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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* 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
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.cluster.shards;
import org.elasticsearch.action.admin.cluster.shards.ClusterSearchShardsGroup;
import org.elasticsearch.action.admin.cluster.shards.ClusterSearchShardsResponse;
import org.elasticsearch.cluster.metadata.AliasAction;
import org.elasticsearch.common.Priority;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.test.ElasticsearchIntegrationTest;
import org.elasticsearch.test.ElasticsearchIntegrationTest.ClusterScope;
import org.junit.Test;
import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
import static org.elasticsearch.test.ElasticsearchIntegrationTest.*;
import static org.hamcrest.Matchers.equalTo;
/**
*/
@ClusterScope(scope= Scope.SUITE, numDataNodes =2)
public class ClusterSearchShardsTests extends ElasticsearchIntegrationTest {
@Override
protected Settings nodeSettings(int nodeOrdinal) {
switch(nodeOrdinal) {
case 1:
return settingsBuilder().put(super.nodeSettings(nodeOrdinal)).put("node.tag", "B").build();
case 0:
return settingsBuilder().put(super.nodeSettings(nodeOrdinal)).put("node.tag", "A").build();
}
return super.nodeSettings(nodeOrdinal);
}
@Test
public void testSingleShardAllocation() throws Exception {
client().admin().indices().prepareCreate("test").setSettings(settingsBuilder()
.put("index.number_of_shards", "1").put("index.number_of_replicas", 0).put("index.routing.allocation.include.tag", "A")).execute().actionGet();
ensureGreen();
ClusterSearchShardsResponse response = client().admin().cluster().prepareSearchShards("test").execute().actionGet();
assertThat(response.getGroups().length, equalTo(1));
assertThat(response.getGroups()[0].getIndex(), equalTo("test"));
assertThat(response.getGroups()[0].getShardId(), equalTo(0));
assertThat(response.getGroups()[0].getShards().length, equalTo(1));
assertThat(response.getNodes().length, equalTo(1));
assertThat(response.getGroups()[0].getShards()[0].currentNodeId(), equalTo(response.getNodes()[0].getId()));
response = client().admin().cluster().prepareSearchShards("test").setRouting("A").execute().actionGet();
assertThat(response.getGroups().length, equalTo(1));
assertThat(response.getGroups()[0].getIndex(), equalTo("test"));
assertThat(response.getGroups()[0].getShardId(), equalTo(0));
assertThat(response.getGroups()[0].getShards().length, equalTo(1));
assertThat(response.getNodes().length, equalTo(1));
assertThat(response.getGroups()[0].getShards()[0].currentNodeId(), equalTo(response.getNodes()[0].getId()));
}
@Test
public void testMultipleShardsSingleNodeAllocation() throws Exception {
client().admin().indices().prepareCreate("test").setSettings(settingsBuilder()
.put("index.number_of_shards", "4").put("index.number_of_replicas", 0).put("index.routing.allocation.include.tag", "A")).execute().actionGet();
ensureGreen();
ClusterSearchShardsResponse response = client().admin().cluster().prepareSearchShards("test").execute().actionGet();
assertThat(response.getGroups().length, equalTo(4));
assertThat(response.getGroups()[0].getIndex(), equalTo("test"));
assertThat(response.getNodes().length, equalTo(1));
assertThat(response.getGroups()[0].getShards()[0].currentNodeId(), equalTo(response.getNodes()[0].getId()));
response = client().admin().cluster().prepareSearchShards("test").setRouting("ABC").execute().actionGet();
assertThat(response.getGroups().length, equalTo(1));
response = client().admin().cluster().prepareSearchShards("test").setPreference("_shards:2").execute().actionGet();
assertThat(response.getGroups().length, equalTo(1));
assertThat(response.getGroups()[0].getShardId(), equalTo(2));
}
@Test
public void testMultipleIndicesAllocation() throws Exception {
client().admin().indices().prepareCreate("test1").setSettings(settingsBuilder()
.put("index.number_of_shards", "4").put("index.number_of_replicas", 1)).execute().actionGet();
client().admin().indices().prepareCreate("test2").setSettings(settingsBuilder()
.put("index.number_of_shards", "4").put("index.number_of_replicas", 1)).execute().actionGet();
client().admin().indices().prepareAliases()
.addAliasAction(AliasAction.newAddAliasAction("test1", "routing_alias").routing("ABC"))
.addAliasAction(AliasAction.newAddAliasAction("test2", "routing_alias").routing("EFG"))
.execute().actionGet();
client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForGreenStatus().execute().actionGet();
ClusterSearchShardsResponse response = client().admin().cluster().prepareSearchShards("routing_alias").execute().actionGet();
assertThat(response.getGroups().length, equalTo(2));
assertThat(response.getGroups()[0].getShards().length, equalTo(2));
assertThat(response.getGroups()[1].getShards().length, equalTo(2));
boolean seenTest1 = false;
boolean seenTest2 = false;
for (ClusterSearchShardsGroup group : response.getGroups()) {
if (group.getIndex().equals("test1")) {
seenTest1 = true;
assertThat(group.getShards().length, equalTo(2));
} else if (group.getIndex().equals("test2")) {
seenTest2 = true;
assertThat(group.getShards().length, equalTo(2));
} else {
fail();
}
}
assertThat(seenTest1, equalTo(true));
assertThat(seenTest2, equalTo(true));
assertThat(response.getNodes().length, equalTo(2));
}
}