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// Copyright 2017 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.exec;
import static com.google.common.base.Preconditions.checkArgument;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.devtools.build.lib.actions.Action;
import com.google.devtools.build.lib.actions.ActionExecutionException;
import com.google.devtools.build.lib.actions.ExecException;
import com.google.devtools.build.lib.actions.Spawn;
import com.google.devtools.build.lib.actions.SpawnResult;
import com.google.devtools.build.lib.actions.SpawnResult.Status;
import com.google.devtools.build.lib.util.ExitCode;
/**
* A specialization of {@link ExecException} that indicates something went wrong when trying to
* execute a {@link Spawn}.
*/
public class SpawnExecException extends ExecException {
protected final SpawnResult result;
protected final boolean forciblyRunRemotely;
public SpawnExecException(
String message, SpawnResult result, boolean forciblyRunRemotely) {
super(message, result.isCatastrophe());
checkArgument(!Status.SUCCESS.equals(result.status()), "Can't create exception with successful"
+ " spawn result.");
this.result = Preconditions.checkNotNull(result);
this.forciblyRunRemotely = forciblyRunRemotely;
}
@VisibleForTesting
public SpawnExecException(
String message, SpawnResult result, boolean forciblyRunRemotely, boolean catastrophe) {
super(message, catastrophe);
this.result = Preconditions.checkNotNull(result);
this.forciblyRunRemotely = forciblyRunRemotely;
}
/** Returns the spawn result. */
public SpawnResult getSpawnResult() {
return result;
}
public boolean hasTimedOut() {
return getSpawnResult().status() == Status.TIMEOUT;
}
@Override
public ActionExecutionException toActionExecutionException(String messagePrefix,
boolean verboseFailures, Action action) {
if (messagePrefix == null) {
messagePrefix = action.describe();
}
// Note: we intentionally do not include the ExecException here, unless verboseFailures is true,
// because it creates unwieldy and useless messages. If users need more info, they can run with
// --verbose_failures.
String message = result.getDetailMessage(
messagePrefix, getMessage(), isCatastrophic(), forciblyRunRemotely);
if (verboseFailures) {
return new ActionExecutionException(
message,
this,
action,
isCatastrophic(),
getExitCode());
} else {
return new ActionExecutionException(
message,
action,
isCatastrophic(),
getExitCode());
}
}
/** Return exit code depending on the spawn result. */
protected ExitCode getExitCode() {
if (result.status().isConsideredUserError()) {
return null;
}
return (result != null && result.status() == Status.REMOTE_EXECUTOR_OVERLOADED)
? ExitCode.REMOTE_EXECUTOR_OVERLOADED
: ExitCode.REMOTE_ERROR;
}
}
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