| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cassandra.dht; |
| |
| import java.net.UnknownHostException; |
| import java.util.List; |
| import java.util.Random; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Predicates; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Multimap; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.SchemaLoader; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.dht.RangeStreamer.FetchReplica; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.gms.IFailureDetectionEventListener; |
| import org.apache.cassandra.gms.IFailureDetector; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| import org.apache.cassandra.locator.TokenMetadata; |
| import org.apache.cassandra.locator.Replica; |
| import org.apache.cassandra.schema.Schema; |
| import org.apache.cassandra.service.StorageService; |
| import org.apache.cassandra.streaming.StreamOperation; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| |
| public class BootStrapperTest |
| { |
| static IPartitioner oldPartitioner; |
| |
| static Predicate<Replica> originalAlivePredicate = RangeStreamer.ALIVE_PREDICATE; |
| @BeforeClass |
| public static void setup() throws ConfigurationException |
| { |
| DatabaseDescriptor.daemonInitialization(); |
| oldPartitioner = StorageService.instance.setPartitionerUnsafe(Murmur3Partitioner.instance); |
| SchemaLoader.startGossiper(); |
| SchemaLoader.prepareServer(); |
| SchemaLoader.schemaDefinition("BootStrapperTest"); |
| RangeStreamer.ALIVE_PREDICATE = Predicates.alwaysTrue(); |
| } |
| |
| @AfterClass |
| public static void tearDown() |
| { |
| DatabaseDescriptor.setPartitionerUnsafe(oldPartitioner); |
| RangeStreamer.ALIVE_PREDICATE = originalAlivePredicate; |
| } |
| |
| @Test |
| public void testSourceTargetComputation() throws UnknownHostException |
| { |
| final int[] clusterSizes = new int[] { 1, 3, 5, 10, 100}; |
| for (String keyspaceName : Schema.instance.getNonLocalStrategyKeyspaces()) |
| { |
| int replicationFactor = Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor().allReplicas; |
| for (int clusterSize : clusterSizes) |
| if (clusterSize >= replicationFactor) |
| testSourceTargetComputation(keyspaceName, clusterSize, replicationFactor); |
| } |
| } |
| |
| private RangeStreamer testSourceTargetComputation(String keyspaceName, int numOldNodes, int replicationFactor) throws UnknownHostException |
| { |
| StorageService ss = StorageService.instance; |
| TokenMetadata tmd = ss.getTokenMetadata(); |
| |
| generateFakeEndpoints(numOldNodes); |
| Token myToken = tmd.partitioner.getRandomToken(); |
| InetAddressAndPort myEndpoint = InetAddressAndPort.getByName("127.0.0.1"); |
| |
| assertEquals(numOldNodes, tmd.sortedTokens().size()); |
| IFailureDetector mockFailureDetector = new IFailureDetector() |
| { |
| public boolean isAlive(InetAddressAndPort ep) |
| { |
| return true; |
| } |
| |
| public void interpret(InetAddressAndPort ep) { throw new UnsupportedOperationException(); } |
| public void report(InetAddressAndPort ep) { throw new UnsupportedOperationException(); } |
| public void registerFailureDetectionEventListener(IFailureDetectionEventListener listener) { throw new UnsupportedOperationException(); } |
| public void unregisterFailureDetectionEventListener(IFailureDetectionEventListener listener) { throw new UnsupportedOperationException(); } |
| public void remove(InetAddressAndPort ep) { throw new UnsupportedOperationException(); } |
| public void forceConviction(InetAddressAndPort ep) { throw new UnsupportedOperationException(); } |
| }; |
| RangeStreamer s = new RangeStreamer(tmd, null, myEndpoint, StreamOperation.BOOTSTRAP, true, DatabaseDescriptor.getEndpointSnitch(), new StreamStateStore(), mockFailureDetector, false, 1); |
| assertNotNull(Keyspace.open(keyspaceName)); |
| s.addRanges(keyspaceName, Keyspace.open(keyspaceName).getReplicationStrategy().getPendingAddressRanges(tmd, myToken, myEndpoint)); |
| |
| |
| Multimap<InetAddressAndPort, FetchReplica> toFetch = s.toFetch().get(keyspaceName); |
| |
| // Check we get get RF new ranges in total |
| assertEquals(replicationFactor, toFetch.size()); |
| |
| // there isn't any point in testing the size of these collections for any specific size. When a random partitioner |
| // is used, they will vary. |
| assert toFetch.values().size() > 0; |
| assert toFetch.keys().stream().noneMatch(myEndpoint::equals); |
| return s; |
| } |
| |
| private void generateFakeEndpoints(int numOldNodes) throws UnknownHostException |
| { |
| generateFakeEndpoints(StorageService.instance.getTokenMetadata(), numOldNodes, 1); |
| } |
| |
| private void generateFakeEndpoints(TokenMetadata tmd, int numOldNodes, int numVNodes) throws UnknownHostException |
| { |
| tmd.clearUnsafe(); |
| generateFakeEndpoints(tmd, numOldNodes, numVNodes, "0", "0"); |
| } |
| |
| Random rand = new Random(1); |
| |
| private void generateFakeEndpoints(TokenMetadata tmd, int numOldNodes, int numVNodes, String dc, String rack) throws UnknownHostException |
| { |
| IPartitioner p = tmd.partitioner; |
| |
| for (int i = 1; i <= numOldNodes; i++) |
| { |
| // leave .1 for myEndpoint |
| InetAddressAndPort addr = InetAddressAndPort.getByName("127." + dc + "." + rack + "." + (i + 1)); |
| List<Token> tokens = Lists.newArrayListWithCapacity(numVNodes); |
| for (int j = 0; j < numVNodes; ++j) |
| tokens.add(p.getRandomToken(rand)); |
| |
| tmd.updateNormalTokens(tokens, addr); |
| } |
| } |
| |
| } |