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* 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.indexlifecycle;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
import org.elasticsearch.action.admin.indices.create.CreateIndexResponse;
import org.elasticsearch.action.admin.indices.delete.DeleteIndexResponse;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.cluster.routing.RoutingNode;
import org.elasticsearch.cluster.routing.RoutingNodes;
import org.elasticsearch.cluster.routing.UnassignedInfo;
import org.elasticsearch.common.Priority;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.discovery.Discovery;
import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.ESIntegTestCase.ClusterScope;
import org.elasticsearch.test.InternalTestCluster;
import org.junit.Test;
import java.util.Set;
import static org.elasticsearch.client.Requests.clusterHealthRequest;
import static org.elasticsearch.client.Requests.createIndexRequest;
import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF_REPLICAS;
import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF_SHARDS;
import static org.elasticsearch.cluster.routing.ShardRoutingState.*;
import static org.elasticsearch.common.settings.Settings.settingsBuilder;
import static org.elasticsearch.test.ESIntegTestCase.Scope;
import static org.hamcrest.Matchers.*;
/**
*
*/
@ClusterScope(scope = Scope.TEST, numDataNodes = 0)
public class IndexLifecycleActionIT extends ESIntegTestCase {
@Test
public void testIndexLifecycleActionsWith11Shards1Backup() throws Exception {
Settings settings = settingsBuilder()
.put(SETTING_NUMBER_OF_SHARDS, 11)
.put(SETTING_NUMBER_OF_REPLICAS, 1)
.put(UnassignedInfo.INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING, "0s")
.build();
// start one server
logger.info("Starting sever1");
final String server_1 = internalCluster().startNode(settings);
final String node1 = getLocalNodeId(server_1);
logger.info("Creating index [test]");
CreateIndexResponse createIndexResponse = client().admin().indices().create(createIndexRequest("test")).actionGet();
assertThat(createIndexResponse.isAcknowledged(), equalTo(true));
logger.info("Running Cluster Health");
ClusterHealthResponse clusterHealth = client().admin().cluster().prepareHealth().setWaitForEvents(Priority.LANGUID).setWaitForYellowStatus().execute().actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.getStatus());
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.YELLOW));
ClusterState clusterState = client().admin().cluster().prepareState().get().getState();
RoutingNode routingNodeEntry1 = clusterState.getRoutingNodes().node(node1);
assertThat(routingNodeEntry1.numberOfShardsWithState(STARTED), equalTo(11));
logger.info("Starting server2");
// start another server
String server_2 = internalCluster().startNode(settings);
// first wait for 2 nodes in the cluster
logger.info("Running Cluster Health");
clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForGreenStatus().waitForNodes("2")).actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.getStatus());
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.GREEN));
final String node2 = getLocalNodeId(server_2);
// explicitly call reroute, so shards will get relocated to the new node (we delay it in ES in case other nodes join)
client().admin().cluster().prepareReroute().execute().actionGet();
clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForGreenStatus().waitForNodes("2").waitForRelocatingShards(0)).actionGet();
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.GREEN));
assertThat(clusterHealth.getNumberOfDataNodes(), equalTo(2));
assertThat(clusterHealth.getInitializingShards(), equalTo(0));
assertThat(clusterHealth.getUnassignedShards(), equalTo(0));
assertThat(clusterHealth.getRelocatingShards(), equalTo(0));
assertThat(clusterHealth.getActiveShards(), equalTo(22));
assertThat(clusterHealth.getActivePrimaryShards(), equalTo(11));
clusterState = client().admin().cluster().prepareState().get().getState();
assertNodesPresent(clusterState.getRoutingNodes(), node1, node2);
routingNodeEntry1 = clusterState.getRoutingNodes().node(node1);
assertThat(routingNodeEntry1.numberOfShardsWithState(RELOCATING), equalTo(0));
assertThat(routingNodeEntry1.numberOfShardsWithState(STARTED), equalTo(11));
RoutingNode routingNodeEntry2 = clusterState.getRoutingNodes().node(node2);
assertThat(routingNodeEntry2.numberOfShardsWithState(INITIALIZING), equalTo(0));
assertThat(routingNodeEntry2.numberOfShardsWithState(STARTED), equalTo(11));
logger.info("Starting server3");
// start another server
String server_3 = internalCluster().startNode(settings);
// first wait for 3 nodes in the cluster
clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForGreenStatus().waitForNodes("3")).actionGet();
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.GREEN));
final String node3 = getLocalNodeId(server_3);
// explicitly call reroute, so shards will get relocated to the new node (we delay it in ES in case other nodes join)
client().admin().cluster().prepareReroute().execute().actionGet();
clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForGreenStatus().waitForNodes("3").waitForRelocatingShards(0)).actionGet();
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.GREEN));
assertThat(clusterHealth.getNumberOfDataNodes(), equalTo(3));
assertThat(clusterHealth.getInitializingShards(), equalTo(0));
assertThat(clusterHealth.getUnassignedShards(), equalTo(0));
assertThat(clusterHealth.getRelocatingShards(), equalTo(0));
assertThat(clusterHealth.getActiveShards(), equalTo(22));
assertThat(clusterHealth.getActivePrimaryShards(), equalTo(11));
clusterState = client().admin().cluster().prepareState().get().getState();
assertNodesPresent(clusterState.getRoutingNodes(), node1, node2, node3);
routingNodeEntry1 = clusterState.getRoutingNodes().node(node1);
routingNodeEntry2 = clusterState.getRoutingNodes().node(node2);
RoutingNode routingNodeEntry3 = clusterState.getRoutingNodes().node(node3);
assertThat(routingNodeEntry1.numberOfShardsWithState(STARTED) + routingNodeEntry2.numberOfShardsWithState(STARTED) + routingNodeEntry3.numberOfShardsWithState(STARTED), equalTo(22));
assertThat(routingNodeEntry1.numberOfShardsWithState(RELOCATING), equalTo(0));
assertThat(routingNodeEntry1.numberOfShardsWithState(STARTED), anyOf(equalTo(7), equalTo(8)));
assertThat(routingNodeEntry2.numberOfShardsWithState(RELOCATING), equalTo(0));
assertThat(routingNodeEntry2.numberOfShardsWithState(STARTED), anyOf(equalTo(7), equalTo(8)));
assertThat(routingNodeEntry3.numberOfShardsWithState(INITIALIZING), equalTo(0));
assertThat(routingNodeEntry3.numberOfShardsWithState(STARTED), equalTo(7));
logger.info("Closing server1");
// kill the first server
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(server_1));
// verify health
logger.info("Running Cluster Health");
clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForGreenStatus().waitForNodes("2")).actionGet();
logger.info("Done Cluster Health, status " + clusterHealth.getStatus());
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.GREEN));
client().admin().cluster().prepareReroute().get();
clusterHealth = client().admin().cluster().health(clusterHealthRequest().waitForGreenStatus().waitForRelocatingShards(0).waitForNodes("2")).actionGet();
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(clusterHealth.getStatus(), equalTo(ClusterHealthStatus.GREEN));
assertThat(clusterHealth.getRelocatingShards(), equalTo(0));
assertThat(clusterHealth.getActiveShards(), equalTo(22));
assertThat(clusterHealth.getActivePrimaryShards(), equalTo(11));
clusterState = client().admin().cluster().prepareState().get().getState();
assertNodesPresent(clusterState.getRoutingNodes(), node3, node2);
routingNodeEntry2 = clusterState.getRoutingNodes().node(node2);
routingNodeEntry3 = clusterState.getRoutingNodes().node(node3);
assertThat(routingNodeEntry2.numberOfShardsWithState(STARTED) + routingNodeEntry3.numberOfShardsWithState(STARTED), equalTo(22));
assertThat(routingNodeEntry2.numberOfShardsWithState(RELOCATING), equalTo(0));
assertThat(routingNodeEntry2.numberOfShardsWithState(STARTED), equalTo(11));
assertThat(routingNodeEntry3.numberOfShardsWithState(RELOCATING), equalTo(0));
assertThat(routingNodeEntry3.numberOfShardsWithState(STARTED), equalTo(11));
logger.info("Deleting index [test]");
// last, lets delete the index
DeleteIndexResponse deleteIndexResponse = client().admin().indices().prepareDelete("test").execute().actionGet();
assertThat(deleteIndexResponse.isAcknowledged(), equalTo(true));
clusterState = client().admin().cluster().prepareState().get().getState();
assertNodesPresent(clusterState.getRoutingNodes(), node3, node2);
routingNodeEntry2 = clusterState.getRoutingNodes().node(node2);
assertThat(routingNodeEntry2.isEmpty(), equalTo(true));
routingNodeEntry3 = clusterState.getRoutingNodes().node(node3);
assertThat(routingNodeEntry3.isEmpty(), equalTo(true));
}
private String getLocalNodeId(String name) {
Discovery discovery = internalCluster().getInstance(Discovery.class, name);
String nodeId = discovery.localNode().getId();
assertThat(nodeId, not(nullValue()));
return nodeId;
}
private void assertNodesPresent(RoutingNodes routingNodes, String... nodes) {
final Set<String> keySet = Sets.newHashSet(Iterables.transform(routingNodes, new Function<RoutingNode, String>() {
@Override
public String apply(RoutingNode input) {
return input.nodeId();
}
}));
assertThat(keySet, containsInAnyOrder(nodes));
}
}