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AbstractSplitBrainProtectionTest.java
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AbstractSplitBrainProtectionTest.java
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/*
* Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.splitbrainprotection;
import com.hazelcast.cache.ICache;
import com.hazelcast.cardinality.CardinalityEstimator;
import com.hazelcast.collection.IList;
import com.hazelcast.collection.IQueue;
import com.hazelcast.collection.ISet;
import com.hazelcast.config.CacheSimpleConfig;
import com.hazelcast.config.CardinalityEstimatorConfig;
import com.hazelcast.config.Config;
import com.hazelcast.config.DurableExecutorConfig;
import com.hazelcast.config.ExecutorConfig;
import com.hazelcast.config.ListConfig;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.MultiMapConfig;
import com.hazelcast.config.PNCounterConfig;
import com.hazelcast.config.QueueConfig;
import com.hazelcast.config.ReplicatedMapConfig;
import com.hazelcast.config.RingbufferConfig;
import com.hazelcast.config.ScheduledExecutorConfig;
import com.hazelcast.config.SetConfig;
import com.hazelcast.config.SplitBrainProtectionConfig;
import com.hazelcast.core.IExecutorService;
import com.hazelcast.core.IFunction;
import com.hazelcast.crdt.pncounter.PNCounter;
import com.hazelcast.durableexecutor.DurableExecutorService;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.Logger;
import com.hazelcast.map.IMap;
import com.hazelcast.multimap.MultiMap;
import com.hazelcast.replicatedmap.ReplicatedMap;
import com.hazelcast.ringbuffer.Ringbuffer;
import com.hazelcast.scheduledexecutor.IScheduledExecutorService;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.TestLoggingUtils;
import static com.hazelcast.splitbrainprotection.PartitionedCluster.SPLIT_BRAIN_PROTECTION_ID;
import static com.hazelcast.splitbrainprotection.SplitBrainProtectionOn.READ;
import static com.hazelcast.splitbrainprotection.SplitBrainProtectionOn.READ_WRITE;
import static com.hazelcast.splitbrainprotection.SplitBrainProtectionOn.WRITE;
import static java.util.Arrays.asList;
/**
* Base class for all split brain protection tests.
* <p>
* It defines split brain protection and data-structures that use it.
* Then it initialises and splits the cluster into two parts:
* <ul>
* <li>3 nodes -> this sub-cluster matches the split brain protection requirements</li>
* <li>2 nodes -> this sub-cluster DOES NOT match the split brain protection requirements</li>
* </ul>
*/
@SuppressWarnings("WeakerAccess")
public abstract class AbstractSplitBrainProtectionTest extends HazelcastTestSupport {
protected static final String CACHE_NAME = "splitBrainProtection-cache-" + randomString();
protected static final String ESTIMATOR_NAME = "splitBrainProtection-estimator-" + randomString();
protected static final String DURABLE_EXEC_NAME = "splitBrainProtection-durable-exec-" + randomString();
protected static final String EXEC_NAME = "splitBrainProtection-exec-" + randomString();
protected static final String LIST_NAME = "splitBrainProtection-list-" + randomString();
protected static final String MAP_NAME = "splitBrainProtection-map-" + randomString();
protected static final String MULTI_MAP_NAME = "splitBrainProtection-multimap-" + randomString();
protected static final String QUEUE_NAME = "splitBrainProtection-queue-" + randomString();
protected static final String REPLICATED_MAP_NAME = "splitBrainProtection-replicated-map-" + randomString();
protected static final String RINGBUFFER_NAME = "splitBrainProtection-ringbuffer-" + randomString();
protected static final String SCHEDULED_EXEC_NAME = "splitBrainProtection-scheduled-exec-" + randomString();
protected static final String SET_NAME = "splitBrainProtection-set-" + randomString();
protected static final String PN_COUNTER_NAME = "splitBrainProtection-pn-counter-" + randomString();
private static final ILogger LOGGER;
protected static PartitionedCluster cluster;
protected static TestHazelcastInstanceFactory factory;
// Initializes logging. Normally doing this once should be fine. But for some reason
// Java can't get the system property properly. So I initialize here second time aside
// from AbstractHazelcastClassRunner#initialize()
static {
TestLoggingUtils.initializeLogging();
LOGGER = Logger.getLogger(AbstractSplitBrainProtectionTest.class);
}
protected static void initTestEnvironment(Config config,
TestHazelcastInstanceFactory factory) {
if (AbstractSplitBrainProtectionTest.factory != null) {
throw new IllegalStateException("Already initialised!");
}
AbstractSplitBrainProtectionTest.factory = factory;
initCluster(PartitionedCluster.createClusterConfig(config), factory, READ, WRITE, READ_WRITE);
}
protected static void shutdownTestEnvironment() {
factory.terminateAll();
factory = null;
cluster = null;
}
protected static CacheSimpleConfig newCacheConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName) {
CacheSimpleConfig config = new CacheSimpleConfig();
config.setName(CACHE_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static CardinalityEstimatorConfig newEstimatorConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName) {
CardinalityEstimatorConfig config = new CardinalityEstimatorConfig(ESTIMATOR_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static DurableExecutorConfig newDurableExecConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName, String postfix) {
DurableExecutorConfig config = new DurableExecutorConfig(DURABLE_EXEC_NAME + splitBrainProtectionOn.name() + postfix);
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static ExecutorConfig newExecConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName, String postfix) {
ExecutorConfig config = new ExecutorConfig(EXEC_NAME + splitBrainProtectionOn.name() + postfix);
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static ListConfig newListConfig(SplitBrainProtectionOn splitBrainProtectionOn, String splitBrainProtectionName) {
ListConfig config = new ListConfig(LIST_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static MapConfig newMapConfig(SplitBrainProtectionOn splitBrainProtectionOn, String splitBrainProtectionName) {
MapConfig config = new MapConfig(MAP_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static MultiMapConfig newMultiMapConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName) {
MultiMapConfig config = new MultiMapConfig(MULTI_MAP_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static QueueConfig newQueueConfig(SplitBrainProtectionOn splitBrainProtectionOn, String splitBrainProtectionName) {
QueueConfig config = new QueueConfig(QUEUE_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
config.setBackupCount(4);
return config;
}
protected static ReplicatedMapConfig newReplicatedMapConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName) {
ReplicatedMapConfig config = new ReplicatedMapConfig(REPLICATED_MAP_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static RingbufferConfig newRingbufferConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName) {
RingbufferConfig config = new RingbufferConfig(RINGBUFFER_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
config.setBackupCount(4);
return config;
}
protected static ScheduledExecutorConfig newScheduledExecConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName, String postfix) {
ScheduledExecutorConfig config =
new ScheduledExecutorConfig(SCHEDULED_EXEC_NAME + splitBrainProtectionOn.name() + postfix);
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static SetConfig newSetConfig(SplitBrainProtectionOn splitBrainProtectionOn, String splitBrainProtectionName) {
SetConfig config = new SetConfig(SET_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static PNCounterConfig newPNCounterConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName) {
PNCounterConfig config = new PNCounterConfig(PN_COUNTER_NAME + splitBrainProtectionOn.name());
config.setSplitBrainProtectionName(splitBrainProtectionName);
return config;
}
protected static SplitBrainProtectionConfig newSplitBrainProtectionConfig(SplitBrainProtectionOn splitBrainProtectionOn,
String splitBrainProtectionName) {
SplitBrainProtectionConfig splitBrainProtectionConfig = new SplitBrainProtectionConfig();
splitBrainProtectionConfig.setName(splitBrainProtectionName);
splitBrainProtectionConfig.setProtectOn(splitBrainProtectionOn);
splitBrainProtectionConfig.setEnabled(true);
splitBrainProtectionConfig.setMinimumClusterSize(3);
return splitBrainProtectionConfig;
}
protected static void initCluster(Config config, TestHazelcastInstanceFactory factory, SplitBrainProtectionOn... types) {
cluster = new PartitionedCluster(factory);
String[] splitBrainProtectionNames = new String[types.length];
int i = 0;
for (SplitBrainProtectionOn splitBrainProtectionOn : types) {
String splitBrainProtectionName = SPLIT_BRAIN_PROTECTION_ID + splitBrainProtectionOn.name();
config.addSplitBrainProtectionConfig(newSplitBrainProtectionConfig(splitBrainProtectionOn, splitBrainProtectionName));
splitBrainProtectionNames[i++] = splitBrainProtectionName;
config.addCacheConfig(newCacheConfig(splitBrainProtectionOn, splitBrainProtectionName));
config.addCardinalityEstimatorConfig(newEstimatorConfig(splitBrainProtectionOn, splitBrainProtectionName));
config.addListConfig(newListConfig(splitBrainProtectionOn, splitBrainProtectionName));
config.addMapConfig(newMapConfig(splitBrainProtectionOn, splitBrainProtectionName));
config.addMultiMapConfig(newMultiMapConfig(splitBrainProtectionOn, splitBrainProtectionName));
config.addQueueConfig(newQueueConfig(splitBrainProtectionOn, splitBrainProtectionName));
config.addReplicatedMapConfig(newReplicatedMapConfig(splitBrainProtectionOn, splitBrainProtectionName));
config.addRingBufferConfig(newRingbufferConfig(splitBrainProtectionOn, splitBrainProtectionName));
for (String postfix : asList("", "shutdown", "shutdownNow")) {
config.addDurableExecutorConfig(newDurableExecConfig(splitBrainProtectionOn, splitBrainProtectionName, postfix));
config.addExecutorConfig(newExecConfig(splitBrainProtectionOn, splitBrainProtectionName, postfix));
config.addScheduledExecutorConfig(
newScheduledExecConfig(splitBrainProtectionOn, splitBrainProtectionName, postfix));
}
config.addSetConfig(newSetConfig(splitBrainProtectionOn, splitBrainProtectionName));
config.addPNCounterConfig(newPNCounterConfig(splitBrainProtectionOn, splitBrainProtectionName));
}
cluster.createFiveMemberCluster(config, splitBrainProtectionNames);
for (SplitBrainProtectionOn splitBrainProtectionOn : types) {
LOGGER.info("Queue size before data initialization for "
+ splitBrainProtectionOn
+ " is: "
+ cluster.instance[0].getQueue(QUEUE_NAME + splitBrainProtectionOn.name()).size());
}
initData(types);
for (SplitBrainProtectionOn splitBrainProtectionOn : types) {
LOGGER.info("Queue size after data initialization for "
+ splitBrainProtectionOn
+ " is: "
+ cluster.instance[0].getQueue(QUEUE_NAME + splitBrainProtectionOn.name()).size());
}
cluster.splitFiveMembersThreeAndTwo(splitBrainProtectionNames);
for (SplitBrainProtectionOn splitBrainProtectionOn : types) {
for (int k = 0; k < 3; k++) {
LOGGER.info("Queue size after data initialization for instance "
+ k
+ " for type "
+ splitBrainProtectionOn
+ " is: "
+ cluster.instance[k].getQueue(QUEUE_NAME + splitBrainProtectionOn.name()).size());
}
}
}
private static void initData(SplitBrainProtectionOn[] types) {
for (SplitBrainProtectionOn splitBrainProtectionOn : types) {
for (int element = 0; element < 10000; element++) {
cluster.instance[0].getQueue(QUEUE_NAME + splitBrainProtectionOn.name()).offer(element);
}
for (int id = 0; id < 10000; id++) {
cluster.instance[0].getRingbuffer(RINGBUFFER_NAME + splitBrainProtectionOn.name()).add(String.valueOf(id));
}
}
}
protected ICache<Integer, String> cache(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getCacheManager().getCache(CACHE_NAME + splitBrainProtectionOn.name());
}
protected CardinalityEstimator estimator(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getCardinalityEstimator(ESTIMATOR_NAME + splitBrainProtectionOn.name());
}
protected DurableExecutorService durableExec(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return durableExec(index, splitBrainProtectionOn, "");
}
protected DurableExecutorService durableExec(int index, SplitBrainProtectionOn splitBrainProtectionOn, String postfix) {
return cluster.instance[index].getDurableExecutorService(DURABLE_EXEC_NAME + splitBrainProtectionOn.name() + postfix);
}
protected IExecutorService exec(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return exec(index, splitBrainProtectionOn, "");
}
protected IExecutorService exec(int index, SplitBrainProtectionOn splitBrainProtectionOn, String postfix) {
return cluster.instance[index].getExecutorService(EXEC_NAME + splitBrainProtectionOn.name() + postfix);
}
protected IList list(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getList(LIST_NAME + splitBrainProtectionOn.name());
}
protected IMap map(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getMap(MAP_NAME + splitBrainProtectionOn.name());
}
protected MultiMap multimap(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getMultiMap(MULTI_MAP_NAME + splitBrainProtectionOn.name());
}
protected IQueue queue(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getQueue(QUEUE_NAME + splitBrainProtectionOn.name());
}
protected ReplicatedMap replmap(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getReplicatedMap(REPLICATED_MAP_NAME + splitBrainProtectionOn.name());
}
protected Ringbuffer ring(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getRingbuffer(RINGBUFFER_NAME + splitBrainProtectionOn.name());
}
protected IScheduledExecutorService scheduledExec(int index, SplitBrainProtectionOn splitBrainProtectionOn, String postfix) {
return cluster.instance[index].getScheduledExecutorService(SCHEDULED_EXEC_NAME + splitBrainProtectionOn.name() + postfix);
}
protected ISet set(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getSet(SET_NAME + splitBrainProtectionOn.name());
}
protected PNCounter pnCounter(int index, SplitBrainProtectionOn splitBrainProtectionOn) {
return cluster.instance[index].getPNCounter(PN_COUNTER_NAME + splitBrainProtectionOn.name());
}
protected static IFunction function() {
return (IFunction<Object, Object>) input -> input;
}
}