package org.opendaylight.controller.cluster.datastore;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.actor.AddressFromURIString;
+import akka.actor.PoisonPill;
import akka.actor.Props;
+import akka.actor.Status;
+import akka.actor.Status.Failure;
+import akka.actor.Status.Success;
+import akka.actor.Terminated;
import akka.cluster.Cluster;
import akka.cluster.ClusterEvent;
import akka.dispatch.Dispatchers;
import akka.japi.Creator;
import akka.pattern.Patterns;
import akka.persistence.RecoveryCompleted;
+import akka.serialization.Serialization;
import akka.testkit.JavaTestKit;
import akka.testkit.TestActorRef;
import akka.util.Timeout;
+import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Sets;
import com.google.common.util.concurrent.Uninterruptibles;
import com.typesafe.config.ConfigFactory;
+import java.net.URI;
+import java.util.AbstractMap;
import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
import java.util.List;
import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
+import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
+import org.opendaylight.controller.cluster.datastore.config.Configuration;
+import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
+import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
+import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
+import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
+import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
+import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
+import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
+import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
+import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
+import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
+import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
+import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
-import org.opendaylight.controller.cluster.datastore.utils.MessageCollectorActor;
import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
import org.opendaylight.controller.cluster.raft.RaftState;
import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
+import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
+import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
+import org.opendaylight.controller.cluster.raft.messages.AddServer;
+import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
+import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
+import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
+import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
+import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
+import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
private static int ID_COUNTER = 1;
private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
- private final String shardMgrID = "shard-manager-" + shardMrgIDSuffix;
+ private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
@Mock
private static CountDownLatch ready;
private static TestActorRef<MessageCollectorActor> mockShardActor;
+ private static String mockShardName;
+
private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
dataStoreType(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
MockitoAnnotations.initMocks(this);
InMemoryJournal.clear();
+ InMemorySnapshotStore.clear();
if(mockShardActor == null) {
- String name = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
- mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), name);
+ mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
+ mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), mockShardName);
}
mockShardActor.underlyingActor().clear();
@After
public void tearDown() {
InMemoryJournal.clear();
+ InMemorySnapshotStore.clear();
+ }
+
+ private Props newShardMgrProps() {
+ return newShardMgrProps(new MockConfiguration());
}
- private Props newShardMgrProps(boolean persistent) {
- return ShardManager.props(new MockClusterWrapper(), new MockConfiguration(),
- datastoreContextBuilder.persistent(persistent).build(), ready, primaryShardInfoCache);
+ private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
+ DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
+ Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
+ Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
+ return mockFactory;
+ }
+
+ private Props newShardMgrProps(Configuration config) {
+ return TestShardManager.builder(datastoreContextBuilder).configuration(config).props();
}
private Props newPropsShardMgrWithMockShardActor() {
private static final long serialVersionUID = 1L;
@Override
public ShardManager create() throws Exception {
- return new ForwardingShardManager(clusterWrapper, config, datastoreContextBuilder.build(),
- ready, name, shardActor, primaryShardInfoCache);
+ return new ForwardingShardManager(ShardManager.builder().cluster(clusterWrapper).configuration(config).
+ datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build())).
+ waitTillReadyCountdownLatch(ready).primaryShardInfoCache(primaryShardInfoCache), name, shardActor);
}
};
return Props.create(new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId());
}
+ private TestShardManager newTestShardManager() {
+ return newTestShardManager(newShardMgrProps());
+ }
+
+ private TestShardManager newTestShardManager(Props props) {
+ TestActorRef<TestShardManager> shardManagerActor = TestActorRef.create(getSystem(), props);
+ TestShardManager shardManager = shardManagerActor.underlyingActor();
+ shardManager.waitForRecoveryComplete();
+ return shardManager;
+ }
+
+ @Test
+ public void testPerShardDatastoreContext() throws Exception {
+ final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
+ datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
+
+ Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
+ shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
+
+ Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
+ shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
+
+ final MockConfiguration mockConfig = new MockConfiguration() {
+ @Override
+ public Collection<String> getMemberShardNames(String memberName) {
+ return Arrays.asList("default", "topology");
+ }
+
+ @Override
+ public Collection<String> getMembersFromShardName(String shardName) {
+ return Arrays.asList("member-1");
+ }
+ };
+
+ final TestActorRef<MessageCollectorActor> defaultShardActor = TestActorRef.create(getSystem(),
+ Props.create(MessageCollectorActor.class), "default");
+ final TestActorRef<MessageCollectorActor> topologyShardActor = TestActorRef.create(getSystem(),
+ Props.create(MessageCollectorActor.class), "topology");
+
+ final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
+ new HashMap<String, Entry<ActorRef, DatastoreContext>>());
+ shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
+ shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
+
+ final CountDownLatch newShardActorLatch = new CountDownLatch(2);
+ final Creator<ShardManager> creator = new Creator<ShardManager>() {
+ private static final long serialVersionUID = 1L;
+ @Override
+ public ShardManager create() throws Exception {
+ return new ShardManager(ShardManager.builder().cluster(new MockClusterWrapper()).configuration(mockConfig).
+ datastoreContextFactory(mockFactory).waitTillReadyCountdownLatch(ready).
+ primaryShardInfoCache(primaryShardInfoCache)) {
+ @Override
+ protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
+ Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
+ ActorRef ref = null;
+ if(entry != null) {
+ ref = entry.getKey();
+ entry.setValue(info.getDatastoreContext());
+ }
+
+ newShardActorLatch.countDown();
+ return ref;
+ }
+ };
+ }
+ };
+
+ JavaTestKit kit = new JavaTestKit(getSystem());
+
+ final ActorRef shardManager = getSystem().actorOf(Props.create(new DelegatingShardManagerCreator(creator)).
+ withDispatcher(Dispatchers.DefaultDispatcherId()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
+
+ assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
+ assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
+ getShardElectionTimeoutFactor());
+ assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
+ getShardElectionTimeoutFactor());
+
+ DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
+ datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
+ Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
+ shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
+
+ Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
+ shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
+
+ shardManager.tell(newMockFactory, kit.getRef());
+
+ DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
+ assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
+
+ newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
+ assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
+
+ defaultShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ topologyShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }
+
@Test
public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
new JavaTestKit(getSystem()) {{
LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
primaryFound.getPrimaryPath().contains("member-1-shard-default"));
- assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
+ assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
}};
}
LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
primaryFound.getPrimaryPath().contains("member-1-shard-default"));
- assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
+ assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
}};
}
shardManager1.underlyingActor().waitForUnreachableMember();
+ PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
+ assertEquals("getMemberName", "member-2", peerDown.getMemberName());
+ MessageCollectorActor.clearMessages(mockShardActor1);
+
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
+
shardManager1.tell(new FindPrimary("default", true), getRef());
expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
shardManager1.underlyingActor().waitForReachableMember();
+ PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
+ assertEquals("getMemberName", "member-2", peerUp.getMemberName());
+ MessageCollectorActor.clearMessages(mockShardActor1);
+
shardManager1.tell(new FindPrimary("default", true), getRef());
RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
String path1 = found1.getPrimaryPath();
assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
+
}};
JavaTestKit.shutdownActorSystem(system1);
@Test
public void testOnRecoveryJournalIsCleaned() {
- InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
+ String persistenceID = "shard-manager-" + shardMrgIDSuffix;
+ InMemoryJournal.addEntry(persistenceID, 1L, new ShardManager.SchemaContextModules(
ImmutableSet.of("foo")));
- InMemoryJournal.addEntry(shardMgrID, 2L, new ShardManager.SchemaContextModules(
+ InMemoryJournal.addEntry(persistenceID, 2L, new ShardManager.SchemaContextModules(
ImmutableSet.of("bar")));
- InMemoryJournal.addDeleteMessagesCompleteLatch(shardMgrID);
+ InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
- new JavaTestKit(getSystem()) {{
- TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
- Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+ TestShardManager shardManager = newTestShardManager();
- shardManager.underlyingActor().waitForRecoveryComplete();
- InMemoryJournal.waitForDeleteMessagesComplete(shardMgrID);
+ InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
- // Journal entries up to the last one should've been deleted
- Map<Long, Object> journal = InMemoryJournal.get(shardMgrID);
- synchronized (journal) {
- assertEquals("Journal size", 0, journal.size());
- }
- }};
+ // Journal entries up to the last one should've been deleted
+ Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
+ synchronized (journal) {
+ assertEquals("Journal size", 0, journal.size());
+ }
}
@Test
public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps(true));
-
- String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
- shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
- memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
+ TestShardManager shardManager = newTestShardManager();
- verify(ready, never()).countDown();
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(
+ memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
- shardManager.underlyingActor().onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
- Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
+ verify(ready, never()).countDown();
- verify(ready, times(1)).countDown();
+ shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
+ Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
- }};
+ verify(ready, times(1)).countDown();
}
@Test
public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps(true));
-
- String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
- shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
- memberId, null, RaftState.Follower.name()));
+ new JavaTestKit(getSystem()) {{
+ TestShardManager shardManager = newTestShardManager();
- verify(ready, never()).countDown();
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(
+ memberId, null, RaftState.Follower.name()));
- shardManager.underlyingActor().onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
+ verify(ready, never()).countDown();
- shardManager.underlyingActor().onReceiveCommand(new ShardLeaderStateChanged(memberId,
- "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
- DataStoreVersions.CURRENT_VERSION));
+ shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
- verify(ready, times(1)).countDown();
+ shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
+ "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION));
- }};
+ verify(ready, times(1)).countDown();
+ }};
}
@Test
public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps(true));
-
- String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
- shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
- memberId, null, RaftState.Follower.name()));
+ new JavaTestKit(getSystem()) {{
+ TestShardManager shardManager = newTestShardManager();
- verify(ready, never()).countDown();
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
- shardManager.underlyingActor().onReceiveCommand(new ShardLeaderStateChanged(memberId,
- "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
- DataStoreVersions.CURRENT_VERSION));
+ verify(ready, never()).countDown();
- shardManager.underlyingActor().onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
+ shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
+ "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION));
- verify(ready, times(1)).countDown();
+ shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
- }};
+ verify(ready, times(1)).countDown();
+ }};
}
@Test
public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps(true));
+ TestShardManager shardManager = newTestShardManager();
- shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
- "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
+ shardManager.onReceiveCommand(new RoleChangeNotification(
+ "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
- verify(ready, never()).countDown();
-
- }};
+ verify(ready, never()).countDown();
}
-
@Test
public void testByDefaultSyncStatusIsFalse() throws Exception{
- final Props persistentProps = newShardMgrProps(true);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
-
- ShardManager shardManagerActor = shardManager.underlyingActor();
+ TestShardManager shardManager = newTestShardManager();
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
}
@Test
public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready, primaryShardInfoCache);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
-
- ShardManager shardManagerActor = shardManager.underlyingActor();
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ TestShardManager shardManager = newTestShardManager();
+
+ shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
RaftState.Follower.name(), RaftState.Leader.name()));
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
}
@Test
public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
- final Props persistentProps = newShardMgrProps(true);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
+ TestShardManager shardManager = newTestShardManager();
- ShardManager shardManagerActor = shardManager.underlyingActor();
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
RaftState.Follower.name(), RaftState.Candidate.name()));
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
// Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
+ true, shardId));
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
}
@Test
public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready, primaryShardInfoCache);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
-
- ShardManager shardManagerActor = shardManager.underlyingActor();
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ TestShardManager shardManager = newTestShardManager();
+
+ String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
RaftState.Candidate.name(), RaftState.Follower.name()));
// Initially will be false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
// Send status true will make sync status true
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
// Send status false will make sync status false
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(false, "member-1-shard-default-unknown"));
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
}
@Test
public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration() {
- @Override
- public List<String> getMemberShardNames(String memberName) {
- return Arrays.asList("default", "astronauts");
- }
- },
- DatastoreContext.newBuilder().persistent(true).build(), ready, primaryShardInfoCache);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
-
- ShardManager shardManagerActor = shardManager.underlyingActor();
+ TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
+ @Override
+ public List<String> getMemberShardNames(String memberName) {
+ return Arrays.asList("default", "astronauts");
+ }
+ }));
// Initially will be false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
// Make default shard leader
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
RaftState.Follower.name(), RaftState.Leader.name()));
// default = Leader, astronauts is unknown so sync status remains false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
// Make astronauts shard leader as well
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
+ String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
RaftState.Follower.name(), RaftState.Leader.name()));
// Now sync status should be true
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
// Make astronauts a Follower
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
+ shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
RaftState.Leader.name(), RaftState.Follower.name()));
// Sync status is not true
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
// Make the astronauts follower sync status true
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-astronauts-unknown"));
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
// Sync status is now true
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
+
+ }
+
+ @Test
+ public void testOnReceiveSwitchShardBehavior() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ shardManager.tell(new SwitchShardBehavior(mockShardName, "Leader", 1000), getRef());
+
+ SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
+
+ assertEquals(RaftState.Leader, switchBehavior.getNewState());
+ assertEquals(1000, switchBehavior.getNewTerm());
+ }};
+ }
+
+ @Test
+ public void testOnCreateShard() {
+ new JavaTestKit(getSystem()) {{
+ datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
+
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ SchemaContext schemaContext = TestModel.createTestContext();
+ shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
+
+ DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
+ persistent(false).build();
+ Shard.Builder shardBuilder = Shard.builder();
+
+ ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
+ "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
+ shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
+
+ expectMsgClass(duration("5 seconds"), Success.class);
+
+ shardManager.tell(new FindLocalShard("foo", true), getRef());
+
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
+ assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
+ getPeerAddressResolver() instanceof ShardPeerAddressResolver);
+ assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
+ new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
+ shardBuilder.getPeerAddresses().keySet());
+ assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
+ shardBuilder.getId());
+ assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
+
+ // Send CreateShard with same name - should return Success with a message.
+
+ shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
+
+ Success success = expectMsgClass(duration("5 seconds"), Success.class);
+ assertNotNull("Success status is null", success.status());
+ }};
+ }
+
+ @Test
+ public void testOnCreateShardWithLocalMemberNotInShardConfig() {
+ new JavaTestKit(getSystem()) {{
+ datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
+
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
+
+ Shard.Builder shardBuilder = Shard.builder();
+ ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
+ "foo", null, Arrays.asList("member-5", "member-6"));
+
+ shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
+ expectMsgClass(duration("5 seconds"), Success.class);
+
+ shardManager.tell(new FindLocalShard("foo", true), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
+ assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
+ shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
+ }};
+ }
+
+ @Test
+ public void testOnCreateShardWithNoInitialSchemaContext() {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ Shard.Builder shardBuilder = Shard.builder();
+
+ ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
+ "foo", null, Arrays.asList("member-1"));
+ shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
+
+ expectMsgClass(duration("5 seconds"), Success.class);
+
+ SchemaContext schemaContext = TestModel.createTestContext();
+ shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
+
+ shardManager.tell(new FindLocalShard("foo", true), getRef());
+
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
+ assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
+ }};
+ }
+
+ @Test
+ public void testGetSnapshot() throws Throwable {
+ JavaTestKit kit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("shard1", Arrays.asList("member-1")).
+ put("shard2", Arrays.asList("member-1")).build());
+
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(mockConfig).withDispatcher(
+ Dispatchers.DefaultDispatcherId()));
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+ Failure failure = kit.expectMsgClass(Failure.class);
+ assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
+
+ kit = new JavaTestKit(getSystem());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
+
+ shardManager.tell(new FindLocalShard("shard1", true), kit.getRef());
+ kit.expectMsgClass(LocalShardFound.class);
+ shardManager.tell(new FindLocalShard("shard2", true), kit.getRef());
+ kit.expectMsgClass(LocalShardFound.class);
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+
+ DatastoreSnapshot datastoreSnapshot = kit.expectMsgClass(DatastoreSnapshot.class);
+
+ assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
+ List<ShardSnapshot> shardSnapshots = datastoreSnapshot.getShardSnapshots();
+ Set<String> actualShardNames = new HashSet<>();
+ for(ShardSnapshot s: shardSnapshots) {
+ actualShardNames.add(s.getName());
+ }
+
+ assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), actualShardNames);
+
+ shardManager.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }
+
+ @Test
+ public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new AddShardReplica("model-inventory"), getRef());
+ Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
+
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof IllegalArgumentException));
+ }};
+ }
+
+ @Test
+ public void testAddShardReplica() throws Exception {
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+
+ // Create an ActorSystem ShardManager actor for member-1.
+ final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+ ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
+ final TestActorRef<ForwardingShardManager> newReplicaShardManager = TestActorRef.create(system1,
+ newPropsShardMgrWithMockShardActor("shardManager1", mockDefaultShardActor,
+ new ClusterWrapperImpl(system1), mockConfig), shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = ActorSystem.create("cluster-test",
+ ConfigFactory.load().getConfig("Member2"));
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
+ final TestActorRef<MockRespondActor> mockShardLeaderActor =
+ TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
+ final TestActorRef<ForwardingShardManager> leaderShardManager = TestActorRef.create(system2,
+ newPropsShardMgrWithMockShardActor("shardManager2", mockShardLeaderActor,
+ new ClusterWrapperImpl(system2), mockConfig), shardManagerID);
+
+ new JavaTestKit(system1) {{
+
+ newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
+
+ String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
+ short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
+ leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
+ Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
+ leaderShardManager.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
+
+ newReplicaShardManager.underlyingActor().waitForMemberUp();
+ leaderShardManager.underlyingActor().waitForMemberUp();
+
+ //construct a mock response message
+ AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
+ mockShardLeaderActor.underlyingActor().updateResponse(response);
+ newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
+ AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
+ AddServer.class);
+ String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
+ assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
+ newReplicaShardManager.underlyingActor()
+ .verifySnapshotPersisted(Sets.newHashSet("default", "astronauts"));
+ expectMsgClass(duration("5 seconds"), Status.Success.class);
+ }};
+
+ JavaTestKit.shutdownActorSystem(system1);
+ JavaTestKit.shutdownActorSystem(system2);
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
+ newPropsShardMgrWithMockShardActor(), shardMgrID);
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
+ AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
+ ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
+ Props.create(MockRespondActor.class, addServerReply), leaderId);
+
+ MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
+
+ String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.tell(new RoleChangeNotification(newReplicaId,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
+ shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
+ DataStoreVersions.CURRENT_VERSION), mockShardActor);
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+
+ MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
+
+ Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ // Send message again to verify previous in progress state is cleared
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
+
+ shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
+ shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
+ leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ expectMsgClass(duration("5 seconds"), Failure.class);
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ leaderShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION), getRef());
+ shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
+ RaftState.Leader.name())), mockShardActor);
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+ }};
+ }
+
+ @Test
+ public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
+ TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
+ newPropsShardMgrWithMockShardActor("newReplicaShardManager", mockNewReplicaShardActor,
+ new MockClusterWrapper(), mockConfig), shardMgrID);
+ shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
+ terminateWatcher.watch(mockNewReplicaShardActor);
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+
+ AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
+ assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
+ addServerMsg.getNewServerId());
+ mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
+
+ Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
+
+ shardManager.tell(new FindLocalShard("astronauts", false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+
+ terminateWatcher.expectTerminated(mockNewReplicaShardActor);
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+ mockShardLeaderKit.expectMsgClass(AddServer.class);
+ mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
+ failure = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
+ }};
+ }
+
+ @Test
+ public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
+ JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
+ newPropsShardMgrWithMockShardActor("newReplicaShardManager", mockShardActor,
+ new MockClusterWrapper(), mockConfig), shardMgrID);
+ shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+
+ mockShardLeaderKit.expectMsgClass(AddServer.class);
+
+ shardManager.tell(new AddShardReplica("astronauts"), secondRequestKit.getRef());
+
+ secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
+ }};
+ }
+
+ @Test
+ public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ ActorRef newReplicaShardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(
+ "shardManager", mockShardActor, new MockClusterWrapper(), mockConfig));
+
+ newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2", getRef().path().toString());
+
+ newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
+ Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof RuntimeException));
+ }};
+ }
+
+ @Test
+ public void testRemoveShardReplicaForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new RemoveShardReplica("model-inventory"), getRef());
+ Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof IllegalArgumentException));
+ }};
+
+ }
+
+ @Test
+ public void testServerRemovedShardActorNotRunning() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).
+ put("people", Arrays.asList("member-1", "member-2")).build());
+
+ TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ newShardMgrProps(mockConfig));
+ shardManager.underlyingActor().waitForRecoveryComplete();
+
+ shardManager.tell(new FindLocalShard("people", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ shardManager.tell(new FindLocalShard("default", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ // Removed the default shard replica from member-1
+ ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
+ final ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type("config1").build();
+ shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
+
+ shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
+ }};
+ }
+
+ @Test
+ public void testServerRemovedShardActorRunning() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).
+ put("people", Arrays.asList("member-1", "member-2")).build());
+
+ TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ newShardMgrProps(mockConfig));
+
+ TestActorRef<MessageCollectorActor> shard = TestActorRef.create(getSystem(), MessageCollectorActor.props());
+
+ watch(shard);
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+
+ shardManager.underlyingActor().addShardActor("default", shard);
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(new FindLocalShard("people", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ shardManager.tell(new FindLocalShard("default", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ // Removed the default shard replica from member-1
+ ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
+ final ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type("config1").build();
+ shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
+
+ shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
+
+ expectMsgClass(duration("5 seconds"), Terminated.class);
+ }};
+ }
+
+
+ @Test
+ public void testShardPersistenceWithRestoredData() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).
+ put("people", Arrays.asList("member-1", "member-2")).build());
+ String[] restoredShards = {"default", "astronauts"};
+ ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
+ InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
+
+ //create shardManager to come up with restored data
+ TestActorRef<TestShardManager> newRestoredShardManager = TestActorRef.create(getSystem(),
+ newShardMgrProps(mockConfig));
+
+ newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
+
+ newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
+ LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+ assertEquals("for uninitialized shard", "people", notFound.getShardName());
+
+ //Verify a local shard is created for the restored shards,
+ //although we expect a NotInitializedException for the shards as the actor initialization
+ //message is not sent for them
+ newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+ }};
}
+
private static class TestShardManager extends ShardManager {
private final CountDownLatch recoveryComplete = new CountDownLatch(1);
+ private final CountDownLatch snapshotPersist = new CountDownLatch(1);
+ private ShardManagerSnapshot snapshot;
+ private Map<String, ActorRef> shardActors = new HashMap<>();
- TestShardManager(String shardMrgIDSuffix) {
- super(new MockClusterWrapper(), new MockConfiguration(),
- DatastoreContext.newBuilder().dataStoreType(shardMrgIDSuffix).build(), ready,
- new PrimaryShardInfoFutureCache());
+ private TestShardManager(Builder builder) {
+ super(builder);
}
@Override
assertEquals("Recovery complete", true,
Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
}
- }
- @SuppressWarnings("serial")
- static class TestShardManagerCreator implements Creator<TestShardManager> {
- String shardMrgIDSuffix;
+ public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
+ return new Builder(datastoreContextBuilder);
+ }
+
+ private static class Builder extends ShardManager.Builder {
+ Builder(DatastoreContext.Builder datastoreContextBuilder) {
+ cluster(new MockClusterWrapper()).configuration(new MockConfiguration());
+ datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
+ waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
+ }
- TestShardManagerCreator(String shardMrgIDSuffix) {
- this.shardMrgIDSuffix = shardMrgIDSuffix;
+ @Override
+ public Props props() {
+ verify();
+ return Props.create(TestShardManager.class, this);
+ }
}
@Override
- public TestShardManager create() throws Exception {
- return new TestShardManager(shardMrgIDSuffix);
+ public void saveSnapshot(Object obj) {
+ snapshot = (ShardManagerSnapshot) obj;
+ snapshotPersist.countDown();
}
+ void verifySnapshotPersisted(Set<String> shardList) {
+ assertEquals("saveSnapshot invoked", true,
+ Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
+ assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
+ }
+
+ @Override
+ protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
+ if(shardActors.get(info.getShardName()) != null){
+ return shardActors.get(info.getShardName());
+ }
+ return super.newShardActor(schemaContext, info);
+ }
+
+ public void addShardActor(String shardName, ActorRef actorRef){
+ shardActors.put(shardName, actorRef);
+ }
}
private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
}
}
+ interface MessageInterceptor extends Function<Object, Object> {
+ boolean canIntercept(Object message);
+ }
+
+ private MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
+ return new MessageInterceptor(){
+ @Override
+ public Object apply(Object message) {
+ return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
+ }
+
+ @Override
+ public boolean canIntercept(Object message) {
+ return message instanceof FindPrimary;
+ }
+ };
+ }
+
private static class ForwardingShardManager extends ShardManager {
private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
private CountDownLatch memberUpReceived = new CountDownLatch(1);
private CountDownLatch memberReachableReceived = new CountDownLatch(1);
private final ActorRef shardActor;
private final String name;
+ private final CountDownLatch snapshotPersist = new CountDownLatch(1);
+ private ShardManagerSnapshot snapshot;
+ private volatile MessageInterceptor messageInterceptor;
- protected ForwardingShardManager(ClusterWrapper cluster, Configuration configuration,
- DatastoreContext datastoreContext, CountDownLatch waitTillReadyCountdownLatch, String name,
- ActorRef shardActor, PrimaryShardInfoFutureCache primaryShardInfoCache) {
- super(cluster, configuration, datastoreContext, waitTillReadyCountdownLatch, primaryShardInfoCache);
+ public ForwardingShardManager(Builder builder, String name, ActorRef shardActor) {
+ super(builder);
this.shardActor = shardActor;
this.name = name;
}
+ void setMessageInterceptor(MessageInterceptor messageInterceptor) {
+ this.messageInterceptor = messageInterceptor;
+ }
+
+
@Override
public void handleCommand(Object message) throws Exception {
try{
- super.handleCommand(message);
+ if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
+ getSender().tell(messageInterceptor.apply(message), getSelf());
+ } else {
+ super.handleCommand(message);
+ }
} finally {
if(message instanceof FindPrimary) {
findPrimaryMessageReceived.countDown();
Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
findPrimaryMessageReceived = new CountDownLatch(1);
}
+
+ @Override
+ public void saveSnapshot(Object obj) {
+ snapshot = (ShardManagerSnapshot) obj;
+ snapshotPersist.countDown();
+ }
+
+ void verifySnapshotPersisted(Set<String> shardList) {
+ assertEquals("saveSnapshot invoked", true,
+ Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
+ assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
+ }
+ }
+
+ private static class MockRespondActor extends MessageCollectorActor {
+ static final String CLEAR_RESPONSE = "clear-response";
+
+ private volatile Object responseMsg;
+
+ @SuppressWarnings("unused")
+ public MockRespondActor() {
+ }
+
+ @SuppressWarnings("unused")
+ public MockRespondActor(Object responseMsg) {
+ this.responseMsg = responseMsg;
+ }
+
+ public void updateResponse(Object response) {
+ responseMsg = response;
+ }
+
+ @Override
+ public void onReceive(Object message) throws Exception {
+ super.onReceive(message);
+ if (message instanceof AddServer) {
+ if (responseMsg != null) {
+ getSender().tell(responseMsg, getSelf());
+ }
+ } if(message.equals(CLEAR_RESPONSE)) {
+ responseMsg = null;
+ }
+ }
}
}
Code Review / controller.git / blobdiff