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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/db/pipeline/aggregate_command_gen.h"
#include "mongo/db/s/sharding_state.h"
#include "mongo/s/commands/cluster_pipeline_cmd.h"
#include "mongo/s/grid.h"
namespace mongo {
namespace {
/**
* Implements the cluster aggregate command on mongod.
*/
struct ClusterPipelineCommandD {
static constexpr StringData kName = "clusterAggregate"_sd;
static const std::set<std::string>& getApiVersions() {
return kNoApiVersions;
}
static void doCheckAuthorization(OperationContext* opCtx, const PrivilegeVector& privileges) {
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForActionsOnResource(ResourcePattern::forClusterResource(),
ActionType::internal));
}
static void checkCanRunHere(OperationContext* opCtx) {
Grid::get(opCtx)->assertShardingIsInitialized();
// A cluster command on the config server may attempt to use a ShardLocal to target itself,
// which triggers an invariant, so only shard servers can run this.
uassertStatusOK(ShardingState::get(opCtx)->canAcceptShardedCommands());
}
static void checkCanExplainHere(OperationContext* opCtx) {
uasserted(ErrorCodes::CommandNotSupported,
"Cannot explain a cluster aggregate command on a mongod");
}
static AggregateCommandRequest parseAggregationRequest(
OperationContext* opCtx,
const OpMsgRequest& opMsgRequest,
boost::optional<ExplainOptions::Verbosity> explainVerbosity,
bool apiStrict) {
// Replace clusterAggregate in the request body because the parser doesn't recognize it.
auto modifiedRequestBody =
opMsgRequest.body.replaceFieldNames(BSON(AggregateCommandRequest::kCommandName << 1));
return aggregation_request_helper::parseFromBSON(
opCtx,
DatabaseNameUtil::deserialize(opMsgRequest.getValidatedTenantId(),
opMsgRequest.getDatabase()),
modifiedRequestBody,
explainVerbosity,
apiStrict);
}
};
ClusterPipelineCommandBase<ClusterPipelineCommandD> clusterPipelineCmdD;
} // namespace
} // namespace mongo
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