Examples with ReplicationOperation org.opensearch.action.support.replication.ReplicationOperation used on opensource projects

Example 1 with ReplicationOperation

use of org.opensearch.action.support.replication.ReplicationOperation in project OpenSearch by opensearch-project.

the class TransportVerifyShardBeforeCloseActionTests method testUnavailableShardsMarkedAsStale.

public void testUnavailableShardsMarkedAsStale() throws Exception {
    final String index = "test";
    final ShardId shardId = new ShardId(index, "_na_", 0);
    final int nbReplicas = randomIntBetween(1, 10);
    final ShardRoutingState[] replicaStates = new ShardRoutingState[nbReplicas];
    for (int i = 0; i < replicaStates.length; i++) {
        replicaStates[i] = ShardRoutingState.STARTED;
    }
    final ClusterState clusterState = state(index, true, ShardRoutingState.STARTED, replicaStates);
    setState(clusterService, clusterState);
    IndexShardRoutingTable shardRoutingTable = clusterState.routingTable().index(index).shard(shardId.id());
    final IndexMetadata indexMetadata = clusterState.getMetadata().index(index);
    final ShardRouting primaryRouting = shardRoutingTable.primaryShard();
    final long primaryTerm = indexMetadata.primaryTerm(0);
    final Set<String> inSyncAllocationIds = indexMetadata.inSyncAllocationIds(0);
    final Set<String> trackedShards = shardRoutingTable.getAllAllocationIds();
    List<ShardRouting> unavailableShards = randomSubsetOf(randomIntBetween(1, nbReplicas), shardRoutingTable.replicaShards());
    IndexShardRoutingTable.Builder shardRoutingTableBuilder = new IndexShardRoutingTable.Builder(shardRoutingTable);
    unavailableShards.forEach(shardRoutingTableBuilder::removeShard);
    shardRoutingTable = shardRoutingTableBuilder.build();
    final ReplicationGroup replicationGroup = new ReplicationGroup(shardRoutingTable, inSyncAllocationIds, trackedShards, 0);
    assertThat(replicationGroup.getUnavailableInSyncShards().size(), greaterThan(0));
    final PlainActionFuture<PrimaryResult> listener = new PlainActionFuture<>();
    TaskId taskId = new TaskId(clusterService.localNode().getId(), 0L);
    TransportVerifyShardBeforeCloseAction.ShardRequest request = new TransportVerifyShardBeforeCloseAction.ShardRequest(shardId, clusterBlock, false, taskId);
    ReplicationOperation.Replicas<TransportVerifyShardBeforeCloseAction.ShardRequest> proxy = action.newReplicasProxy();
    ReplicationOperation<TransportVerifyShardBeforeCloseAction.ShardRequest, TransportVerifyShardBeforeCloseAction.ShardRequest, PrimaryResult> operation = new ReplicationOperation<>(request, createPrimary(primaryRouting, replicationGroup), listener, proxy, logger, threadPool, "test", primaryTerm, TimeValue.timeValueMillis(20), TimeValue.timeValueSeconds(60));
    operation.execute();
    final CapturingTransport.CapturedRequest[] capturedRequests = transport.getCapturedRequestsAndClear();
    assertThat(capturedRequests.length, equalTo(nbReplicas));
    for (CapturingTransport.CapturedRequest capturedRequest : capturedRequests) {
        final String actionName = capturedRequest.action;
        if (actionName.startsWith(ShardStateAction.SHARD_FAILED_ACTION_NAME)) {
            assertThat(capturedRequest.request, instanceOf(ShardStateAction.FailedShardEntry.class));
            String allocationId = ((ShardStateAction.FailedShardEntry) capturedRequest.request).getAllocationId();
            assertTrue(unavailableShards.stream().anyMatch(shardRouting -> shardRouting.allocationId().getId().equals(allocationId)));
            transport.handleResponse(capturedRequest.requestId, TransportResponse.Empty.INSTANCE);
        } else if (actionName.startsWith(TransportVerifyShardBeforeCloseAction.NAME)) {
            assertThat(capturedRequest.request, instanceOf(ConcreteShardRequest.class));
            String allocationId = ((ConcreteShardRequest) capturedRequest.request).getTargetAllocationID();
            assertFalse(unavailableShards.stream().anyMatch(shardRouting -> shardRouting.allocationId().getId().equals(allocationId)));
            assertTrue(inSyncAllocationIds.stream().anyMatch(inSyncAllocationId -> inSyncAllocationId.equals(allocationId)));
            transport.handleResponse(capturedRequest.requestId, new TransportReplicationAction.ReplicaResponse(0L, 0L));
        } else {
            fail("Test does not support action " + capturedRequest.action);
        }
    }
    final ReplicationResponse.ShardInfo shardInfo = listener.get().getShardInfo();
    assertThat(shardInfo.getFailed(), equalTo(0));
    assertThat(shardInfo.getFailures(), arrayWithSize(0));
    assertThat(shardInfo.getSuccessful(), equalTo(1 + nbReplicas - unavailableShards.size()));
}