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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.runtime;
import static com.google.common.base.Strings.isNullOrEmpty;
import com.google.devtools.build.lib.profiler.MemoryProfiler.MemoryProfileStableHeapParameters;
import com.google.devtools.build.lib.runtime.CommandLineEvent.ToolCommandLineEvent;
import com.google.devtools.build.lib.util.OptionsUtils;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.common.options.Converter;
import com.google.devtools.common.options.Converters;
import com.google.devtools.common.options.Option;
import com.google.devtools.common.options.OptionDocumentationCategory;
import com.google.devtools.common.options.OptionEffectTag;
import com.google.devtools.common.options.OptionMetadataTag;
import com.google.devtools.common.options.OptionsBase;
import com.google.devtools.common.options.OptionsParsingException;
import java.util.List;
import java.util.UUID;
import java.util.logging.Level;
/**
* Options common to all commands.
*/
public class CommonCommandOptions extends OptionsBase {
/**
* To create a new incompatible change, see the javadoc for {@link
* AllIncompatibleChangesExpansion}.
*/
@Option(
name = "all_incompatible_changes",
defaultValue = "null",
documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
effectTags = {OptionEffectTag.UNKNOWN},
metadataTags = {OptionMetadataTag.INCOMPATIBLE_CHANGE},
expansionFunction = AllIncompatibleChangesExpansion.class,
help =
"Enables all options of the form --incompatible_*. Use this option to find places where "
+ "your build may break in the future due to deprecations or other changes.")
public Void allIncompatibleChanges;
@Option(
name = "config",
defaultValue = "",
documentationCategory = OptionDocumentationCategory.UNCATEGORIZED,
effectTags = {OptionEffectTag.UNKNOWN},
allowMultiple = true,
help =
"Selects additional config sections from the rc files; for every <command>, it "
+ "also pulls in the options from <command>:<config> if such a section exists; "
+ "if this section doesn't exist in any .rc file, Blaze fails with an error. "
+ "The config sections and flag combinations they are equivalent to are "
+ "located in the tools/*.blazerc config files."
)
public List<String> configs;
@Option(
name = "logging",
defaultValue = "3", // Level.INFO
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS},
converter = Converters.LogLevelConverter.class,
help = "The logging level."
)
public Level verbosity;
@Option(
name = "client_cwd",
defaultValue = "",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
metadataTags = {OptionMetadataTag.HIDDEN},
effectTags = {OptionEffectTag.CHANGES_INPUTS},
converter = OptionsUtils.PathFragmentConverter.class,
help = "A system-generated parameter which specifies the client's working directory"
)
public PathFragment clientCwd;
@Option(
name = "announce_rc",
defaultValue = "false",
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS},
help = "Whether to announce rc options."
)
public boolean announceRcOptions;
@Option(
name = "always_profile_slow_operations",
defaultValue = "true",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_INTERNAL_CONFIGURATION},
help = "Whether profiling slow operations is always turned on"
)
public boolean alwaysProfileSlowOperations;
/** Converter for UUID. Accepts values as specified by {@link UUID#fromString(String)}. */
public static class UUIDConverter implements Converter<UUID> {
@Override
public UUID convert(String input) throws OptionsParsingException {
if (isNullOrEmpty(input)) {
return null;
}
try {
return UUID.fromString(input);
} catch (IllegalArgumentException e) {
throw new OptionsParsingException(
String.format("Value '%s' is not a value UUID.", input), e);
}
}
@Override
public String getTypeDescription() {
return "a UUID";
}
}
/**
* Converter for options (--build_request_id) that accept prefixed UUIDs. Since we do not care
* about the structure of this value after validation, we store it as a string.
*/
public static class PrefixedUUIDConverter implements Converter<String> {
@Override
public String convert(String input) throws OptionsParsingException {
if (isNullOrEmpty(input)) {
return null;
}
// UUIDs that are accepted by UUID#fromString have 36 characters. Interpret the last 36
// characters as an UUID and the rest as a prefix. We do not check anything about the contents
// of the prefix.
try {
int uuidStartIndex = input.length() - 36;
UUID.fromString(input.substring(uuidStartIndex));
} catch (IllegalArgumentException | IndexOutOfBoundsException e) {
throw new OptionsParsingException(
String.format("Value '%s' does not end in a valid UUID.", input), e);
}
return input;
}
@Override
public String getTypeDescription() {
return "An optionally prefixed UUID. The last 36 characters will be verified as a UUID.";
}
}
// Command ID and build request ID can be set either by flag or environment variable. In most
// cases, the internally generated ids should be sufficient, but we allow these to be set
// externally if required. Option wins over environment variable, if both are set.
// TODO(b/67895628) Stop reading ids from the environment after the compatibility window has
// passed.
@Option(
name = "invocation_id",
defaultValue = "",
converter = UUIDConverter.class,
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.BAZEL_MONITORING, OptionEffectTag.BAZEL_INTERNAL_CONFIGURATION},
metadataTags = {OptionMetadataTag.HIDDEN},
help = "Unique identifier for the command being run."
)
public UUID invocationId;
@Option(
name = "build_request_id",
defaultValue = "",
converter = PrefixedUUIDConverter.class,
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.BAZEL_MONITORING, OptionEffectTag.BAZEL_INTERNAL_CONFIGURATION},
metadataTags = {OptionMetadataTag.HIDDEN},
help = "Unique identifier for the build being run."
)
public String buildRequestId;
@Option(
name = "experimental_generate_json_trace_profile",
defaultValue = "false",
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
help =
"If enabled, Bazel profiles the build and writes a JSON-format profile into a file in the "
+ "output base."
)
public boolean enableTracer;
@Option(
name = "experimental_json_trace_compression",
defaultValue = "false",
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
help = "If enabled, Bazel compresses the JSON-format profile with gzip.")
public boolean enableTracerCompression;
@Option(
name = "experimental_post_profile_started_event",
defaultValue = "false",
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
help = "If set, Bazel will post the ProfilerStartedEvent including the path to the profile.")
public boolean postProfileStartedEvent;
@Option(
name = "experimental_profile_cpu_usage",
defaultValue = "false",
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
help = "If set, Bazel will measure cpu usage and add it to the JSON profile.")
public boolean enableCpuUsageProfiling;
@Option(
name = "profile",
defaultValue = "null",
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
converter = OptionsUtils.PathFragmentConverter.class,
help =
"If set, profile Bazel and write data to the specified "
+ "file. Use bazel analyze-profile to analyze the profile.")
public PathFragment profilePath;
@Option(
name = "record_full_profiler_data",
defaultValue = "false",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
help =
"By default, Bazel profiler will record only aggregated data for fast but numerous "
+ "events (such as statting the file). If this option is enabled, profiler will "
+ "record each event - resulting in more precise profiling data but LARGE "
+ "performance hit. Option only has effect if --profile used as well.")
public boolean recordFullProfilerData;
@Option(
name = "memory_profile",
defaultValue = "null",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
converter = OptionsUtils.PathFragmentConverter.class,
help =
"If set, write memory usage data to the specified file at phase ends and stable heap to"
+ " master log at end of build."
)
public PathFragment memoryProfilePath;
@Option(
name = "memory_profile_stable_heap_parameters",
defaultValue = "1,0",
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.BAZEL_MONITORING},
converter = MemoryProfileStableHeapParameters.Converter.class,
help =
"Tune memory profile's computation of stable heap at end of build. Should be two integers "
+ "separated by a comma. First parameter is the number of GCs to perform. Second "
+ "parameter is the number of seconds to wait between GCs."
)
public MemoryProfileStableHeapParameters memoryProfileStableHeapParameters;
@Option(
name = "experimental_oom_more_eagerly_threshold",
defaultValue = "100",
documentationCategory = OptionDocumentationCategory.EXECUTION_STRATEGY,
effectTags = {OptionEffectTag.HOST_MACHINE_RESOURCE_OPTIMIZATIONS},
help =
"If this flag is set to a value less than 100, Bazel will OOM if, after two full GC's, "
+ "more than this percentage of the (old gen) heap is still occupied.")
public int oomMoreEagerlyThreshold;
@Option(
name = "startup_time",
defaultValue = "0",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
metadataTags = {OptionMetadataTag.HIDDEN},
help = "The time in ms the launcher spends before sending the request to the bazel server.")
public long startupTime;
@Option(
name = "extract_data_time",
defaultValue = "0",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
metadataTags = {OptionMetadataTag.HIDDEN},
help = "The time in ms spent on extracting the new bazel version.")
public long extractDataTime;
@Option(
name = "command_wait_time",
defaultValue = "0",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
metadataTags = {OptionMetadataTag.HIDDEN},
help = "The time in ms a command had to wait on a busy Bazel server process.")
public long waitTime;
@Option(
name = "tool_tag",
defaultValue = "",
documentationCategory = OptionDocumentationCategory.LOGGING,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
help = "A tool name to attribute this Bazel invocation to.")
public String toolTag;
@Option(
name = "restart_reason",
defaultValue = "no_restart",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
metadataTags = {OptionMetadataTag.HIDDEN},
help = "The reason for the server restart."
)
public String restartReason;
@Option(
name = "binary_path",
defaultValue = "",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS, OptionEffectTag.BAZEL_MONITORING},
metadataTags = {OptionMetadataTag.HIDDEN},
help = "The absolute path of the bazel binary.")
public String binaryPath;
@Option(
name = "experimental_allow_project_files",
defaultValue = "false",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.CHANGES_INPUTS},
metadataTags = {OptionMetadataTag.EXPERIMENTAL, OptionMetadataTag.HIDDEN},
help = "Enable processing of +<file> parameters."
)
public boolean allowProjectFiles;
@Option(
name = "block_for_lock",
defaultValue = "true",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.BAZEL_INTERNAL_CONFIGURATION},
metadataTags = {OptionMetadataTag.HIDDEN},
help =
"If set (the default), a command will block if there is another one running. If "
+ "unset, these commands will immediately return with an error."
)
public boolean blockForLock;
// We could accept multiple of these, in the event where there's a chain of tools that led to a
// Bazel invocation. We would not want to expect anything from the order of these, and would need
// to guarantee that the "label" for each command line is unique. Unless a need is demonstrated,
// though, logs are a better place to track this information than flags, so let's try to avoid it.
@Option(
// In May 2018, this feature will have been out for 6 months. If the format we accept has not
// changed in that time, we can remove the "experimental" prefix and tag.
name = "experimental_tool_command_line",
defaultValue = "",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.AFFECTS_OUTPUTS},
// Keep this flag HIDDEN so that it is not listed with our reported command lines, it being
// reported separately.
metadataTags = {OptionMetadataTag.EXPERIMENTAL, OptionMetadataTag.HIDDEN},
converter = ToolCommandLineEvent.Converter.class,
help =
"An extra command line to report with this invocation's command line. Useful for tools "
+ "that invoke Bazel and want the original information that the tool received to be "
+ "logged with the rest of the Bazel invocation."
)
public ToolCommandLineEvent toolCommandLine;
@Option(
name = "unconditional_warning",
defaultValue = "",
documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
effectTags = {OptionEffectTag.TERMINAL_OUTPUT},
allowMultiple = true,
help =
"A warning that will unconditionally get printed with build warnings and errors. This is "
+ "useful to deprecate bazelrc files or --config definitions. If the intent is to "
+ "effectively deprecate some flag or combination of flags, this is NOT sufficient. "
+ "The flag or flags should use the deprecationWarning field in the option definition, "
+ "or the bad combination should be checked for programmatically."
)
public List<String> deprecationWarnings;
@Option(
name = "track_incremental_state",
oldName = "keep_incrementality_data",
defaultValue = "true",
documentationCategory = OptionDocumentationCategory.BUILD_TIME_OPTIMIZATION,
effectTags = {OptionEffectTag.LOSES_INCREMENTAL_STATE},
help =
"If false, Blaze will not persist data that allows for invalidation and re-evaluation "
+ "on incremental builds in order to save memory on this build. Subsequent builds "
+ "will not have any incrementality with respect to this one. Usually you will want "
+ "to specify --batch when setting this to false."
)
public boolean trackIncrementalState;
@Option(
name = "keep_state_after_build",
defaultValue = "true",
documentationCategory = OptionDocumentationCategory.BUILD_TIME_OPTIMIZATION,
effectTags = {OptionEffectTag.LOSES_INCREMENTAL_STATE},
help =
"If false, Blaze will discard the inmemory state from this build when the build "
+ "finishes. Subsequent builds will not have any incrementality with respect to this "
+ "one."
)
public boolean keepStateAfterBuild;
}