip);
+
+ /**
+ * Configures the active status.
+ *
+ * @param flag true if the node runs in active mode, false otherwise
+ */
+ void setActive(boolean flag);
+}