+++ /dev/null
-/*
- * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.cluster.datastore.admin;
-
-import static org.hamcrest.CoreMatchers.anyOf;
-import static org.hamcrest.CoreMatchers.containsString;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertThat;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyNoShardPresent;
-import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftPeersPresent;
-import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftState;
-
-import akka.actor.ActorRef;
-import akka.actor.PoisonPill;
-import akka.actor.Status.Success;
-import akka.cluster.Cluster;
-import com.google.common.base.Optional;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Sets;
-import java.io.File;
-import java.io.FileInputStream;
-import java.net.URI;
-import java.util.AbstractMap.SimpleEntry;
-import java.util.ArrayList;
-import java.util.Arrays;
-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.TimeUnit;
-import org.apache.commons.lang3.SerializationUtils;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-import org.opendaylight.controller.cluster.access.concepts.MemberName;
-import org.opendaylight.controller.cluster.datastore.DatastoreContext;
-import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
-import org.opendaylight.controller.cluster.datastore.MemberNode;
-import org.opendaylight.controller.cluster.datastore.MemberNode.RaftStateVerifier;
-import org.opendaylight.controller.cluster.datastore.Shard;
-import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
-import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
-import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
-import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
-import org.opendaylight.controller.cluster.raft.RaftState;
-import org.opendaylight.controller.cluster.raft.ReplicatedLogImplEntry;
-import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
-import org.opendaylight.controller.cluster.raft.persisted.ServerInfo;
-import org.opendaylight.controller.cluster.raft.persisted.UpdateElectionTerm;
-import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
-import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
-import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddReplicasForAllShardsOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddShardReplicaInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.BackupDatastoreInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForAllShardsInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForAllShardsOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForShardInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.DataStoreType;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.FlipMemberVotingStatesForAllShardsOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveShardReplicaInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.member.voting.states.input.MemberVotingStateBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.shard.result.output.ShardResult;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.shard.result.output.ShardResultBuilder;
-import org.opendaylight.yangtools.yang.common.RpcError;
-import org.opendaylight.yangtools.yang.common.RpcResult;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-
-/**
- * Unit tests for ClusterAdminRpcService.
- *
- * @author Thomas Pantelis
- */
-public class ClusterAdminRpcServiceTest {
- private static final MemberName MEMBER_1 = MemberName.forName("member-1");
- private static final MemberName MEMBER_2 = MemberName.forName("member-2");
- private static final MemberName MEMBER_3 = MemberName.forName("member-3");
- private final List<MemberNode> memberNodes = new ArrayList<>();
-
- @Before
- public void setUp() {
- InMemoryJournal.clear();
- InMemorySnapshotStore.clear();
- }
-
- @After
- public void tearDown() {
- for (MemberNode m : Lists.reverse(memberNodes)) {
- m.cleanup();
- }
- memberNodes.clear();
- }
-
- @Test
- public void testBackupDatastore() throws Exception {
- MemberNode node = MemberNode.builder(memberNodes).akkaConfig("Member1")
- .moduleShardsConfig("module-shards-member1.conf").waitForShardLeader("cars", "people")
- .testName("testBackupDatastore").build();
-
- String fileName = "target/testBackupDatastore";
- new File(fileName).delete();
-
- ClusterAdminRpcService service = new ClusterAdminRpcService(node.configDataStore(), node.operDataStore());
-
- RpcResult<Void> rpcResult = service .backupDatastore(new BackupDatastoreInputBuilder()
- .setFilePath(fileName).build()).get(5, TimeUnit.SECONDS);
- verifySuccessfulRpcResult(rpcResult);
-
- try (FileInputStream fis = new FileInputStream(fileName)) {
- List<DatastoreSnapshot> snapshots = SerializationUtils.deserialize(fis);
- assertEquals("DatastoreSnapshot size", 2, snapshots.size());
-
- ImmutableMap<String, DatastoreSnapshot> map = ImmutableMap.of(snapshots.get(0).getType(), snapshots.get(0),
- snapshots.get(1).getType(), snapshots.get(1));
- verifyDatastoreSnapshot(node.configDataStore().getActorContext().getDataStoreName(),
- map.get(node.configDataStore().getActorContext().getDataStoreName()), "cars", "people");
- } finally {
- new File(fileName).delete();
- }
-
- // Test failure by killing a shard.
-
- node.configDataStore().getActorContext().getShardManager().tell(node.datastoreContextBuilder()
- .shardInitializationTimeout(200, TimeUnit.MILLISECONDS).build(), ActorRef.noSender());
-
- ActorRef carsShardActor = node.configDataStore().getActorContext().findLocalShard("cars").get();
- node.kit().watch(carsShardActor);
- carsShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
- node.kit().expectTerminated(carsShardActor);
-
- rpcResult = service.backupDatastore(new BackupDatastoreInputBuilder().setFilePath(fileName).build())
- .get(5, TimeUnit.SECONDS);
- assertEquals("isSuccessful", false, rpcResult.isSuccessful());
- assertEquals("getErrors", 1, rpcResult.getErrors().size());
- }
-
- private static void verifyDatastoreSnapshot(String type, DatastoreSnapshot datastoreSnapshot,
- String... expShardNames) {
- assertNotNull("Missing DatastoreSnapshot for type " + type, datastoreSnapshot);
- Set<String> shardNames = new HashSet<>();
- for (DatastoreSnapshot.ShardSnapshot s: datastoreSnapshot.getShardSnapshots()) {
- shardNames.add(s.getName());
- }
-
- assertEquals("DatastoreSnapshot shard names", Sets.newHashSet(expShardNames), shardNames);
- }
-
- @Test
- public void testAddShardReplica() throws Exception {
- String name = "testAddShardReplica";
- String moduleShardsConfig = "module-shards-cars-member-1.conf";
- MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name )
- .moduleShardsConfig(moduleShardsConfig).waitForShardLeader("cars").build();
-
- MemberNode newReplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.waitForMembersUp("member-2");
-
- doAddShardReplica(newReplicaNode2, "cars", "member-1");
-
- MemberNode newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.waitForMembersUp("member-3");
- newReplicaNode2.waitForMembersUp("member-3");
-
- doAddShardReplica(newReplicaNode3, "cars", "member-1", "member-2");
-
- verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1", "member-3");
- verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1", "member-3");
-
- // Write data to member-2's config datastore and read/verify via member-3
- final NormalizedNode<?, ?> configCarsNode = writeCarsNodeAndVerify(newReplicaNode2.configDataStore(),
- newReplicaNode3.configDataStore());
-
- // Write data to member-3's oper datastore and read/verify via member-2
- writeCarsNodeAndVerify(newReplicaNode3.operDataStore(), newReplicaNode2.operDataStore());
-
- // Verify all data has been replicated. We expect 3 log entries and thus last applied index of 2 -
- // 2 ServerConfigurationPayload entries and the transaction payload entry.
-
- RaftStateVerifier verifier = raftState -> {
- assertEquals("Commit index", 2, raftState.getCommitIndex());
- assertEquals("Last applied index", 2, raftState.getLastApplied());
- };
-
- verifyRaftState(leaderNode1.configDataStore(), "cars", verifier);
- verifyRaftState(leaderNode1.operDataStore(), "cars", verifier);
-
- verifyRaftState(newReplicaNode2.configDataStore(), "cars", verifier);
- verifyRaftState(newReplicaNode2.operDataStore(), "cars", verifier);
-
- verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
- verifyRaftState(newReplicaNode3.operDataStore(), "cars", verifier);
-
- // Restart member-3 and verify the cars config shard is re-instated.
-
- Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(newReplicaNode3.kit().getSystem()).selfAddress());
- newReplicaNode3.cleanup();
-
- newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).createOperDatastore(false).build();
-
- verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
- readCarsNodeAndVerify(newReplicaNode3.configDataStore(), configCarsNode);
- }
-
- @Test
- public void testAddShardReplicaFailures() throws Exception {
- String name = "testAddShardReplicaFailures";
- MemberNode memberNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig("module-shards-cars-member-1.conf").build();
-
- ClusterAdminRpcService service = new ClusterAdminRpcService(memberNode.configDataStore(),
- memberNode.operDataStore());
-
- RpcResult<Void> rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder()
- .setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
- verifyFailedRpcResult(rpcResult);
-
- rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName("cars")
- .build()).get(10, TimeUnit.SECONDS);
- verifyFailedRpcResult(rpcResult);
-
- rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName("people")
- .setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
- verifyFailedRpcResult(rpcResult);
- }
-
- private static NormalizedNode<?, ?> writeCarsNodeAndVerify(DistributedDataStore writeToStore,
- DistributedDataStore readFromStore) throws Exception {
- DOMStoreWriteTransaction writeTx = writeToStore.newWriteOnlyTransaction();
- NormalizedNode<?, ?> carsNode = CarsModel.create();
- writeTx.write(CarsModel.BASE_PATH, carsNode);
-
- DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
- Boolean canCommit = cohort .canCommit().get(7, TimeUnit.SECONDS);
- assertEquals("canCommit", true, canCommit);
- cohort.preCommit().get(5, TimeUnit.SECONDS);
- cohort.commit().get(5, TimeUnit.SECONDS);
-
- readCarsNodeAndVerify(readFromStore, carsNode);
- return carsNode;
- }
-
- private static void readCarsNodeAndVerify(DistributedDataStore readFromStore,
- NormalizedNode<?, ?> expCarsNode) throws Exception {
- Optional<NormalizedNode<?, ?>> optional = readFromStore.newReadOnlyTransaction()
- .read(CarsModel.BASE_PATH).get(15, TimeUnit.SECONDS);
- assertEquals("isPresent", true, optional.isPresent());
- assertEquals("Data node", expCarsNode, optional.get());
- }
-
- private static void doAddShardReplica(MemberNode memberNode, String shardName, String... peerMemberNames)
- throws Exception {
- memberNode.waitForMembersUp(peerMemberNames);
-
- ClusterAdminRpcService service = new ClusterAdminRpcService(memberNode.configDataStore(),
- memberNode.operDataStore());
-
- RpcResult<Void> rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName(shardName)
- .setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
- verifySuccessfulRpcResult(rpcResult);
-
- verifyRaftPeersPresent(memberNode.configDataStore(), shardName, peerMemberNames);
-
- Optional<ActorRef> optional = memberNode.operDataStore().getActorContext().findLocalShard(shardName);
- assertEquals("Oper shard present", false, optional.isPresent());
-
- rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName(shardName)
- .setDataStoreType(DataStoreType.Operational).build()).get(10, TimeUnit.SECONDS);
- verifySuccessfulRpcResult(rpcResult);
-
- verifyRaftPeersPresent(memberNode.operDataStore(), shardName, peerMemberNames);
- }
-
- private static <T> T verifySuccessfulRpcResult(RpcResult<T> rpcResult) {
- if (!rpcResult.isSuccessful()) {
- if (rpcResult.getErrors().size() > 0) {
- RpcError error = Iterables.getFirst(rpcResult.getErrors(), null);
- throw new AssertionError("Rpc failed with error: " + error, error.getCause());
- }
-
- fail("Rpc failed with no error");
- }
-
- return rpcResult.getResult();
- }
-
- private static void verifyFailedRpcResult(RpcResult<Void> rpcResult) {
- assertEquals("RpcResult", false, rpcResult.isSuccessful());
- assertEquals("RpcResult errors size", 1, rpcResult.getErrors().size());
- RpcError error = Iterables.getFirst(rpcResult.getErrors(), null);
- assertNotNull("RpcResult error message null", error.getMessage());
- }
-
- @Test
- public void testRemoveShardReplica() throws Exception {
- String name = "testRemoveShardReplica";
- String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
- final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.configDataStore().waitTillReady();
- replicaNode3.configDataStore().waitTillReady();
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
- verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
-
- // Invoke RPC service on member-3 to remove it's local shard
-
- ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
- replicaNode3.operDataStore());
-
- RpcResult<Void> rpcResult = service3.removeShardReplica(new RemoveShardReplicaInputBuilder()
- .setShardName("cars").setMemberName("member-3").setDataStoreType(DataStoreType.Config).build())
- .get(10, TimeUnit.SECONDS);
- verifySuccessfulRpcResult(rpcResult);
-
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
- verifyNoShardPresent(replicaNode3.configDataStore(), "cars");
-
- // Restart member-2 and verify member-3 isn't present.
-
- Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(replicaNode2.kit().getSystem()).selfAddress());
- replicaNode2.cleanup();
-
- MemberNode newPeplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- newPeplicaNode2.configDataStore().waitTillReady();
- verifyRaftPeersPresent(newPeplicaNode2.configDataStore(), "cars", "member-1");
-
- // Invoke RPC service on member-1 to remove member-2
-
- ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
- leaderNode1.operDataStore());
-
- rpcResult = service1.removeShardReplica(new RemoveShardReplicaInputBuilder().setShardName("cars")
- .setMemberName("member-2").setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
- verifySuccessfulRpcResult(rpcResult);
-
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars");
- verifyNoShardPresent(newPeplicaNode2.configDataStore(), "cars");
- }
-
- @Test
- public void testRemoveShardLeaderReplica() throws Exception {
- String name = "testRemoveShardLeaderReplica";
- String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
- final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.configDataStore().waitTillReady();
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
- verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
-
- replicaNode2.waitForMembersUp("member-1", "member-3");
- replicaNode3.waitForMembersUp("member-1", "member-2");
-
- // Invoke RPC service on leader member-1 to remove it's local shard
-
- ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
- leaderNode1.operDataStore());
-
- RpcResult<Void> rpcResult = service1.removeShardReplica(new RemoveShardReplicaInputBuilder()
- .setShardName("cars").setMemberName("member-1").setDataStoreType(DataStoreType.Config).build())
- .get(10, TimeUnit.SECONDS);
- verifySuccessfulRpcResult(rpcResult);
-
- verifyRaftState(replicaNode2.configDataStore(), "cars", raftState ->
- assertThat("Leader Id", raftState.getLeader(), anyOf(containsString("member-2"),
- containsString("member-3"))));
-
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-3");
- verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-2");
- verifyNoShardPresent(leaderNode1.configDataStore(), "cars");
- }
-
- @Test
- public void testAddReplicasForAllShards() throws Exception {
- String name = "testAddReplicasForAllShards";
- String moduleShardsConfig = "module-shards-member1.conf";
- MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name )
- .moduleShardsConfig(moduleShardsConfig).waitForShardLeader("cars", "people").build();
-
- ModuleShardConfiguration petsModuleConfig = new ModuleShardConfiguration(URI.create("pets-ns"), "pets-module",
- "pets", null, Arrays.asList(MEMBER_1));
- leaderNode1.configDataStore().getActorContext().getShardManager().tell(
- new CreateShard(petsModuleConfig, Shard.builder(), null), leaderNode1.kit().getRef());
- leaderNode1.kit().expectMsgClass(Success.class);
- leaderNode1.kit().waitUntilLeader(leaderNode1.configDataStore().getActorContext(), "pets");
-
- MemberNode newReplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.waitForMembersUp("member-2");
- newReplicaNode2.waitForMembersUp("member-1");
-
- newReplicaNode2.configDataStore().getActorContext().getShardManager().tell(
- new CreateShard(petsModuleConfig, Shard.builder(), null), newReplicaNode2.kit().getRef());
- newReplicaNode2.kit().expectMsgClass(Success.class);
-
- newReplicaNode2.operDataStore().getActorContext().getShardManager().tell(
- new CreateShard(new ModuleShardConfiguration(URI.create("no-leader-ns"), "no-leader-module",
- "no-leader", null, Arrays.asList(MEMBER_1)), Shard.builder(), null),
- newReplicaNode2.kit().getRef());
- newReplicaNode2.kit().expectMsgClass(Success.class);
-
- ClusterAdminRpcService service = new ClusterAdminRpcService(newReplicaNode2.configDataStore(),
- newReplicaNode2.operDataStore());
-
- RpcResult<AddReplicasForAllShardsOutput> rpcResult =
- service.addReplicasForAllShards().get(10, TimeUnit.SECONDS);
- AddReplicasForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
- verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
- successShardResult("people", DataStoreType.Config),
- successShardResult("pets", DataStoreType.Config),
- successShardResult("cars", DataStoreType.Operational),
- successShardResult("people", DataStoreType.Operational),
- failedShardResult("no-leader", DataStoreType.Operational));
-
- verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1");
- verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "people", "member-1");
- verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "pets", "member-1");
- verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1");
- verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "people", "member-1");
- }
-
- @Test
- public void testRemoveAllShardReplicas() throws Exception {
- String name = "testRemoveAllShardReplicas";
- String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
- final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.configDataStore().waitTillReady();
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
- verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
-
- ModuleShardConfiguration petsModuleConfig = new ModuleShardConfiguration(URI.create("pets-ns"), "pets-module",
- "pets", null, Arrays.asList(MEMBER_1, MEMBER_2, MEMBER_3));
- leaderNode1.configDataStore().getActorContext().getShardManager().tell(
- new CreateShard(petsModuleConfig, Shard.builder(), null), leaderNode1.kit().getRef());
- leaderNode1.kit().expectMsgClass(Success.class);
-
- replicaNode2.configDataStore().getActorContext().getShardManager().tell(
- new CreateShard(petsModuleConfig, Shard.builder(), null), replicaNode2.kit().getRef());
- replicaNode2.kit().expectMsgClass(Success.class);
-
- replicaNode3.configDataStore().getActorContext().getShardManager().tell(
- new CreateShard(petsModuleConfig, Shard.builder(), null), replicaNode3.kit().getRef());
- replicaNode3.kit().expectMsgClass(Success.class);
-
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "pets", "member-2", "member-3");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "pets", "member-1", "member-3");
- verifyRaftPeersPresent(replicaNode3.configDataStore(), "pets", "member-1", "member-2");
-
- ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
- replicaNode3.operDataStore());
-
- RpcResult<RemoveAllShardReplicasOutput> rpcResult = service3.removeAllShardReplicas(
- new RemoveAllShardReplicasInputBuilder().setMemberName("member-3").build()).get(10, TimeUnit.SECONDS);
- RemoveAllShardReplicasOutput result = verifySuccessfulRpcResult(rpcResult);
- verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
- successShardResult("people", DataStoreType.Config),
- successShardResult("pets", DataStoreType.Config),
- successShardResult("cars", DataStoreType.Operational),
- successShardResult("people", DataStoreType.Operational));
-
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2");
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "people", "member-2");
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "pets", "member-2");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "people", "member-1");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "pets", "member-1");
- verifyNoShardPresent(replicaNode3.configDataStore(), "cars");
- verifyNoShardPresent(replicaNode3.configDataStore(), "people");
- verifyNoShardPresent(replicaNode3.configDataStore(), "pets");
- }
-
- @Test
- public void testChangeMemberVotingStatesForShard() throws Exception {
- String name = "testChangeMemberVotingStatusForShard";
- String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
- final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.configDataStore().waitTillReady();
- replicaNode3.configDataStore().waitTillReady();
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
- verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
-
- // Invoke RPC service on member-3 to change voting status
-
- ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
- replicaNode3.operDataStore());
-
- RpcResult<Void> rpcResult = service3
- .changeMemberVotingStatesForShard(new ChangeMemberVotingStatesForShardInputBuilder()
- .setShardName("cars").setDataStoreType(DataStoreType.Config)
- .setMemberVotingState(ImmutableList.of(
- new MemberVotingStateBuilder().setMemberName("member-2").setVoting(false).build(),
- new MemberVotingStateBuilder().setMemberName("member-3").setVoting(false).build()))
- .build())
- .get(10, TimeUnit.SECONDS);
- verifySuccessfulRpcResult(rpcResult);
-
- verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", true),
- new SimpleEntry<>("member-2", false), new SimpleEntry<>("member-3", false));
- verifyVotingStates(replicaNode2.configDataStore(), "cars", new SimpleEntry<>("member-1", true),
- new SimpleEntry<>("member-2", false), new SimpleEntry<>("member-3", false));
- verifyVotingStates(replicaNode3.configDataStore(), "cars", new SimpleEntry<>("member-1", true),
- new SimpleEntry<>("member-2", false), new SimpleEntry<>("member-3", false));
- }
-
- @Test
- public void testChangeMemberVotingStatesForSingleNodeShard() throws Exception {
- String name = "testChangeMemberVotingStatesForSingleNodeShard";
- String moduleShardsConfig = "module-shards-member1.conf";
- MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- leaderNode.configDataStore().waitTillReady();
-
- // Invoke RPC service on member-3 to change voting status
-
- ClusterAdminRpcService service = new ClusterAdminRpcService(leaderNode.configDataStore(),
- leaderNode.operDataStore());
-
- RpcResult<Void> rpcResult = service
- .changeMemberVotingStatesForShard(new ChangeMemberVotingStatesForShardInputBuilder()
- .setShardName("cars").setDataStoreType(DataStoreType.Config)
- .setMemberVotingState(ImmutableList
- .of(new MemberVotingStateBuilder().setMemberName("member-1").setVoting(false).build()))
- .build())
- .get(10, TimeUnit.SECONDS);
- verifyFailedRpcResult(rpcResult);
-
- verifyVotingStates(leaderNode.configDataStore(), "cars", new SimpleEntry<>("member-1", true));
- }
-
- @Test
- public void testChangeMemberVotingStatesForAllShards() throws Exception {
- String name = "testChangeMemberVotingStatesForAllShards";
- String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
- final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.configDataStore().waitTillReady();
- leaderNode1.operDataStore().waitTillReady();
- replicaNode3.configDataStore().waitTillReady();
- replicaNode3.operDataStore().waitTillReady();
- verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
- verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
- verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
-
- // Invoke RPC service on member-3 to change voting status
-
- ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
- replicaNode3.operDataStore());
-
- RpcResult<ChangeMemberVotingStatesForAllShardsOutput> rpcResult = service3.changeMemberVotingStatesForAllShards(
- new ChangeMemberVotingStatesForAllShardsInputBuilder().setMemberVotingState(ImmutableList.of(
- new MemberVotingStateBuilder().setMemberName("member-2").setVoting(false).build(),
- new MemberVotingStateBuilder().setMemberName("member-3").setVoting(false).build())).build())
- .get(10, TimeUnit.SECONDS);
- ChangeMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
- verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
- successShardResult("people", DataStoreType.Config),
- successShardResult("cars", DataStoreType.Operational),
- successShardResult("people", DataStoreType.Operational));
-
- verifyVotingStates(new DistributedDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
- replicaNode2.configDataStore(), replicaNode2.operDataStore(),
- replicaNode3.configDataStore(), replicaNode3.operDataStore()},
- new String[]{"cars", "people"}, new SimpleEntry<>("member-1", true),
- new SimpleEntry<>("member-2", false), new SimpleEntry<>("member-3", false));
- }
-
- @Test
- public void testFlipMemberVotingStates() throws Exception {
- String name = "testFlipMemberVotingStates";
-
- ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
- new ServerInfo("member-1", true), new ServerInfo("member-2", true),
- new ServerInfo("member-3", false)));
-
- setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
- setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
- setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
-
- String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
- final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.configDataStore().waitTillReady();
- leaderNode1.operDataStore().waitTillReady();
- replicaNode3.configDataStore().waitTillReady();
- replicaNode3.operDataStore().waitTillReady();
- verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", true),
- new SimpleEntry<>("member-2", true), new SimpleEntry<>("member-3", false));
-
- ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
- replicaNode3.operDataStore());
-
- RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service3.flipMemberVotingStatesForAllShards()
- .get(10, TimeUnit.SECONDS);
- FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
- verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
- successShardResult("people", DataStoreType.Config),
- successShardResult("cars", DataStoreType.Operational),
- successShardResult("people", DataStoreType.Operational));
-
- verifyVotingStates(new DistributedDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
- replicaNode2.configDataStore(), replicaNode2.operDataStore(),
- replicaNode3.configDataStore(), replicaNode3.operDataStore()},
- new String[]{"cars", "people"},
- new SimpleEntry<>("member-1", false), new SimpleEntry<>("member-2", false),
- new SimpleEntry<>("member-3", true));
-
- // Leadership should have transferred to member 3 since it is the only remaining voting member.
- verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
- assertNotNull("Expected non-null leader Id", raftState.getLeader());
- assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
- raftState.getLeader().contains("member-3"));
- });
-
- verifyRaftState(leaderNode1.operDataStore(), "cars", raftState -> {
- assertNotNull("Expected non-null leader Id", raftState.getLeader());
- assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
- raftState.getLeader().contains("member-3"));
- });
-
- // Flip the voting states back to the original states.
-
- rpcResult = service3.flipMemberVotingStatesForAllShards(). get(10, TimeUnit.SECONDS);
- result = verifySuccessfulRpcResult(rpcResult);
- verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
- successShardResult("people", DataStoreType.Config),
- successShardResult("cars", DataStoreType.Operational),
- successShardResult("people", DataStoreType.Operational));
-
- verifyVotingStates(new DistributedDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
- replicaNode2.configDataStore(), replicaNode2.operDataStore(),
- replicaNode3.configDataStore(), replicaNode3.operDataStore()},
- new String[]{"cars", "people"},
- new SimpleEntry<>("member-1", true), new SimpleEntry<>("member-2", true),
- new SimpleEntry<>("member-3", false));
-
- // Leadership should have transferred to member 1 or 2.
- verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
- assertNotNull("Expected non-null leader Id", raftState.getLeader());
- assertTrue("Expected leader member-1 or member-2. Actual: " + raftState.getLeader(),
- raftState.getLeader().contains("member-1") || raftState.getLeader().contains("member-2"));
- });
- }
-
- @Test
- public void testFlipMemberVotingStatesWithNoInitialLeader() throws Exception {
- String name = "testFlipMemberVotingStatesWithNoInitialLeader";
-
- // Members 1, 2, and 3 are initially started up as non-voting. Members 4, 5, and 6 are initially
- // non-voting and simulated as down by not starting them up.
- ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
- new ServerInfo("member-1", false), new ServerInfo("member-2", false),
- new ServerInfo("member-3", false), new ServerInfo("member-4", true),
- new ServerInfo("member-5", true), new ServerInfo("member-6", true)));
-
- setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
- setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
- setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
-
- String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
- final MemberNode replicaNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- // Initially there won't be a leader b/c all the up nodes are non-voting.
-
- replicaNode1.waitForMembersUp("member-2", "member-3");
-
- verifyVotingStates(replicaNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", false),
- new SimpleEntry<>("member-2", false), new SimpleEntry<>("member-3", false),
- new SimpleEntry<>("member-4", true), new SimpleEntry<>("member-5", true),
- new SimpleEntry<>("member-6", true));
-
- verifyRaftState(replicaNode1.configDataStore(), "cars", raftState ->
- assertEquals("Expected raft state", RaftState.Follower.toString(), raftState.getRaftState()));
-
- ClusterAdminRpcService service1 = new ClusterAdminRpcService(replicaNode1.configDataStore(),
- replicaNode1.operDataStore());
-
- RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service1.flipMemberVotingStatesForAllShards()
- .get(10, TimeUnit.SECONDS);
- FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
- verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
- successShardResult("people", DataStoreType.Config),
- successShardResult("cars", DataStoreType.Operational),
- successShardResult("people", DataStoreType.Operational));
-
- verifyVotingStates(new DistributedDataStore[]{replicaNode1.configDataStore(), replicaNode1.operDataStore(),
- replicaNode2.configDataStore(), replicaNode2.operDataStore(),
- replicaNode3.configDataStore(), replicaNode3.operDataStore()},
- new String[]{"cars", "people"},
- new SimpleEntry<>("member-1", true), new SimpleEntry<>("member-2", true),
- new SimpleEntry<>("member-3", true), new SimpleEntry<>("member-4", false),
- new SimpleEntry<>("member-5", false), new SimpleEntry<>("member-6", false));
-
- // Since member 1 was changed to voting and there was no leader, it should've started and election
- // and become leader
- verifyRaftState(replicaNode1.configDataStore(), "cars", raftState -> {
- assertNotNull("Expected non-null leader Id", raftState.getLeader());
- assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
- raftState.getLeader().contains("member-1"));
- });
-
- verifyRaftState(replicaNode1.operDataStore(), "cars", raftState -> {
- assertNotNull("Expected non-null leader Id", raftState.getLeader());
- assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
- raftState.getLeader().contains("member-1"));
- });
- }
-
- @Test
- public void testFlipMemberVotingStatesWithVotingMembersDown() throws Exception {
- String name = "testFlipMemberVotingStatesWithVotingMembersDown";
-
- // Members 4, 5, and 6 are initially non-voting and simulated as down by not starting them up.
- ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
- new ServerInfo("member-1", true), new ServerInfo("member-2", true),
- new ServerInfo("member-3", true), new ServerInfo("member-4", false),
- new ServerInfo("member-5", false), new ServerInfo("member-6", false)));
-
- setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
- setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
- setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
-
- String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
- final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
- .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
- .build();
-
- final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
- .moduleShardsConfig(moduleShardsConfig).build();
-
- leaderNode1.configDataStore().waitTillReady();
- leaderNode1.operDataStore().waitTillReady();
- verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", true),
- new SimpleEntry<>("member-2", true), new SimpleEntry<>("member-3", true),
- new SimpleEntry<>("member-4", false), new SimpleEntry<>("member-5", false),
- new SimpleEntry<>("member-6", false));
-
- ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
- leaderNode1.operDataStore());
-
- RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service1.flipMemberVotingStatesForAllShards()
- .get(10, TimeUnit.SECONDS);
- FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
- verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
- successShardResult("people", DataStoreType.Config),
- successShardResult("cars", DataStoreType.Operational),
- successShardResult("people", DataStoreType.Operational));
-
- // Members 2 and 3 are now non-voting but should get replicated with the new new server config.
- verifyVotingStates(new DistributedDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
- replicaNode2.configDataStore(), replicaNode2.operDataStore(),
- replicaNode3.configDataStore(), replicaNode3.operDataStore()},
- new String[]{"cars", "people"},
- new SimpleEntry<>("member-1", false), new SimpleEntry<>("member-2", false),
- new SimpleEntry<>("member-3", false), new SimpleEntry<>("member-4", true),
- new SimpleEntry<>("member-5", true), new SimpleEntry<>("member-6", true));
-
- // The leader (member 1) was changed to non-voting but it shouldn't be able to step down as leader yet
- // b/c it can't get a majority consensus with all voting members down. So verify it remains the leader.
- verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
- assertNotNull("Expected non-null leader Id", raftState.getLeader());
- assertTrue("Expected leader member-1", raftState.getLeader().contains("member-1"));
- });
- }
-
- private void setupPersistedServerConfigPayload(ServerConfigurationPayload serverConfig,
- String member, String datastoreTypeSuffix, String... shards) {
- String[] datastoreTypes = {"config_", "oper_"};
- for (String type : datastoreTypes) {
- for (String shard : shards) {
- List<ServerInfo> newServerInfo = new ArrayList<>(serverConfig.getServerConfig().size());
- for (ServerInfo info : serverConfig.getServerConfig()) {
- newServerInfo.add(new ServerInfo(ShardIdentifier.create(shard, MemberName.forName(info.getId()),
- type + datastoreTypeSuffix).toString(), info.isVoting()));
- }
-
- String shardID = ShardIdentifier.create(shard, MemberName.forName(member),
- type + datastoreTypeSuffix).toString();
- InMemoryJournal.addEntry(shardID, 1, new UpdateElectionTerm(1, null));
- InMemoryJournal.addEntry(shardID, 2, new ReplicatedLogImplEntry(0, 1,
- new ServerConfigurationPayload(newServerInfo)));
- }
- }
- }
-
- @SafeVarargs
- private static void verifyVotingStates(DistributedDataStore[] datastores, String[] shards,
- SimpleEntry<String, Boolean>... expStates) throws Exception {
- for (DistributedDataStore datastore: datastores) {
- for (String shard: shards) {
- verifyVotingStates(datastore, shard, expStates);
- }
- }
- }
-
- @SafeVarargs
- private static void verifyVotingStates(DistributedDataStore datastore, String shardName,
- SimpleEntry<String, Boolean>... expStates) throws Exception {
- String localMemberName = datastore.getActorContext().getCurrentMemberName().getName();
- Map<String, Boolean> expStateMap = new HashMap<>();
- for (Entry<String, Boolean> e: expStates) {
- expStateMap.put(ShardIdentifier.create(shardName, MemberName.forName(e.getKey()),
- datastore.getActorContext().getDataStoreName()).toString(), e.getValue());
- }
-
- verifyRaftState(datastore, shardName, raftState -> {
- String localPeerId = ShardIdentifier.create(shardName, MemberName.forName(localMemberName),
- datastore.getActorContext().getDataStoreName()).toString();
- assertEquals("Voting state for " + localPeerId, expStateMap.get(localPeerId), raftState.isVoting());
- for (Entry<String, Boolean> e: raftState.getPeerVotingStates().entrySet()) {
- assertEquals("Voting state for " + e.getKey(), expStateMap.get(e.getKey()), e.getValue());
- }
- });
- }
-
- private static void verifyShardResults(List<ShardResult> shardResults, ShardResult... expShardResults) {
- Map<String, ShardResult> expResultsMap = new HashMap<>();
- for (ShardResult r: expShardResults) {
- expResultsMap.put(r.getShardName() + "-" + r.getDataStoreType(), r);
- }
-
- for (ShardResult result: shardResults) {
- ShardResult exp = expResultsMap.remove(result.getShardName() + "-" + result.getDataStoreType());
- assertNotNull(String.format("Unexpected result for shard %s, type %s", result.getShardName(),
- result.getDataStoreType()), exp);
- assertEquals("isSucceeded", exp.isSucceeded(), result.isSucceeded());
- if (exp.isSucceeded()) {
- assertNull("Expected null error message", result.getErrorMessage());
- } else {
- assertNotNull("Expected error message", result.getErrorMessage());
- }
- }
-
- if (!expResultsMap.isEmpty()) {
- fail("Missing shard results for " + expResultsMap.keySet());
- }
- }
-
- private static ShardResult successShardResult(String shardName, DataStoreType type) {
- return new ShardResultBuilder().setDataStoreType(type).setShardName(shardName).setSucceeded(true).build();
- }
-
- private static ShardResult failedShardResult(String shardName, DataStoreType type) {
- return new ShardResultBuilder().setDataStoreType(type).setShardName(shardName).setSucceeded(false).build();
- }
-}
Code Review / controller.git / blobdiff