com.google.devtools.build.lib.sandbox.SandboxActionContextConsumer.java Source code

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Here is the source code for com.google.devtools.build.lib.sandbox.SandboxActionContextConsumer.java

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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.ImmutableMap;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.Multimap;
import com.google.devtools.build.lib.actions.Executor.ActionContext;
import com.google.devtools.build.lib.actions.SpawnActionContext;
import com.google.devtools.build.lib.exec.ActionContextConsumer;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.util.OS;

/**
 * {@link ActionContextConsumer} that requests the action contexts necessary for sandboxed
 * execution.
 */
final class SandboxActionContextConsumer implements ActionContextConsumer {

    private final ImmutableMultimap<Class<? extends ActionContext>, String> contexts;
    private final ImmutableMap<String, String> spawnContexts;

    public SandboxActionContextConsumer(CommandEnvironment env) {
        ImmutableMultimap.Builder<Class<? extends ActionContext>, String> contexts = ImmutableMultimap.builder();
        ImmutableMap.Builder<String, String> spawnContexts = ImmutableMap.builder();

        // This makes the "sandboxed" strategy available via --spawn_strategy=sandboxed,
        // but it is not necessarily the default.
        if ((OS.getCurrent() == OS.LINUX && LinuxSandboxedStrategy.isSupported(env))
                || (OS.getCurrent() == OS.DARWIN && DarwinSandboxRunner.isSupported())) {
            contexts.put(SpawnActionContext.class, "sandboxed");

            // This makes the "sandboxed" strategy the default Spawn strategy, unless it is
            // overridden by a later BlazeModule.
            spawnContexts.put("", "sandboxed");
        }

        this.contexts = contexts.build();
        this.spawnContexts = spawnContexts.build();
    }

    @Override
    public ImmutableMap<String, String> getSpawnActionContexts() {
        return spawnContexts;
    }

    @Override
    public Multimap<Class<? extends ActionContext>, String> getActionContexts() {
        return contexts;
    }
}