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* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.cluster.health;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.routing.IndexRoutingTable;
import org.elasticsearch.cluster.routing.RoutingTableGenerator;
import org.elasticsearch.test.ESTestCase;
import static org.hamcrest.CoreMatchers.equalTo;
public class ClusterIndexHealthTests extends ESTestCase {
public void testClusterIndexHealth() {
RoutingTableGenerator routingTableGenerator = new RoutingTableGenerator();
int numberOfShards = randomInt(3) + 1;
int numberOfReplicas = randomInt(4);
IndexMetaData indexMetaData = IndexMetaData.builder("test1").settings(settings(Version.CURRENT)).numberOfShards(numberOfShards).numberOfReplicas(numberOfReplicas).build();
RoutingTableGenerator.ShardCounter counter = new RoutingTableGenerator.ShardCounter();
IndexRoutingTable indexRoutingTable = routingTableGenerator.genIndexRoutingTable(indexMetaData, counter);
ClusterIndexHealth indexHealth = new ClusterIndexHealth(indexMetaData, indexRoutingTable);
logger.info("index status: {}, expected {}", indexHealth.getStatus(), counter.status());
assertIndexHealth(indexHealth, counter, indexMetaData);
}
private void assertIndexHealth(ClusterIndexHealth indexHealth, RoutingTableGenerator.ShardCounter counter, IndexMetaData indexMetaData) {
assertThat(indexHealth.getStatus(), equalTo(counter.status()));
assertThat(indexHealth.getNumberOfShards(), equalTo(indexMetaData.getNumberOfShards()));
assertThat(indexHealth.getNumberOfReplicas(), equalTo(indexMetaData.getNumberOfReplicas()));
assertThat(indexHealth.getActiveShards(), equalTo(counter.active));
assertThat(indexHealth.getRelocatingShards(), equalTo(counter.relocating));
assertThat(indexHealth.getInitializingShards(), equalTo(counter.initializing));
assertThat(indexHealth.getUnassignedShards(), equalTo(counter.unassigned));
assertThat(indexHealth.getShards().size(), equalTo(indexMetaData.getNumberOfShards()));
int totalShards = 0;
for (ClusterShardHealth shardHealth : indexHealth.getShards().values()) {
totalShards += shardHealth.getActiveShards() + shardHealth.getInitializingShards() + shardHealth.getUnassignedShards();
}
assertThat(totalShards, equalTo(indexMetaData.getNumberOfShards() * (1 + indexMetaData.getNumberOfReplicas())));
}
}