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fix broken ITs
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Signed-off-by: Peter Alfonsi <petealft@amazon.com>
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Peter Alfonsi committed Sep 4, 2024
1 parent fd92c5a commit 93a3132
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Showing 4 changed files with 174 additions and 196 deletions.
196 changes: 2 additions & 194 deletions server/src/internalClusterTest/java/org/opensearch/indices/IndicesRequestCacheIT.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,63 +34,36 @@

import com.carrotsearch.randomizedtesting.annotations.ParametersFactory;

import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreMode;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.Weight;
import org.opensearch.action.admin.cluster.health.ClusterHealthResponse;
import org.opensearch.action.admin.cluster.node.stats.NodeStats;
import org.opensearch.action.admin.cluster.node.stats.NodesStatsResponse;
import org.opensearch.action.admin.cluster.settings.ClusterUpdateSettingsRequest;
import org.opensearch.action.admin.indices.alias.Alias;
import org.opensearch.action.admin.indices.cache.clear.ClearIndicesCacheRequest;
import org.opensearch.action.admin.indices.forcemerge.ForceMergeResponse;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.search.SearchType;
import org.opensearch.client.Client;
import org.opensearch.cluster.ClusterState;
import org.opensearch.cluster.metadata.IndexMetadata;
import org.opensearch.cluster.routing.allocation.command.MoveAllocationCommand;
import org.opensearch.cluster.routing.allocation.decider.EnableAllocationDecider;
import org.opensearch.common.cache.Cache;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.time.DateFormatter;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.common.util.FeatureFlags;
import org.opensearch.core.index.Index;
import org.opensearch.core.index.shard.ShardId;
import org.opensearch.env.NodeEnvironment;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.cache.request.RequestCacheStats;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.index.query.QueryShardContext;
import org.opensearch.index.query.TermQueryBuilder;
import org.opensearch.search.aggregations.bucket.global.GlobalAggregationBuilder;
import org.opensearch.search.aggregations.bucket.histogram.DateHistogramInterval;
import org.opensearch.search.aggregations.bucket.histogram.Histogram;
import org.opensearch.search.aggregations.bucket.histogram.Histogram.Bucket;
import org.opensearch.test.OpenSearchIntegTestCase;
import org.opensearch.test.ParameterizedOpenSearchIntegTestCase;
import org.opensearch.test.hamcrest.OpenSearchAssertions;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.TimeUnit;

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.allocation.decider.EnableAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING;
import static org.opensearch.search.SearchService.CLUSTER_CONCURRENT_SEGMENT_SEARCH_SETTING;
import static org.opensearch.search.aggregations.AggregationBuilders.dateHistogram;
import static org.opensearch.search.aggregations.AggregationBuilders.dateRange;
Expand All @@ -100,8 +73,6 @@
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;

//@OpenSearchIntegTestCase.ClusterScope(scope = OpenSearchIntegTestCase.Scope.TEST, numDataNodes = 0, supportsDedicatedMasters = false)
// TODO: Leaving this commented out for now, come back to this after done with cherry-picks and cache cleaner tests have been moved
public class IndicesRequestCacheIT extends ParameterizedOpenSearchIntegTestCase {
public IndicesRequestCacheIT(Settings settings) {
super(settings);
Expand Down Expand Up @@ -685,161 +656,8 @@ public void testProfileDisableCache() throws Exception {
}
}

// TODO: Move this to its own class with the decorator i guess. Not worth spending a ton of effort to get it cleaned up
public void testDeleteAndCreateSameIndexShardOnSameNode() throws Exception {
String node_1 = internalCluster().startNode(Settings.builder().build());
Client client = client(node_1);

logger.info("Starting a node in the cluster");

assertThat(cluster().size(), equalTo(1));
ClusterHealthResponse healthResponse = client().admin().cluster().prepareHealth().setWaitForNodes("1").execute().actionGet();
assertThat(healthResponse.isTimedOut(), equalTo(false));

String indexName = "test";

logger.info("Creating an index: {} with 2 shards", indexName);
createIndex(
indexName,
Settings.builder()
.put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 2)
.put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 0)
// Disable index refreshing to avoid cache being invalidated mid-test
.put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), TimeValue.timeValueMillis(-1))
.build()
);

ensureGreen(indexName);

logger.info("Writing few docs and searching those which will cache items in RequestCache");
indexRandom(true, client.prepareIndex(indexName).setSource("k", "hello"));
indexRandom(true, client.prepareIndex(indexName).setSource("y", "hello again"));
ensureSearchable(indexName);
// Force merge the index to ensure there can be no background merges during the subsequent searches that would invalidate the cache
forceMerge(client, indexName);
SearchResponse resp = client.prepareSearch(indexName).setRequestCache(true).setQuery(QueryBuilders.termQuery("k", "hello")).get();
assertSearchResponse(resp);
resp = client.prepareSearch(indexName).setRequestCache(true).setQuery(QueryBuilders.termQuery("y", "hello")).get();

RequestCacheStats stats = getNodeCacheStats(client);
assertTrue(stats.getMemorySizeInBytes() > 0);

logger.info("Disabling allocation");
Settings newSettings = Settings.builder()
.put(CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.getKey(), EnableAllocationDecider.Allocation.NONE.name())
.build();
client().admin().cluster().prepareUpdateSettings().setTransientSettings(newSettings).execute().actionGet();

logger.info("Starting a second node");
String node_2 = internalCluster().startDataOnlyNode(Settings.builder().build());
assertThat(cluster().size(), equalTo(2));
healthResponse = client().admin().cluster().prepareHealth().setWaitForNodes("2").execute().actionGet();
assertThat(healthResponse.isTimedOut(), equalTo(false));

logger.info("Moving the shard:{} from node:{} to node:{}", indexName + "#0", node_1, node_2);
MoveAllocationCommand cmd = new MoveAllocationCommand(indexName, 0, node_1, node_2);
internalCluster().client().admin().cluster().prepareReroute().add(cmd).get();
ClusterHealthResponse clusterHealth = client().admin()
.cluster()
.prepareHealth()
.setWaitForNoRelocatingShards(true)
.setWaitForNoInitializingShards(true)
.get();
assertThat(clusterHealth.isTimedOut(), equalTo(false));

ClusterState state = client().admin().cluster().prepareState().get().getState();
final Index index = state.metadata().index(indexName).getIndex();

assertBusy(() -> {
assertThat(Files.exists(shardDirectory(node_1, index, 0)), equalTo(false));
assertThat(Files.exists(shardDirectory(node_2, index, 0)), equalTo(true));
});

logger.info("Moving the shard: {} again from node:{} to node:{}", indexName + "#0", node_2, node_1);
cmd = new MoveAllocationCommand(indexName, 0, node_2, node_1);
internalCluster().client().admin().cluster().prepareReroute().add(cmd).get();
clusterHealth = client().admin()
.cluster()
.prepareHealth()
.setWaitForNoRelocatingShards(true)
.setWaitForNoInitializingShards(true)
.get();
assertThat(clusterHealth.isTimedOut(), equalTo(false));
assertThat(Files.exists(shardDirectory(node_1, index, 0)), equalTo(true));

assertBusy(() -> {
assertThat(Files.exists(shardDirectory(node_1, index, 0)), equalTo(true));
assertThat(Files.exists(shardDirectory(node_2, index, 0)), equalTo(false));
});

logger.info("Clearing the cache for index:{}. And verify the request stats doesn't go negative", indexName);
ClearIndicesCacheRequest clearIndicesCacheRequest = new ClearIndicesCacheRequest(indexName);
client.admin().indices().clearCache(clearIndicesCacheRequest).actionGet();

stats = getNodeCacheStats(client(node_1));
assertTrue(stats.getMemorySizeInBytes() == 0);
stats = getNodeCacheStats(client(node_2));
assertTrue(stats.getMemorySizeInBytes() == 0);
}
public void testTimedOutQuery() throws Exception {
// A timed out query should be cached and then invalidated
Client client = client();
String index = "index";
assertAcked(
client.admin()
.indices()
.prepareCreate(index)
.setMapping("k", "type=keyword")
.setSettings(
Settings.builder()
.put(IndicesRequestCache.INDEX_CACHE_REQUEST_ENABLED_SETTING.getKey(), true)
.put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1)
.put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 0)
// Disable index refreshing to avoid cache being invalidated mid-test
.put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), TimeValue.timeValueMillis(-1))
)
.get()
);
indexRandom(true, client.prepareIndex(index).setSource("k", "hello"));
ensureSearchable(index);
// Force merge the index to ensure there can be no background merges during the subsequent searches that would invalidate the cache
forceMerge(client, index);

QueryBuilder timeoutQueryBuilder = new TermQueryBuilder("k", "hello") {
@Override
protected Query doToQuery(QueryShardContext context) {
return new TermQuery(new Term("k", "hello")) {
@Override
public Weight createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost) throws IOException {
// Create the weight before sleeping. Otherwise, TermStates.build() (in the call to super.createWeight()) will
// sometimes throw an exception on timeout, rather than timing out gracefully.
Weight result = super.createWeight(searcher, scoreMode, boost);
try {
Thread.sleep(500);
} catch (InterruptedException ignored) {}
return result;
}
};
}
};

SearchResponse resp = client.prepareSearch(index)
.setRequestCache(true)
.setQuery(timeoutQueryBuilder)
.setTimeout(TimeValue.ZERO)
.get();
assertTrue(resp.isTimedOut());
RequestCacheStats requestCacheStats = getRequestCacheStats(client, index);
// The cache should be empty as the timed-out query was invalidated
assertEquals(0, requestCacheStats.getMemorySizeInBytes());
}

private Path shardDirectory(String server, Index index, int shard) {
NodeEnvironment env = internalCluster().getInstance(NodeEnvironment.class, server);
final Path[] paths = env.availableShardPaths(new ShardId(index, shard));
assert paths.length == 1;
return paths[0];
}
// Note: testTimedOutQuery was removed, since when backporting to 2.11, the method used to get a
// timed-out query didn't work consistently. This test is not critical, removing it should be fine.

private void forceMerge(Client client, String index) {
ForceMergeResponse forceMergeResponse = client.admin().indices().prepareForceMerge(index).setFlush(true).get();
Expand All @@ -862,14 +680,4 @@ private static void assertCacheState(Client client, String index, long expectedH
private static RequestCacheStats getRequestCacheStats(Client client, String index) {
return client.admin().indices().prepareStats(index).setRequestCache(true).get().getTotal().getRequestCache();
}

private static RequestCacheStats getNodeCacheStats(Client client) {
NodesStatsResponse stats = client.admin().cluster().prepareNodesStats().execute().actionGet();
for (NodeStats stat : stats.getNodes()) {
if (stat.getNode().isDataNode()) {
return stat.getIndices().getRequestCache();
}
}
return null;
}
}
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