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RecoveryFromGatewayIT.java
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RecoveryFromGatewayIT.java
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/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* 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.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.gateway;
import org.apache.lucene.index.CorruptIndexException;
import org.opensearch.Version;
import org.opensearch.action.admin.cluster.configuration.AddVotingConfigExclusionsAction;
import org.opensearch.action.admin.cluster.configuration.AddVotingConfigExclusionsRequest;
import org.opensearch.action.admin.cluster.configuration.ClearVotingConfigExclusionsAction;
import org.opensearch.action.admin.cluster.configuration.ClearVotingConfigExclusionsRequest;
import org.opensearch.action.admin.cluster.health.ClusterHealthResponse;
import org.opensearch.action.admin.cluster.reroute.ClusterRerouteResponse;
import org.opensearch.action.admin.cluster.shards.ClusterSearchShardsGroup;
import org.opensearch.action.admin.cluster.shards.ClusterSearchShardsResponse;
import org.opensearch.action.admin.indices.exists.indices.IndicesExistsResponse;
import org.opensearch.action.admin.indices.recovery.RecoveryResponse;
import org.opensearch.action.admin.indices.stats.IndexStats;
import org.opensearch.action.admin.indices.stats.IndicesStatsResponse;
import org.opensearch.action.admin.indices.stats.ShardStats;
import org.opensearch.action.support.ActionTestUtils;
import org.opensearch.action.support.master.AcknowledgedResponse;
import org.opensearch.client.Requests;
import org.opensearch.cluster.ClusterState;
import org.opensearch.cluster.coordination.ElectionSchedulerFactory;
import org.opensearch.cluster.metadata.IndexMetadata;
import org.opensearch.cluster.node.DiscoveryNode;
import org.opensearch.cluster.routing.ShardRouting;
import org.opensearch.cluster.routing.ShardRoutingState;
import org.opensearch.cluster.routing.UnassignedInfo;
import org.opensearch.cluster.routing.allocation.AllocateUnassignedDecision;
import org.opensearch.cluster.routing.allocation.AllocationDecision;
import org.opensearch.cluster.routing.allocation.ExistingShardsAllocator;
import org.opensearch.cluster.service.ClusterService;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.xcontent.XContentFactory;
import org.opensearch.core.index.Index;
import org.opensearch.core.index.shard.ShardId;
import org.opensearch.env.NodeEnvironment;
import org.opensearch.gateway.TransportNodesGatewayStartedShardHelper.GatewayStartedShard;
import org.opensearch.index.IndexService;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.MergePolicyProvider;
import org.opensearch.index.engine.Engine;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.index.shard.IndexShard;
import org.opensearch.index.shard.ShardPath;
import org.opensearch.indices.IndicesService;
import org.opensearch.indices.recovery.RecoveryState;
import org.opensearch.indices.replication.common.ReplicationLuceneIndex;
import org.opensearch.indices.store.ShardAttributes;
import org.opensearch.indices.store.TransportNodesListShardStoreMetadataBatch;
import org.opensearch.indices.store.TransportNodesListShardStoreMetadataHelper;
import org.opensearch.plugins.Plugin;
import org.opensearch.test.InternalSettingsPlugin;
import org.opensearch.test.InternalTestCluster;
import org.opensearch.test.InternalTestCluster.RestartCallback;
import org.opensearch.test.OpenSearchIntegTestCase;
import org.opensearch.test.OpenSearchIntegTestCase.ClusterScope;
import org.opensearch.test.OpenSearchIntegTestCase.Scope;
import org.opensearch.test.store.MockFSIndexStore;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
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.concurrent.TimeUnit;
import java.util.function.BooleanSupplier;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static java.util.Collections.emptyMap;
import static java.util.Collections.emptySet;
import static org.opensearch.cluster.coordination.ClusterBootstrapService.INITIAL_CLUSTER_MANAGER_NODES_SETTING;
import static org.opensearch.cluster.health.ClusterHealthStatus.GREEN;
import static org.opensearch.cluster.health.ClusterHealthStatus.RED;
import static org.opensearch.cluster.health.ClusterHealthStatus.YELLOW;
import static org.opensearch.cluster.metadata.IndexMetadata.SETTING_NUMBER_OF_REPLICAS;
import static org.opensearch.cluster.metadata.IndexMetadata.SETTING_NUMBER_OF_SHARDS;
import static org.opensearch.cluster.routing.UnassignedInfo.INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING;
import static org.opensearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.opensearch.gateway.GatewayRecoveryTestUtils.corruptShard;
import static org.opensearch.gateway.GatewayRecoveryTestUtils.getDiscoveryNodes;
import static org.opensearch.gateway.GatewayRecoveryTestUtils.prepareRequestMap;
import static org.opensearch.gateway.GatewayService.RECOVER_AFTER_NODES_SETTING;
import static org.opensearch.index.query.QueryBuilders.matchAllQuery;
import static org.opensearch.index.query.QueryBuilders.termQuery;
import static org.opensearch.test.hamcrest.OpenSearchAssertions.assertAcked;
import static org.opensearch.test.hamcrest.OpenSearchAssertions.assertHitCount;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.hasSize;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;
@ClusterScope(numDataNodes = 0, scope = Scope.TEST)
public class RecoveryFromGatewayIT extends OpenSearchIntegTestCase {
@Override
protected Collection<Class<? extends Plugin>> nodePlugins() {
return Arrays.asList(MockFSIndexStore.TestPlugin.class, InternalSettingsPlugin.class);
}
public void testOneNodeRecoverFromGateway() throws Exception {
internalCluster().startNode();
String mapping = XContentFactory.jsonBuilder()
.startObject()
.startObject("properties")
.startObject("appAccountIds")
.field("type", "text")
.endObject()
.endObject()
.endObject()
.toString();
assertAcked(prepareCreate("test").setMapping(mapping));
client().prepareIndex("test")
.setId("10990239")
.setSource(jsonBuilder().startObject().startArray("appAccountIds").value(14).value(179).endArray().endObject())
.execute()
.actionGet();
client().prepareIndex("test")
.setId("10990473")
.setSource(jsonBuilder().startObject().startArray("appAccountIds").value(14).endArray().endObject())
.execute()
.actionGet();
client().prepareIndex("test")
.setId("10990513")
.setSource(jsonBuilder().startObject().startArray("appAccountIds").value(14).value(179).endArray().endObject())
.execute()
.actionGet();
client().prepareIndex("test")
.setId("10990695")
.setSource(jsonBuilder().startObject().startArray("appAccountIds").value(14).endArray().endObject())
.execute()
.actionGet();
client().prepareIndex("test")
.setId("11026351")
.setSource(jsonBuilder().startObject().startArray("appAccountIds").value(14).endArray().endObject())
.execute()
.actionGet();
refresh();
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("appAccountIds", 179)).execute().actionGet(), 2);
ensureYellow("test"); // wait for primary allocations here otherwise if we have a lot of shards we might have a
// shard that is still in post recovery when we restart and the ensureYellow() below will timeout
Map<String, long[]> primaryTerms = assertAndCapturePrimaryTerms(null);
internalCluster().fullRestart();
logger.info("Running Cluster Health (wait for the shards to startup)");
ensureYellow();
primaryTerms = assertAndCapturePrimaryTerms(primaryTerms);
client().admin().indices().prepareRefresh().execute().actionGet();
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("appAccountIds", 179)).execute().actionGet(), 2);
internalCluster().fullRestart();
logger.info("Running Cluster Health (wait for the shards to startup)");
ensureYellow();
primaryTerms = assertAndCapturePrimaryTerms(primaryTerms);
client().admin().indices().prepareRefresh().execute().actionGet();
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("appAccountIds", 179)).execute().actionGet(), 2);
}
private Map<String, long[]> assertAndCapturePrimaryTerms(Map<String, long[]> previousTerms) {
if (previousTerms == null) {
previousTerms = new HashMap<>();
}
final Map<String, long[]> result = new HashMap<>();
final ClusterState state = client().admin().cluster().prepareState().get().getState();
for (final IndexMetadata indexMetadata : state.metadata().indices().values()) {
final String index = indexMetadata.getIndex().getName();
final long[] previous = previousTerms.get(index);
final long[] current = IntStream.range(0, indexMetadata.getNumberOfShards()).mapToLong(indexMetadata::primaryTerm).toArray();
if (previous == null) {
result.put(index, current);
} else {
assertThat("number of terms changed for index [" + index + "]", current.length, equalTo(previous.length));
for (int shard = 0; shard < current.length; shard++) {
assertThat(
"primary term didn't increase for [" + index + "][" + shard + "]",
current[shard],
greaterThan(previous[shard])
);
}
result.put(index, current);
}
}
return result;
}
public void testSingleNodeNoFlush() throws Exception {
internalCluster().startNode();
String mapping = XContentFactory.jsonBuilder()
.startObject()
.startObject("properties")
.startObject("field")
.field("type", "text")
.endObject()
.startObject("num")
.field("type", "integer")
.endObject()
.endObject()
.endObject()
.toString();
// note: default replica settings are tied to #data nodes-1 which is 0 here. We can do with 1 in this test.
int numberOfShards = numberOfShards();
assertAcked(
prepareCreate("test").setSettings(
Settings.builder().put(SETTING_NUMBER_OF_SHARDS, numberOfShards()).put(SETTING_NUMBER_OF_REPLICAS, randomIntBetween(0, 1))
).setMapping(mapping)
);
int value1Docs;
int value2Docs;
boolean indexToAllShards = randomBoolean();
if (indexToAllShards) {
// insert enough docs so all shards will have a doc
value1Docs = randomIntBetween(numberOfShards * 10, numberOfShards * 20);
value2Docs = randomIntBetween(numberOfShards * 10, numberOfShards * 20);
} else {
// insert a two docs, some shards will not have anything
value1Docs = 1;
value2Docs = 1;
}
for (int i = 0; i < 1 + randomInt(100); i++) {
for (int id = 0; id < Math.max(value1Docs, value2Docs); id++) {
if (id < value1Docs) {
index(
"test",
"type1",
"1_" + id,
jsonBuilder().startObject().field("field", "value1").startArray("num").value(14).value(179).endArray().endObject()
);
}
if (id < value2Docs) {
index(
"test",
"type1",
"2_" + id,
jsonBuilder().startObject().field("field", "value2").startArray("num").value(14).endArray().endObject()
);
}
}
}
refresh();
for (int i = 0; i <= randomInt(10); i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).get(), value1Docs + value2Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("field", "value1")).get(), value1Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("field", "value2")).get(), value2Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("num", 179)).get(), value1Docs);
}
if (!indexToAllShards) {
// we have to verify primaries are started for them to be restored
logger.info("Ensure all primaries have been started");
ensureYellow();
}
Map<String, long[]> primaryTerms = assertAndCapturePrimaryTerms(null);
internalCluster().fullRestart();
logger.info("Running Cluster Health (wait for the shards to startup)");
ensureYellow();
primaryTerms = assertAndCapturePrimaryTerms(primaryTerms);
for (int i = 0; i <= randomInt(10); i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).get(), value1Docs + value2Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("field", "value1")).get(), value1Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("field", "value2")).get(), value2Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("num", 179)).get(), value1Docs);
}
internalCluster().fullRestart();
logger.info("Running Cluster Health (wait for the shards to startup)");
ensureYellow();
primaryTerms = assertAndCapturePrimaryTerms(primaryTerms);
for (int i = 0; i <= randomInt(10); i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).get(), value1Docs + value2Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("field", "value1")).get(), value1Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("field", "value2")).get(), value2Docs);
assertHitCount(client().prepareSearch().setSize(0).setQuery(termQuery("num", 179)).get(), value1Docs);
}
}
public void testSingleNodeWithFlush() throws Exception {
internalCluster().startNode();
client().prepareIndex("test")
.setId("1")
.setSource(jsonBuilder().startObject().field("field", "value1").endObject())
.execute()
.actionGet();
flush();
client().prepareIndex("test")
.setId("2")
.setSource(jsonBuilder().startObject().field("field", "value2").endObject())
.execute()
.actionGet();
refresh();
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).execute().actionGet(), 2);
ensureYellow("test"); // wait for primary allocations here otherwise if we have a lot of shards we might have a
// shard that is still in post recovery when we restart and the ensureYellow() below will timeout
Map<String, long[]> primaryTerms = assertAndCapturePrimaryTerms(null);
internalCluster().fullRestart();
logger.info("Running Cluster Health (wait for the shards to startup)");
ensureYellow();
primaryTerms = assertAndCapturePrimaryTerms(primaryTerms);
for (int i = 0; i < 10; i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).execute().actionGet(), 2);
}
internalCluster().fullRestart();
logger.info("Running Cluster Health (wait for the shards to startup)");
ensureYellow();
primaryTerms = assertAndCapturePrimaryTerms(primaryTerms);
for (int i = 0; i < 10; i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).execute().actionGet(), 2);
}
}
public void testTwoNodeFirstNodeCleared() throws Exception {
final String firstNode = internalCluster().startNode();
internalCluster().startNode();
client().prepareIndex("test")
.setId("1")
.setSource(jsonBuilder().startObject().field("field", "value1").endObject())
.execute()
.actionGet();
flush();
client().prepareIndex("test")
.setId("2")
.setSource(jsonBuilder().startObject().field("field", "value2").endObject())
.execute()
.actionGet();
refresh();
logger.info("Running Cluster Health (wait for the shards to startup)");
ensureGreen();
for (int i = 0; i < 10; i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).execute().actionGet(), 2);
}
Map<String, long[]> primaryTerms = assertAndCapturePrimaryTerms(null);
client().execute(AddVotingConfigExclusionsAction.INSTANCE, new AddVotingConfigExclusionsRequest(firstNode)).get();
internalCluster().fullRestart(new RestartCallback() {
@Override
public Settings onNodeStopped(String nodeName) {
return Settings.builder()
.put(RECOVER_AFTER_NODES_SETTING.getKey(), 2)
.putList(INITIAL_CLUSTER_MANAGER_NODES_SETTING.getKey()) // disable bootstrapping
.build();
}
@Override
public boolean clearData(String nodeName) {
return firstNode.equals(nodeName);
}
});
logger.info("Running Cluster Health (wait for the shards to startup)");
ensureGreen();
primaryTerms = assertAndCapturePrimaryTerms(primaryTerms);
for (int i = 0; i < 10; i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).execute().actionGet(), 2);
}
client().execute(ClearVotingConfigExclusionsAction.INSTANCE, new ClearVotingConfigExclusionsRequest()).get();
}
public void testLatestVersionLoaded() throws Exception {
// clean two nodes
List<String> nodes = internalCluster().startNodes(2, Settings.builder().put("gateway.recover_after_nodes", 2).build());
Settings node1DataPathSettings = internalCluster().dataPathSettings(nodes.get(0));
Settings node2DataPathSettings = internalCluster().dataPathSettings(nodes.get(1));
assertAcked(client().admin().indices().prepareCreate("test"));
client().prepareIndex("test")
.setId("1")
.setSource(jsonBuilder().startObject().field("field", "value1").endObject())
.execute()
.actionGet();
client().admin().indices().prepareFlush().execute().actionGet();
client().prepareIndex("test")
.setId("2")
.setSource(jsonBuilder().startObject().field("field", "value2").endObject())
.execute()
.actionGet();
client().admin().indices().prepareRefresh().execute().actionGet();
logger.info("--> running cluster_health (wait for the shards to startup)");
ensureGreen();
for (int i = 0; i < 10; i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).execute().actionGet(), 2);
}
String metadataUuid = client().admin().cluster().prepareState().execute().get().getState().getMetadata().clusterUUID();
assertThat(metadataUuid, not(equalTo("_na_")));
logger.info("--> closing first node, and indexing more data to the second node");
internalCluster().stopRandomDataNode();
logger.info("--> one node is closed - start indexing data into the second one");
client().prepareIndex("test")
.setId("3")
.setSource(jsonBuilder().startObject().field("field", "value3").endObject())
.execute()
.actionGet();
// TODO: remove once refresh doesn't fail immediately if there a cluster-manager block:
// https://github.com/elastic/elasticsearch/issues/9997
// client().admin().cluster().prepareHealth("test").setWaitForYellowStatus().get();
logger.info("--> refreshing all indices after indexing is complete");
client().admin().indices().prepareRefresh().execute().actionGet();
logger.info("--> checking if documents exist, there should be 3");
for (int i = 0; i < 10; i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).execute().actionGet(), 3);
}
logger.info("--> add some metadata and additional template");
client().admin()
.indices()
.preparePutTemplate("template_1")
.setPatterns(Collections.singletonList("te*"))
.setOrder(0)
.setMapping(
XContentFactory.jsonBuilder()
.startObject()
.startObject("properties")
.startObject("field1")
.field("type", "text")
.field("store", true)
.endObject()
.startObject("field2")
.field("type", "keyword")
.field("store", true)
.endObject()
.endObject()
.endObject()
)
.execute()
.actionGet();
client().admin()
.indices()
.prepareAliases()
.addAlias("test", "test_alias", QueryBuilders.termQuery("field", "value"))
.execute()
.actionGet();
logger.info("--> stopping the second node");
internalCluster().stopRandomDataNode();
logger.info("--> starting the two nodes back");
internalCluster().startNodes(
Settings.builder().put(node1DataPathSettings).put("gateway.recover_after_nodes", 2).build(),
Settings.builder().put(node2DataPathSettings).put("gateway.recover_after_nodes", 2).build()
);
logger.info("--> running cluster_health (wait for the shards to startup)");
ensureGreen();
assertThat(client().admin().cluster().prepareState().execute().get().getState().getMetadata().clusterUUID(), equalTo(metadataUuid));
for (int i = 0; i < 10; i++) {
assertHitCount(client().prepareSearch().setSize(0).setQuery(matchAllQuery()).execute().actionGet(), 3);
}
ClusterState state = client().admin().cluster().prepareState().execute().actionGet().getState();
assertThat(state.metadata().templates().get("template_1").patterns(), equalTo(Collections.singletonList("te*")));
assertThat(state.metadata().index("test").getAliases().get("test_alias"), notNullValue());
assertThat(state.metadata().index("test").getAliases().get("test_alias").filter(), notNullValue());
}
public void testReuseInFileBasedPeerRecovery() throws Exception {
internalCluster().startClusterManagerOnlyNode();
final String primaryNode = internalCluster().startDataOnlyNode(nodeSettings(0));
// create the index with our mapping
client(primaryNode).admin()
.indices()
.prepareCreate("test")
.setSettings(
Settings.builder()
.put("number_of_shards", 1)
.put("number_of_replicas", 1)
// disable merges to keep segments the same
.put(MergePolicyProvider.INDEX_MERGE_ENABLED, false)
// expire retention leases quickly
.put(IndexService.RETENTION_LEASE_SYNC_INTERVAL_SETTING.getKey(), "100ms")
)
.get();
logger.info("--> indexing docs");
int numDocs = randomIntBetween(1, 1024);
for (int i = 0; i < numDocs; i++) {
client(primaryNode).prepareIndex("test").setSource("field", "value").execute().actionGet();
}
client(primaryNode).admin().indices().prepareFlush("test").setForce(true).get();
// start the replica node; we do this after indexing so a file-based recovery is triggered to ensure the files are identical
final String replicaNode = internalCluster().startDataOnlyNode(nodeSettings(1));
ensureGreen();
final RecoveryResponse initialRecoveryReponse = client().admin().indices().prepareRecoveries("test").get();
final Set<String> files = new HashSet<>();
for (final RecoveryState recoveryState : initialRecoveryReponse.shardRecoveryStates().get("test")) {
if (recoveryState.getTargetNode().getName().equals(replicaNode)) {
for (final ReplicationLuceneIndex.FileMetadata file : recoveryState.getIndex().fileDetails()) {
files.add(file.name());
}
break;
}
}
logger.info("--> restart replica node");
boolean softDeleteEnabled = internalCluster().getInstance(IndicesService.class, primaryNode)
.indexServiceSafe(resolveIndex("test"))
.getShard(0)
.indexSettings()
.isSoftDeleteEnabled();
int moreDocs = randomIntBetween(1, 1024);
internalCluster().restartNode(replicaNode, new RestartCallback() {
@Override
public Settings onNodeStopped(String nodeName) throws Exception {
// index some more documents; we expect to reuse the files that already exist on the replica
for (int i = 0; i < moreDocs; i++) {
client(primaryNode).prepareIndex("test").setSource("field", "value").execute().actionGet();
}
// prevent a sequence-number-based recovery from being possible
client(primaryNode).admin()
.indices()
.prepareUpdateSettings("test")
.setSettings(
Settings.builder()
.put(IndexSettings.INDEX_TRANSLOG_RETENTION_AGE_SETTING.getKey(), "-1")
.put(IndexSettings.INDEX_TRANSLOG_RETENTION_SIZE_SETTING.getKey(), "-1")
.put(IndexSettings.INDEX_SOFT_DELETES_RETENTION_OPERATIONS_SETTING.getKey(), 0)
.put(IndexSettings.INDEX_SOFT_DELETES_RETENTION_LEASE_PERIOD_SETTING.getKey(), "0s")
)
.get();
assertBusy(
() -> assertThat(
client().admin().indices().prepareStats("test").get().getShards()[0].getRetentionLeaseStats()
.retentionLeases()
.leases()
.size(),
equalTo(1)
)
);
client().admin().indices().prepareFlush("test").setForce(true).get();
if (softDeleteEnabled) { // We need an extra flush to advance the min_retained_seqno of the SoftDeletesPolicy
client().admin().indices().prepareFlush("test").setForce(true).get();
}
return super.onNodeStopped(nodeName);
}
});
ensureGreen();
final RecoveryResponse recoveryResponse = client().admin().indices().prepareRecoveries("test").get();
for (final RecoveryState recoveryState : recoveryResponse.shardRecoveryStates().get("test")) {
long recovered = 0;
long reused = 0;
int filesRecovered = 0;
int filesReused = 0;
for (final ReplicationLuceneIndex.FileMetadata file : recoveryState.getIndex().fileDetails()) {
if (files.contains(file.name()) == false) {
recovered += file.length();
filesRecovered++;
} else {
reused += file.length();
filesReused++;
}
}
if (recoveryState.getPrimary()) {
assertThat(recoveryState.getIndex().recoveredBytes(), equalTo(0L));
assertThat(recoveryState.getIndex().reusedBytes(), equalTo(recoveryState.getIndex().totalBytes()));
assertThat(recoveryState.getIndex().recoveredFileCount(), equalTo(0));
assertThat(recoveryState.getIndex().reusedFileCount(), equalTo(recoveryState.getIndex().totalFileCount()));
} else {
logger.info(
"--> replica shard {} recovered from {} to {}, recovered {}, reuse {}",
recoveryState.getShardId().getId(),
recoveryState.getSourceNode().getName(),
recoveryState.getTargetNode().getName(),
recoveryState.getIndex().recoveredBytes(),
recoveryState.getIndex().reusedBytes()
);
assertThat("bytes should have been recovered", recoveryState.getIndex().recoveredBytes(), equalTo(recovered));
assertThat("data should have been reused", recoveryState.getIndex().reusedBytes(), greaterThan(0L));
// we have to recover the segments file since we commit the translog ID on engine startup
assertThat(
"all existing files should be reused, byte count mismatch",
recoveryState.getIndex().reusedBytes(),
equalTo(reused)
);
assertThat(recoveryState.getIndex().reusedBytes(), equalTo(recoveryState.getIndex().totalBytes() - recovered));
assertThat(
"the segment from the last round of indexing should be recovered",
recoveryState.getIndex().recoveredFileCount(),
equalTo(filesRecovered)
);
assertThat(
"all existing files should be reused, file count mismatch",
recoveryState.getIndex().reusedFileCount(),
equalTo(filesReused)
);
assertThat(recoveryState.getIndex().reusedFileCount(), equalTo(recoveryState.getIndex().totalFileCount() - filesRecovered));
assertThat("> 0 files should be reused", recoveryState.getIndex().reusedFileCount(), greaterThan(0));
assertThat("no translog ops should be recovered", recoveryState.getTranslog().recoveredOperations(), equalTo(0));
}
}
}
public void assertSyncIdsNotNull() {
IndexStats indexStats = client().admin().indices().prepareStats("test").get().getIndex("test");
for (ShardStats shardStats : indexStats.getShards()) {
assertNotNull(shardStats.getCommitStats().getUserData().get(Engine.SYNC_COMMIT_ID));
}
}
public void testStartedShardFoundIfStateNotYetProcessed() throws Exception {
// nodes may need to report the shards they processed the initial recovered cluster state from the cluster-manager
final String nodeName = internalCluster().startNode();
createIndex("test", Settings.builder().put(SETTING_NUMBER_OF_SHARDS, 1).build());
final String customDataPath = IndexMetadata.INDEX_DATA_PATH_SETTING.get(
client().admin().indices().prepareGetSettings("test").get().getIndexToSettings().get("test")
);
final Index index = resolveIndex("test");
final ShardId shardId = new ShardId(index, 0);
index("test", "type", "1");
flush("test");
final boolean corrupt = randomBoolean();
internalCluster().fullRestart(new RestartCallback() {
@Override
public Settings onNodeStopped(String nodeName) throws Exception {
// make sure state is not recovered
return Settings.builder().put(RECOVER_AFTER_NODES_SETTING.getKey(), 2).build();
}
});
if (corrupt) {
for (Path path : internalCluster().getInstance(NodeEnvironment.class, nodeName).availableShardPaths(shardId)) {
final Path indexPath = path.resolve(ShardPath.INDEX_FOLDER_NAME);
if (Files.exists(indexPath)) { // multi data path might only have one path in use
try (DirectoryStream<Path> stream = Files.newDirectoryStream(indexPath)) {
for (Path item : stream) {
if (item.getFileName().toString().startsWith("segments_")) {
logger.debug("--> deleting [{}]", item);
Files.delete(item);
}
}
}
}
}
}
DiscoveryNode node = internalCluster().getInstance(ClusterService.class, nodeName).localNode();
TransportNodesListGatewayStartedShards.NodesGatewayStartedShards response;
response = ActionTestUtils.executeBlocking(
internalCluster().getInstance(TransportNodesListGatewayStartedShards.class),
new TransportNodesListGatewayStartedShards.Request(shardId, customDataPath, new DiscoveryNode[] { node })
);
assertThat(response.getNodes(), hasSize(1));
assertThat(response.getNodes().get(0).getGatewayShardStarted().allocationId(), notNullValue());
if (corrupt) {
assertThat(response.getNodes().get(0).getGatewayShardStarted().storeException(), notNullValue());
} else {
assertThat(response.getNodes().get(0).getGatewayShardStarted().storeException(), nullValue());
}
// start another node so cluster consistency checks won't time out due to the lack of state
internalCluster().startNode();
}
public void testMessyElectionsStillMakeClusterGoGreen() throws Exception {
internalCluster().startNodes(
3,
Settings.builder().put(ElectionSchedulerFactory.ELECTION_INITIAL_TIMEOUT_SETTING.getKey(), "2ms").build()
);
createIndex(
"test",
Settings.builder()
.put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1)
.put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 0)
.put(INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING.getKey(), "100ms")
.put(UnassignedInfo.INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING.getKey(), "100ms")
.build()
);
ensureGreen("test");
internalCluster().fullRestart();
ensureGreen("test");
}
public void testBatchModeEnabledWithoutTimeout() throws Exception {
internalCluster().startClusterManagerOnlyNodes(
1,
Settings.builder().put(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.getKey(), true).build()
);
List<String> dataOnlyNodes = internalCluster().startDataOnlyNodes(2);
createIndex(
"test",
Settings.builder().put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1).put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 1).build()
);
ensureGreen("test");
Settings node0DataPathSettings = internalCluster().dataPathSettings(dataOnlyNodes.get(0));
Settings node1DataPathSettings = internalCluster().dataPathSettings(dataOnlyNodes.get(1));
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(dataOnlyNodes.get(0)));
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(dataOnlyNodes.get(1)));
ensureRed("test");
ensureStableCluster(1);
logger.info("--> Now do a protective reroute");
ClusterRerouteResponse clusterRerouteResponse = client().admin().cluster().prepareReroute().setRetryFailed(true).get();
assertTrue(clusterRerouteResponse.isAcknowledged());
ShardsBatchGatewayAllocator gatewayAllocator = internalCluster().getInstance(
ShardsBatchGatewayAllocator.class,
internalCluster().getClusterManagerName()
);
assertTrue(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.get(internalCluster().clusterService().getSettings()));
assertEquals(1, gatewayAllocator.getNumberOfStartedShardBatches());
// Replica shard would be marked ineligible since there are no data nodes.
// It would then be removed from any batch and batches would get deleted, so we would have 0 replica batches
assertEquals(0, gatewayAllocator.getNumberOfStoreShardBatches());
// Now start one data node
logger.info("--> restarting the first stopped node");
internalCluster().startDataOnlyNode(Settings.builder().put("node.name", dataOnlyNodes.get(0)).put(node0DataPathSettings).build());
ensureStableCluster(2);
ensureYellow("test");
assertEquals(0, gatewayAllocator.getNumberOfStartedShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfStoreShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfInFlightFetches());
// calling reroute and asserting on reroute response
logger.info("--> calling reroute while cluster is yellow");
clusterRerouteResponse = client().admin().cluster().prepareReroute().setRetryFailed(true).get();
assertTrue(clusterRerouteResponse.isAcknowledged());
// Now start last data node and ensure batch mode is working and cluster goes green
logger.info("--> restarting the second stopped node");
internalCluster().startDataOnlyNode(Settings.builder().put("node.name", dataOnlyNodes.get(1)).put(node1DataPathSettings).build());
ensureStableCluster(3);
ensureGreen("test");
assertEquals(0, gatewayAllocator.getNumberOfStartedShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfStoreShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfInFlightFetches());
}
public void testBatchModeEnabledWithSufficientTimeoutAndClusterGreen() throws Exception {
internalCluster().startClusterManagerOnlyNodes(
1,
Settings.builder()
.put(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.getKey(), true)
.put(ShardsBatchGatewayAllocator.PRIMARY_BATCH_ALLOCATOR_TIMEOUT_SETTING.getKey(), "20s")
.put(ShardsBatchGatewayAllocator.REPLICA_BATCH_ALLOCATOR_TIMEOUT_SETTING.getKey(), "20s")
.build()
);
List<String> dataOnlyNodes = internalCluster().startDataOnlyNodes(2);
createIndex(
"test",
Settings.builder().put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1).put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 1).build()
);
ensureGreen("test");
Settings node0DataPathSettings = internalCluster().dataPathSettings(dataOnlyNodes.get(0));
Settings node1DataPathSettings = internalCluster().dataPathSettings(dataOnlyNodes.get(1));
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(dataOnlyNodes.get(0)));
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(dataOnlyNodes.get(1)));
ensureRed("test");
ensureStableCluster(1);
logger.info("--> Now do a protective reroute");
ClusterRerouteResponse clusterRerouteResponse = client().admin().cluster().prepareReroute().setRetryFailed(true).get();
assertTrue(clusterRerouteResponse.isAcknowledged());
ShardsBatchGatewayAllocator gatewayAllocator = internalCluster().getInstance(
ShardsBatchGatewayAllocator.class,
internalCluster().getClusterManagerName()
);
assertTrue(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.get(internalCluster().clusterService().getSettings()));
assertEquals(1, gatewayAllocator.getNumberOfStartedShardBatches());
// Replica shard would be marked ineligible since there are no data nodes.
// It would then be removed from any batch and batches would get deleted, so we would have 0 replica batches
assertEquals(0, gatewayAllocator.getNumberOfStoreShardBatches());
// Now start one data nodes and ensure batch mode is working
logger.info("--> restarting the first stopped node");
internalCluster().startDataOnlyNode(Settings.builder().put("node.name", dataOnlyNodes.get(0)).put(node0DataPathSettings).build());
ensureStableCluster(2);
ensureYellow("test");
assertEquals(0, gatewayAllocator.getNumberOfStartedShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfStoreShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfInFlightFetches());
// calling reroute and asserting on reroute response
logger.info("--> calling reroute while cluster is yellow");
clusterRerouteResponse = client().admin().cluster().prepareReroute().setRetryFailed(true).get();
assertTrue(clusterRerouteResponse.isAcknowledged());
// Now start last data node and ensure batch mode is working and cluster goes green
logger.info("--> restarting the second stopped node");
internalCluster().startDataOnlyNode(Settings.builder().put("node.name", dataOnlyNodes.get(1)).put(node1DataPathSettings).build());
ensureStableCluster(3);
ensureGreen("test");
assertEquals(0, gatewayAllocator.getNumberOfStartedShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfStoreShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfInFlightFetches());
}
public void testBatchModeEnabledWithDisabledTimeoutAndClusterGreen() throws Exception {
internalCluster().startClusterManagerOnlyNodes(
1,
Settings.builder().put(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.getKey(), true).build()
);
List<String> dataOnlyNodes = internalCluster().startDataOnlyNodes(2);
createNIndices(50, "test"); // this will create 50p, 50r shards
ensureStableCluster(3);
IndicesStatsResponse indicesStats = dataNodeClient().admin().indices().prepareStats().get();
assertThat(indicesStats.getSuccessfulShards(), equalTo(100));
ClusterHealthResponse health = client().admin()
.cluster()
.health(Requests.clusterHealthRequest().waitForGreenStatus().timeout("1m"))
.actionGet();
assertFalse(health.isTimedOut());
assertEquals(GREEN, health.getStatus());
String clusterManagerName = internalCluster().getClusterManagerName();
Settings clusterManagerDataPathSettings = internalCluster().dataPathSettings(clusterManagerName);
Settings node0DataPathSettings = internalCluster().dataPathSettings(dataOnlyNodes.get(0));
Settings node1DataPathSettings = internalCluster().dataPathSettings(dataOnlyNodes.get(1));
internalCluster().stopCurrentClusterManagerNode();
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(dataOnlyNodes.get(0)));
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(dataOnlyNodes.get(1)));
// Now start cluster manager node and post that verify batches created
internalCluster().startClusterManagerOnlyNodes(
1,
Settings.builder()
.put("node.name", clusterManagerName)
.put(clusterManagerDataPathSettings)
.put(ShardsBatchGatewayAllocator.GATEWAY_ALLOCATOR_BATCH_SIZE.getKey(), 5)
.put(ShardsBatchGatewayAllocator.PRIMARY_BATCH_ALLOCATOR_TIMEOUT_SETTING.getKey(), "-1")
.put(ShardsBatchGatewayAllocator.REPLICA_BATCH_ALLOCATOR_TIMEOUT_SETTING.getKey(), "-1")
.put(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.getKey(), true)
.build()
);
ensureStableCluster(1);
logger.info("--> Now do a protective reroute"); // to avoid any race condition in test
ClusterRerouteResponse clusterRerouteResponse = client().admin().cluster().prepareReroute().setRetryFailed(true).get();
assertTrue(clusterRerouteResponse.isAcknowledged());
ShardsBatchGatewayAllocator gatewayAllocator = internalCluster().getInstance(
ShardsBatchGatewayAllocator.class,
internalCluster().getClusterManagerName()
);
assertTrue(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.get(internalCluster().clusterService().getSettings()));
assertEquals(10, gatewayAllocator.getNumberOfStartedShardBatches());
// All replica shards would be marked ineligible since there are no data nodes.
// They would then be removed from any batch and batches would get deleted, so we would have 0 replica batches
assertEquals(0, gatewayAllocator.getNumberOfStoreShardBatches());
health = client(internalCluster().getClusterManagerName()).admin().cluster().health(Requests.clusterHealthRequest()).actionGet();
assertFalse(health.isTimedOut());
assertEquals(RED, health.getStatus());
assertEquals(100, health.getUnassignedShards());
assertEquals(0, health.getInitializingShards());
assertEquals(0, health.getActiveShards());
assertEquals(0, health.getRelocatingShards());
assertEquals(0, health.getNumberOfDataNodes());
// Now start both data nodes and ensure batch mode is working
logger.info("--> restarting the stopped nodes");
internalCluster().startDataOnlyNode(Settings.builder().put("node.name", dataOnlyNodes.get(0)).put(node0DataPathSettings).build());
internalCluster().startDataOnlyNode(Settings.builder().put("node.name", dataOnlyNodes.get(1)).put(node1DataPathSettings).build());
ensureStableCluster(3);
// wait for cluster to turn green
health = client().admin().cluster().health(Requests.clusterHealthRequest().waitForGreenStatus().timeout("5m")).actionGet();
assertFalse(health.isTimedOut());
assertEquals(GREEN, health.getStatus());
assertEquals(0, health.getUnassignedShards());
assertEquals(0, health.getInitializingShards());
assertEquals(100, health.getActiveShards());
assertEquals(0, health.getRelocatingShards());
assertEquals(2, health.getNumberOfDataNodes());
assertEquals(0, gatewayAllocator.getNumberOfStartedShardBatches());
assertEquals(0, gatewayAllocator.getNumberOfStoreShardBatches());
}
public void testBatchModeDisabled() throws Exception {
internalCluster().startClusterManagerOnlyNodes(
1,
Settings.builder().put(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.getKey(), false).build()
);
List<String> dataOnlyNodes = internalCluster().startDataOnlyNodes(2);
createIndex(
"test",
Settings.builder().put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1).put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 1).build()
);
ensureGreen("test");
Settings node0DataPathSettings = internalCluster().dataPathSettings(dataOnlyNodes.get(0));
Settings node1DataPathSettings = internalCluster().dataPathSettings(dataOnlyNodes.get(1));
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(dataOnlyNodes.get(0)));
internalCluster().stopRandomNode(InternalTestCluster.nameFilter(dataOnlyNodes.get(1)));
ensureStableCluster(1);
logger.info("--> Now do a protective reroute");
ClusterRerouteResponse clusterRerouteResponse = client().admin().cluster().prepareReroute().setRetryFailed(true).get();
assertTrue(clusterRerouteResponse.isAcknowledged());
ShardsBatchGatewayAllocator gatewayAllocator = internalCluster().getInstance(
ShardsBatchGatewayAllocator.class,
internalCluster().getClusterManagerName()
);
ensureRed("test");
assertFalse(ExistingShardsAllocator.EXISTING_SHARDS_ALLOCATOR_BATCH_MODE.get(internalCluster().clusterService().getSettings()));