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// Copyright 2015 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.sandbox;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.ActionContext;
import com.google.devtools.build.lib.buildtool.BuildRequest;
import com.google.devtools.build.lib.exec.ActionContextProvider;
import com.google.devtools.build.lib.exec.ExecutionOptions;
import com.google.devtools.build.lib.exec.local.LocalExecutionOptions;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.vfs.Path;
import java.io.IOException;
/**
* Provides the sandboxed spawn strategy.
*/
final class SandboxActionContextProvider extends ActionContextProvider {
private final ImmutableList<ActionContext> contexts;
private SandboxActionContextProvider(ImmutableList<ActionContext> contexts) {
this.contexts = contexts;
}
public static SandboxActionContextProvider create(
CommandEnvironment cmdEnv, BuildRequest buildRequest, Path sandboxBase) throws IOException {
ImmutableList.Builder<ActionContext> contexts = ImmutableList.builder();
int timeoutGraceSeconds =
buildRequest.getOptions(LocalExecutionOptions.class).localSigkillGraceSeconds;
boolean verboseFailures = buildRequest.getOptions(ExecutionOptions.class).verboseFailures;
String productName = cmdEnv.getRuntime().getProductName();
// This works on most platforms, but isn't the best choice, so we put it first and let later
// platform-specific sandboxing strategies become the default.
if (ProcessWrapperSandboxedSpawnRunner.isSupported(cmdEnv)) {
contexts.add(
new ProcessWrapperSandboxedStrategy(
cmdEnv,
buildRequest,
sandboxBase,
verboseFailures,
productName,
timeoutGraceSeconds));
}
// This is the preferred sandboxing strategy on Linux.
if (LinuxSandboxedSpawnRunner.isSupported(cmdEnv)) {
contexts.add(
LinuxSandboxedStrategy.create(
cmdEnv, buildRequest, sandboxBase, verboseFailures, timeoutGraceSeconds));
}
// This is the preferred sandboxing strategy on macOS.
if (DarwinSandboxedSpawnRunner.isSupported(cmdEnv)) {
contexts.add(
new DarwinSandboxedStrategy(
cmdEnv,
buildRequest,
sandboxBase,
verboseFailures,
productName,
timeoutGraceSeconds));
}
return new SandboxActionContextProvider(contexts.build());
}
@Override
public Iterable<? extends ActionContext> getActionContexts() {
return contexts;
}
}
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