From b67cdf47b9cc5126c2d994f3c4ad0676678b16bc Mon Sep 17 00:00:00 2001 From: Vinay Krishna Pudyodu Date: Thu, 12 Dec 2024 15:41:44 -0800 Subject: [PATCH] Added support for search replica to return segrep stats (#16678) * Added implementation for the stats calculation for search and regular replica in shards Signed-off-by: Vinay Krishna Pudyodu * Updated changelog Signed-off-by: Vinay Krishna Pudyodu * Added unit tests for TransportSegmentReplicationStatsAction Signed-off-by: Vinay Krishna Pudyodu * fixed java style after running precommit locally Signed-off-by: Vinay Krishna Pudyodu * refined the test cases Signed-off-by: Vinay Krishna Pudyodu * fixed style issues Signed-off-by: Vinay Krishna Pudyodu * Made changes in the bytes to download calculation based on comments Signed-off-by: Vinay Krishna Pudyodu * added addReplicaStats method to SegmentReplicationPerGroupStats Signed-off-by: Vinay Krishna Pudyodu * fixed style issues Signed-off-by: Vinay Krishna Pudyodu * Fixed issue with immutable set Signed-off-by: Vinay Krishna Pudyodu * Fixed PR comments and moved the integration tests to separate module Signed-off-by: Vinay Krishna Pudyodu * Fixed failing integ tests Signed-off-by: Vinay Krishna Pudyodu * Fixed failing integ test Signed-off-by: Vinay Krishna Pudyodu * fixed some comments for PR Signed-off-by: Vinay Krishna Pudyodu * fixed failing tests Signed-off-by: Vinay Krishna Pudyodu --------- Signed-off-by: Vinay Krishna Pudyodu --- CHANGELOG.md | 1 + .../SearchReplicaReplicationIT.java | 49 ++ ...ransportSegmentReplicationStatsAction.java | 117 +++- ...ortSegmentReplicationStatsActionTests.java | 595 ++++++++++++++++++ 4 files changed, 744 insertions(+), 18 deletions(-) create mode 100644 server/src/test/java/org/opensearch/action/admin/indices/replication/TransportSegmentReplicationStatsActionTests.java diff --git a/CHANGELOG.md b/CHANGELOG.md index e4b56db662881..6b76a3d50cb0d 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -22,6 +22,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), - Add new configuration setting `synonym_analyzer`, to the `synonym` and `synonym_graph` filters, enabling the specification of a custom analyzer for reading the synonym file ([#16488](https://github.com/opensearch-project/OpenSearch/pull/16488)). - Add stats for remote publication failure and move download failure stats to remote methods([#16682](https://github.com/opensearch-project/OpenSearch/pull/16682/)) - Added a precaution to handle extreme date values during sorting to prevent `arithmetic_exception: long overflow` ([#16812](https://github.com/opensearch-project/OpenSearch/pull/16812)). +- Add search replica stats to segment replication stats API ([#16678](https://github.com/opensearch-project/OpenSearch/pull/16678)) ### Dependencies - Bump `com.google.cloud:google-cloud-core-http` from 2.23.0 to 2.47.0 ([#16504](https://github.com/opensearch-project/OpenSearch/pull/16504)) diff --git a/server/src/internalClusterTest/java/org/opensearch/indices/replication/SearchReplicaReplicationIT.java b/server/src/internalClusterTest/java/org/opensearch/indices/replication/SearchReplicaReplicationIT.java index a1b512c326ac5..f660695af9965 100644 --- a/server/src/internalClusterTest/java/org/opensearch/indices/replication/SearchReplicaReplicationIT.java +++ b/server/src/internalClusterTest/java/org/opensearch/indices/replication/SearchReplicaReplicationIT.java @@ -8,14 +8,20 @@ package org.opensearch.indices.replication; +import org.opensearch.action.admin.indices.replication.SegmentReplicationStatsResponse; import org.opensearch.cluster.metadata.IndexMetadata; import org.opensearch.common.settings.Settings; import org.opensearch.common.util.FeatureFlags; +import org.opensearch.index.SegmentReplicationPerGroupStats; +import org.opensearch.index.SegmentReplicationShardStats; +import org.opensearch.indices.replication.common.ReplicationType; import org.opensearch.test.OpenSearchIntegTestCase; import org.junit.After; import org.junit.Before; import java.nio.file.Path; +import java.util.List; +import java.util.Set; @OpenSearchIntegTestCase.ClusterScope(scope = OpenSearchIntegTestCase.Scope.TEST, numDataNodes = 0) public class SearchReplicaReplicationIT extends SegmentReplicationBaseIT { @@ -82,4 +88,47 @@ public void testReplication() throws Exception { waitForSearchableDocs(docCount, primary, replica); } + public void testSegmentReplicationStatsResponseWithSearchReplica() throws Exception { + internalCluster().startClusterManagerOnlyNode(); + final List nodes = internalCluster().startDataOnlyNodes(2); + createIndex( + INDEX_NAME, + Settings.builder() + .put("number_of_shards", 1) + .put("number_of_replicas", 0) + .put("number_of_search_only_replicas", 1) + .put(IndexMetadata.SETTING_REPLICATION_TYPE, ReplicationType.SEGMENT) + .build() + ); + ensureGreen(INDEX_NAME); + + final int docCount = 5; + for (int i = 0; i < docCount; i++) { + client().prepareIndex(INDEX_NAME).setId(Integer.toString(i)).setSource("field", "value" + i).execute().get(); + } + refresh(INDEX_NAME); + waitForSearchableDocs(docCount, nodes); + + SegmentReplicationStatsResponse segmentReplicationStatsResponse = dataNodeClient().admin() + .indices() + .prepareSegmentReplicationStats(INDEX_NAME) + .setDetailed(true) + .execute() + .actionGet(); + + // Verify the number of indices + assertEquals(1, segmentReplicationStatsResponse.getReplicationStats().size()); + // Verify total shards + assertEquals(2, segmentReplicationStatsResponse.getTotalShards()); + // Verify the number of primary shards + assertEquals(1, segmentReplicationStatsResponse.getReplicationStats().get(INDEX_NAME).size()); + + SegmentReplicationPerGroupStats perGroupStats = segmentReplicationStatsResponse.getReplicationStats().get(INDEX_NAME).get(0); + Set replicaStats = perGroupStats.getReplicaStats(); + // Verify the number of replica stats + assertEquals(1, replicaStats.size()); + for (SegmentReplicationShardStats replicaStat : replicaStats) { + assertNotNull(replicaStat.getCurrentReplicationState()); + } + } } diff --git a/server/src/main/java/org/opensearch/action/admin/indices/replication/TransportSegmentReplicationStatsAction.java b/server/src/main/java/org/opensearch/action/admin/indices/replication/TransportSegmentReplicationStatsAction.java index fc97d67c6c3af..44408c5043fcf 100644 --- a/server/src/main/java/org/opensearch/action/admin/indices/replication/TransportSegmentReplicationStatsAction.java +++ b/server/src/main/java/org/opensearch/action/admin/indices/replication/TransportSegmentReplicationStatsAction.java @@ -21,7 +21,6 @@ import org.opensearch.core.action.support.DefaultShardOperationFailedException; import org.opensearch.core.common.io.stream.StreamInput; import org.opensearch.core.index.shard.ShardId; -import org.opensearch.index.IndexService; import org.opensearch.index.SegmentReplicationPerGroupStats; import org.opensearch.index.SegmentReplicationPressureService; import org.opensearch.index.SegmentReplicationShardStats; @@ -38,7 +37,9 @@ import java.util.HashMap; import java.util.List; import java.util.Map; +import java.util.Set; import java.util.stream.Collectors; +import java.util.stream.Stream; /** * Transport action for shard segment replication operation. This transport action does not actually @@ -96,11 +97,11 @@ protected SegmentReplicationStatsResponse newResponse( ) { String[] shards = request.shards(); final List shardsToFetch = Arrays.stream(shards).map(Integer::valueOf).collect(Collectors.toList()); - // organize replica responses by allocationId. final Map replicaStats = new HashMap<>(); // map of index name to list of replication group stats. final Map> primaryStats = new HashMap<>(); + for (SegmentReplicationShardStatsResponse response : responses) { if (response != null) { if (response.getReplicaStats() != null) { @@ -109,6 +110,7 @@ protected SegmentReplicationStatsResponse newResponse( replicaStats.putIfAbsent(shardRouting.allocationId().getId(), response.getReplicaStats()); } } + if (response.getPrimaryStats() != null) { final ShardId shardId = response.getPrimaryStats().getShardId(); if (shardsToFetch.isEmpty() || shardsToFetch.contains(shardId.getId())) { @@ -126,15 +128,20 @@ protected SegmentReplicationStatsResponse newResponse( } } } - // combine the replica stats to the shard stat entry in each group. - for (Map.Entry> entry : primaryStats.entrySet()) { - for (SegmentReplicationPerGroupStats group : entry.getValue()) { - for (SegmentReplicationShardStats replicaStat : group.getReplicaStats()) { - replicaStat.setCurrentReplicationState(replicaStats.getOrDefault(replicaStat.getAllocationId(), null)); - } - } - } - return new SegmentReplicationStatsResponse(totalShards, successfulShards, failedShards, primaryStats, shardFailures); + + Map> replicationStats = primaryStats.entrySet() + .stream() + .collect( + Collectors.toMap( + Map.Entry::getKey, + entry -> entry.getValue() + .stream() + .map(groupStats -> updateGroupStats(groupStats, replicaStats)) + .collect(Collectors.toList()) + ) + ); + + return new SegmentReplicationStatsResponse(totalShards, successfulShards, failedShards, replicationStats, shardFailures); } @Override @@ -144,9 +151,8 @@ protected SegmentReplicationStatsRequest readRequestFrom(StreamInput in) throws @Override protected SegmentReplicationShardStatsResponse shardOperation(SegmentReplicationStatsRequest request, ShardRouting shardRouting) { - IndexService indexService = indicesService.indexServiceSafe(shardRouting.shardId().getIndex()); - IndexShard indexShard = indexService.getShard(shardRouting.shardId().id()); ShardId shardId = shardRouting.shardId(); + IndexShard indexShard = indicesService.indexServiceSafe(shardId.getIndex()).getShard(shardId.id()); if (indexShard.indexSettings().isSegRepEnabledOrRemoteNode() == false) { return null; @@ -156,11 +162,7 @@ protected SegmentReplicationShardStatsResponse shardOperation(SegmentReplication return new SegmentReplicationShardStatsResponse(pressureService.getStatsForShard(indexShard)); } - // return information about only on-going segment replication events. - if (request.activeOnly()) { - return new SegmentReplicationShardStatsResponse(targetService.getOngoingEventSegmentReplicationState(shardId)); - } - return new SegmentReplicationShardStatsResponse(targetService.getSegmentReplicationState(shardId)); + return new SegmentReplicationShardStatsResponse(getSegmentReplicationState(shardId, request.activeOnly())); } @Override @@ -181,4 +183,83 @@ protected ClusterBlockException checkRequestBlock( ) { return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA_READ, concreteIndices); } + + private SegmentReplicationPerGroupStats updateGroupStats( + SegmentReplicationPerGroupStats groupStats, + Map replicaStats + ) { + // Update the SegmentReplicationState for each of the replicas + Set updatedReplicaStats = groupStats.getReplicaStats() + .stream() + .peek(replicaStat -> replicaStat.setCurrentReplicationState(replicaStats.getOrDefault(replicaStat.getAllocationId(), null))) + .collect(Collectors.toSet()); + + // Compute search replica stats + Set searchReplicaStats = computeSearchReplicaStats(groupStats.getShardId(), replicaStats); + + // Combine ReplicaStats and SearchReplicaStats + Set combinedStats = Stream.concat(updatedReplicaStats.stream(), searchReplicaStats.stream()) + .collect(Collectors.toSet()); + + return new SegmentReplicationPerGroupStats(groupStats.getShardId(), combinedStats, groupStats.getRejectedRequestCount()); + } + + private Set computeSearchReplicaStats( + ShardId shardId, + Map replicaStats + ) { + return replicaStats.values() + .stream() + .filter(segmentReplicationState -> segmentReplicationState.getShardRouting().shardId().equals(shardId)) + .filter(segmentReplicationState -> segmentReplicationState.getShardRouting().isSearchOnly()) + .map(segmentReplicationState -> { + ShardRouting shardRouting = segmentReplicationState.getShardRouting(); + SegmentReplicationShardStats segmentReplicationStats = computeSegmentReplicationShardStats(shardRouting); + segmentReplicationStats.setCurrentReplicationState(segmentReplicationState); + return segmentReplicationStats; + }) + .collect(Collectors.toSet()); + } + + SegmentReplicationShardStats computeSegmentReplicationShardStats(ShardRouting shardRouting) { + ShardId shardId = shardRouting.shardId(); + SegmentReplicationState completedSegmentReplicationState = targetService.getlatestCompletedEventSegmentReplicationState(shardId); + SegmentReplicationState ongoingSegmentReplicationState = targetService.getOngoingEventSegmentReplicationState(shardId); + + return new SegmentReplicationShardStats( + shardRouting.allocationId().getId(), + 0, + calculateBytesRemainingToReplicate(ongoingSegmentReplicationState), + 0, + getCurrentReplicationLag(ongoingSegmentReplicationState), + getLastCompletedReplicationLag(completedSegmentReplicationState) + ); + } + + private SegmentReplicationState getSegmentReplicationState(ShardId shardId, boolean isActiveOnly) { + if (isActiveOnly) { + return targetService.getOngoingEventSegmentReplicationState(shardId); + } else { + return targetService.getSegmentReplicationState(shardId); + } + } + + private long calculateBytesRemainingToReplicate(SegmentReplicationState ongoingSegmentReplicationState) { + if (ongoingSegmentReplicationState == null) { + return 0; + } + return ongoingSegmentReplicationState.getIndex() + .fileDetails() + .stream() + .mapToLong(index -> index.length() - index.recovered()) + .sum(); + } + + private long getCurrentReplicationLag(SegmentReplicationState ongoingSegmentReplicationState) { + return ongoingSegmentReplicationState != null ? ongoingSegmentReplicationState.getTimer().time() : 0; + } + + private long getLastCompletedReplicationLag(SegmentReplicationState completedSegmentReplicationState) { + return completedSegmentReplicationState != null ? completedSegmentReplicationState.getTimer().time() : 0; + } } diff --git a/server/src/test/java/org/opensearch/action/admin/indices/replication/TransportSegmentReplicationStatsActionTests.java b/server/src/test/java/org/opensearch/action/admin/indices/replication/TransportSegmentReplicationStatsActionTests.java new file mode 100644 index 0000000000000..ea455d607f058 --- /dev/null +++ b/server/src/test/java/org/opensearch/action/admin/indices/replication/TransportSegmentReplicationStatsActionTests.java @@ -0,0 +1,595 @@ +/* + * 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. + */ + +package org.opensearch.action.admin.indices.replication; + +import org.opensearch.Version; +import org.opensearch.action.support.ActionFilters; +import org.opensearch.cluster.ClusterState; +import org.opensearch.cluster.block.ClusterBlock; +import org.opensearch.cluster.block.ClusterBlockLevel; +import org.opensearch.cluster.block.ClusterBlocks; +import org.opensearch.cluster.metadata.IndexMetadata; +import org.opensearch.cluster.metadata.IndexNameExpressionResolver; +import org.opensearch.cluster.routing.AllocationId; +import org.opensearch.cluster.routing.RoutingTable; +import org.opensearch.cluster.routing.ShardIterator; +import org.opensearch.cluster.routing.ShardRouting; +import org.opensearch.cluster.routing.ShardsIterator; +import org.opensearch.cluster.service.ClusterService; +import org.opensearch.common.settings.Settings; +import org.opensearch.core.action.support.DefaultShardOperationFailedException; +import org.opensearch.core.index.Index; +import org.opensearch.core.index.shard.ShardId; +import org.opensearch.core.rest.RestStatus; +import org.opensearch.index.IndexService; +import org.opensearch.index.IndexSettings; +import org.opensearch.index.SegmentReplicationPerGroupStats; +import org.opensearch.index.SegmentReplicationPressureService; +import org.opensearch.index.SegmentReplicationShardStats; +import org.opensearch.index.shard.IndexShard; +import org.opensearch.indices.IndicesService; +import org.opensearch.indices.replication.SegmentReplicationState; +import org.opensearch.indices.replication.SegmentReplicationTargetService; +import org.opensearch.indices.replication.common.ReplicationLuceneIndex; +import org.opensearch.indices.replication.common.ReplicationTimer; +import org.opensearch.indices.replication.common.ReplicationType; +import org.opensearch.test.OpenSearchTestCase; +import org.opensearch.transport.TransportService; +import org.junit.Before; + +import java.util.ArrayList; +import java.util.EnumSet; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +import org.mockito.Mock; +import org.mockito.MockitoAnnotations; + +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +public class TransportSegmentReplicationStatsActionTests extends OpenSearchTestCase { + @Mock + private ClusterService clusterService; + @Mock + private TransportService transportService; + @Mock + private IndicesService indicesService; + @Mock + private SegmentReplicationTargetService targetService; + @Mock + private ActionFilters actionFilters; + @Mock + private IndexNameExpressionResolver indexNameExpressionResolver; + @Mock + private SegmentReplicationPressureService pressureService; + @Mock + private IndexShard indexShard; + @Mock + private IndexService indexService; + + private TransportSegmentReplicationStatsAction action; + + @Before + public void setUp() throws Exception { + MockitoAnnotations.openMocks(this); + super.setUp(); + action = new TransportSegmentReplicationStatsAction( + clusterService, + transportService, + indicesService, + targetService, + actionFilters, + indexNameExpressionResolver, + pressureService + ); + } + + public void testShardReturnsAllTheShardsForTheIndex() { + SegmentReplicationStatsRequest segmentReplicationStatsRequest = mock(SegmentReplicationStatsRequest.class); + String[] concreteIndices = new String[] { "test-index" }; + ClusterState clusterState = mock(ClusterState.class); + RoutingTable routingTables = mock(RoutingTable.class); + ShardsIterator shardsIterator = mock(ShardIterator.class); + + when(clusterState.routingTable()).thenReturn(routingTables); + when(routingTables.allShardsIncludingRelocationTargets(any())).thenReturn(shardsIterator); + assertEquals(shardsIterator, action.shards(clusterState, segmentReplicationStatsRequest, concreteIndices)); + } + + public void testShardOperationWithPrimaryShard() { + ShardRouting shardRouting = mock(ShardRouting.class); + ShardId shardId = new ShardId(new Index("test-index", "test-uuid"), 0); + SegmentReplicationStatsRequest request = new SegmentReplicationStatsRequest(); + + when(shardRouting.shardId()).thenReturn(shardId); + when(shardRouting.primary()).thenReturn(true); + when(indicesService.indexServiceSafe(shardId.getIndex())).thenReturn(indexService); + when(indexService.getShard(shardId.id())).thenReturn(indexShard); + when(indexShard.indexSettings()).thenReturn(createIndexSettingsWithSegRepEnabled()); + + SegmentReplicationShardStatsResponse response = action.shardOperation(request, shardRouting); + + assertNotNull(response); + verify(pressureService).getStatsForShard(any()); + } + + public void testShardOperationWithReplicaShard() { + ShardRouting shardRouting = mock(ShardRouting.class); + ShardId shardId = new ShardId(new Index("test-index", "test-uuid"), 0); + SegmentReplicationStatsRequest request = new SegmentReplicationStatsRequest(); + request.activeOnly(false); + SegmentReplicationState completedSegmentReplicationState = mock(SegmentReplicationState.class); + + when(shardRouting.shardId()).thenReturn(shardId); + when(shardRouting.primary()).thenReturn(false); + when(indicesService.indexServiceSafe(shardId.getIndex())).thenReturn(indexService); + when(indexService.getShard(shardId.id())).thenReturn(indexShard); + when(indexShard.indexSettings()).thenReturn(createIndexSettingsWithSegRepEnabled()); + when(targetService.getSegmentReplicationState(shardId)).thenReturn(completedSegmentReplicationState); + + SegmentReplicationShardStatsResponse response = action.shardOperation(request, shardRouting); + + assertNotNull(response); + assertNull(response.getPrimaryStats()); + assertNotNull(response.getReplicaStats()); + verify(targetService).getSegmentReplicationState(shardId); + } + + public void testShardOperationWithReplicaShardActiveOnly() { + ShardRouting shardRouting = mock(ShardRouting.class); + ShardId shardId = new ShardId(new Index("test-index", "test-uuid"), 0); + SegmentReplicationStatsRequest request = new SegmentReplicationStatsRequest(); + request.activeOnly(true); + SegmentReplicationState onGoingSegmentReplicationState = mock(SegmentReplicationState.class); + + when(shardRouting.shardId()).thenReturn(shardId); + when(shardRouting.primary()).thenReturn(false); + when(indicesService.indexServiceSafe(shardId.getIndex())).thenReturn(indexService); + when(indexService.getShard(shardId.id())).thenReturn(indexShard); + when(indexShard.indexSettings()).thenReturn(createIndexSettingsWithSegRepEnabled()); + when(targetService.getOngoingEventSegmentReplicationState(shardId)).thenReturn(onGoingSegmentReplicationState); + + SegmentReplicationShardStatsResponse response = action.shardOperation(request, shardRouting); + + assertNotNull(response); + assertNull(response.getPrimaryStats()); + assertNotNull(response.getReplicaStats()); + verify(targetService).getOngoingEventSegmentReplicationState(shardId); + } + + public void testComputeBytesRemainingToReplicateWhenCompletedAndOngoingStateNotNull() { + ShardRouting shardRouting = mock(ShardRouting.class); + SegmentReplicationState completedSegmentReplicationState = mock(SegmentReplicationState.class); + SegmentReplicationState onGoingSegmentReplicationState = mock(SegmentReplicationState.class); + ShardId shardId = new ShardId(new Index("test-index", "test-uuid"), 0); + AllocationId allocationId = AllocationId.newInitializing(); + ReplicationTimer replicationTimerCompleted = mock(ReplicationTimer.class); + ReplicationTimer replicationTimerOngoing = mock(ReplicationTimer.class); + long time1 = 10; + long time2 = 15; + ReplicationLuceneIndex replicationLuceneIndex = new ReplicationLuceneIndex(); + replicationLuceneIndex.addFileDetail("name1", 10, false); + replicationLuceneIndex.addFileDetail("name2", 15, false); + + when(shardRouting.shardId()).thenReturn(shardId); + when(shardRouting.allocationId()).thenReturn(allocationId); + when(targetService.getlatestCompletedEventSegmentReplicationState(shardId)).thenReturn(completedSegmentReplicationState); + when(targetService.getOngoingEventSegmentReplicationState(shardId)).thenReturn(onGoingSegmentReplicationState); + when(completedSegmentReplicationState.getTimer()).thenReturn(replicationTimerCompleted); + when(onGoingSegmentReplicationState.getTimer()).thenReturn(replicationTimerOngoing); + when(replicationTimerOngoing.time()).thenReturn(time1); + when(replicationTimerCompleted.time()).thenReturn(time2); + when(onGoingSegmentReplicationState.getIndex()).thenReturn(replicationLuceneIndex); + + SegmentReplicationShardStats segmentReplicationShardStats = action.computeSegmentReplicationShardStats(shardRouting); + + assertNotNull(segmentReplicationShardStats); + assertEquals(25, segmentReplicationShardStats.getBytesBehindCount()); + assertEquals(10, segmentReplicationShardStats.getCurrentReplicationLagMillis()); + assertEquals(15, segmentReplicationShardStats.getLastCompletedReplicationTimeMillis()); + + verify(targetService).getlatestCompletedEventSegmentReplicationState(shardId); + verify(targetService).getOngoingEventSegmentReplicationState(shardId); + } + + public void testCalculateBytesRemainingToReplicateWhenNoCompletedState() { + ShardRouting shardRouting = mock(ShardRouting.class); + SegmentReplicationState onGoingSegmentReplicationState = mock(SegmentReplicationState.class); + ShardId shardId = new ShardId(new Index("test-index", "test-uuid"), 0); + AllocationId allocationId = AllocationId.newInitializing(); + ReplicationTimer replicationTimerOngoing = mock(ReplicationTimer.class); + long time1 = 10; + ReplicationLuceneIndex replicationLuceneIndex = new ReplicationLuceneIndex(); + replicationLuceneIndex.addFileDetail("name1", 10, false); + replicationLuceneIndex.addFileDetail("name2", 15, false); + + when(shardRouting.shardId()).thenReturn(shardId); + when(shardRouting.allocationId()).thenReturn(allocationId); + when(targetService.getOngoingEventSegmentReplicationState(shardId)).thenReturn(onGoingSegmentReplicationState); + when(onGoingSegmentReplicationState.getTimer()).thenReturn(replicationTimerOngoing); + when(replicationTimerOngoing.time()).thenReturn(time1); + when(onGoingSegmentReplicationState.getIndex()).thenReturn(replicationLuceneIndex); + + SegmentReplicationShardStats segmentReplicationShardStats = action.computeSegmentReplicationShardStats(shardRouting); + + assertNotNull(segmentReplicationShardStats); + assertEquals(25, segmentReplicationShardStats.getBytesBehindCount()); + assertEquals(10, segmentReplicationShardStats.getCurrentReplicationLagMillis()); + assertEquals(0, segmentReplicationShardStats.getLastCompletedReplicationTimeMillis()); + + verify(targetService).getlatestCompletedEventSegmentReplicationState(shardId); + verify(targetService).getOngoingEventSegmentReplicationState(shardId); + } + + public void testCalculateBytesRemainingToReplicateWhenNoOnGoingState() { + ShardRouting shardRouting = mock(ShardRouting.class); + SegmentReplicationState completedSegmentReplicationState = mock(SegmentReplicationState.class); + ShardId shardId = new ShardId(new Index("test-index", "test-uuid"), 0); + AllocationId allocationId = AllocationId.newInitializing(); + ReplicationTimer replicationTimerCompleted = mock(ReplicationTimer.class); + long time2 = 15; + + when(shardRouting.shardId()).thenReturn(shardId); + when(shardRouting.allocationId()).thenReturn(allocationId); + when(targetService.getlatestCompletedEventSegmentReplicationState(shardId)).thenReturn(completedSegmentReplicationState); + when(completedSegmentReplicationState.getTimer()).thenReturn(replicationTimerCompleted); + when(replicationTimerCompleted.time()).thenReturn(time2); + + SegmentReplicationShardStats segmentReplicationShardStats = action.computeSegmentReplicationShardStats(shardRouting); + + assertNotNull(segmentReplicationShardStats); + assertEquals(0, segmentReplicationShardStats.getBytesBehindCount()); + assertEquals(0, segmentReplicationShardStats.getCurrentReplicationLagMillis()); + assertEquals(15, segmentReplicationShardStats.getLastCompletedReplicationTimeMillis()); + + verify(targetService).getlatestCompletedEventSegmentReplicationState(shardId); + verify(targetService).getOngoingEventSegmentReplicationState(shardId); + } + + public void testCalculateBytesRemainingToReplicateWhenNoCompletedAndOngoingState() { + ShardRouting shardRouting = mock(ShardRouting.class); + ShardId shardId = new ShardId(new Index("test-index", "test-uuid"), 0); + AllocationId allocationId = AllocationId.newInitializing(); + when(shardRouting.shardId()).thenReturn(shardId); + when(shardRouting.allocationId()).thenReturn(allocationId); + + SegmentReplicationShardStats segmentReplicationShardStats = action.computeSegmentReplicationShardStats(shardRouting); + + assertNotNull(segmentReplicationShardStats); + assertEquals(0, segmentReplicationShardStats.getBytesBehindCount()); + assertEquals(0, segmentReplicationShardStats.getCurrentReplicationLagMillis()); + assertEquals(0, segmentReplicationShardStats.getLastCompletedReplicationTimeMillis()); + + verify(targetService).getlatestCompletedEventSegmentReplicationState(shardId); + verify(targetService).getOngoingEventSegmentReplicationState(shardId); + } + + public void testNewResponseWhenAllReplicasReturnResponseCombinesTheResults() { + SegmentReplicationStatsRequest request = new SegmentReplicationStatsRequest(); + List shardFailures = new ArrayList<>(); + String[] shards = { "0", "1" }; + request.shards(shards); + + int totalShards = 6; + int successfulShards = 6; + int failedShard = 0; + String allocIdOne = "allocIdOne"; + String allocIdTwo = "allocIdTwo"; + String allocIdThree = "allocIdThree"; + String allocIdFour = "allocIdFour"; + String allocIdFive = "allocIdFive"; + String allocIdSix = "allocIdSix"; + + ShardId shardId0 = mock(ShardId.class); + ShardRouting primary0 = mock(ShardRouting.class); + ShardRouting replica0 = mock(ShardRouting.class); + ShardRouting searchReplica0 = mock(ShardRouting.class); + + ShardId shardId1 = mock(ShardId.class); + ShardRouting primary1 = mock(ShardRouting.class); + ShardRouting replica1 = mock(ShardRouting.class); + ShardRouting searchReplica1 = mock(ShardRouting.class); + + when(shardId0.getId()).thenReturn(0); + when(shardId0.getIndexName()).thenReturn("test-index-1"); + when(primary0.shardId()).thenReturn(shardId0); + when(replica0.shardId()).thenReturn(shardId0); + when(searchReplica0.shardId()).thenReturn(shardId0); + + when(shardId1.getId()).thenReturn(1); + when(shardId1.getIndexName()).thenReturn("test-index-1"); + when(primary1.shardId()).thenReturn(shardId1); + when(replica1.shardId()).thenReturn(shardId1); + when(searchReplica1.shardId()).thenReturn(shardId1); + + AllocationId allocationIdOne = mock(AllocationId.class); + AllocationId allocationIdTwo = mock(AllocationId.class); + AllocationId allocationIdThree = mock(AllocationId.class); + AllocationId allocationIdFour = mock(AllocationId.class); + AllocationId allocationIdFive = mock(AllocationId.class); + AllocationId allocationIdSix = mock(AllocationId.class); + + when(allocationIdOne.getId()).thenReturn(allocIdOne); + when(allocationIdTwo.getId()).thenReturn(allocIdTwo); + when(allocationIdThree.getId()).thenReturn(allocIdThree); + when(allocationIdFour.getId()).thenReturn(allocIdFour); + when(allocationIdFive.getId()).thenReturn(allocIdFive); + when(allocationIdSix.getId()).thenReturn(allocIdSix); + when(primary0.allocationId()).thenReturn(allocationIdOne); + when(replica0.allocationId()).thenReturn(allocationIdTwo); + when(searchReplica0.allocationId()).thenReturn(allocationIdThree); + when(primary1.allocationId()).thenReturn(allocationIdFour); + when(replica1.allocationId()).thenReturn(allocationIdFive); + when(searchReplica1.allocationId()).thenReturn(allocationIdSix); + + when(primary0.isSearchOnly()).thenReturn(false); + when(replica0.isSearchOnly()).thenReturn(false); + when(searchReplica0.isSearchOnly()).thenReturn(true); + when(primary1.isSearchOnly()).thenReturn(false); + when(replica1.isSearchOnly()).thenReturn(false); + when(searchReplica1.isSearchOnly()).thenReturn(true); + + Set segmentReplicationShardStats0 = new HashSet<>(); + SegmentReplicationShardStats segmentReplicationShardStatsOfReplica0 = new SegmentReplicationShardStats(allocIdTwo, 0, 0, 0, 0, 0); + segmentReplicationShardStats0.add(segmentReplicationShardStatsOfReplica0); + + Set segmentReplicationShardStats1 = new HashSet<>(); + SegmentReplicationShardStats segmentReplicationShardStatsOfReplica1 = new SegmentReplicationShardStats(allocIdFive, 0, 0, 0, 0, 0); + segmentReplicationShardStats1.add(segmentReplicationShardStatsOfReplica1); + + SegmentReplicationPerGroupStats segmentReplicationPerGroupStats0 = new SegmentReplicationPerGroupStats( + shardId0, + segmentReplicationShardStats0, + 0 + ); + + SegmentReplicationPerGroupStats segmentReplicationPerGroupStats1 = new SegmentReplicationPerGroupStats( + shardId1, + segmentReplicationShardStats1, + 0 + ); + + SegmentReplicationState segmentReplicationState0 = mock(SegmentReplicationState.class); + SegmentReplicationState searchReplicaSegmentReplicationState0 = mock(SegmentReplicationState.class); + SegmentReplicationState segmentReplicationState1 = mock(SegmentReplicationState.class); + SegmentReplicationState searchReplicaSegmentReplicationState1 = mock(SegmentReplicationState.class); + + when(segmentReplicationState0.getShardRouting()).thenReturn(replica0); + when(searchReplicaSegmentReplicationState0.getShardRouting()).thenReturn(searchReplica0); + when(segmentReplicationState1.getShardRouting()).thenReturn(replica1); + when(searchReplicaSegmentReplicationState1.getShardRouting()).thenReturn(searchReplica1); + + List responses = List.of( + new SegmentReplicationShardStatsResponse(segmentReplicationPerGroupStats0), + new SegmentReplicationShardStatsResponse(segmentReplicationState0), + new SegmentReplicationShardStatsResponse(searchReplicaSegmentReplicationState0), + new SegmentReplicationShardStatsResponse(segmentReplicationPerGroupStats1), + new SegmentReplicationShardStatsResponse(segmentReplicationState1), + new SegmentReplicationShardStatsResponse(searchReplicaSegmentReplicationState1) + ); + + SegmentReplicationStatsResponse response = action.newResponse( + request, + totalShards, + successfulShards, + failedShard, + responses, + shardFailures, + ClusterState.EMPTY_STATE + ); + + List responseStats = response.getReplicationStats().get("test-index-1"); + SegmentReplicationPerGroupStats primStats0 = responseStats.get(0); + Set replicaStats0 = primStats0.getReplicaStats(); + assertEquals(2, replicaStats0.size()); + for (SegmentReplicationShardStats replicaStat : replicaStats0) { + if (replicaStat.getAllocationId().equals(allocIdTwo)) { + assertEquals(segmentReplicationState0, replicaStat.getCurrentReplicationState()); + } + + if (replicaStat.getAllocationId().equals(allocIdThree)) { + assertEquals(searchReplicaSegmentReplicationState0, replicaStat.getCurrentReplicationState()); + } + } + + SegmentReplicationPerGroupStats primStats1 = responseStats.get(1); + Set replicaStats1 = primStats1.getReplicaStats(); + assertEquals(2, replicaStats1.size()); + for (SegmentReplicationShardStats replicaStat : replicaStats1) { + if (replicaStat.getAllocationId().equals(allocIdFive)) { + assertEquals(segmentReplicationState1, replicaStat.getCurrentReplicationState()); + } + + if (replicaStat.getAllocationId().equals(allocIdSix)) { + assertEquals(searchReplicaSegmentReplicationState1, replicaStat.getCurrentReplicationState()); + } + } + } + + public void testNewResponseWhenShardsToFetchEmptyAndResponsesContainsNull() { + SegmentReplicationStatsRequest request = new SegmentReplicationStatsRequest(); + List shardFailures = new ArrayList<>(); + String[] shards = {}; + request.shards(shards); + + int totalShards = 3; + int successfulShards = 3; + int failedShard = 0; + String allocIdOne = "allocIdOne"; + String allocIdTwo = "allocIdTwo"; + ShardId shardIdOne = mock(ShardId.class); + ShardId shardIdTwo = mock(ShardId.class); + ShardId shardIdThree = mock(ShardId.class); + ShardRouting shardRoutingOne = mock(ShardRouting.class); + ShardRouting shardRoutingTwo = mock(ShardRouting.class); + ShardRouting shardRoutingThree = mock(ShardRouting.class); + when(shardIdOne.getId()).thenReturn(1); + when(shardIdTwo.getId()).thenReturn(2); + when(shardIdThree.getId()).thenReturn(3); + when(shardRoutingOne.shardId()).thenReturn(shardIdOne); + when(shardRoutingTwo.shardId()).thenReturn(shardIdTwo); + when(shardRoutingThree.shardId()).thenReturn(shardIdThree); + AllocationId allocationId = mock(AllocationId.class); + when(allocationId.getId()).thenReturn(allocIdOne); + when(shardRoutingTwo.allocationId()).thenReturn(allocationId); + when(shardIdOne.getIndexName()).thenReturn("test-index"); + + Set segmentReplicationShardStats = new HashSet<>(); + SegmentReplicationShardStats segmentReplicationShardStatsOfReplica = new SegmentReplicationShardStats(allocIdOne, 0, 0, 0, 0, 0); + segmentReplicationShardStats.add(segmentReplicationShardStatsOfReplica); + SegmentReplicationPerGroupStats segmentReplicationPerGroupStats = new SegmentReplicationPerGroupStats( + shardIdOne, + segmentReplicationShardStats, + 0 + ); + + SegmentReplicationState segmentReplicationState = mock(SegmentReplicationState.class); + SegmentReplicationShardStats segmentReplicationShardStatsFromSearchReplica = mock(SegmentReplicationShardStats.class); + when(segmentReplicationShardStatsFromSearchReplica.getAllocationId()).thenReturn("alloc2"); + when(segmentReplicationState.getShardRouting()).thenReturn(shardRoutingTwo); + + List responses = new ArrayList<>(); + responses.add(null); + responses.add(new SegmentReplicationShardStatsResponse(segmentReplicationPerGroupStats)); + responses.add(new SegmentReplicationShardStatsResponse(segmentReplicationState)); + + SegmentReplicationStatsResponse response = action.newResponse( + request, + totalShards, + successfulShards, + failedShard, + responses, + shardFailures, + ClusterState.EMPTY_STATE + ); + + List responseStats = response.getReplicationStats().get("test-index"); + SegmentReplicationPerGroupStats primStats = responseStats.get(0); + Set segRpShardStatsSet = primStats.getReplicaStats(); + + for (SegmentReplicationShardStats segRpShardStats : segRpShardStatsSet) { + if (segRpShardStats.getAllocationId().equals(allocIdOne)) { + assertEquals(segmentReplicationState, segRpShardStats.getCurrentReplicationState()); + } + + if (segRpShardStats.getAllocationId().equals(allocIdTwo)) { + assertEquals(segmentReplicationShardStatsFromSearchReplica, segRpShardStats); + } + } + } + + public void testShardOperationWithSegRepDisabled() { + ShardRouting shardRouting = mock(ShardRouting.class); + ShardId shardId = new ShardId(new Index("test-index", "test-uuid"), 0); + SegmentReplicationStatsRequest request = new SegmentReplicationStatsRequest(); + + when(shardRouting.shardId()).thenReturn(shardId); + when(indicesService.indexServiceSafe(shardId.getIndex())).thenReturn(indexService); + when(indexService.getShard(shardId.id())).thenReturn(indexShard); + when(indexShard.indexSettings()).thenReturn(createIndexSettingsWithSegRepDisabled()); + + SegmentReplicationShardStatsResponse response = action.shardOperation(request, shardRouting); + + assertNull(response); + } + + public void testGlobalBlockCheck() { + ClusterBlock writeClusterBlock = new ClusterBlock( + 1, + "uuid", + "", + true, + true, + true, + RestStatus.OK, + EnumSet.of(ClusterBlockLevel.METADATA_WRITE) + ); + + ClusterBlock readClusterBlock = new ClusterBlock( + 1, + "uuid", + "", + true, + true, + true, + RestStatus.OK, + EnumSet.of(ClusterBlockLevel.METADATA_READ) + ); + + ClusterBlocks.Builder builder = ClusterBlocks.builder(); + builder.addGlobalBlock(writeClusterBlock); + ClusterState metadataWriteBlockedState = ClusterState.builder(ClusterState.EMPTY_STATE).blocks(builder).build(); + assertNull(action.checkGlobalBlock(metadataWriteBlockedState, new SegmentReplicationStatsRequest())); + + builder = ClusterBlocks.builder(); + builder.addGlobalBlock(readClusterBlock); + ClusterState metadataReadBlockedState = ClusterState.builder(ClusterState.EMPTY_STATE).blocks(builder).build(); + assertNotNull(action.checkGlobalBlock(metadataReadBlockedState, new SegmentReplicationStatsRequest())); + } + + public void testIndexBlockCheck() { + ClusterBlock writeClusterBlock = new ClusterBlock( + 1, + "uuid", + "", + true, + true, + true, + RestStatus.OK, + EnumSet.of(ClusterBlockLevel.METADATA_WRITE) + ); + + ClusterBlock readClusterBlock = new ClusterBlock( + 1, + "uuid", + "", + true, + true, + true, + RestStatus.OK, + EnumSet.of(ClusterBlockLevel.METADATA_READ) + ); + + String indexName = "test"; + ClusterBlocks.Builder builder = ClusterBlocks.builder(); + builder.addIndexBlock(indexName, writeClusterBlock); + ClusterState metadataWriteBlockedState = ClusterState.builder(ClusterState.EMPTY_STATE).blocks(builder).build(); + assertNull(action.checkRequestBlock(metadataWriteBlockedState, new SegmentReplicationStatsRequest(), new String[] { indexName })); + + builder = ClusterBlocks.builder(); + builder.addIndexBlock(indexName, readClusterBlock); + ClusterState metadataReadBlockedState = ClusterState.builder(ClusterState.EMPTY_STATE).blocks(builder).build(); + assertNotNull(action.checkRequestBlock(metadataReadBlockedState, new SegmentReplicationStatsRequest(), new String[] { indexName })); + } + + private IndexSettings createIndexSettingsWithSegRepEnabled() { + Settings settings = Settings.builder() + .put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 2) + .put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 2) + .put(IndexMetadata.SETTING_REPLICATION_TYPE, ReplicationType.SEGMENT) + .put(IndexMetadata.SETTING_VERSION_CREATED, Version.CURRENT) + .build(); + + return new IndexSettings(IndexMetadata.builder("test").settings(settings).build(), settings); + } + + private IndexSettings createIndexSettingsWithSegRepDisabled() { + Settings settings = Settings.builder() + .put(IndexMetadata.SETTING_REPLICATION_TYPE, ReplicationType.DOCUMENT) + .put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 2) + .put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 2) + .put(IndexMetadata.SETTING_VERSION_CREATED, Version.CURRENT) + .build(); + return new IndexSettings(IndexMetadata.builder("test").settings(settings).build(), settings); + } +}