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/*
* 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.ignite.internal.processors.cache;
import java.util.Collection;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.IgniteException;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.cluster.ClusterState;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.internal.IgniteEx;
import org.apache.ignite.internal.managers.communication.GridIoMessage;
import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionDemandMessage;
import org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionSupplyMessage;
import org.apache.ignite.internal.util.GridConcurrentHashSet;
import org.apache.ignite.lang.IgniteInClosure;
import org.apache.ignite.plugin.extensions.communication.Message;
import org.apache.ignite.spi.IgniteSpiException;
import org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.junit.Test;
import static com.google.common.base.Functions.identity;
import static org.apache.ignite.cluster.ClusterState.ACTIVE;
import static org.apache.ignite.cluster.ClusterState.INACTIVE;
/**
* Checks that join node to {@link ClusterState#INACTIVE} cluster doesn't trigger rebalance.
*/
public abstract class ClusterStateNoRebalanceAbstractTest extends GridCommonAbstractTest {
/** Entry count. */
protected static final int ENTRY_CNT = 5000;
/** */
protected static final Collection<Class> forbidden = new GridConcurrentHashSet<>();
/** */
private static AtomicReference<Exception> errEncountered = new AtomicReference<>();
/** */
private static final int GRID_CNT = 2;
/**
* @param cacheName Cache name.
* @return Cache configuration.
*/
protected abstract CacheConfiguration cacheConfiguration(String cacheName);
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String gridName) throws Exception {
IgniteConfiguration cfg = super.getConfiguration(gridName);
cfg.setActiveOnStart(false);
cfg.setCacheConfiguration(cacheConfiguration(DEFAULT_CACHE_NAME));
cfg.setClientMode(gridName.startsWith("client"));
cfg.setCommunicationSpi(new TestCommunicationSpi());
return cfg;
}
/** {@inheritDoc} */
@Override protected void afterTest() throws Exception {
stopAllGrids();
forbidden.clear();
Exception err = errEncountered.getAndSet(null);
if (err != null)
throw err;
super.afterTest();
}
/**
* @throws Exception if failed.
*/
@Test
public void testNoRebalancing() throws Exception {
forbidden.add(GridDhtPartitionSupplyMessage.class);
forbidden.add(GridDhtPartitionDemandMessage.class);
startGrids(GRID_CNT);
checkInactive(GRID_CNT);
forbidden.clear();
grid(0).cluster().state(ACTIVE);
awaitPartitionMapExchange();
final IgniteCache<Object, Object> cache = grid(0).cache(DEFAULT_CACHE_NAME);
cache.putAll(IntStream.range(0, ENTRY_CNT).boxed().collect(Collectors.toMap(identity(), identity())));
for (int g = 0; g < GRID_CNT; g++) {
// Tests that state changes are propagated to existing and new nodes.
assertEquals(ACTIVE, grid(g).cluster().state());
for (int k = 0; k < ENTRY_CNT; k++)
assertEquals(k, grid(g).cache(DEFAULT_CACHE_NAME).get(k));
}
// Check that new node startup and shutdown works fine after activation.
startGrid(GRID_CNT);
startGrid(GRID_CNT + 1);
for (int g = 0; g < GRID_CNT + 2; g++) {
for (int k = 0; k < ENTRY_CNT; k++)
assertEquals("Failed for [grid=" + g + ", key=" + k + ']', k, grid(g).cache(DEFAULT_CACHE_NAME).get(k));
}
stopGrid(GRID_CNT + 1);
for (int g = 0; g < GRID_CNT + 1; g++)
grid(g).cache(DEFAULT_CACHE_NAME).rebalance().get();
stopGrid(GRID_CNT);
for (int g = 0; g < GRID_CNT; g++) {
IgniteCache<Object, Object> cache0 = grid(g).cache(DEFAULT_CACHE_NAME);
for (int k = 0; k < ENTRY_CNT; k++)
assertEquals(k, cache0.get(k));
}
grid(0).cluster().state(INACTIVE);
checkInactive(GRID_CNT);
forbidden.add(GridDhtPartitionSupplyMessage.class);
forbidden.add(GridDhtPartitionDemandMessage.class);
// Should stop without exchange.
stopAllGrids();
}
/**
* @throws Exception if failed.
*/
@Test
public void testNoRebalancingWithClient() throws Exception {
forbidden.add(GridDhtPartitionSupplyMessage.class);
forbidden.add(GridDhtPartitionDemandMessage.class);
startGrids(GRID_CNT);
IgniteEx client = startGrid("client");
assertTrue(client.configuration().isClientMode());
checkInactive(GRID_CNT);
assertEquals(INACTIVE, client.cluster().state());
}
/** */
void checkInactive(int cnt) {
for (int g = 0; g < cnt; g++)
assertEquals(grid(g).name(), INACTIVE, grid(g).cluster().state());
}
/**
*
*/
private static class TestCommunicationSpi extends TcpCommunicationSpi {
/** {@inheritDoc} */
@Override public void sendMessage(
ClusterNode node, Message msg, IgniteInClosure<IgniteException> ackC) throws IgniteSpiException {
checkForbidden((GridIoMessage)msg);
super.sendMessage(node, msg, ackC);
}
/** {@inheritDoc} */
@Override public void sendMessage(ClusterNode node, Message msg) throws IgniteSpiException {
checkForbidden((GridIoMessage)msg);
super.sendMessage(node, msg);
}
/**
* @param msg Message to check.
*/
private void checkForbidden(GridIoMessage msg) {
if (forbidden.contains(msg.message().getClass())) {
IgniteSpiException err = new IgniteSpiException("Message is forbidden for this test: " + msg.message());
// Set error in case if this exception is not visible to the user code.
errEncountered.compareAndSet(null, err);
throw err;
}
}
}
}