| // Copyright 2017 The Bazel Authors. All rights reserved. |
| // |
| // 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 |
| // |
| // http://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.devtools.build.lib.buildeventservice; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Strings; |
| import com.google.common.base.Supplier; |
| import com.google.common.base.Suppliers; |
| import com.google.common.base.Throwables; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.authandtls.AuthAndTLSOptions; |
| import com.google.devtools.build.lib.buildeventservice.client.BuildEventServiceClient; |
| import com.google.devtools.build.lib.buildeventstream.BuildEventArtifactUploader; |
| import com.google.devtools.build.lib.buildeventstream.BuildEventProtocolOptions; |
| import com.google.devtools.build.lib.buildeventstream.BuildEventServiceAbruptExitCallback; |
| import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos.Aborted.AbortReason; |
| import com.google.devtools.build.lib.buildeventstream.BuildEventTransport; |
| import com.google.devtools.build.lib.buildeventstream.LocalFilesArtifactUploader; |
| import com.google.devtools.build.lib.buildeventstream.transports.BinaryFormatFileTransport; |
| import com.google.devtools.build.lib.buildeventstream.transports.BuildEventStreamOptions; |
| import com.google.devtools.build.lib.buildeventstream.transports.JsonFormatFileTransport; |
| import com.google.devtools.build.lib.buildeventstream.transports.TextFormatFileTransport; |
| import com.google.devtools.build.lib.events.Event; |
| import com.google.devtools.build.lib.events.EventHandler; |
| import com.google.devtools.build.lib.runtime.BlazeModule; |
| import com.google.devtools.build.lib.runtime.BuildEventStreamer; |
| import com.google.devtools.build.lib.runtime.CommandEnvironment; |
| import com.google.devtools.build.lib.runtime.CountingArtifactGroupNamer; |
| import com.google.devtools.build.lib.runtime.SynchronizedOutputStream; |
| import com.google.devtools.build.lib.util.AbruptExitException; |
| import com.google.devtools.build.lib.util.ExitCode; |
| import com.google.devtools.build.lib.util.LoggingUtil; |
| import com.google.devtools.build.lib.util.io.OutErr; |
| import com.google.devtools.common.options.OptionsBase; |
| import com.google.devtools.common.options.OptionsParsingException; |
| import com.google.devtools.common.options.OptionsParsingResult; |
| import java.io.BufferedOutputStream; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Paths; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import javax.annotation.Nullable; |
| |
| /** |
| * Module responsible for the Build Event Transport (BEP) and Build Event Service (BES) |
| * functionality. |
| */ |
| public abstract class BuildEventServiceModule<BESOptionsT extends BuildEventServiceOptions> |
| extends BlazeModule { |
| |
| private static final Logger logger = Logger.getLogger(BuildEventServiceModule.class.getName()); |
| |
| private OutErr outErr; |
| private BuildEventStreamer streamer; |
| private BuildEventProtocolOptions bepOptions; |
| private AuthAndTLSOptions authTlsOptions; |
| private BuildEventStreamOptions besStreamOptions; |
| private ImmutableSet<BuildEventTransport> bepTransports; |
| private String invocationId; |
| private String buildRequestId; |
| private EventHandler cmdLineReporter; |
| private final AtomicReference<AbruptExitException> pendingAbruptExitException = |
| new AtomicReference<>(); |
| |
| protected BESOptionsT besOptions; |
| |
| /** Callback used by the transports to report errors and possible exit abruptly. */ |
| protected BuildEventServiceAbruptExitCallback getAbruptExitCallback( |
| ModuleEnvironment moduleEnvironment) { |
| return (e) -> { |
| // Request exiting early for the first abrupt exception we find. |
| if (this.pendingAbruptExitException.compareAndSet(null, e)) { |
| moduleEnvironment.exit(pendingAbruptExitException.get()); |
| } |
| }; |
| } |
| |
| protected void reportCommandLineError(EventHandler commandLineReporter, Exception exception) { |
| // Don't hide unchecked exceptions as part of the error reporting. |
| Throwables.throwIfUnchecked(exception); |
| commandLineReporter.handle(Event.error(exception.getMessage())); |
| } |
| |
| /** Report errors in the command line and possibly fail the build. */ |
| private void reportError( |
| EventHandler commandLineReporter, |
| ModuleEnvironment moduleEnvironment, |
| String msg, |
| Exception exception, |
| ExitCode exitCode) { |
| // Don't hide unchecked exceptions as part of the error reporting. |
| Throwables.throwIfUnchecked(exception); |
| |
| logger.log(Level.SEVERE, msg, exception); |
| AbruptExitException abruptException = new AbruptExitException(msg, exitCode, exception); |
| reportCommandLineError(commandLineReporter, exception); |
| moduleEnvironment.exit(abruptException); |
| } |
| |
| @Override |
| public Iterable<Class<? extends OptionsBase>> getCommonCommandOptions() { |
| return ImmutableList.of( |
| optionsClass(), |
| AuthAndTLSOptions.class, |
| BuildEventStreamOptions.class, |
| BuildEventProtocolOptions.class); |
| } |
| |
| @Override |
| public void beforeCommand(CommandEnvironment cmdEnv) { |
| this.invocationId = cmdEnv.getCommandId().toString(); |
| this.buildRequestId = cmdEnv.getBuildRequestId(); |
| this.cmdLineReporter = cmdEnv.getReporter(); |
| // Reset to null in case afterCommand was not called. |
| // TODO(lpino): Remove this statement once {@link BlazeModule#afterCommmand()} is guaranteed |
| // to be executed for every invocation. |
| this.outErr = null; |
| |
| OptionsParsingResult parsingResult = cmdEnv.getOptions(); |
| this.besOptions = Preconditions.checkNotNull(parsingResult.getOptions(optionsClass())); |
| this.bepOptions = |
| Preconditions.checkNotNull(parsingResult.getOptions(BuildEventProtocolOptions.class)); |
| this.authTlsOptions = |
| Preconditions.checkNotNull(parsingResult.getOptions(AuthAndTLSOptions.class)); |
| this.besStreamOptions = |
| Preconditions.checkNotNull(parsingResult.getOptions(BuildEventStreamOptions.class)); |
| |
| CountingArtifactGroupNamer artifactGroupNamer = new CountingArtifactGroupNamer(); |
| Supplier<BuildEventArtifactUploader> uploaderSupplier = |
| Suppliers.memoize( |
| () -> |
| cmdEnv |
| .getRuntime() |
| .getBuildEventArtifactUploaderFactoryMap() |
| .select(bepOptions.buildEventUploadStrategy) |
| .create(cmdEnv)); |
| |
| if (!whitelistedCommands(besOptions).contains(cmdEnv.getCommandName())) { |
| // Exit early if the running command isn't supported. |
| return; |
| } |
| |
| bepTransports = createBepTransports(cmdEnv, uploaderSupplier, artifactGroupNamer); |
| if (bepTransports.isEmpty()) { |
| // Exit early if there are no transports to stream to. |
| return; |
| } |
| |
| streamer = |
| new BuildEventStreamer.Builder() |
| .buildEventTransports(bepTransports) |
| .cmdLineReporter(cmdEnv.getReporter()) |
| .besStreamOptions(besStreamOptions) |
| .artifactGroupNamer(artifactGroupNamer) |
| .build(); |
| |
| cmdEnv.getReporter().addHandler(streamer); |
| cmdEnv.getEventBus().register(streamer); |
| registerOutAndErrOutputStreams(); |
| } |
| |
| private void registerOutAndErrOutputStreams() { |
| int bufferSize = besOptions.besOuterrBufferSize; |
| int chunkSize = besOptions.besOuterrChunkSize; |
| final SynchronizedOutputStream out = new SynchronizedOutputStream(bufferSize, chunkSize); |
| final SynchronizedOutputStream err = new SynchronizedOutputStream(bufferSize, chunkSize); |
| |
| this.outErr = OutErr.create(out, err); |
| streamer.registerOutErrProvider( |
| new BuildEventStreamer.OutErrProvider() { |
| @Override |
| public Iterable<String> getOut() { |
| return out.readAndReset(); |
| } |
| |
| @Override |
| public Iterable<String> getErr() { |
| return err.readAndReset(); |
| } |
| }); |
| err.registerStreamer(streamer); |
| out.registerStreamer(streamer); |
| } |
| |
| @Override |
| public OutErr getOutputListener() { |
| return outErr; |
| } |
| |
| @Override |
| public void blazeShutdownOnCrash() { |
| if (streamer != null) { |
| logger.warning("Attempting to close BES streamer on crash"); |
| streamer.close(AbortReason.INTERNAL); |
| } |
| } |
| |
| @Override |
| public void afterCommand() { |
| AbruptExitException e = pendingAbruptExitException.getAndSet(null); |
| if (e != null) { |
| logger.severe(e.getMessage()); |
| reportCommandLineError(cmdLineReporter, e); |
| } |
| |
| if (streamer != null) { |
| if (!Strings.isNullOrEmpty(besOptions.besBackend)) { |
| constructAndMaybeReportInvocationIdUrl(); |
| } |
| |
| if (!streamer.isClosed()) { |
| // This should not occur, but close with an internal error if a {@link BuildEventStreamer} |
| // bug manifests as an unclosed streamer. |
| logger.warning("Attempting to close BES streamer after command"); |
| String msg = "BES was not properly closed"; |
| LoggingUtil.logToRemote(Level.WARNING, msg, new IllegalStateException(msg)); |
| streamer.close(AbortReason.INTERNAL); |
| } |
| this.streamer = null; |
| } |
| |
| if (!besStreamOptions.keepBackendConnections) { |
| clearBesClient(); |
| } |
| this.outErr = null; |
| this.bepTransports = null; |
| this.invocationId = null; |
| this.cmdLineReporter = null; |
| } |
| |
| private void constructAndMaybeReportInvocationIdUrl() { |
| if (!getInvocationIdPrefix().isEmpty()) { |
| cmdLineReporter.handle( |
| Event.info("Streaming build results to: " + getInvocationIdPrefix() + invocationId)); |
| } |
| } |
| |
| private void constructAndMaybeReportBuildRequestIdUrl() { |
| if (!getBuildRequestIdPrefix().isEmpty()) { |
| cmdLineReporter.handle( |
| Event.info( |
| "See " |
| + getBuildRequestIdPrefix() |
| + buildRequestId |
| + " for more information about your request.")); |
| } |
| } |
| |
| private void constructAndReportIds() { |
| cmdLineReporter.handle( |
| Event.info( |
| String.format( |
| "Streaming Build Event Protocol to '%s' with build_request_id: '%s'" |
| + " and invocation_id: '%s'", |
| besOptions.besBackend, buildRequestId, invocationId))); |
| } |
| |
| @Nullable |
| private BuildEventServiceTransport createBesTransport( |
| CommandEnvironment cmdEnv, |
| Supplier<BuildEventArtifactUploader> uploaderSupplier, |
| CountingArtifactGroupNamer artifactGroupNamer) { |
| if (Strings.isNullOrEmpty(besOptions.besBackend)) { |
| clearBesClient(); |
| return null; |
| } |
| |
| constructAndReportIds(); |
| |
| final BuildEventServiceClient besClient; |
| try { |
| besClient = getBesClient(besOptions, authTlsOptions); |
| } catch (IOException | OptionsParsingException e) { |
| reportError( |
| cmdEnv.getReporter(), |
| cmdEnv.getBlazeModuleEnvironment(), |
| e.getMessage(), |
| e, |
| ExitCode.LOCAL_ENVIRONMENTAL_ERROR); |
| return null; |
| } |
| |
| BuildEventServiceProtoUtil besProtoUtil = |
| new BuildEventServiceProtoUtil.Builder() |
| .buildRequestId(buildRequestId) |
| .invocationId(invocationId) |
| .projectId(besOptions.projectId) |
| .commandName(cmdEnv.getCommandName()) |
| .keywords(getBesKeywords(besOptions, cmdEnv.getRuntime().getStartupOptionsProvider())) |
| .build(); |
| |
| return new BuildEventServiceTransport.Builder() |
| .localFileUploader(uploaderSupplier.get()) |
| .besClient(besClient) |
| .besOptions(besOptions) |
| .besProtoUtil(besProtoUtil) |
| .artifactGroupNamer(artifactGroupNamer) |
| .bepOptions(bepOptions) |
| .clock(cmdEnv.getRuntime().getClock()) |
| .abruptExitCallback(getAbruptExitCallback(cmdEnv.getBlazeModuleEnvironment())) |
| .eventBus(cmdEnv.getEventBus()) |
| .build(); |
| } |
| |
| private ImmutableSet<BuildEventTransport> createBepTransports( |
| CommandEnvironment cmdEnv, |
| Supplier<BuildEventArtifactUploader> uploaderSupplier, |
| CountingArtifactGroupNamer artifactGroupNamer) { |
| ImmutableSet.Builder<BuildEventTransport> bepTransportsBuilder = new ImmutableSet.Builder<>(); |
| |
| if (!Strings.isNullOrEmpty(besStreamOptions.buildEventTextFile)) { |
| try { |
| BufferedOutputStream bepTextOutputStream = |
| new BufferedOutputStream( |
| Files.newOutputStream(Paths.get(besStreamOptions.buildEventTextFile))); |
| |
| BuildEventArtifactUploader localFileUploader = |
| besStreamOptions.buildEventTextFilePathConversion |
| ? uploaderSupplier.get() |
| : new LocalFilesArtifactUploader(); |
| bepTransportsBuilder.add( |
| new TextFormatFileTransport( |
| bepTextOutputStream, |
| bepOptions, |
| localFileUploader, |
| getAbruptExitCallback(cmdEnv.getBlazeModuleEnvironment()), |
| artifactGroupNamer)); |
| } catch (IOException exception) { |
| // TODO(b/125216340): Consider making this a warning instead of an error once the |
| // associated bug has been resolved. |
| reportError( |
| cmdEnv.getReporter(), |
| cmdEnv.getBlazeModuleEnvironment(), |
| "Unable to write to '" |
| + besStreamOptions.buildEventTextFile |
| + "'. Omitting --build_event_text_file.", |
| exception, |
| ExitCode.LOCAL_ENVIRONMENTAL_ERROR); |
| } |
| } |
| |
| if (!Strings.isNullOrEmpty(besStreamOptions.buildEventBinaryFile)) { |
| try { |
| BufferedOutputStream bepBinaryOutputStream = |
| new BufferedOutputStream( |
| Files.newOutputStream(Paths.get(besStreamOptions.buildEventBinaryFile))); |
| |
| BuildEventArtifactUploader localFileUploader = |
| besStreamOptions.buildEventBinaryFilePathConversion |
| ? uploaderSupplier.get() |
| : new LocalFilesArtifactUploader(); |
| bepTransportsBuilder.add( |
| new BinaryFormatFileTransport( |
| bepBinaryOutputStream, |
| bepOptions, |
| localFileUploader, |
| getAbruptExitCallback(cmdEnv.getBlazeModuleEnvironment()), |
| artifactGroupNamer)); |
| } catch (IOException exception) { |
| // TODO(b/125216340): Consider making this a warning instead of an error once the |
| // associated bug has been resolved. |
| reportError( |
| cmdEnv.getReporter(), |
| cmdEnv.getBlazeModuleEnvironment(), |
| "Unable to write to '" |
| + besStreamOptions.buildEventBinaryFile |
| + "'. Omitting --build_event_binary_file.", |
| exception, |
| ExitCode.LOCAL_ENVIRONMENTAL_ERROR); |
| } |
| } |
| |
| if (!Strings.isNullOrEmpty(besStreamOptions.buildEventJsonFile)) { |
| try { |
| BufferedOutputStream bepJsonOutputStream = |
| new BufferedOutputStream( |
| Files.newOutputStream(Paths.get(besStreamOptions.buildEventJsonFile))); |
| BuildEventArtifactUploader localFileUploader = |
| besStreamOptions.buildEventJsonFilePathConversion |
| ? uploaderSupplier.get() |
| : new LocalFilesArtifactUploader(); |
| bepTransportsBuilder.add( |
| new JsonFormatFileTransport( |
| bepJsonOutputStream, |
| bepOptions, |
| localFileUploader, |
| getAbruptExitCallback(cmdEnv.getBlazeModuleEnvironment()), |
| artifactGroupNamer)); |
| } catch (IOException exception) { |
| // TODO(b/125216340): Consider making this a warning instead of an error once the |
| // associated bug has been resolved. |
| reportError( |
| cmdEnv.getReporter(), |
| cmdEnv.getBlazeModuleEnvironment(), |
| "Unable to write to '" |
| + besStreamOptions.buildEventJsonFile |
| + "'. Omitting --build_event_json_file.", |
| exception, |
| ExitCode.LOCAL_ENVIRONMENTAL_ERROR); |
| } |
| } |
| |
| BuildEventServiceTransport besTransport = |
| createBesTransport(cmdEnv, uploaderSupplier, artifactGroupNamer); |
| if (besTransport != null) { |
| constructAndMaybeReportInvocationIdUrl(); |
| constructAndMaybeReportBuildRequestIdUrl(); |
| bepTransportsBuilder.add(besTransport); |
| } |
| |
| return bepTransportsBuilder.build(); |
| } |
| |
| protected abstract Class<BESOptionsT> optionsClass(); |
| |
| protected abstract BuildEventServiceClient getBesClient( |
| BESOptionsT besOptions, AuthAndTLSOptions authAndTLSOptions) |
| throws IOException, OptionsParsingException; |
| |
| protected abstract void clearBesClient(); |
| |
| protected abstract Set<String> whitelistedCommands(BESOptionsT besOptions); |
| |
| protected Set<String> getBesKeywords( |
| BESOptionsT besOptions, @Nullable OptionsParsingResult startupOptionsProvider) { |
| return besOptions.besKeywords.stream() |
| .map(keyword -> "user_keyword=" + keyword) |
| .collect(ImmutableSet.toImmutableSet()); |
| } |
| |
| /** A prefix used when printing the invocation ID in the command line */ |
| protected abstract String getInvocationIdPrefix(); |
| |
| /** A prefix used when printing the build request ID in the command line */ |
| protected abstract String getBuildRequestIdPrefix(); |
| |
| // TODO(b/115961387): This method shouldn't exist. It only does because some tests are relying on |
| // the transport creation logic of this module directly. |
| @VisibleForTesting |
| ImmutableSet<BuildEventTransport> getBepTransports() { |
| return bepTransports; |
| } |
| } |