/
EnhancedBigtableStub.java
1141 lines (1009 loc) · 53.1 KB
/
EnhancedBigtableStub.java
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/*
* Copyright 2018 Google LLC
*
* Licensed 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
*
* https://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.
*/
package com.google.cloud.bigtable.data.v2.stub;
import com.google.api.core.BetaApi;
import com.google.api.core.InternalApi;
import com.google.api.gax.batching.Batcher;
import com.google.api.gax.batching.BatcherImpl;
import com.google.api.gax.batching.FlowController;
import com.google.api.gax.core.BackgroundResource;
import com.google.api.gax.core.CredentialsProvider;
import com.google.api.gax.core.FixedCredentialsProvider;
import com.google.api.gax.grpc.GaxGrpcProperties;
import com.google.api.gax.grpc.GrpcCallContext;
import com.google.api.gax.grpc.GrpcCallSettings;
import com.google.api.gax.grpc.GrpcRawCallableFactory;
import com.google.api.gax.grpc.InstantiatingGrpcChannelProvider;
import com.google.api.gax.retrying.ExponentialRetryAlgorithm;
import com.google.api.gax.retrying.RetryAlgorithm;
import com.google.api.gax.retrying.RetryingExecutorWithContext;
import com.google.api.gax.retrying.ScheduledRetryingExecutor;
import com.google.api.gax.rpc.Callables;
import com.google.api.gax.rpc.ClientContext;
import com.google.api.gax.rpc.RequestParamsExtractor;
import com.google.api.gax.rpc.ServerStreamingCallSettings;
import com.google.api.gax.rpc.ServerStreamingCallable;
import com.google.api.gax.rpc.UnaryCallable;
import com.google.api.gax.tracing.OpencensusTracerFactory;
import com.google.api.gax.tracing.SpanName;
import com.google.api.gax.tracing.TracedServerStreamingCallable;
import com.google.api.gax.tracing.TracedUnaryCallable;
import com.google.auth.Credentials;
import com.google.auth.oauth2.ServiceAccountJwtAccessCredentials;
import com.google.bigtable.v2.BigtableGrpc;
import com.google.bigtable.v2.CheckAndMutateRowRequest;
import com.google.bigtable.v2.CheckAndMutateRowResponse;
import com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsRequest;
import com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsResponse;
import com.google.bigtable.v2.MutateRowRequest;
import com.google.bigtable.v2.MutateRowResponse;
import com.google.bigtable.v2.MutateRowsRequest;
import com.google.bigtable.v2.MutateRowsResponse;
import com.google.bigtable.v2.PingAndWarmRequest;
import com.google.bigtable.v2.PingAndWarmResponse;
import com.google.bigtable.v2.ReadChangeStreamRequest;
import com.google.bigtable.v2.ReadChangeStreamResponse;
import com.google.bigtable.v2.ReadModifyWriteRowRequest;
import com.google.bigtable.v2.ReadModifyWriteRowResponse;
import com.google.bigtable.v2.ReadRowsRequest;
import com.google.bigtable.v2.ReadRowsResponse;
import com.google.bigtable.v2.RowRange;
import com.google.bigtable.v2.SampleRowKeysRequest;
import com.google.bigtable.v2.SampleRowKeysResponse;
import com.google.cloud.bigtable.Version;
import com.google.cloud.bigtable.data.v2.internal.JwtCredentialsWithAudience;
import com.google.cloud.bigtable.data.v2.internal.RequestContext;
import com.google.cloud.bigtable.data.v2.models.BulkMutation;
import com.google.cloud.bigtable.data.v2.models.ChangeStreamMutation;
import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecord;
import com.google.cloud.bigtable.data.v2.models.ChangeStreamRecordAdapter;
import com.google.cloud.bigtable.data.v2.models.ConditionalRowMutation;
import com.google.cloud.bigtable.data.v2.models.DefaultChangeStreamRecordAdapter;
import com.google.cloud.bigtable.data.v2.models.DefaultRowAdapter;
import com.google.cloud.bigtable.data.v2.models.KeyOffset;
import com.google.cloud.bigtable.data.v2.models.Query;
import com.google.cloud.bigtable.data.v2.models.Range.ByteStringRange;
import com.google.cloud.bigtable.data.v2.models.ReadChangeStreamQuery;
import com.google.cloud.bigtable.data.v2.models.ReadModifyWriteRow;
import com.google.cloud.bigtable.data.v2.models.Row;
import com.google.cloud.bigtable.data.v2.models.RowAdapter;
import com.google.cloud.bigtable.data.v2.models.RowMutation;
import com.google.cloud.bigtable.data.v2.models.RowMutationEntry;
import com.google.cloud.bigtable.data.v2.stub.changestream.ChangeStreamRecordMergingCallable;
import com.google.cloud.bigtable.data.v2.stub.changestream.GenerateInitialChangeStreamPartitionsUserCallable;
import com.google.cloud.bigtable.data.v2.stub.changestream.ReadChangeStreamResumptionStrategy;
import com.google.cloud.bigtable.data.v2.stub.changestream.ReadChangeStreamUserCallable;
import com.google.cloud.bigtable.data.v2.stub.metrics.BigtableTracerStreamingCallable;
import com.google.cloud.bigtable.data.v2.stub.metrics.BigtableTracerUnaryCallable;
import com.google.cloud.bigtable.data.v2.stub.metrics.BuiltinMetricsTracerFactory;
import com.google.cloud.bigtable.data.v2.stub.metrics.CompositeTracerFactory;
import com.google.cloud.bigtable.data.v2.stub.metrics.MetricsTracerFactory;
import com.google.cloud.bigtable.data.v2.stub.metrics.RpcMeasureConstants;
import com.google.cloud.bigtable.data.v2.stub.metrics.StatsHeadersServerStreamingCallable;
import com.google.cloud.bigtable.data.v2.stub.metrics.StatsHeadersUnaryCallable;
import com.google.cloud.bigtable.data.v2.stub.metrics.TracedBatcherUnaryCallable;
import com.google.cloud.bigtable.data.v2.stub.mutaterows.BulkMutateRowsUserFacingCallable;
import com.google.cloud.bigtable.data.v2.stub.mutaterows.MutateRowsBatchingDescriptor;
import com.google.cloud.bigtable.data.v2.stub.mutaterows.MutateRowsRetryingCallable;
import com.google.cloud.bigtable.data.v2.stub.readrows.FilterMarkerRowsCallable;
import com.google.cloud.bigtable.data.v2.stub.readrows.ReadRowsBatchingDescriptor;
import com.google.cloud.bigtable.data.v2.stub.readrows.ReadRowsFirstCallable;
import com.google.cloud.bigtable.data.v2.stub.readrows.ReadRowsResumptionStrategy;
import com.google.cloud.bigtable.data.v2.stub.readrows.ReadRowsRetryCompletedCallable;
import com.google.cloud.bigtable.data.v2.stub.readrows.ReadRowsUserCallable;
import com.google.cloud.bigtable.data.v2.stub.readrows.RowMergingCallable;
import com.google.cloud.bigtable.gaxx.retrying.ApiResultRetryAlgorithm;
import com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.protobuf.ByteString;
import io.opencensus.stats.Stats;
import io.opencensus.stats.StatsRecorder;
import io.opencensus.tags.TagKey;
import io.opencensus.tags.TagValue;
import io.opencensus.tags.Tagger;
import io.opencensus.tags.Tags;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
/**
* The core client that converts method calls to RPCs.
*
* <p>This class consists of a set of Callable chains that represent RPC methods. There is a chain
* for each RPC method. Each chain starts with a transformation that takes a protobuf wrapper and
* terminates in a Callable that a gax gRPC callable. This class is meant to be a semantically
* complete facade for the Bigtable data API. However it is not meant to be consumed directly,
* please use {@link com.google.cloud.bigtable.data.v2.BigtableDataClient}.
*
* <p>This class is considered an internal implementation detail and not meant to be used by
* applications.
*/
@InternalApi
public class EnhancedBigtableStub implements AutoCloseable {
private static final String CLIENT_NAME = "Bigtable";
private static final long FLOW_CONTROL_ADJUSTING_INTERVAL_MS = TimeUnit.SECONDS.toMillis(20);
private final EnhancedBigtableStubSettings settings;
private final ClientContext clientContext;
private final RequestContext requestContext;
private final FlowController bulkMutationFlowController;
private final DynamicFlowControlStats bulkMutationDynamicFlowControlStats;
private final ServerStreamingCallable<Query, Row> readRowsCallable;
private final UnaryCallable<Query, Row> readRowCallable;
private final UnaryCallable<Query, List<Row>> bulkReadRowsCallable;
private final UnaryCallable<String, List<KeyOffset>> sampleRowKeysCallable;
private final UnaryCallable<RowMutation, Void> mutateRowCallable;
private final UnaryCallable<BulkMutation, Void> bulkMutateRowsCallable;
private final UnaryCallable<ConditionalRowMutation, Boolean> checkAndMutateRowCallable;
private final UnaryCallable<ReadModifyWriteRow, Row> readModifyWriteRowCallable;
private final UnaryCallable<PingAndWarmRequest, PingAndWarmResponse> pingAndWarmCallable;
private final ServerStreamingCallable<String, ByteStringRange>
generateInitialChangeStreamPartitionsCallable;
private final ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecord>
readChangeStreamCallable;
public static EnhancedBigtableStub create(EnhancedBigtableStubSettings settings)
throws IOException {
settings = finalizeSettings(settings, Tags.getTagger(), Stats.getStatsRecorder());
return new EnhancedBigtableStub(settings, ClientContext.create(settings));
}
public static EnhancedBigtableStubSettings finalizeSettings(
EnhancedBigtableStubSettings settings, Tagger tagger, StatsRecorder stats)
throws IOException {
EnhancedBigtableStubSettings.Builder builder = settings.toBuilder();
// TODO: this implementation is on the cusp of unwieldy, if we end up adding more features
// consider splitting it up by feature.
// workaround JWT audience issues
patchCredentials(builder);
// patch cookies interceptor
InstantiatingGrpcChannelProvider.Builder transportProvider = null;
if (builder.getTransportChannelProvider() instanceof InstantiatingGrpcChannelProvider) {
transportProvider =
((InstantiatingGrpcChannelProvider) builder.getTransportChannelProvider()).toBuilder();
transportProvider.setInterceptorProvider(() -> ImmutableList.of(new CookiesInterceptor()));
}
// Inject channel priming
if (settings.isRefreshingChannel()) {
// Fix the credentials so that they can be shared
Credentials credentials = null;
if (builder.getCredentialsProvider() != null) {
credentials = builder.getCredentialsProvider().getCredentials();
}
builder.setCredentialsProvider(FixedCredentialsProvider.create(credentials));
if (transportProvider != null) {
transportProvider.setChannelPrimer(
BigtableChannelPrimer.create(
credentials,
settings.getProjectId(),
settings.getInstanceId(),
settings.getAppProfileId()));
}
}
if (transportProvider != null) {
builder.setTransportChannelProvider(transportProvider.build());
}
ImmutableMap<TagKey, TagValue> attributes =
ImmutableMap.<TagKey, TagValue>builder()
.put(RpcMeasureConstants.BIGTABLE_PROJECT_ID, TagValue.create(settings.getProjectId()))
.put(
RpcMeasureConstants.BIGTABLE_INSTANCE_ID, TagValue.create(settings.getInstanceId()))
.put(
RpcMeasureConstants.BIGTABLE_APP_PROFILE_ID,
TagValue.create(settings.getAppProfileId()))
.build();
ImmutableMap<String, String> builtinAttributes =
ImmutableMap.<String, String>builder()
.put("project_id", settings.getProjectId())
.put("instance", settings.getInstanceId())
.put("app_profile", settings.getAppProfileId())
.build();
// Inject Opencensus instrumentation
builder.setTracerFactory(
new CompositeTracerFactory(
ImmutableList.of(
// Add OpenCensus Tracing
new OpencensusTracerFactory(
ImmutableMap.<String, String>builder()
// Annotate traces with the same tags as metrics
.put(
RpcMeasureConstants.BIGTABLE_PROJECT_ID.getName(),
settings.getProjectId())
.put(
RpcMeasureConstants.BIGTABLE_INSTANCE_ID.getName(),
settings.getInstanceId())
.put(
RpcMeasureConstants.BIGTABLE_APP_PROFILE_ID.getName(),
settings.getAppProfileId())
// Also annotate traces with library versions
.put("gax", GaxGrpcProperties.getGaxGrpcVersion())
.put("grpc", GaxGrpcProperties.getGrpcVersion())
.put("gapic", Version.VERSION)
.build()),
// Add OpenCensus Metrics
MetricsTracerFactory.create(tagger, stats, attributes),
BuiltinMetricsTracerFactory.create(builtinAttributes),
// Add user configured tracer
settings.getTracerFactory())));
return builder.build();
}
private static void patchCredentials(EnhancedBigtableStubSettings.Builder settings)
throws IOException {
int i = settings.getEndpoint().lastIndexOf(":");
String host = settings.getEndpoint().substring(0, i);
String audience = settings.getJwtAudienceMapping().get(host);
if (audience == null) {
return;
}
URI audienceUri = null;
try {
audienceUri = new URI(audience);
} catch (URISyntaxException e) {
throw new IllegalStateException("invalid JWT audience override", e);
}
CredentialsProvider credentialsProvider = settings.getCredentialsProvider();
if (credentialsProvider == null) {
return;
}
Credentials credentials = credentialsProvider.getCredentials();
if (credentials == null) {
return;
}
if (!(credentials instanceof ServiceAccountJwtAccessCredentials)) {
return;
}
ServiceAccountJwtAccessCredentials jwtCreds = (ServiceAccountJwtAccessCredentials) credentials;
JwtCredentialsWithAudience patchedCreds = new JwtCredentialsWithAudience(jwtCreds, audienceUri);
settings.setCredentialsProvider(FixedCredentialsProvider.create(patchedCreds));
}
public EnhancedBigtableStub(EnhancedBigtableStubSettings settings, ClientContext clientContext) {
this.settings = settings;
this.clientContext = clientContext;
this.requestContext =
RequestContext.create(
settings.getProjectId(), settings.getInstanceId(), settings.getAppProfileId());
this.bulkMutationFlowController =
new FlowController(settings.bulkMutateRowsSettings().getDynamicFlowControlSettings());
this.bulkMutationDynamicFlowControlStats = new DynamicFlowControlStats();
readRowsCallable = createReadRowsCallable(new DefaultRowAdapter());
readRowCallable = createReadRowCallable(new DefaultRowAdapter());
bulkReadRowsCallable = createBulkReadRowsCallable(new DefaultRowAdapter());
sampleRowKeysCallable = createSampleRowKeysCallable();
mutateRowCallable = createMutateRowCallable();
bulkMutateRowsCallable = createBulkMutateRowsCallable();
checkAndMutateRowCallable = createCheckAndMutateRowCallable();
readModifyWriteRowCallable = createReadModifyWriteRowCallable();
generateInitialChangeStreamPartitionsCallable =
createGenerateInitialChangeStreamPartitionsCallable();
readChangeStreamCallable =
createReadChangeStreamCallable(new DefaultChangeStreamRecordAdapter());
pingAndWarmCallable = createPingAndWarmCallable();
}
// <editor-fold desc="Callable creators">
/**
* Creates a callable chain to handle ReadRows RPCs. The chain will:
*
* <ul>
* <li>Dispatch the RPC with {@link ReadRowsRequest}.
* <li>Upon receiving the response stream, it will merge the {@link
* com.google.bigtable.v2.ReadRowsResponse.CellChunk}s in logical rows. The actual row
* implementation can be configured by the {@code rowAdapter} parameter.
* <li>Retry/resume on failure.
* <li>Filter out marker rows.
* </ul>
*
* <p>NOTE: the caller is responsible for adding tracing & metrics.
*/
@BetaApi("This surface is stable yet it might be removed in the future.")
public <RowT> ServerStreamingCallable<ReadRowsRequest, RowT> createReadRowsRawCallable(
RowAdapter<RowT> rowAdapter) {
return createReadRowsBaseCallable(settings.readRowsSettings(), rowAdapter)
.withDefaultCallContext(clientContext.getDefaultCallContext());
}
/**
* Creates a callable chain to handle streaming ReadRows RPCs. The chain will:
*
* <ul>
* <li>Convert a {@link Query} into a {@link com.google.bigtable.v2.ReadRowsRequest} and
* dispatch the RPC.
* <li>Upon receiving the response stream, it will merge the {@link
* com.google.bigtable.v2.ReadRowsResponse.CellChunk}s in logical rows. The actual row
* implementation can be configured in by the {@code rowAdapter} parameter.
* <li>Retry/resume on failure.
* <li>Filter out marker rows.
* <li>Add tracing & metrics.
* </ul>
*/
public <RowT> ServerStreamingCallable<Query, RowT> createReadRowsCallable(
RowAdapter<RowT> rowAdapter) {
ServerStreamingCallable<ReadRowsRequest, RowT> readRowsCallable =
createReadRowsBaseCallable(settings.readRowsSettings(), rowAdapter);
ServerStreamingCallable<Query, RowT> readRowsUserCallable =
new ReadRowsUserCallable<>(readRowsCallable, requestContext);
SpanName span = getSpanName("ReadRows");
ServerStreamingCallable<Query, RowT> traced =
new TracedServerStreamingCallable<>(
readRowsUserCallable, clientContext.getTracerFactory(), span);
// CookieHolder needs to be injected to the CallOptions outside of retries, otherwise retry
// attempts won't see a CookieHolder.
ServerStreamingCallable<Query, RowT> withCookie = new CookiesServerStreamingCallable<>(traced);
return withCookie.withDefaultCallContext(clientContext.getDefaultCallContext());
}
/**
* Creates a callable chain to handle point ReadRows RPCs. The chain will:
*
* <ul>
* <li>Convert a {@link Query} into a {@link com.google.bigtable.v2.ReadRowsRequest} and
* dispatch the RPC.
* <li>Upon receiving the response stream, it will merge the {@link
* com.google.bigtable.v2.ReadRowsResponse.CellChunk}s in logical rows. The actual row
* implementation can be configured in by the {@code rowAdapter} parameter.
* <li>Retry/resume on failure.
* <li>Filter out marker rows.
* <li>Add tracing & metrics.
* </ul>
*/
public <RowT> UnaryCallable<Query, RowT> createReadRowCallable(RowAdapter<RowT> rowAdapter) {
ServerStreamingCallable<ReadRowsRequest, RowT> readRowsCallable =
createReadRowsBaseCallable(
ServerStreamingCallSettings.<ReadRowsRequest, Row>newBuilder()
.setRetryableCodes(settings.readRowSettings().getRetryableCodes())
.setRetrySettings(settings.readRowSettings().getRetrySettings())
.setIdleTimeout(settings.readRowSettings().getRetrySettings().getTotalTimeout())
.build(),
rowAdapter);
ReadRowsUserCallable<RowT> readRowCallable =
new ReadRowsUserCallable<>(readRowsCallable, requestContext);
ReadRowsFirstCallable<RowT> firstRow = new ReadRowsFirstCallable<>(readRowCallable);
UnaryCallable<Query, RowT> traced =
new TracedUnaryCallable<>(
firstRow, clientContext.getTracerFactory(), getSpanName("ReadRow"));
UnaryCallable<Query, RowT> withCookie = new CookiesUnaryCallable<>(traced);
return withCookie.withDefaultCallContext(clientContext.getDefaultCallContext());
}
/**
* Creates a callable chain to handle ReadRows RPCs. The chain will:
*
* <ul>
* <li>Dispatch the RPC with {@link ReadRowsRequest}.
* <li>Upon receiving the response stream, it will merge the {@link
* com.google.bigtable.v2.ReadRowsResponse.CellChunk}s in logical rows. The actual row
* implementation can be configured by the {@code rowAdapter} parameter.
* <li>Add bigtable tracer for tracking bigtable specific metrics.
* <li>Retry/resume on failure.
* <li>Filter out marker rows.
* </ul>
*
* <p>NOTE: the caller is responsible for adding tracing & metrics.
*/
private <ReqT, RowT> ServerStreamingCallable<ReadRowsRequest, RowT> createReadRowsBaseCallable(
ServerStreamingCallSettings<ReqT, Row> readRowsSettings, RowAdapter<RowT> rowAdapter) {
ServerStreamingCallable<ReadRowsRequest, ReadRowsResponse> base =
GrpcRawCallableFactory.createServerStreamingCallable(
GrpcCallSettings.<ReadRowsRequest, ReadRowsResponse>newBuilder()
.setMethodDescriptor(BigtableGrpc.getReadRowsMethod())
.setParamsExtractor(
new RequestParamsExtractor<ReadRowsRequest>() {
@Override
public Map<String, String> extract(ReadRowsRequest readRowsRequest) {
return ImmutableMap.of(
"table_name", readRowsRequest.getTableName(),
"app_profile_id", readRowsRequest.getAppProfileId());
}
})
.build(),
readRowsSettings.getRetryableCodes());
ServerStreamingCallable<ReadRowsRequest, ReadRowsResponse> withStatsHeaders =
new StatsHeadersServerStreamingCallable<>(base);
// Sometimes ReadRows connections are disconnected via an RST frame. This error is transient and
// should be treated similar to UNAVAILABLE. However, this exception has an INTERNAL error code
// which by default is not retryable. Convert the exception so it can be retried in the client.
ServerStreamingCallable<ReadRowsRequest, ReadRowsResponse> convertException =
new ConvertExceptionCallable<>(withStatsHeaders);
ServerStreamingCallable<ReadRowsRequest, RowT> merging =
new RowMergingCallable<>(convertException, rowAdapter);
// Copy settings for the middle ReadRowsRequest -> RowT callable (as opposed to the inner
// ReadRowsRequest -> ReadRowsResponse callable).
ServerStreamingCallSettings<ReadRowsRequest, RowT> innerSettings =
ServerStreamingCallSettings.<ReadRowsRequest, RowT>newBuilder()
.setResumptionStrategy(new ReadRowsResumptionStrategy<>(rowAdapter))
.setRetryableCodes(readRowsSettings.getRetryableCodes())
.setRetrySettings(readRowsSettings.getRetrySettings())
.setIdleTimeout(readRowsSettings.getIdleTimeout())
.setWaitTimeout(readRowsSettings.getWaitTimeout())
.build();
ServerStreamingCallable<ReadRowsRequest, RowT> watched =
Callables.watched(merging, innerSettings, clientContext);
ServerStreamingCallable<ReadRowsRequest, RowT> withBigtableTracer =
new BigtableTracerStreamingCallable<>(watched);
// Retry logic is split into 2 parts to workaround a rare edge case described in
// ReadRowsRetryCompletedCallable
ServerStreamingCallable<ReadRowsRequest, RowT> retrying1 =
new ReadRowsRetryCompletedCallable<>(withBigtableTracer);
ServerStreamingCallable<ReadRowsRequest, RowT> retrying2 =
Callables.retrying(retrying1, innerSettings, clientContext);
return new FilterMarkerRowsCallable<>(retrying2, rowAdapter);
}
/**
* Creates a callable chain to handle bulk ReadRows RPCs. This is meant to be used in ReadRows
* batcher. The chain will:
*
* <ul>
* <li>Convert a {@link Query} into a {@link com.google.bigtable.v2.ReadRowsRequest}.
* <li>Upon receiving the response stream, it will merge the {@link
* com.google.bigtable.v2.ReadRowsResponse.CellChunk}s in logical rows. The actual row
* implementation can be configured in by the {@code rowAdapter} parameter.
* <li>Retry/resume on failure.
* <li>Filter out marker rows.
* <li>Construct a {@link UnaryCallable} that will buffer the entire stream into memory before
* completing. If the stream is empty, then the list will be empty.
* <li>Add tracing & metrics.
* </ul>
*/
private <RowT> UnaryCallable<Query, List<RowT>> createBulkReadRowsCallable(
RowAdapter<RowT> rowAdapter) {
ServerStreamingCallable<ReadRowsRequest, RowT> readRowsCallable =
createReadRowsBaseCallable(settings.readRowsSettings(), rowAdapter);
ServerStreamingCallable<Query, RowT> readRowsUserCallable =
new ReadRowsUserCallable<>(readRowsCallable, requestContext);
SpanName span = getSpanName("ReadRows");
// The TracedBatcherUnaryCallable has to be wrapped by the TracedUnaryCallable, so that
// TracedUnaryCallable can inject a tracer for the TracedBatcherUnaryCallable to interact with
UnaryCallable<Query, List<RowT>> tracedBatcher =
new TracedBatcherUnaryCallable<>(readRowsUserCallable.all());
UnaryCallable<Query, List<RowT>> traced =
new TracedUnaryCallable<>(tracedBatcher, clientContext.getTracerFactory(), span);
return traced.withDefaultCallContext(clientContext.getDefaultCallContext());
}
/**
* Creates a callable chain to handle SampleRowKeys RPcs. The chain will:
*
* <ul>
* <li>Convert a table id to a {@link com.google.bigtable.v2.SampleRowKeysRequest}.
* <li>Dispatch the request to the GAPIC's {@link BigtableStub#sampleRowKeysCallable()}.
* <li>Spool responses into a list.
* <li>Retry on failure.
* <li>Convert the responses into {@link KeyOffset}s.
* <li>Add tracing & metrics.
* </ul>
*/
private UnaryCallable<String, List<KeyOffset>> createSampleRowKeysCallable() {
String methodName = "SampleRowKeys";
ServerStreamingCallable<SampleRowKeysRequest, SampleRowKeysResponse> base =
GrpcRawCallableFactory.createServerStreamingCallable(
GrpcCallSettings.<SampleRowKeysRequest, SampleRowKeysResponse>newBuilder()
.setMethodDescriptor(BigtableGrpc.getSampleRowKeysMethod())
.setParamsExtractor(
new RequestParamsExtractor<SampleRowKeysRequest>() {
@Override
public Map<String, String> extract(
SampleRowKeysRequest sampleRowKeysRequest) {
return ImmutableMap.of(
"table_name", sampleRowKeysRequest.getTableName(),
"app_profile_id", sampleRowKeysRequest.getAppProfileId());
}
})
.build(),
settings.sampleRowKeysSettings().getRetryableCodes());
UnaryCallable<SampleRowKeysRequest, List<SampleRowKeysResponse>> spoolable = base.all();
UnaryCallable<SampleRowKeysRequest, List<SampleRowKeysResponse>> withStatsHeaders =
new StatsHeadersUnaryCallable<>(spoolable);
UnaryCallable<SampleRowKeysRequest, List<SampleRowKeysResponse>> withBigtableTracer =
new BigtableTracerUnaryCallable<>(withStatsHeaders);
UnaryCallable<SampleRowKeysRequest, List<SampleRowKeysResponse>> retryable =
Callables.retrying(withBigtableTracer, settings.sampleRowKeysSettings(), clientContext);
return createUserFacingUnaryCallable(
methodName, new SampleRowKeysCallable(retryable, requestContext));
}
/**
* Creates a callable chain to handle MutateRow RPCs. The chain will:
*
* <ul>
* <li>Convert a {@link RowMutation} into a {@link com.google.bigtable.v2.MutateRowRequest}.
* <li>Add tracing & metrics.
* </ul>
*/
private UnaryCallable<RowMutation, Void> createMutateRowCallable() {
String methodName = "MutateRow";
UnaryCallable<MutateRowRequest, MutateRowResponse> base =
GrpcRawCallableFactory.createUnaryCallable(
GrpcCallSettings.<MutateRowRequest, MutateRowResponse>newBuilder()
.setMethodDescriptor(BigtableGrpc.getMutateRowMethod())
.setParamsExtractor(
new RequestParamsExtractor<MutateRowRequest>() {
@Override
public Map<String, String> extract(MutateRowRequest mutateRowRequest) {
return ImmutableMap.of(
"table_name", mutateRowRequest.getTableName(),
"app_profile_id", mutateRowRequest.getAppProfileId());
}
})
.build(),
settings.mutateRowSettings().getRetryableCodes());
UnaryCallable<MutateRowRequest, MutateRowResponse> withStatsHeaders =
new StatsHeadersUnaryCallable<>(base);
UnaryCallable<MutateRowRequest, MutateRowResponse> withBigtableTracer =
new BigtableTracerUnaryCallable<>(withStatsHeaders);
UnaryCallable<MutateRowRequest, MutateRowResponse> retrying =
Callables.retrying(withBigtableTracer, settings.mutateRowSettings(), clientContext);
return createUserFacingUnaryCallable(
methodName, new MutateRowCallable(retrying, requestContext));
}
/**
* Creates a callable chain to handle MutatesRows RPCs. This is meant to be used for manual
* batching. The chain will:
*
* <ul>
* <li>Convert a {@link BulkMutation} into a {@link MutateRowsRequest}.
* <li>Process the response and schedule retries. At the end of each attempt, entries that have
* been applied, are filtered from the next attempt. Also, any entries that failed with a
* nontransient error, are filtered from the next attempt. This will continue until there
* are no more entries or there are no more retry attempts left.
* <li>Wrap batch failures in a {@link
* com.google.cloud.bigtable.data.v2.models.MutateRowsException}.
* <li>Add tracing & metrics.
* </ul>
*/
private UnaryCallable<BulkMutation, Void> createBulkMutateRowsCallable() {
UnaryCallable<MutateRowsRequest, Void> baseCallable = createMutateRowsBaseCallable();
UnaryCallable<MutateRowsRequest, Void> flowControlCallable = null;
if (settings.bulkMutateRowsSettings().isLatencyBasedThrottlingEnabled()) {
flowControlCallable =
new DynamicFlowControlCallable(
baseCallable,
bulkMutationFlowController,
bulkMutationDynamicFlowControlStats,
settings.bulkMutateRowsSettings().getTargetRpcLatencyMs(),
FLOW_CONTROL_ADJUSTING_INTERVAL_MS);
}
UnaryCallable<BulkMutation, Void> userFacing =
new BulkMutateRowsUserFacingCallable(
flowControlCallable != null ? flowControlCallable : baseCallable, requestContext);
SpanName spanName = getSpanName("MutateRows");
UnaryCallable<BulkMutation, Void> tracedBatcherUnaryCallable =
new TracedBatcherUnaryCallable<>(userFacing);
UnaryCallable<BulkMutation, Void> traced =
new TracedUnaryCallable<>(
tracedBatcherUnaryCallable, clientContext.getTracerFactory(), spanName);
UnaryCallable<BulkMutation, Void> withCookie = new CookiesUnaryCallable<>(traced);
return withCookie.withDefaultCallContext(clientContext.getDefaultCallContext());
}
/**
* Creates a {@link BatcherImpl} to handle {@link MutateRowsRequest.Entry} mutations. This is
* meant to be used for automatic batching with flow control.
*
* <ul>
* <li>Uses {@link MutateRowsBatchingDescriptor} to spool the {@link RowMutationEntry} mutations
* and send them out as {@link BulkMutation}.
* <li>Uses {@link #bulkMutateRowsCallable()} to perform RPC.
* <li>Batching thresholds can be configured from {@link
* EnhancedBigtableStubSettings#bulkMutateRowsSettings()}.
* <li>Process the response and schedule retries. At the end of each attempt, entries that have
* been applied, are filtered from the next attempt. Also, any entries that failed with a
* nontransient error, are filtered from the next attempt. This will continue until there
* are no more entries or there are no more retry attempts left.
* <li>Wrap batch failures in a {@link
* com.google.cloud.bigtable.data.v2.models.MutateRowsException}.
* <li>Split the responses using {@link MutateRowsBatchingDescriptor}.
* </ul>
*/
public Batcher<RowMutationEntry, Void> newMutateRowsBatcher(
@Nonnull String tableId, @Nullable GrpcCallContext ctx) {
return new BatcherImpl<>(
settings.bulkMutateRowsSettings().getBatchingDescriptor(),
bulkMutateRowsCallable,
BulkMutation.create(tableId),
settings.bulkMutateRowsSettings().getBatchingSettings(),
clientContext.getExecutor(),
bulkMutationFlowController,
MoreObjects.firstNonNull(ctx, clientContext.getDefaultCallContext()));
}
/**
* Creates a {@link BatcherImpl} to handle {@link Query#rowKey(String)}. This is meant for bulk
* read with flow control.
*
* <ul>
* <li>Uses {@link ReadRowsBatchingDescriptor} to merge the row-keys and send them out as {@link
* Query}.
* <li>Uses {@link #readRowsCallable()} to perform RPC.
* <li>Batching thresholds can be configured from {@link
* EnhancedBigtableStubSettings#bulkReadRowsSettings()}.
* <li>Schedule retries for retryable exceptions until there are no more entries or there are no
* more retry attempts left.
* <li>Split the responses using {@link ReadRowsBatchingDescriptor}.
* </ul>
*/
public Batcher<ByteString, Row> newBulkReadRowsBatcher(
@Nonnull Query query, @Nullable GrpcCallContext ctx) {
Preconditions.checkNotNull(query, "query cannot be null");
return new BatcherImpl<>(
settings.bulkReadRowsSettings().getBatchingDescriptor(),
bulkReadRowsCallable,
query,
settings.bulkReadRowsSettings().getBatchingSettings(),
clientContext.getExecutor(),
null,
MoreObjects.firstNonNull(ctx, clientContext.getDefaultCallContext()));
}
/**
* Internal helper to create the base MutateRows callable chain. The chain is responsible for
* retrying individual entry in case of error.
*
* <p>NOTE: the caller is responsible for adding tracing & metrics.
*
* @see MutateRowsRetryingCallable for more details
*/
private UnaryCallable<MutateRowsRequest, Void> createMutateRowsBaseCallable() {
ServerStreamingCallable<MutateRowsRequest, MutateRowsResponse> base =
GrpcRawCallableFactory.createServerStreamingCallable(
GrpcCallSettings.<MutateRowsRequest, MutateRowsResponse>newBuilder()
.setMethodDescriptor(BigtableGrpc.getMutateRowsMethod())
.setParamsExtractor(
new RequestParamsExtractor<MutateRowsRequest>() {
@Override
public Map<String, String> extract(MutateRowsRequest mutateRowsRequest) {
return ImmutableMap.of(
"table_name", mutateRowsRequest.getTableName(),
"app_profile_id", mutateRowsRequest.getAppProfileId());
}
})
.build(),
settings.bulkMutateRowsSettings().getRetryableCodes());
ServerStreamingCallable<MutateRowsRequest, MutateRowsResponse> callable =
new StatsHeadersServerStreamingCallable<>(base);
if (settings.bulkMutateRowsSettings().isServerInitiatedFlowControlEnabled()) {
callable = new RateLimitingServerStreamingCallable(callable);
}
// Sometimes MutateRows connections are disconnected via an RST frame. This error is transient
// and
// should be treated similar to UNAVAILABLE. However, this exception has an INTERNAL error code
// which by default is not retryable. Convert the exception so it can be retried in the client.
ServerStreamingCallable<MutateRowsRequest, MutateRowsResponse> convertException =
new ConvertExceptionCallable<>(callable);
ServerStreamingCallable<MutateRowsRequest, MutateRowsResponse> withBigtableTracer =
new BigtableTracerStreamingCallable<>(convertException);
RetryAlgorithm<Void> retryAlgorithm =
new RetryAlgorithm<>(
new ApiResultRetryAlgorithm<Void>(),
new ExponentialRetryAlgorithm(
settings.bulkMutateRowsSettings().getRetrySettings(), clientContext.getClock()));
RetryingExecutorWithContext<Void> retryingExecutor =
new ScheduledRetryingExecutor<>(retryAlgorithm, clientContext.getExecutor());
return new MutateRowsRetryingCallable(
clientContext.getDefaultCallContext(),
withBigtableTracer,
retryingExecutor,
settings.bulkMutateRowsSettings().getRetryableCodes());
}
/**
* Creates a callable chain to handle CheckAndMutateRow RPCs. THe chain will:
*
* <ul>
* <li>Convert {@link ConditionalRowMutation}s into {@link
* com.google.bigtable.v2.CheckAndMutateRowRequest}s.
* <li>Add tracing & metrics.
* </ul>
*/
private UnaryCallable<ConditionalRowMutation, Boolean> createCheckAndMutateRowCallable() {
String methodName = "CheckAndMutateRow";
UnaryCallable<CheckAndMutateRowRequest, CheckAndMutateRowResponse> base =
GrpcRawCallableFactory.createUnaryCallable(
GrpcCallSettings.<CheckAndMutateRowRequest, CheckAndMutateRowResponse>newBuilder()
.setMethodDescriptor(BigtableGrpc.getCheckAndMutateRowMethod())
.setParamsExtractor(
new RequestParamsExtractor<CheckAndMutateRowRequest>() {
@Override
public Map<String, String> extract(
CheckAndMutateRowRequest checkAndMutateRowRequest) {
return ImmutableMap.of(
"table_name", checkAndMutateRowRequest.getTableName(),
"app_profile_id", checkAndMutateRowRequest.getAppProfileId());
}
})
.build(),
settings.checkAndMutateRowSettings().getRetryableCodes());
UnaryCallable<CheckAndMutateRowRequest, CheckAndMutateRowResponse> withStatsHeaders =
new StatsHeadersUnaryCallable<>(base);
UnaryCallable<CheckAndMutateRowRequest, CheckAndMutateRowResponse> withBigtableTracer =
new BigtableTracerUnaryCallable<>(withStatsHeaders);
UnaryCallable<CheckAndMutateRowRequest, CheckAndMutateRowResponse> retrying =
Callables.retrying(withBigtableTracer, settings.checkAndMutateRowSettings(), clientContext);
return createUserFacingUnaryCallable(
methodName, new CheckAndMutateRowCallable(retrying, requestContext));
}
/**
* Creates a callable chain to handle ReadModifyWriteRow RPCs. The chain will:
*
* <ul>
* <li>Convert {@link ReadModifyWriteRow}s into {@link
* com.google.bigtable.v2.ReadModifyWriteRowRequest}s.
* <li>Convert the responses into {@link Row}.
* <li>Add tracing & metrics.
* </ul>
*/
private UnaryCallable<ReadModifyWriteRow, Row> createReadModifyWriteRowCallable() {
UnaryCallable<ReadModifyWriteRowRequest, ReadModifyWriteRowResponse> base =
GrpcRawCallableFactory.createUnaryCallable(
GrpcCallSettings.<ReadModifyWriteRowRequest, ReadModifyWriteRowResponse>newBuilder()
.setMethodDescriptor(BigtableGrpc.getReadModifyWriteRowMethod())
.setParamsExtractor(
new RequestParamsExtractor<ReadModifyWriteRowRequest>() {
@Override
public Map<String, String> extract(ReadModifyWriteRowRequest request) {
return ImmutableMap.of(
"table_name", request.getTableName(),
"app_profile_id", request.getAppProfileId());
}
})
.build(),
settings.readModifyWriteRowSettings().getRetryableCodes());
UnaryCallable<ReadModifyWriteRowRequest, ReadModifyWriteRowResponse> withStatsHeaders =
new StatsHeadersUnaryCallable<>(base);
String methodName = "ReadModifyWriteRow";
UnaryCallable<ReadModifyWriteRowRequest, ReadModifyWriteRowResponse> withBigtableTracer =
new BigtableTracerUnaryCallable<>(withStatsHeaders);
UnaryCallable<ReadModifyWriteRowRequest, ReadModifyWriteRowResponse> retrying =
Callables.retrying(
withBigtableTracer, settings.readModifyWriteRowSettings(), clientContext);
return createUserFacingUnaryCallable(
methodName, new ReadModifyWriteRowCallable(retrying, requestContext));
}
/**
* Creates a callable chain to handle streaming GenerateInitialChangeStreamPartitions RPCs. The
* chain will:
*
* <ul>
* <li>Convert a String format tableId into a {@link
* GenerateInitialChangeStreamPartitionsRequest} and dispatch the RPC.
* <li>Upon receiving the response stream, it will convert the {@link
* com.google.bigtable.v2.GenerateInitialChangeStreamPartitionsResponse}s into {@link
* RowRange}.
* </ul>
*/
private ServerStreamingCallable<String, ByteStringRange>
createGenerateInitialChangeStreamPartitionsCallable() {
ServerStreamingCallable<
GenerateInitialChangeStreamPartitionsRequest,
GenerateInitialChangeStreamPartitionsResponse>
base =
GrpcRawCallableFactory.createServerStreamingCallable(
GrpcCallSettings
.<GenerateInitialChangeStreamPartitionsRequest,
GenerateInitialChangeStreamPartitionsResponse>
newBuilder()
.setMethodDescriptor(
BigtableGrpc.getGenerateInitialChangeStreamPartitionsMethod())
.setParamsExtractor(
new RequestParamsExtractor<GenerateInitialChangeStreamPartitionsRequest>() {
@Override
public Map<String, String> extract(
GenerateInitialChangeStreamPartitionsRequest
generateInitialChangeStreamPartitionsRequest) {
return ImmutableMap.of(
"table_name",
generateInitialChangeStreamPartitionsRequest.getTableName(),
"app_profile_id",
generateInitialChangeStreamPartitionsRequest.getAppProfileId());
}
})
.build(),
settings.generateInitialChangeStreamPartitionsSettings().getRetryableCodes());
ServerStreamingCallable<String, ByteStringRange> userCallable =
new GenerateInitialChangeStreamPartitionsUserCallable(base, requestContext);
ServerStreamingCallable<String, ByteStringRange> withStatsHeaders =
new StatsHeadersServerStreamingCallable<>(userCallable);
// Sometimes GenerateInitialChangeStreamPartitions connections are disconnected via an RST
// frame. This error is transient and should be treated similar to UNAVAILABLE. However, this
// exception has an INTERNAL error code which by default is not retryable. Convert the exception
// so it can be retried in the client.
ServerStreamingCallable<String, ByteStringRange> convertException =
new ConvertExceptionCallable<>(withStatsHeaders);
// Copy idle timeout settings for watchdog.
ServerStreamingCallSettings<String, ByteStringRange> innerSettings =
ServerStreamingCallSettings.<String, ByteStringRange>newBuilder()
.setRetryableCodes(
settings.generateInitialChangeStreamPartitionsSettings().getRetryableCodes())
.setRetrySettings(
settings.generateInitialChangeStreamPartitionsSettings().getRetrySettings())
.setIdleTimeout(
settings.generateInitialChangeStreamPartitionsSettings().getIdleTimeout())
.setWaitTimeout(
settings.generateInitialChangeStreamPartitionsSettings().getWaitTimeout())
.build();
ServerStreamingCallable<String, ByteStringRange> watched =
Callables.watched(convertException, innerSettings, clientContext);
ServerStreamingCallable<String, ByteStringRange> withBigtableTracer =
new BigtableTracerStreamingCallable<>(watched);
ServerStreamingCallable<String, ByteStringRange> retrying =
Callables.retrying(withBigtableTracer, innerSettings, clientContext);
SpanName span = getSpanName("GenerateInitialChangeStreamPartitions");
ServerStreamingCallable<String, ByteStringRange> traced =
new TracedServerStreamingCallable<>(retrying, clientContext.getTracerFactory(), span);
ServerStreamingCallable<String, ByteStringRange> withCookie =
new CookiesServerStreamingCallable<>(traced);
return withCookie.withDefaultCallContext(clientContext.getDefaultCallContext());
}
/**
* Creates a callable chain to handle streaming ReadChangeStream RPCs. The chain will:
*
* <ul>
* <li>Convert a {@link ReadChangeStreamQuery} into a {@link ReadChangeStreamRequest} and
* dispatch the RPC.
* <li>Upon receiving the response stream, it will produce a stream of ChangeStreamRecordT. In
* case of mutations, it will merge the {@link ReadChangeStreamResponse.DataChange}s into
* {@link ChangeStreamMutation}. The actual change stream record implementation can be
* configured by the {@code changeStreamRecordAdapter} parameter.
* <li>Retry/resume on failure.
* <li>Add tracing & metrics.
* </ul>
*/
public <ChangeStreamRecordT>
ServerStreamingCallable<ReadChangeStreamQuery, ChangeStreamRecordT>
createReadChangeStreamCallable(
ChangeStreamRecordAdapter<ChangeStreamRecordT> changeStreamRecordAdapter) {
ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> base =
GrpcRawCallableFactory.createServerStreamingCallable(
GrpcCallSettings.<ReadChangeStreamRequest, ReadChangeStreamResponse>newBuilder()
.setMethodDescriptor(BigtableGrpc.getReadChangeStreamMethod())
.setParamsExtractor(
new RequestParamsExtractor<ReadChangeStreamRequest>() {
@Override
public Map<String, String> extract(
ReadChangeStreamRequest readChangeStreamRequest) {
return ImmutableMap.of(
"table_name", readChangeStreamRequest.getTableName(),
"app_profile_id", readChangeStreamRequest.getAppProfileId());
}
})
.build(),
settings.readChangeStreamSettings().getRetryableCodes());
ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> withStatsHeaders =
new StatsHeadersServerStreamingCallable<>(base);
// Sometimes ReadChangeStream connections are disconnected via an RST frame. This error is
// transient and should be treated similar to UNAVAILABLE. However, this exception has an
// INTERNAL error code which by default is not retryable. Convert the exception it can be
// retried in the client.
ServerStreamingCallable<ReadChangeStreamRequest, ReadChangeStreamResponse> convertException =
new ConvertExceptionCallable<>(withStatsHeaders);
ServerStreamingCallable<ReadChangeStreamRequest, ChangeStreamRecordT> merging =
new ChangeStreamRecordMergingCallable<>(convertException, changeStreamRecordAdapter);
// Copy idle timeout settings for watchdog.
ServerStreamingCallSettings<ReadChangeStreamRequest, ChangeStreamRecordT> innerSettings =
ServerStreamingCallSettings.<ReadChangeStreamRequest, ChangeStreamRecordT>newBuilder()
.setResumptionStrategy(
new ReadChangeStreamResumptionStrategy<>(changeStreamRecordAdapter))
.setRetryableCodes(settings.readChangeStreamSettings().getRetryableCodes())