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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kCommand
#include <vector>
#include "mongo/base/init.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/commands.h"
#include "mongo/db/commands/test_commands_enabled.h"
#include "mongo/util/fail_point_service.h"
#include "mongo/util/log.h"
namespace mongo {
/**
* Command for modifying installed fail points.
*
* Format
* {
* configureFailPoint: <string>, // name of the fail point.
* mode: <string|Object>, // the new mode to set. Can have one of the
* following format:
*
* 1. 'off' - disable fail point.
* 2. 'alwaysOn' - fail point is always active.
* 3. { activationProbability: <n> } - n should be a double between 0 and 1,
* representing the probability that the fail point will fire. 0 means never,
* 1 means (nearly) always.
* 4. { times: <n> } - n should be positive and within the range of a 32 bit
* signed integer and this is the number of passes on the fail point will
* remain activated.
*
* data: <Object> // optional arbitrary object to store.
* }
*/
class FaultInjectCmd : public BasicCommand {
public:
FaultInjectCmd() : BasicCommand("configureFailPoint") {}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kAlways;
}
bool supportsWriteConcern(const BSONObj& cmd) const override {
return false;
}
bool adminOnly() const override {
return true;
}
bool requiresAuth() const override {
return false;
}
// No auth needed because it only works when enabled via command line.
void addRequiredPrivileges(const std::string& dbname,
const BSONObj& cmdObj,
std::vector<Privilege>* out) const override {}
std::string help() const override {
return "modifies the settings of a fail point";
}
bool run(OperationContext* opCtx,
const std::string& dbname,
const BSONObj& cmdObj,
BSONObjBuilder& result) override {
const std::string failPointName(cmdObj.firstElement().str());
if (failPointName == "now" && cmdObj.hasField("sync"))
syncNow(opCtx, cmdObj);
else
setGlobalFailPoint(failPointName, cmdObj);
return true;
}
};
MONGO_REGISTER_TEST_COMMAND(FaultInjectCmd);
}
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