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fix CheckpointsIT
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bleskes committed Jun 23, 2016
1 parent a1af778 commit 9884b7d
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Showing 4 changed files with 78 additions and 20 deletions.
Expand Up @@ -28,6 +28,7 @@
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.cluster.routing.IndexShardRoutingTable;
import org.elasticsearch.cluster.routing.RoutingNode;
import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.cluster.routing.ShardRouting;
Expand Down Expand Up @@ -80,6 +81,7 @@
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
import java.util.stream.Collectors;

/**
*
Expand All @@ -93,7 +95,7 @@ public class IndicesClusterStateService extends AbstractLifecycleComponent<Indic
private final ShardStateAction shardStateAction;
private final NodeMappingRefreshAction nodeMappingRefreshAction;
private final NodeServicesProvider nodeServicesProvider;
private final GlobalCheckpointSyncAction globalCheckpointSyncAction;
private final Consumer<ShardId> globalCheckpointSyncer;

private static final ShardStateAction.Listener SHARD_STATE_ACTION_LISTENER = new ShardStateAction.Listener() {
};
Expand Down Expand Up @@ -121,7 +123,7 @@ public IndicesClusterStateService(Settings settings, IndicesService indicesServi
this(settings, (AllocatedIndices<? extends Shard, ? extends AllocatedIndex<? extends Shard>>) indicesService,
clusterService, threadPool, recoveryTargetService, shardStateAction,
nodeMappingRefreshAction, repositoriesService, restoreService, searchService, syncedFlushService, recoverySource,
nodeServicesProvider, globalCheckpointSyncAction);
nodeServicesProvider, globalCheckpointSyncAction::updateCheckpointForShard);
}

// for tests
Expand All @@ -134,10 +136,10 @@ public IndicesClusterStateService(Settings settings, IndicesService indicesServi
RepositoriesService repositoriesService, RestoreService restoreService,
SearchService searchService, SyncedFlushService syncedFlushService,
RecoverySource recoverySource, NodeServicesProvider nodeServicesProvider,
GlobalCheckpointSyncAction globalCheckpointSyncAction) {
Consumer<ShardId> globalCheckpointSyncer) {
super(settings);
this.buildInIndexListener = Arrays.asList(recoverySource, recoveryTargetService, searchService, syncedFlushService);
this.globalCheckpointSyncAction = globalCheckpointSyncAction;
this.globalCheckpointSyncer = globalCheckpointSyncer;
this.indicesService = indicesService;
this.clusterService = clusterService;
this.threadPool = threadPool;
Expand Down Expand Up @@ -427,11 +429,7 @@ private void createIndices(final ClusterState state) {
AllocatedIndex<? extends Shard> indexService = null;
try {
indexService =
indicesService.createIndex(
nodeServicesProvider,
indexMetaData,
buildInIndexListener,
globalCheckpointSyncAction::updateCheckpointForShard);
indicesService.createIndex(nodeServicesProvider, indexMetaData, buildInIndexListener, globalCheckpointSyncer);

if (indexService.updateMapping(indexMetaData) && sendRefreshMapping) {
nodeMappingRefreshAction.nodeMappingRefresh(state.nodes().getMasterNode(),
Expand Down Expand Up @@ -509,7 +507,7 @@ private void createOrUpdateShards(final ClusterState state) {
assert shardRouting.initializing() : shardRouting + " should have been removed by failMissingShards";
createShard(nodes, routingTable, shardRouting, indexService);
} else {
updateShard(nodes, shardRouting, shard);
updateShard(nodes, shardRouting, shard, routingTable.shardRoutingTable(shardId));
}
}
}
Expand Down Expand Up @@ -543,19 +541,27 @@ private void createShard(DiscoveryNodes nodes, RoutingTable routingTable, ShardR
}
}

private void updateShard(DiscoveryNodes nodes, ShardRouting shardRouting, Shard shard) {
private void updateShard(DiscoveryNodes nodes, ShardRouting shardRouting, Shard shard, IndexShardRoutingTable shardRoutingTable) {
final ShardRouting currentRoutingEntry = shard.routingEntry();
assert currentRoutingEntry.isSameAllocation(shardRouting) :
"local shard has a different allocation id but wasn't cleaning by removeShards. "
+ "cluster state: " + shardRouting + " local: " + currentRoutingEntry;

try {
shard.updateRoutingEntry(shardRouting);
if (shardRouting.primary()) {
Set<String> activeIds = shardRoutingTable.activeShards().stream().map(sr -> sr.allocationId().getId())
.collect(Collectors.toSet());
Set<String> initializingIds = shardRoutingTable.getAllInitializingShards().stream().map(sr -> sr.allocationId().getId())
.collect(Collectors.toSet());
shard.updateAllocationIdsFromMaster(activeIds, initializingIds);
}
} catch (Throwable e) {
failAndRemoveShard(shardRouting, true, "failed updating shard routing entry", e);
failAndRemoveShard(shardRouting, true, "failed updating shard of the new meta data", e);
return;
}


final IndexShardState state = shard.state();
if (shardRouting.initializing() && (state == IndexShardState.STARTED || state == IndexShardState.POST_RECOVERY)) {
// the master thinks we are initializing, but we are already started or on POST_RECOVERY and waiting
Expand Down Expand Up @@ -745,6 +751,14 @@ public interface Shard {
* @throws IOException if shard state could not be persisted
*/
void updateRoutingEntry(ShardRouting shardRouting) throws IOException;

/**
* update the shard about the current active allocation ids. only called on a primary shard
*
* @param activeIds set of active allocation ids
* @param initializingIds set of initializing allocations ids
*/
void updateAllocationIdsFromMaster(Set<String> activeIds, Set<String> initializingIds);
}

public interface AllocatedIndex<T extends Shard> extends Iterable<T>, IndexComponent {
Expand Down
Expand Up @@ -53,17 +53,21 @@ public void testCheckpointsAdvance() throws Exception {
assertBusy(() -> {
IndicesStatsResponse stats = client().admin().indices().prepareStats("test").clear().get();
for (ShardStats shardStats : stats.getShards()) {
if (shardStats.getSeqNoStats() == null) {
assertFalse("no seq_no stats for primary " + shardStats.getShardRouting(), shardStats.getShardRouting().primary());
continue;
}
logger.debug("seq_no stats for {}: {}", shardStats.getShardRouting(),
XContentHelper.toString(shardStats.getSeqNoStats(),
new ToXContent.MapParams(Collections.singletonMap("pretty", "false"))));
assertThat(shardStats.getShardRouting() + " local checkpoint mismatch",
shardStats.getSeqNoStats().getLocalCheckpoint(), equalTo(numDocs - 1));

final Matcher<Long> globalCheckpointMatcher;
if (shardStats.getShardRouting().primary()) {
globalCheckpointMatcher = equalTo(numDocs - 1);
} else {
// nocommit: removed once fixed
globalCheckpointMatcher = anyOf(equalTo(SequenceNumbersService.UNASSIGNED_SEQ_NO), equalTo(numDocs - 1));
}
assertThat(shardStats.getShardRouting() + " global checkpoint mismatch",
shardStats.getSeqNoStats().getGlobalCheckpoint(), equalTo(numDocs - 1));
shardStats.getSeqNoStats().getGlobalCheckpoint(), globalCheckpointMatcher);
assertThat(shardStats.getShardRouting() + " max seq no mismatch",
shardStats.getSeqNoStats().getMaxSeqNo(), equalTo(numDocs - 1));
}
Expand Down
Expand Up @@ -21,6 +21,7 @@

import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.routing.IndexShardRoutingTable;
import org.elasticsearch.cluster.routing.RoutingNode;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.Nullable;
Expand All @@ -37,8 +38,8 @@
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.indices.cluster.IndicesClusterStateService.AllocatedIndex;
import org.elasticsearch.indices.cluster.IndicesClusterStateService.Shard;
import org.elasticsearch.indices.cluster.IndicesClusterStateService.AllocatedIndices;
import org.elasticsearch.indices.cluster.IndicesClusterStateService.Shard;
import org.elasticsearch.indices.recovery.RecoveryState;
import org.elasticsearch.indices.recovery.RecoveryTargetService;
import org.elasticsearch.repositories.RepositoriesService;
Expand All @@ -49,13 +50,17 @@
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import java.util.function.Consumer;
import java.util.stream.Collectors;

import static java.util.Collections.emptyMap;
import static java.util.Collections.unmodifiableMap;
import static org.elasticsearch.common.collect.MapBuilder.newMapBuilder;
import static org.hamcrest.Matchers.anyOf;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.nullValue;

/**
* Abstract base class for tests against {@link IndicesClusterStateService}
Expand Down Expand Up @@ -85,7 +90,7 @@ public static void assertClusterStateMatchesNodeState(ClusterState state, Indice
Index index = shardRouting.index();
IndexMetaData indexMetaData = state.metaData().getIndexSafe(index);

Shard shard = indicesService.getShardOrNull(shardRouting.shardId());
MockIndexShard shard = (MockIndexShard) indicesService.getShardOrNull(shardRouting.shardId());
ShardRouting failedShard = failedShardsCache.get(shardRouting.shardId());
if (shard == null && failedShard == null) {
fail("Shard with id " + shardRouting + " expected but missing in indicesService and failedShardsCache");
Expand All @@ -106,6 +111,22 @@ public static void assertClusterStateMatchesNodeState(ClusterState state, Indice
shard != null);
// shard has latest shard routing
assertThat(shard.routingEntry(), equalTo(shardRouting));

final IndexShardRoutingTable shardRoutingTable = state.routingTable().shardRoutingTable(shard.shardId());
final Set<String> initializingIds = shardRoutingTable.getAllInitializingShards().stream()
.map(r -> r.allocationId().getId()).collect(Collectors.toSet());
final Set<String> activeIds = shardRoutingTable.activeShards().stream().map(r -> r.allocationId().getId())
.collect(Collectors.toSet());
if (shardRouting.primary() == false) {
assertThat(shard.activeIds(), nullValue());
assertThat(shard.initializingIds(), nullValue());
} else if (shardRouting.active()) {
assertThat(shard.activeIds(), equalTo(activeIds));
assertThat(shard.initializingIds(), equalTo(initializingIds));
} else {
assertThat(shard.activeIds(), anyOf(nullValue(), equalTo(activeIds)));
assertThat(shard.initializingIds(), anyOf(nullValue(), equalTo(initializingIds)));
}
}
}
}
Expand Down Expand Up @@ -286,6 +307,8 @@ public Index index() {
protected class MockIndexShard implements IndicesClusterStateService.Shard {
private volatile ShardRouting shardRouting;
private volatile RecoveryState recoveryState;
private volatile Set<String> initializingIds;
private volatile Set<String> activeIds;

public MockIndexShard(ShardRouting shardRouting) {
this.shardRouting = shardRouting;
Expand Down Expand Up @@ -318,5 +341,19 @@ public void updateRoutingEntry(ShardRouting shardRouting) throws IOException {
assert this.shardRouting.isSameAllocation(shardRouting);
this.shardRouting = shardRouting;
}

@Override
public void updateAllocationIdsFromMaster(Set<String> activeIds, Set<String> initializingIds) {
this.activeIds = activeIds;
this.initializingIds = initializingIds;
}

public Set<String> initializingIds() {
return initializingIds;
}

public Set<String> activeIds() {
return activeIds;
}
}
}
Expand Up @@ -61,6 +61,7 @@
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;


public class IndicesClusterStateServiceRandomUpdatesTests extends AbstractIndicesClusterStateServiceTestCase {

private final ClusterStateChanges cluster = new ClusterStateChanges();
Expand Down Expand Up @@ -275,7 +276,9 @@ private IndicesClusterStateService createIndicesClusterStateService() {
transportService, null, clusterService);
final ShardStateAction shardStateAction = mock(ShardStateAction.class);
return new IndicesClusterStateService(Settings.EMPTY, indicesService, clusterService,
threadPool, recoveryTargetService, shardStateAction, null, repositoriesService, null, null, null, null, null, null);
threadPool, recoveryTargetService, shardStateAction, null, repositoriesService, null, null, null, null, null,
shardId -> {
});
}

}

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