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* 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
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package org.elasticsearch.consistencylevel;
import org.elasticsearch.action.UnavailableShardsException;
import org.elasticsearch.action.WriteConsistencyLevel;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.common.Priority;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.test.ESIntegTestCase;
import org.junit.Test;
import static org.elasticsearch.common.unit.TimeValue.timeValueMillis;
import static org.elasticsearch.common.unit.TimeValue.timeValueSeconds;
import static org.hamcrest.Matchers.equalTo;
/**
*
*/
public class WriteConsistencyLevelIT extends ESIntegTestCase {
@Test
public void testWriteConsistencyLevelReplication2() throws Exception {
prepareCreate("test", 1, Settings.settingsBuilder().put("index.number_of_shards", 1).put("index.number_of_replicas", 2)).execute().actionGet();
ClusterHealthResponse clusterHealth = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForActiveShards(1).setWaitForYellowStatus().execute().actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.getStatus());
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.YELLOW));
// indexing, by default, will work (ONE consistency level)
client().prepareIndex("test", "type1", "1").setSource(source("1", "test")).setConsistencyLevel(WriteConsistencyLevel.ONE).execute().actionGet();
try {
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"))
.setConsistencyLevel(WriteConsistencyLevel.QUORUM)
.setTimeout(timeValueMillis(100)).execute().actionGet();
fail("can't index, does not match consistency");
} catch (UnavailableShardsException e) {
assertThat(e.status(), equalTo(RestStatus.SERVICE_UNAVAILABLE));
assertThat(e.getMessage(), equalTo("[test][0] Not enough active copies to meet write consistency of [QUORUM] (have 1, needed 2). Timeout: [100ms], request: [index {[test][type1][1], source[{ type1 : { \"id\" : \"1\", \"name\" : \"test\" } }]}]"));
// but really, all is well
}
allowNodes("test", 2);
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
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"))
.setConsistencyLevel(WriteConsistencyLevel.QUORUM)
.setTimeout(timeValueSeconds(1)).execute().actionGet();
try {
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"))
.setConsistencyLevel(WriteConsistencyLevel.ALL)
.setTimeout(timeValueMillis(100)).execute().actionGet();
fail("can't index, does not match consistency");
} catch (UnavailableShardsException e) {
assertThat(e.status(), equalTo(RestStatus.SERVICE_UNAVAILABLE));
assertThat(e.getMessage(), equalTo("[test][0] Not enough active copies to meet write consistency of [ALL] (have 2, needed 3). Timeout: [100ms], request: [index {[test][type1][1], source[{ type1 : { \"id\" : \"1\", \"name\" : \"test\" } }]}]"));
// 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
client().prepareIndex("test", "type1", "1").setSource(source("1", "test"))
.setConsistencyLevel(WriteConsistencyLevel.ALL)
.setTimeout(timeValueSeconds(1)).execute().actionGet();
}
private String source(String id, String nameValue) {
return "{ type1 : { \"id\" : \"" + id + "\", \"name\" : \"" + nameValue + "\" } }";
}
}