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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 "mongo/platform/basic.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/commands/profile_common.h"
#include "mongo/db/commands/profile_gen.h"
#include "mongo/db/jsobj.h"
#include "mongo/idl/idl_parser.h"
#include "mongo/util/log.h"
namespace mongo {
Status ProfileCmdBase::checkAuthForCommand(Client* client,
const std::string& dbName,
const BSONObj& cmdObj) const {
AuthorizationSession* authzSession = AuthorizationSession::get(client);
auto request = ProfileCmdRequest::parse(IDLParserErrorContext("profile"), cmdObj);
const auto profilingLevel = request.getCommandParameter();
if (profilingLevel < 0 && !request.getSlowms() && !request.getSampleRate()) {
// If the user just wants to view the current values of 'slowms' and 'sampleRate', they
// only need read rights on system.profile, even if they can't change the profiling level.
if (authzSession->isAuthorizedForActionsOnResource(
ResourcePattern::forExactNamespace({dbName, "system.profile"}), ActionType::find)) {
return Status::OK();
}
}
return authzSession->isAuthorizedForActionsOnResource(ResourcePattern::forDatabaseName(dbName),
ActionType::enableProfiler)
? Status::OK()
: Status(ErrorCodes::Unauthorized, "unauthorized");
}
bool ProfileCmdBase::run(OperationContext* opCtx,
const std::string& dbName,
const BSONObj& cmdObj,
BSONObjBuilder& result) {
auto request = ProfileCmdRequest::parse(IDLParserErrorContext("profile"), cmdObj);
const auto profilingLevel = request.getCommandParameter();
// Delegate to _applyProfilingLevel to set the profiling level appropriately whether we are on
// mongoD or mongoS.
int oldLevel = _applyProfilingLevel(opCtx, dbName, profilingLevel);
auto oldSlowMS = serverGlobalParams.slowMS;
auto oldSampleRate = serverGlobalParams.sampleRate;
result.append("was", oldLevel);
result.append("slowms", oldSlowMS);
result.append("sampleRate", oldSampleRate);
if (auto slowms = request.getSlowms()) {
serverGlobalParams.slowMS = *slowms;
}
if (auto sampleRate = request.getSampleRate()) {
uassert(ErrorCodes::BadValue,
"'sampleRate' must be between 0.0 and 1.0 inclusive",
*sampleRate >= 0.0 && *sampleRate <= 1.0);
serverGlobalParams.sampleRate = *sampleRate;
}
// Log the change made to server's profiling settings, unless the request was to get the current
// value.
if (profilingLevel != -1) {
BSONObjBuilder oldState;
BSONObjBuilder newState;
oldState.append("level"_sd, oldLevel);
oldState.append("slowms"_sd, oldSlowMS);
oldState.append("sampleRate"_sd, oldSampleRate);
newState.append("level"_sd, profilingLevel);
newState.append("slowms"_sd, serverGlobalParams.slowMS);
newState.append("sampleRate"_sd, serverGlobalParams.sampleRate);
LOG(0) << "{msg: \"Profiler settings changed\", from:" << oldState.obj()
<< ", to:" << newState.obj() << "}";
}
return true;
}
} // namespace mongo
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