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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.ActionContextProvider;
import com.google.devtools.build.lib.actions.Executor.ActionContext;
import com.google.devtools.build.lib.buildtool.BuildRequest;
import com.google.devtools.build.lib.events.Event;
import com.google.devtools.build.lib.exec.ExecutionOptions;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.util.OS;
import java.io.IOException;
/**
* Provides the sandboxed spawn strategy.
*/
final class SandboxActionContextProvider extends ActionContextProvider {
public static final String SANDBOX_NOT_SUPPORTED_MESSAGE =
"Sandboxed execution is not supported on your system and thus hermeticity of actions cannot "
+ "be guaranteed. See http://bazel.build/docs/bazel-user-manual.html#sandboxing for more "
+ "information. You can turn off this warning via --ignore_unsupported_sandboxing";
@SuppressWarnings("unchecked")
private final ImmutableList<ActionContext> contexts;
private SandboxActionContextProvider(ImmutableList<ActionContext> contexts) {
this.contexts = contexts;
}
public static SandboxActionContextProvider create(
CommandEnvironment env, BuildRequest buildRequest) throws IOException {
boolean verboseFailures = buildRequest.getOptions(ExecutionOptions.class).verboseFailures;
ImmutableList.Builder<ActionContext> contexts = ImmutableList.builder();
switch (OS.getCurrent()) {
case LINUX:
if (LinuxSandboxedStrategy.isSupported(env)) {
boolean fullySupported = LinuxSandboxRunner.isSupported(env);
if (!fullySupported
&& !buildRequest.getOptions(SandboxOptions.class).ignoreUnsupportedSandboxing) {
env.getReporter().handle(Event.warn(SANDBOX_NOT_SUPPORTED_MESSAGE));
}
contexts.add(
new LinuxSandboxedStrategy(
buildRequest,
env.getDirectories(),
verboseFailures,
env.getRuntime().getProductName(),
fullySupported));
}
break;
case DARWIN:
if (DarwinSandboxRunner.isSupported()) {
contexts.add(
DarwinSandboxedStrategy.create(
buildRequest,
env.getClientEnv(),
env.getDirectories(),
verboseFailures,
env.getRuntime().getProductName()));
} else {
if (!buildRequest.getOptions(SandboxOptions.class).ignoreUnsupportedSandboxing) {
env.getReporter().handle(Event.warn(SANDBOX_NOT_SUPPORTED_MESSAGE));
}
}
break;
default:
// No sandboxing available.
}
return new SandboxActionContextProvider(contexts.build());
}
@Override
public Iterable<ActionContext> getActionContexts() {
return contexts;
}
}
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