| // Copyright 2014 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.bazel.rules; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.analysis.actions.FileWriteActionContext; |
| import com.google.devtools.build.lib.analysis.actions.TemplateExpansionContext; |
| import com.google.devtools.build.lib.buildtool.BuildRequest; |
| import com.google.devtools.build.lib.exec.ExecutionOptions; |
| import com.google.devtools.build.lib.exec.ModuleActionContextRegistry; |
| import com.google.devtools.build.lib.exec.SpawnCache; |
| import com.google.devtools.build.lib.exec.SpawnStrategyRegistry; |
| import com.google.devtools.build.lib.remote.RemoteModule; |
| import com.google.devtools.build.lib.remote.options.RemoteOptions; |
| import com.google.devtools.build.lib.rules.cpp.CppIncludeExtractionContext; |
| import com.google.devtools.build.lib.rules.cpp.CppIncludeScanningContext; |
| import com.google.devtools.build.lib.runtime.BlazeModule; |
| import com.google.devtools.build.lib.runtime.Command; |
| import com.google.devtools.build.lib.runtime.CommandEnvironment; |
| import com.google.devtools.build.lib.util.OS; |
| import com.google.devtools.build.lib.util.RegexFilter; |
| import com.google.devtools.common.options.OptionsBase; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** Module which registers the strategy options for Bazel. */ |
| public class BazelStrategyModule extends BlazeModule { |
| @Override |
| public Iterable<Class<? extends OptionsBase>> getCommandOptions(Command command) { |
| return "build".equals(command.name()) |
| ? ImmutableList.of(ExecutionOptions.class, RemoteOptions.class) |
| : ImmutableList.of(); |
| } |
| |
| @Override |
| public void registerActionContexts( |
| ModuleActionContextRegistry.Builder registryBuilder, |
| CommandEnvironment env, |
| BuildRequest buildRequest) { |
| registryBuilder |
| .restrictTo(CppIncludeExtractionContext.class, "") |
| .restrictTo(CppIncludeScanningContext.class, "") |
| .restrictTo(FileWriteActionContext.class, "") |
| .restrictTo(TemplateExpansionContext.class, "") |
| .restrictTo(SpawnCache.class, ""); |
| } |
| |
| @Override |
| public void registerSpawnStrategies( |
| SpawnStrategyRegistry.Builder registryBuilder, CommandEnvironment env) { |
| ExecutionOptions options = env.getOptions().getOptions(ExecutionOptions.class); |
| RemoteOptions remoteOptions = env.getOptions().getOptions(RemoteOptions.class); |
| |
| List<String> spawnStrategies = new ArrayList<>(options.spawnStrategy); |
| |
| if (spawnStrategies.isEmpty()) { |
| if (RemoteModule.shouldEnableRemoteExecution(remoteOptions)) { |
| spawnStrategies.add("remote"); |
| } |
| spawnStrategies.add("worker"); |
| // Sandboxing is not yet available on Windows. |
| if (OS.getCurrent() != OS.WINDOWS) { |
| spawnStrategies.add("sandboxed"); |
| } |
| spawnStrategies.add("local"); |
| } |
| registryBuilder.setDefaultStrategies(spawnStrategies); |
| |
| // By adding this filter before the ones derived from --strategy the latter can override the |
| // former. |
| registryBuilder.addMnemonicFilter("Genrule", options.genruleStrategy); |
| |
| for (Map.Entry<String, List<String>> strategy : options.strategy) { |
| registryBuilder.addMnemonicFilter(strategy.getKey(), strategy.getValue()); |
| } |
| |
| for (Map.Entry<RegexFilter, List<String>> entry : options.strategyByRegexp) { |
| registryBuilder.addDescriptionFilter(entry.getKey(), entry.getValue()); |
| } |
| } |
| } |