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* ownership. Elasticsearch 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
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package org.elasticsearch.discovery.zen;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
import org.elasticsearch.action.admin.indices.recovery.RecoveryResponse;
import org.elasticsearch.common.Priority;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.discovery.Discovery;
import org.elasticsearch.discovery.zen.fd.FaultDetection;
import org.elasticsearch.test.ElasticsearchIntegrationTest;
import org.junit.Test;
import static org.hamcrest.Matchers.*;
/**
*/
@ElasticsearchIntegrationTest.ClusterScope(scope = ElasticsearchIntegrationTest.Scope.TEST, numDataNodes = 0, numClientNodes = 0)
public class ZenDiscoveryRejoinOnMaster extends ElasticsearchIntegrationTest {
@Test
public void testChangeRejoinOnMasterOptionIsDynamic() throws Exception {
Settings nodeSettings = ImmutableSettings.settingsBuilder()
.put("discovery.type", "zen") // <-- To override the local setting if set externally
.build();
String nodeName = internalCluster().startNode(nodeSettings);
ZenDiscovery zenDiscovery = (ZenDiscovery) internalCluster().getInstance(Discovery.class, nodeName);
assertThat(zenDiscovery.isRejoinOnMasterGone(), is(true));
client().admin().cluster().prepareUpdateSettings()
.setTransientSettings(ImmutableSettings.builder().put(ZenDiscovery.SETTING_REJOIN_ON_MASTER_GONE, false))
.get();
assertThat(zenDiscovery.isRejoinOnMasterGone(), is(false));
}
@Test
public void testNoShardRelocationsOccurWhenElectedMasterNodeFails() throws Exception {
Settings defaultSettings = ImmutableSettings.builder()
.put(FaultDetection.SETTING_PING_TIMEOUT, "1s")
.put(FaultDetection.SETTING_PING_RETRIES, "1")
.put("discovery.type", "zen")
.build();
Settings masterNodeSettings = ImmutableSettings.builder()
.put("node.data", false)
.put(defaultSettings)
.build();
internalCluster().startNodesAsync(2, masterNodeSettings).get();
Settings dateNodeSettings = ImmutableSettings.builder()
.put("node.master", false)
.put(defaultSettings)
.build();
internalCluster().startNodesAsync(2, dateNodeSettings).get();
ClusterHealthResponse clusterHealthResponse = client().admin().cluster().prepareHealth()
.setWaitForEvents(Priority.LANGUID)
.setWaitForNodes("4")
.setWaitForRelocatingShards(0)
.get();
assertThat(clusterHealthResponse.isTimedOut(), is(false));
createIndex("test");
ensureSearchable("test");
RecoveryResponse r = client().admin().indices().prepareRecoveries("test").get();
int numRecoveriesBeforeNewMaster = r.shardResponses().get("test").size();
final String oldMaster = internalCluster().getMasterName();
internalCluster().stopCurrentMasterNode();
assertBusy(new Runnable() {
@Override
public void run() {
String current = internalCluster().getMasterName();
assertThat(current, notNullValue());
assertThat(current, not(equalTo(oldMaster)));
}
});
ensureSearchable("test");
r = client().admin().indices().prepareRecoveries("test").get();
int numRecoveriesAfterNewMaster = r.shardResponses().get("test").size();
assertThat(numRecoveriesAfterNewMaster, equalTo(numRecoveriesBeforeNewMaster));
}
}