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/**
* Copyright (C) 2022-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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/commands/test_commands_enabled.h"
#include "mongo/db/query/query_feature_flags_gen.h"
#include "mongo/db/query/query_knobs_gen.h"
namespace mongo {
void QueryFrameworkControl::append(OperationContext*,
BSONObjBuilder* b,
StringData name,
const boost::optional<TenantId>&) {
*b << name << QueryFrameworkControl_serializer(_data.get());
}
Status QueryFrameworkControl::setFromString(StringData value, const boost::optional<TenantId>&) {
auto newVal =
QueryFrameworkControl_parse(IDLParserContext("internalQueryFrameworkControl"), value);
// To enable Bonsai, the feature flag must be enabled. Here, we return an error to the user if
// they try to set the framework control knob to use Bonsai while the feature flag is disabled.
//
// Note that we only check if the feature flag is enabled ignoring FCV. If, for example, the FCV
// is not initialized, then we don't want to fail here.
//
// The feature flag should be initialized by this point because
// server_options_detail::applySetParameterOptions(std::map ...)
// handles setParameters in alphabetical order, so "feature" comes before "internal".
// (Ignore FCV check): This is intentional because we always want to use this feature once the
// feature flag is enabled.
bool enabledWithoutFCV =
feature_flags::gFeatureFlagCommonQueryFramework.isEnabledAndIgnoreFCVUnsafe();
switch (newVal) {
case QueryFrameworkControlEnum::kForceClassicEngine:
case QueryFrameworkControlEnum::kTrySbeEngine:
break;
case QueryFrameworkControlEnum::kTryBonsai:
if (enabledWithoutFCV) {
break;
}
return {ErrorCodes::IllegalOperation,
"featureFlagCommonQueryFramework must be enabled to run with tryBonsai"};
case QueryFrameworkControlEnum::kForceBonsai:
if (enabledWithoutFCV && getTestCommandsEnabled()) {
break;
}
return {ErrorCodes::IllegalOperation,
"featureFlagCommonQueryFramework and testCommands must be enabled to run with "
"forceBonsai"};
}
_data = std::move(newVal);
return Status::OK();
}
} // namespace mongo
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