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move rebalance only when active logic into node allocation, add canRebalance hook point

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kimchy 2010-08-23 18:27:01 +03:00
parent 4300a6ca18
commit 149962691e
1 changed files with 97 additions and 0 deletions
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modules/elasticsearch/src/test/java/org/elasticsearch/cluster/routing/allocation/PrimaryNotRelocatedWhileBeingRecoveredTests.java Normal file
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/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.elasticsearch.cluster.routing.allocation;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.routing.RoutingNodes;
import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.transport.DummyTransportAddress;
import org.testng.annotations.Test;
import static org.elasticsearch.cluster.ClusterState.*;
import static org.elasticsearch.cluster.metadata.IndexMetaData.*;
import static org.elasticsearch.cluster.metadata.MetaData.*;
import static org.elasticsearch.cluster.node.DiscoveryNodes.*;
import static org.elasticsearch.cluster.routing.RoutingBuilders.*;
import static org.elasticsearch.cluster.routing.ShardRoutingState.*;
import static org.elasticsearch.common.settings.ImmutableSettings.*;
import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;
/**
* @author kimchy (shay.banon)
*/
public class PrimaryNotRelocatedWhileBeingRecoveredTests {
private final ESLogger logger = Loggers.getLogger(PrimaryNotRelocatedWhileBeingRecoveredTests.class);
@Test public void testPrimaryNotRelocatedWhileBeingRecoveredFrom() {
ShardsAllocation strategy = new ShardsAllocation(settingsBuilder().put("cluster.routing.allocation.concurrent_recoveries", 10).build());
logger.info("Building initial routing table");
MetaData metaData = newMetaDataBuilder()
.put(newIndexMetaDataBuilder("test").numberOfShards(5).numberOfReplicas(1))
.build();
RoutingTable routingTable = routingTable()
.add(indexRoutingTable("test").initializeEmpty(metaData.index("test")))
.build();
ClusterState clusterState = newClusterStateBuilder().metaData(metaData).routingTable(routingTable).build();
logger.info("Adding two nodes and performing rerouting");
clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().put(newNode("node1"))).build();
routingTable = strategy.reroute(clusterState);
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
logger.info("Start the primary shard (on node1)");
RoutingNodes routingNodes = routingTable.routingNodes(clusterState.metaData());
routingTable = strategy.applyStartedShards(clusterState, routingNodes.node("node1").shardsWithState(INITIALIZING));
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(5));
logger.info("start another node, replica will start recovering form primary");
clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes()).put(newNode("node2"))).build();
routingTable = strategy.reroute(clusterState);
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(5));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(5));
logger.info("start another node, make sure the primary is not relocated");
clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes()).put(newNode("node3"))).build();
routingTable = strategy.reroute(clusterState);
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(5));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(5));
}
private DiscoveryNode newNode(String nodeId) {
return new DiscoveryNode(nodeId, DummyTransportAddress.INSTANCE);
}
}