package org.opendaylight.controller.cluster.datastore.entityownership;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
import static org.mockito.AdditionalMatchers.or;
+import static org.mockito.Mockito.atMost;
+import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.verify;
import static org.opendaylight.controller.cluster.datastore.entityownership.AbstractEntityOwnershipTest.ownershipChange;
+import static org.opendaylight.controller.cluster.datastore.entityownership.DistributedEntityOwnershipService.ENTITY_OWNERSHIP_SHARD_NAME;
import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.CANDIDATE_NAME_NODE_ID;
import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityPath;
import akka.actor.ActorSystem;
import akka.actor.Address;
import akka.actor.AddressFromURIString;
+import akka.actor.Status.Failure;
+import akka.actor.Status.Success;
import akka.cluster.Cluster;
import akka.testkit.JavaTestKit;
import com.google.common.base.Function;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
+import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
+import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.opendaylight.controller.cluster.datastore.DatastoreContext;
import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
import org.opendaylight.controller.cluster.datastore.IntegrationTestKit;
+import org.opendaylight.controller.cluster.datastore.entityownership.selectionstrategy.EntityOwnerSelectionStrategyConfig;
+import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
+import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
+import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipCandidateRegistration;
+import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipChange;
import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.clustering.entity.owners.rev150804.entity.owners.entity.type.entity.Candidate;
public class DistributedEntityOwnershipIntegrationTest {
private static final Address MEMBER_1_ADDRESS = AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558");
private static final String MODULE_SHARDS_CONFIG = "module-shards-default.conf";
+ private static final String MODULE_SHARDS_MEMBER_1_CONFIG = "module-shards-default-member-1.conf";
private static final String ENTITY_TYPE1 = "entityType1";
private static final String ENTITY_TYPE2 = "entityType2";
private static final Entity ENTITY1 = new Entity(ENTITY_TYPE1, "entity1");
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
+ }
- leaderSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
- Cluster.get(leaderSystem).join(MEMBER_1_ADDRESS);
+ @After
+ public void tearDown() {
+ if(leaderSystem != null) {
+ JavaTestKit.shutdownActorSystem(leaderSystem);
+ }
- follower1System = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
- Cluster.get(follower1System).join(MEMBER_1_ADDRESS);
+ if(follower1System != null) {
+ JavaTestKit.shutdownActorSystem(follower1System);
+ }
+ if(follower2System != null) {
+ JavaTestKit.shutdownActorSystem(follower2System);
+ }
+ }
+
+ private void startAllSystems() {
+ startLeaderSystem();
+ startFollower1System();
+ startFollower2System();
+ }
+
+ private void startFollower2System() {
follower2System = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member3"));
Cluster.get(follower2System).join(MEMBER_1_ADDRESS);
}
- @After
- public void tearDown() {
- JavaTestKit.shutdownActorSystem(leaderSystem);
- JavaTestKit.shutdownActorSystem(follower1System);
- JavaTestKit.shutdownActorSystem(follower2System);
+ private void startFollower1System() {
+ follower1System = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
+ Cluster.get(follower1System).join(MEMBER_1_ADDRESS);
+ }
+
+ private void startLeaderSystem() {
+ leaderSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
+ Cluster.get(leaderSystem).join(MEMBER_1_ADDRESS);
}
private void initDatastores(String type) {
- leaderTestKit = new IntegrationTestKit(leaderSystem, leaderDatastoreContextBuilder);
- leaderDistributedDataStore = leaderTestKit.setupDistributedDataStore(
- type, MODULE_SHARDS_CONFIG, false, SCHEMA_CONTEXT);
+ initLeaderDatastore(type, MODULE_SHARDS_CONFIG);
- follower1TestKit = new IntegrationTestKit(follower1System, followerDatastoreContextBuilder);
- follower1DistributedDataStore = follower1TestKit.setupDistributedDataStore(
- type, MODULE_SHARDS_CONFIG, false, SCHEMA_CONTEXT);
+ initFollower1Datastore(type, MODULE_SHARDS_CONFIG);
follower2TestKit = new IntegrationTestKit(follower2System, followerDatastoreContextBuilder);
follower2DistributedDataStore = follower2TestKit.setupDistributedDataStore(
follower1DistributedDataStore.waitTillReady();
follower2DistributedDataStore.waitTillReady();
- leaderEntityOwnershipService = new DistributedEntityOwnershipService(leaderDistributedDataStore);
- leaderEntityOwnershipService.start();
+ startLeaderService();
- follower1EntityOwnershipService = new DistributedEntityOwnershipService(follower1DistributedDataStore);
- follower1EntityOwnershipService.start();
+ startFollower1Service();
- follower2EntityOwnershipService = new DistributedEntityOwnershipService(follower2DistributedDataStore);
+ follower2EntityOwnershipService = new DistributedEntityOwnershipService(follower2DistributedDataStore,
+ EntityOwnerSelectionStrategyConfig.newBuilder().build());
follower2EntityOwnershipService.start();
- leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(),
- DistributedEntityOwnershipService.ENTITY_OWNERSHIP_SHARD_NAME);
+ leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+ }
+
+ private void startFollower1Service() {
+ follower1EntityOwnershipService = new DistributedEntityOwnershipService(follower1DistributedDataStore,
+ EntityOwnerSelectionStrategyConfig.newBuilder().build());
+ follower1EntityOwnershipService.start();
+ }
+
+ private void startLeaderService() {
+ leaderEntityOwnershipService = new DistributedEntityOwnershipService(leaderDistributedDataStore,
+ EntityOwnerSelectionStrategyConfig.newBuilder().build());
+ leaderEntityOwnershipService.start();
+ }
+
+ private void initFollower1Datastore(String type, String moduleConfig) {
+ follower1TestKit = new IntegrationTestKit(follower1System, followerDatastoreContextBuilder);
+ follower1DistributedDataStore = follower1TestKit.setupDistributedDataStore(
+ type, moduleConfig, false, SCHEMA_CONTEXT);
+ }
+
+ private void initLeaderDatastore(String type, String moduleConfig) {
+ leaderTestKit = new IntegrationTestKit(leaderSystem, leaderDatastoreContextBuilder);
+ leaderDistributedDataStore = leaderTestKit.setupDistributedDataStore(
+ type, moduleConfig, false, SCHEMA_CONTEXT);
}
@Test
public void test() throws Exception {
+ startAllSystems();
initDatastores("test");
leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
// Unregister follower1 candidate for entity2 and verify follower2 becomes owner
follower1EntityOwnershipService.unregisterCandidate(ENTITY2);
+ verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-3");
verifyOwner(leaderDistributedDataStore, ENTITY2, "member-3");
- verify(follower2MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, true, true));
verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, true, false, true));
verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, false, true));
- verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-3");
+
+ // Depending on timing, follower2MockListener could get ownershipChanged with "false, false, true" if
+ // if the original ownership change with "member-2 is replicated to follower2 after the listener is
+ // registered.
+ Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
+ verify(follower2MockListener, atMost(1)).ownershipChanged(ownershipChange(ENTITY2, false, false, true));
+ verify(follower2MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, true, true));
// Register follower1 candidate for entity3 and verify it becomes owner
verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, false, false));
}
- private void verifyGetOwnershipState(DistributedEntityOwnershipService service, Entity entity,
+ /**
+ * Reproduces bug <a href="https://bugs.opendaylight.org/show_bug.cgi?id=4554">4554</a>
+ *
+ * @throws CandidateAlreadyRegisteredException
+ */
+ @Test
+ public void testCloseCandidateRegistrationInQuickSuccession() throws CandidateAlreadyRegisteredException {
+ startAllSystems();
+ initDatastores("testCloseCandidateRegistrationInQuickSuccession");
+
+ leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
+ follower1EntityOwnershipService.registerListener(ENTITY_TYPE1, follower1MockListener);
+ follower2EntityOwnershipService.registerListener(ENTITY_TYPE1, follower2MockListener);
+
+ final EntityOwnershipCandidateRegistration candidate1 = leaderEntityOwnershipService.registerCandidate(ENTITY1);
+ final EntityOwnershipCandidateRegistration candidate2 = follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ final EntityOwnershipCandidateRegistration candidate3 = follower2EntityOwnershipService.registerCandidate(ENTITY1);
+
+ verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, true, true));
+
+ Mockito.reset(leaderMockListener);
+
+ candidate1.close();
+ candidate2.close();
+ candidate3.close();
+
+ ArgumentCaptor<EntityOwnershipChange> leaderChangeCaptor = ArgumentCaptor.forClass(EntityOwnershipChange.class);
+ ArgumentCaptor<EntityOwnershipChange> follower1ChangeCaptor = ArgumentCaptor.forClass(EntityOwnershipChange.class);
+ ArgumentCaptor<EntityOwnershipChange> follower2ChangeCaptor = ArgumentCaptor.forClass(EntityOwnershipChange.class);
+ doNothing().when(leaderMockListener).ownershipChanged(leaderChangeCaptor.capture());
+ doNothing().when(follower1MockListener).ownershipChanged(follower1ChangeCaptor.capture());
+ doNothing().when(follower2MockListener).ownershipChanged(follower2ChangeCaptor.capture());
+
+ boolean passed = false;
+ for(int i=0;i<100;i++) {
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ if(!leaderEntityOwnershipService.getOwnershipState(ENTITY1).get().hasOwner() &&
+ !follower1EntityOwnershipService.getOwnershipState(ENTITY1).get().hasOwner() &&
+ !follower2EntityOwnershipService.getOwnershipState(ENTITY1).get().hasOwner() &&
+ leaderChangeCaptor.getAllValues().size() > 0 && !leaderChangeCaptor.getValue().hasOwner() &&
+ leaderChangeCaptor.getAllValues().size() > 0 && !follower1ChangeCaptor.getValue().hasOwner() &&
+ leaderChangeCaptor.getAllValues().size() > 0 && !follower2ChangeCaptor.getValue().hasOwner()) {
+ passed = true;
+ break;
+ }
+ }
+
+ assertTrue("No ownership change message was sent with hasOwner=false", passed);
+ }
+
+ /**
+ * Tests bootstrapping the entity-ownership shard when there's no shards initially configured for local
+ * member. The entity-ownership shard is initially created as inactive (ie remains a follower), requiring
+ * an AddShardReplica request to join it to an existing leader.
+ */
+ @Test
+ public void testEntityOwnershipShardBootstrapping() throws Throwable {
+ startLeaderSystem();
+ startFollower1System();
+ String type = "testEntityOwnershipShardBootstrapping";
+ initLeaderDatastore(type, MODULE_SHARDS_MEMBER_1_CONFIG);
+ initFollower1Datastore(type, MODULE_SHARDS_MEMBER_1_CONFIG);
+
+ leaderDistributedDataStore.waitTillReady();
+ follower1DistributedDataStore.waitTillReady();
+
+ startLeaderService();
+ startFollower1Service();
+
+ leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+
+ leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
+
+ // Register a candidate for follower1 - should get queued since follower1 has no leader
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ verify(leaderMockListener, timeout(300).never()).ownershipChanged(ownershipChange(ENTITY1));
+
+ // Add replica in follower1
+ AddShardReplica addReplica = new AddShardReplica(ENTITY_OWNERSHIP_SHARD_NAME);
+ follower1DistributedDataStore.getActorContext().getShardManager().tell(addReplica , follower1TestKit.getRef());
+ Object reply = follower1TestKit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), Success.class, Failure.class);
+ if(reply instanceof Failure) {
+ throw ((Failure)reply).cause();
+ }
+
+ // The queued candidate registration should proceed
+ verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1));
+
+ }
+
+ private static void verifyGetOwnershipState(DistributedEntityOwnershipService service, Entity entity,
boolean isOwner, boolean hasOwner) {
Optional<EntityOwnershipState> state = service.getOwnershipState(entity);
assertEquals("getOwnershipState present", true, state.isPresent());
assertEquals("hasOwner", hasOwner, state.get().hasOwner());
}
- private void verifyCandidates(DistributedDataStore dataStore, Entity entity, String... expCandidates) throws Exception {
+ private static void verifyCandidates(DistributedDataStore dataStore, Entity entity, String... expCandidates) throws Exception {
AssertionError lastError = null;
Stopwatch sw = Stopwatch.createStarted();
while(sw.elapsed(TimeUnit.MILLISECONDS) <= 5000) {
throw lastError;
}
- private void verifyOwner(final DistributedDataStore dataStore, Entity entity, String expOwner) throws Exception {
+ private static void verifyOwner(final DistributedDataStore dataStore, Entity entity, String expOwner) {
AbstractEntityOwnershipTest.verifyOwner(expOwner, entity.getType(), entity.getId(),
new Function<YangInstanceIdentifier, NormalizedNode<?,?>>() {
@Override