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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.action.support;
import org.elasticsearch.action.UnavailableShardsException;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
import org.elasticsearch.action.admin.indices.create.CreateIndexResponse;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.common.Priority;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.test.ESIntegTestCase;
import static org.elasticsearch.common.unit.TimeValue.timeValueMillis;
import static org.elasticsearch.common.unit.TimeValue.timeValueSeconds;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
import static org.hamcrest.Matchers.equalTo;
/**
* Tests setting the active shard count for replication operations (e.g. index) operates correctly.
*/
public class WaitActiveShardCountIT extends ESIntegTestCase {
public void testReplicationWaitsForActiveShardCount() throws Exception {
CreateIndexResponse createIndexResponse =
prepareCreate("test", 1, Settings.builder().put("index.number_of_shards", 1).put("index.number_of_replicas", 2)).get();
assertAcked(createIndexResponse);
// indexing, by default, will work (waiting for one shard copy only)
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"), XContentType.JSON).execute().actionGet();
try {
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"), XContentType.JSON)
.setWaitForActiveShards(2) // wait for 2 active shard copies
.setTimeout(timeValueMillis(100)).execute().actionGet();
fail("can't index, does not enough active shard copies");
} catch (UnavailableShardsException e) {
assertThat(e.status(), equalTo(RestStatus.SERVICE_UNAVAILABLE));
assertThat(e.getMessage(), equalTo("[test][0] Not enough active copies to meet shard count of [2] (have 1, needed 2). Timeout: [100ms], request: [BulkShardRequest to [test] containing [1] requests]"));
// but really, all is well
}
allowNodes("test", 2);
ClusterHealthResponse clusterHealth =
client().admin().cluster().prepareHealth()
.setWaitForEvents(Priority.LANGUID)
.setWaitForActiveShards(2)
.setWaitForYellowStatus()
.execute()
.actionGet();
logger.info("Done Cluster Health, status {}", clusterHealth.getStatus());
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.YELLOW));
// this should work, since we now have two
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"), XContentType.JSON)
.setWaitForActiveShards(2)
.setTimeout(timeValueSeconds(1)).execute().actionGet();
try {
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"), XContentType.JSON)
.setWaitForActiveShards(ActiveShardCount.ALL)
.setTimeout(timeValueMillis(100)).execute().actionGet();
fail("can't index, not enough active shard copies");
} catch (UnavailableShardsException e) {
assertThat(e.status(), equalTo(RestStatus.SERVICE_UNAVAILABLE));
assertThat(e.getMessage(), equalTo("[test][0] Not enough active copies to meet shard count of [" + ActiveShardCount.ALL + "] (have 2, needed 3). Timeout: [100ms], request: [BulkShardRequest to [test] containing [1] requests]"));
// but really, all is well
}
allowNodes("test", 3);
clusterHealth = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForActiveShards(3).setWaitForGreenStatus().execute().actionGet();
logger.info("Done Cluster Health, status {}", clusterHealth.getStatus());
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.GREEN));
// this should work, since we now have all shards started
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"), XContentType.JSON)
.setWaitForActiveShards(ActiveShardCount.ALL)
.setTimeout(timeValueSeconds(1)).execute().actionGet();
}
private String source(String id, String nameValue) {
return "{ \"type1\" : { \"id\" : \"" + id + "\", \"name\" : \"" + nameValue + "\" } }";
}
}
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