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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* 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
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* KIND, either express or implied. See the License for the
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package org.apache.cassandra.service;
import java.net.InetAddress;
import java.util.*;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import com.google.common.collect.Sets;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.concurrent.Stage;
import org.apache.cassandra.concurrent.StageManager;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.ColumnFamilyStore;
import org.apache.cassandra.db.IMutation;
import org.apache.cassandra.db.Keyspace;
import org.apache.cassandra.dht.Range;
import org.apache.cassandra.dht.Token;
import org.apache.cassandra.gms.Gossiper;
import org.apache.cassandra.locator.AbstractReplicationStrategy;
import org.apache.cassandra.locator.TokenMetadata;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.repair.RepairJobDesc;
import org.apache.cassandra.utils.FBUtilities;
import static org.apache.cassandra.service.ActiveRepairService.*;
import static org.junit.Assert.assertEquals;
public abstract class AntiEntropyServiceTestAbstract extends SchemaLoader
{
// keyspace and column family to test against
public ActiveRepairService aes;
public String keyspaceName;
public String cfname;
public RepairJobDesc desc;
public ColumnFamilyStore store;
public InetAddress LOCAL, REMOTE;
public Range<Token> local_range;
private boolean initialized;
public abstract void init();
public abstract List<IMutation> getWriteData();
@Before
public void prepare() throws Exception
{
if (!initialized)
{
initialized = true;
init();
LOCAL = FBUtilities.getBroadcastAddress();
// generate a fake endpoint for which we can spoof receiving/sending trees
REMOTE = InetAddress.getByName("127.0.0.2");
store = null;
for (ColumnFamilyStore cfs : Keyspace.open(keyspaceName).getColumnFamilyStores())
{
if (cfs.name.equals(cfname))
{
store = cfs;
break;
}
}
assert store != null : "CF not found: " + cfname;
}
aes = ActiveRepairService.instance;
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
tmd.clearUnsafe();
StorageService.instance.setTokens(Collections.singleton(StorageService.getPartitioner().getRandomToken()));
tmd.updateNormalToken(StorageService.getPartitioner().getMinimumToken(), REMOTE);
assert tmd.isMember(REMOTE);
MessagingService.instance().setVersion(REMOTE, MessagingService.current_version);
Gossiper.instance.initializeNodeUnsafe(REMOTE, UUID.randomUUID(), 1);
local_range = StorageService.instance.getPrimaryRangesForEndpoint(keyspaceName, LOCAL).iterator().next();
desc = new RepairJobDesc(UUID.randomUUID(), keyspaceName, cfname, local_range);
// Set a fake session corresponding to this fake request
ActiveRepairService.instance.submitArtificialRepairSession(desc);
}
@After
public void teardown() throws Exception
{
flushAES();
}
@Test
public void testGetNeighborsPlusOne() throws Throwable
{
// generate rf+1 nodes, and ensure that all nodes are returned
Set<InetAddress> expected = addTokens(1 + Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
expected.remove(FBUtilities.getBroadcastAddress());
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(keyspaceName);
Set<InetAddress> neighbors = new HashSet<InetAddress>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(keyspaceName, range, null, null));
}
assertEquals(expected, neighbors);
}
@Test
public void testGetNeighborsTimesTwo() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the ARS are returned
addTokens(2 * Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(keyspaceName).getReplicationStrategy();
Set<InetAddress> expected = new HashSet<InetAddress>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(keyspaceName);
Set<InetAddress> neighbors = new HashSet<InetAddress>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(keyspaceName, range, null, null));
}
assertEquals(expected, neighbors);
}
@Test
public void testGetNeighborsPlusOneInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf+1 nodes, and ensure that all nodes are returned
Set<InetAddress> expected = addTokens(1 + Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(keyspaceName);
Set<InetAddress> neighbors = new HashSet<InetAddress>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(keyspaceName, range, Arrays.asList(DatabaseDescriptor.getLocalDataCenter()), null));
}
assertEquals(expected, neighbors);
}
@Test
public void testGetNeighborsTimesTwoInLocalDC() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the ARS are returned
addTokens(2 * Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(keyspaceName).getReplicationStrategy();
Set<InetAddress> expected = new HashSet<InetAddress>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
// remove remote endpoints
TokenMetadata.Topology topology = tmd.cloneOnlyTokenMap().getTopology();
HashSet<InetAddress> localEndpoints = Sets.newHashSet(topology.getDatacenterEndpoints().get(DatabaseDescriptor.getLocalDataCenter()));
expected = Sets.intersection(expected, localEndpoints);
Collection<Range<Token>> ranges = StorageService.instance.getLocalRanges(keyspaceName);
Set<InetAddress> neighbors = new HashSet<InetAddress>();
for (Range<Token> range : ranges)
{
neighbors.addAll(ActiveRepairService.getNeighbors(keyspaceName, range, Arrays.asList(DatabaseDescriptor.getLocalDataCenter()), null));
}
assertEquals(expected, neighbors);
}
@Test
public void testGetNeighborsTimesTwoInSpecifiedHosts() throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
// generate rf*2 nodes, and ensure that only neighbors specified by the hosts are returned
addTokens(2 * Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
AbstractReplicationStrategy ars = Keyspace.open(keyspaceName).getReplicationStrategy();
List<InetAddress> expected = new ArrayList<>();
for (Range<Token> replicaRange : ars.getAddressRanges().get(FBUtilities.getBroadcastAddress()))
{
expected.addAll(ars.getRangeAddresses(tmd.cloneOnlyTokenMap()).get(replicaRange));
}
expected.remove(FBUtilities.getBroadcastAddress());
Collection<String> hosts = Arrays.asList(FBUtilities.getBroadcastAddress().getCanonicalHostName(),expected.get(0).getCanonicalHostName());
assertEquals(expected.get(0), ActiveRepairService.getNeighbors(keyspaceName, StorageService.instance.getLocalRanges(keyspaceName).iterator().next(), null, hosts).iterator().next());
}
@Test(expected = IllegalArgumentException.class)
public void testGetNeighborsSpecifiedHostsWithNoLocalHost() throws Throwable
{
addTokens(2 * Keyspace.open(keyspaceName).getReplicationStrategy().getReplicationFactor());
//Dont give local endpoint
Collection<String> hosts = Arrays.asList("127.0.0.3");
ActiveRepairService.getNeighbors(keyspaceName, StorageService.instance.getLocalRanges(keyspaceName).iterator().next(), null, hosts);
}
Set<InetAddress> addTokens(int max) throws Throwable
{
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
Set<InetAddress> endpoints = new HashSet<InetAddress>();
for (int i = 1; i <= max; i++)
{
InetAddress endpoint = InetAddress.getByName("127.0.0." + i);
tmd.updateNormalToken(StorageService.getPartitioner().getRandomToken(), endpoint);
endpoints.add(endpoint);
}
return endpoints;
}
void flushAES() throws Exception
{
final ExecutorService stage = StageManager.getStage(Stage.ANTI_ENTROPY);
final Callable noop = new Callable<Object>()
{
public Boolean call()
{
return true;
}
};
// send two tasks through the stage: one to follow existing tasks and a second to follow tasks created by
// those existing tasks: tasks won't recursively create more tasks
stage.submit(noop).get(5000, TimeUnit.MILLISECONDS);
stage.submit(noop).get(5000, TimeUnit.MILLISECONDS);
}
}