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// 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.sandbox;
import com.google.devtools.build.lib.exec.AbstractSpawnStrategy;
import com.google.devtools.build.lib.exec.ExecutionOptions;
import com.google.devtools.build.lib.exec.SpawnRunner;
import com.google.devtools.build.lib.exec.TreeDeleter;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.vfs.Path;
import java.io.IOException;
import java.time.Duration;
/** Strategy that uses sandboxing to execute a process. */
public final class LinuxSandboxedStrategy extends AbstractSpawnStrategy {
LinuxSandboxedStrategy(
Path execRoot, SpawnRunner spawnRunner, ExecutionOptions executionOptions) {
super(execRoot, spawnRunner, executionOptions);
}
@Override
public String toString() {
return "linux-sandbox";
}
/**
* Creates a sandboxed spawn runner that uses the {@code linux-sandbox} tool.
*
* @param helpers common tools and state across all spawns during sandboxed execution
* @param cmdEnv the command environment to use
* @param sandboxBase path to the sandbox base directory
* @param timeoutKillDelay additional grace period before killing timing out commands
*/
static LinuxSandboxedSpawnRunner create(
SandboxHelpers helpers,
CommandEnvironment cmdEnv,
Path sandboxBase,
Duration timeoutKillDelay,
TreeDeleter treeDeleter)
throws IOException {
Path inaccessibleHelperFile = LinuxSandboxUtil.getInaccessibleHelperFile(sandboxBase);
Path inaccessibleHelperDir = LinuxSandboxUtil.getInaccessibleHelperDir(sandboxBase);
return new LinuxSandboxedSpawnRunner(
helpers,
cmdEnv,
sandboxBase,
inaccessibleHelperFile,
inaccessibleHelperDir,
timeoutKillDelay,
treeDeleter);
}
}