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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.admin.indices.shards;
import com.carrotsearch.hppc.cursors.IntObjectCursor;
import com.carrotsearch.hppc.cursors.ObjectCursor;
import org.apache.lucene.index.CorruptIndexException;
import org.elasticsearch.action.index.IndexRequestBuilder;
import org.elasticsearch.client.Requests;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.routing.IndexRoutingTable;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.cluster.routing.ShardRoutingState;
import org.elasticsearch.common.collect.ImmutableOpenIntMap;
import org.elasticsearch.common.collect.ImmutableOpenMap;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.InternalSettingsPlugin;
import org.elasticsearch.test.MockIndexEventListener;
import org.elasticsearch.test.junit.annotations.TestLogging;
import org.elasticsearch.test.store.MockFSIndexStore;
import org.elasticsearch.test.transport.MockTransportService;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.function.Predicate;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertNoTimeout;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.greaterThanOrEqualTo;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;
@ESIntegTestCase.ClusterScope(scope = ESIntegTestCase.Scope.TEST)
public class IndicesShardStoreRequestIT extends ESIntegTestCase {
@Override
protected Collection<Class<? extends Plugin>> nodePlugins() {
return pluginList( MockFSIndexStore.TestPlugin.class);
}
public void testEmpty() {
ensureGreen();
IndicesShardStoresResponse rsp = client().admin().indices().prepareShardStores().get();
assertThat(rsp.getStoreStatuses().size(), equalTo(0));
}
@TestLogging("action.admin.indices.shards:TRACE,cluster.service:TRACE")
public void testBasic() throws Exception {
String index = "test";
internalCluster().ensureAtLeastNumDataNodes(2);
assertAcked(prepareCreate(index).setSettings(Settings.builder()
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, "2")
.put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, "1")
));
indexRandomData(index);
ensureGreen(index);
// no unallocated shards
IndicesShardStoresResponse response = client().admin().indices().prepareShardStores(index).get();
assertThat(response.getStoreStatuses().size(), equalTo(0));
// all shards
response = client().admin().indices().shardStores(Requests.indicesShardStoresRequest(index).shardStatuses("all")).get();
assertThat(response.getStoreStatuses().containsKey(index), equalTo(true));
ImmutableOpenIntMap<List<IndicesShardStoresResponse.StoreStatus>> shardStores = response.getStoreStatuses().get(index);
assertThat(shardStores.values().size(), equalTo(2));
for (ObjectCursor<List<IndicesShardStoresResponse.StoreStatus>> shardStoreStatuses : shardStores.values()) {
for (IndicesShardStoresResponse.StoreStatus storeStatus : shardStoreStatuses.value) {
assertThat(storeStatus.getVersion(), greaterThan(-1l));
assertThat(storeStatus.getAllocationId(), notNullValue());
assertThat(storeStatus.getNode(), notNullValue());
assertThat(storeStatus.getStoreException(), nullValue());
}
}
// default with unassigned shards
ensureGreen(index);
logger.info("--> disable allocation");
disableAllocation(index);
logger.info("--> stop random node");
int num = client().admin().cluster().prepareState().get().getState().nodes().getSize();
internalCluster().stopRandomNode(new IndexNodePredicate(index));
assertNoTimeout(client().admin().cluster().prepareHealth().setWaitForNodes("" + (num - 1)));
ClusterState clusterState = client().admin().cluster().prepareState().get().getState();
List<ShardRouting> unassignedShards = clusterState.routingTable().index(index).shardsWithState(ShardRoutingState.UNASSIGNED);
response = client().admin().indices().shardStores(Requests.indicesShardStoresRequest(index)).get();
assertThat(response.getStoreStatuses().containsKey(index), equalTo(true));
ImmutableOpenIntMap<List<IndicesShardStoresResponse.StoreStatus>> shardStoresStatuses = response.getStoreStatuses().get(index);
assertThat(shardStoresStatuses.size(), equalTo(unassignedShards.size()));
for (IntObjectCursor<List<IndicesShardStoresResponse.StoreStatus>> storesStatus : shardStoresStatuses) {
assertThat("must report for one store", storesStatus.value.size(), equalTo(1));
assertThat("reported store should be primary", storesStatus.value.get(0).getAllocationStatus(), equalTo(IndicesShardStoresResponse.StoreStatus.AllocationStatus.PRIMARY));
}
logger.info("--> enable allocation");
enableAllocation(index);
}
public void testIndices() throws Exception {
String index1 = "test1";
String index2 = "test2";
internalCluster().ensureAtLeastNumDataNodes(2);
assertAcked(prepareCreate(index1).setSettings(Settings.builder()
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, "2")
));
assertAcked(prepareCreate(index2).setSettings(Settings.builder()
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, "2")
));
indexRandomData(index1);
indexRandomData(index2);
ensureGreen();
IndicesShardStoresResponse response = client().admin().indices().shardStores(Requests.indicesShardStoresRequest().shardStatuses("all")).get();
ImmutableOpenMap<String, ImmutableOpenIntMap<List<IndicesShardStoresResponse.StoreStatus>>> shardStatuses = response.getStoreStatuses();
assertThat(shardStatuses.containsKey(index1), equalTo(true));
assertThat(shardStatuses.containsKey(index2), equalTo(true));
assertThat(shardStatuses.get(index1).size(), equalTo(2));
assertThat(shardStatuses.get(index2).size(), equalTo(2));
// ensure index filtering works
response = client().admin().indices().shardStores(Requests.indicesShardStoresRequest(index1).shardStatuses("all")).get();
shardStatuses = response.getStoreStatuses();
assertThat(shardStatuses.containsKey(index1), equalTo(true));
assertThat(shardStatuses.containsKey(index2), equalTo(false));
assertThat(shardStatuses.get(index1).size(), equalTo(2));
}
@AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/12416")
public void testCorruptedShards() throws Exception {
String index = "test";
internalCluster().ensureAtLeastNumDataNodes(2);
assertAcked(prepareCreate(index).setSettings(Settings.builder()
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, "5")
.put(MockFSIndexStore.INDEX_CHECK_INDEX_ON_CLOSE_SETTING.getKey(), false)
));
indexRandomData(index);
ensureGreen(index);
logger.info("--> disable allocation");
disableAllocation(index);
logger.info("--> corrupt random shard copies");
Map<Integer, Set<String>> corruptedShardIDMap = new HashMap<>();
for (String node : internalCluster().nodesInclude(index)) {
IndicesService indexServices = internalCluster().getInstance(IndicesService.class, node);
IndexService indexShards = indexServices.indexServiceSafe(index);
for (Integer shardId : indexShards.shardIds()) {
IndexShard shard = indexShards.getShard(shardId);
if (randomBoolean()) {
shard.failShard("test", new CorruptIndexException("test corrupted", ""));
Set<String> nodes = corruptedShardIDMap.get(shardId);
if (nodes == null) {
nodes = new HashSet<>();
}
nodes.add(node);
corruptedShardIDMap.put(shardId, nodes);
}
}
}
IndicesShardStoresResponse rsp = client().admin().indices().prepareShardStores(index).setShardStatuses("all").get();
ImmutableOpenIntMap<List<IndicesShardStoresResponse.StoreStatus>> shardStatuses = rsp.getStoreStatuses().get(index);
assertNotNull(shardStatuses);
assertThat(shardStatuses.size(), greaterThan(0));
for (IntObjectCursor<List<IndicesShardStoresResponse.StoreStatus>> shardStatus : shardStatuses) {
for (IndicesShardStoresResponse.StoreStatus status : shardStatus.value) {
if (corruptedShardIDMap.containsKey(shardStatus.key)
&& corruptedShardIDMap.get(shardStatus.key).contains(status.getNode().name())) {
assertThat(status.getVersion(), greaterThanOrEqualTo(0l));
assertThat(status.getStoreException(), notNullValue());
} else {
assertThat(status.getVersion(), greaterThanOrEqualTo(0l));
assertNull(status.getStoreException());
}
}
}
logger.info("--> enable allocation");
enableAllocation(index);
}
private void indexRandomData(String index) throws ExecutionException, InterruptedException {
int numDocs = scaledRandomIntBetween(10, 20);
IndexRequestBuilder[] builders = new IndexRequestBuilder[numDocs];
for (int i = 0; i < builders.length; i++) {
builders[i] = client().prepareIndex(index, "type").setSource("field", "value");
}
indexRandom(true, builders);
client().admin().indices().prepareFlush().setForce(true).setWaitIfOngoing(true).execute().actionGet();
}
private final static class IndexNodePredicate implements Predicate<Settings> {
private final Set<String> nodesWithShard;
public IndexNodePredicate(String index) {
this.nodesWithShard = findNodesWithShard(index);
}
@Override
public boolean test(Settings settings) {
return nodesWithShard.contains(settings.get("name"));
}
private Set<String> findNodesWithShard(String index) {
ClusterState state = client().admin().cluster().prepareState().get().getState();
IndexRoutingTable indexRoutingTable = state.routingTable().index(index);
List<ShardRouting> startedShards = indexRoutingTable.shardsWithState(ShardRoutingState.STARTED);
Set<String> nodesWithShard = new HashSet<>();
for (ShardRouting startedShard : startedShards) {
nodesWithShard.add(state.nodes().get(startedShard.currentNodeId()).getName());
}
return nodesWithShard;
}
}
}
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