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/*
* Copyright 2014-2015 Open Networking Laboratory
*
* 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.cluster.impl;
import java.util.Set;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onlab.packet.IpAddress;
import org.onosproject.cluster.ClusterService;
import org.onosproject.cluster.ClusterServiceAdapter;
import org.onosproject.cluster.ControllerNode;
import org.onosproject.cluster.DefaultControllerNode;
import org.onosproject.cluster.NodeId;
import org.onosproject.common.event.impl.TestEventDispatcher;
import org.onosproject.mastership.MastershipService;
import org.onosproject.mastership.MastershipStore;
import org.onosproject.mastership.MastershipTermService;
import org.onosproject.net.DeviceId;
import org.onosproject.store.trivial.SimpleMastershipStore;
import com.google.common.collect.Sets;
import com.google.common.util.concurrent.Futures;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.onosproject.net.MastershipRole.MASTER;
import static org.onosproject.net.MastershipRole.NONE;
import static org.onosproject.net.MastershipRole.STANDBY;
import static org.onosproject.net.NetTestTools.injectEventDispatcher;
/**
* Test codifying the mastership service contracts.
*/
public class MastershipManagerTest {
private static final NodeId NID_LOCAL = new NodeId("local");
private static final NodeId NID_OTHER = new NodeId("foo");
private static final IpAddress LOCALHOST = IpAddress.valueOf("127.0.0.1");
private static final DeviceId DEV_MASTER = DeviceId.deviceId("of:1");
private static final DeviceId DEV_OTHER = DeviceId.deviceId("of:2");
private MastershipManager mgr;
protected MastershipService service;
@Before
public void setUp() {
mgr = new MastershipManager();
service = mgr;
injectEventDispatcher(mgr, new TestEventDispatcher());
mgr.clusterService = new TestClusterService();
mgr.store = new TestSimpleMastershipStore(mgr.clusterService);
mgr.activate();
}
@After
public void tearDown() {
mgr.deactivate();
mgr.clusterService = null;
injectEventDispatcher(mgr, null);
mgr.store = null;
}
@Test
public void setRole() {
mgr.setRole(NID_OTHER, DEV_MASTER, MASTER);
assertEquals("wrong local role:", NONE, mgr.getLocalRole(DEV_MASTER));
assertEquals("wrong obtained role:", STANDBY, Futures.getUnchecked(mgr.requestRoleFor(DEV_MASTER)));
//set to master
mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
assertEquals("wrong local role:", MASTER, mgr.getLocalRole(DEV_MASTER));
}
@Test
public void relinquishMastership() {
//no backups - should just turn to NONE for device.
mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
assertEquals("wrong role:", MASTER, mgr.getLocalRole(DEV_MASTER));
mgr.relinquishMastership(DEV_MASTER);
assertNull("wrong master:", mgr.getMasterFor(DEV_OTHER));
assertEquals("wrong role:", NONE, mgr.getLocalRole(DEV_MASTER));
//not master, nothing should happen
mgr.setRole(NID_LOCAL, DEV_OTHER, NONE);
mgr.relinquishMastership(DEV_OTHER);
assertNull("wrong role:", mgr.getMasterFor(DEV_OTHER));
//provide NID_OTHER as backup and relinquish
mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
assertEquals("wrong master:", NID_LOCAL, mgr.getMasterFor(DEV_MASTER));
mgr.setRole(NID_OTHER, DEV_MASTER, STANDBY);
mgr.relinquishMastership(DEV_MASTER);
assertEquals("wrong master:", NID_OTHER, mgr.getMasterFor(DEV_MASTER));
}
@Test
public void requestRoleFor() {
mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
mgr.setRole(NID_OTHER, DEV_OTHER, MASTER);
//local should be master for one but standby for other
assertEquals("wrong role:", MASTER, Futures.getUnchecked(mgr.requestRoleFor(DEV_MASTER)));
assertEquals("wrong role:", STANDBY, Futures.getUnchecked(mgr.requestRoleFor(DEV_OTHER)));
}
@Test
public void getMasterFor() {
mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
mgr.setRole(NID_OTHER, DEV_OTHER, MASTER);
assertEquals("wrong master:", NID_LOCAL, mgr.getMasterFor(DEV_MASTER));
assertEquals("wrong master:", NID_OTHER, mgr.getMasterFor(DEV_OTHER));
//have NID_OTHER hand over DEV_OTHER to NID_LOCAL
mgr.setRole(NID_LOCAL, DEV_OTHER, MASTER);
assertEquals("wrong master:", NID_LOCAL, mgr.getMasterFor(DEV_OTHER));
}
@Test
public void getDevicesOf() {
mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
mgr.setRole(NID_LOCAL, DEV_OTHER, STANDBY);
assertEquals("should be one device:", 1, mgr.getDevicesOf(NID_LOCAL).size());
//hand both devices to NID_LOCAL
mgr.setRole(NID_LOCAL, DEV_OTHER, MASTER);
assertEquals("should be two devices:", 2, mgr.getDevicesOf(NID_LOCAL).size());
}
@Test
public void termService() {
MastershipTermService ts = mgr;
//term = 1 for both
mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
assertEquals("inconsistent term: ", 1, ts.getMastershipTerm(DEV_MASTER).termNumber());
//hand devices to NID_LOCAL and back: term = 1 + 2
mgr.setRole(NID_OTHER, DEV_MASTER, MASTER);
mgr.setRole(NID_LOCAL, DEV_MASTER, MASTER);
assertEquals("inconsistent terms: ", 3, ts.getMastershipTerm(DEV_MASTER).termNumber());
}
private final class TestClusterService extends ClusterServiceAdapter {
ControllerNode local = new DefaultControllerNode(NID_LOCAL, LOCALHOST);
@Override
public ControllerNode getLocalNode() {
return local;
}
@Override
public Set<ControllerNode> getNodes() {
return Sets.newHashSet();
}
}
private final class TestSimpleMastershipStore extends SimpleMastershipStore
implements MastershipStore {
public TestSimpleMastershipStore(ClusterService clusterService) {
super.clusterService = clusterService;
}
}
}
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