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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.Lists;
import com.google.common.collect.Maps;
import com.google.devtools.common.options.Converter;
import com.google.devtools.common.options.Option;
import com.google.devtools.common.options.OptionsBase;
import com.google.devtools.common.options.OptionsParsingException;
import java.util.List;
/** Options for sandboxed execution. */
public class SandboxOptions extends OptionsBase {
/**
* A converter for customized path mounting pair from the parameter list of a bazel command
* invocation. Pairs are expected to have the form 'source:target'.
*/
public static final class MountPairConverter
implements Converter<ImmutableMap.Entry<String, String>> {
@Override
public ImmutableMap.Entry<String, String> convert(String input) throws OptionsParsingException {
List<String> paths = Lists.newArrayList();
for (String path : input.split("(?<!\\\\):")) { // Split on ':' but not on '\:'
if (path != null && !path.trim().isEmpty()) {
paths.add(path.replace("\\:", ":"));
} else {
throw new OptionsParsingException(
"Input "
+ input
+ " contains one or more empty paths. "
+ "Input must be a single path to mount inside the sandbox or "
+ "a mounting pair in the form of 'source:target'");
}
}
if (paths.size() < 1 || paths.size() > 2) {
throw new OptionsParsingException(
"Input must be a single path to mount inside the sandbox or "
+ "a mounting pair in the form of 'source:target'");
}
return paths.size() == 1
? Maps.immutableEntry(paths.get(0), paths.get(0))
: Maps.immutableEntry(paths.get(0), paths.get(1));
}
@Override
public String getTypeDescription() {
return "a single path or a 'source:target' pair";
}
}
@Option(
name = "ignore_unsupported_sandboxing",
defaultValue = "false",
category = "strategy",
help = "Do not print a warning when sandboxed execution is not supported on this system."
)
public boolean ignoreUnsupportedSandboxing;
@Option(
name = "sandbox_debug",
defaultValue = "false",
category = "strategy",
help =
"Let the sandbox print debug information on execution. This might help developers of "
+ "Bazel or Skylark rules with debugging failures due to missing input files, etc."
)
public boolean sandboxDebug;
@Option(
name = "sandbox_fake_hostname",
defaultValue = "false",
category = "strategy",
help = "Change the current hostname to 'localhost' for sandboxed actions."
)
public boolean sandboxFakeHostname;
@Option(
name = "sandbox_block_path",
allowMultiple = true,
defaultValue = "",
category = "config",
help = "For sandboxed actions, disallow access to this path."
)
public List<String> sandboxBlockPath;
@Option(
name = "sandbox_tmpfs_path",
allowMultiple = true,
defaultValue = "",
category = "config",
help = "For sandboxed actions, mount an empty, writable directory at this path"
+ " (if supported by the sandboxing implementation, ignored otherwise)."
)
public List<String> sandboxTmpfsPath;
@Option(
name = "sandbox_add_mount_pair",
allowMultiple = true,
converter = MountPairConverter.class,
defaultValue = "",
category = "config",
help = "Add additional path pair to mount in sandbox."
)
public List<ImmutableMap.Entry<String, String>> sandboxAdditionalMounts;
}
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