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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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/base/status.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/commands.h"
#include "mongo/s/commands/cluster_aggregate.h"
namespace mongo {
namespace {
class ClusterPipelineCommand : public Command {
public:
ClusterPipelineCommand() : Command("aggregate") {}
void help(std::stringstream& help) const {
help << "Runs the sharded aggregation command. See "
"http://dochub.mongodb.org/core/aggregation for more details.";
}
bool slaveOk() const override {
return true;
}
bool adminOnly() const override {
return false;
}
bool supportsWriteConcern(const BSONObj& cmd) const override {
return Pipeline::aggSupportsWriteConcern(cmd);
}
Status checkAuthForCommand(Client* client,
const std::string& dbname,
const BSONObj& cmdObj) override {
const NamespaceString nss(AggregationRequest::parseNs(dbname, cmdObj));
return AuthorizationSession::get(client)->checkAuthForAggregate(nss, cmdObj, true);
}
bool run(OperationContext* opCtx,
const std::string& dbname,
const BSONObj& cmdObj,
std::string& errmsg,
BSONObjBuilder& result) override {
return appendCommandStatus(result,
_runAggCommand(opCtx, dbname, cmdObj, boost::none, &result));
}
Status explain(OperationContext* opCtx,
const std::string& dbname,
const BSONObj& cmdObj,
ExplainOptions::Verbosity verbosity,
BSONObjBuilder* out) const override {
return _runAggCommand(opCtx, dbname, cmdObj, verbosity, out);
}
private:
static Status _runAggCommand(OperationContext* opCtx,
const std::string& dbname,
const BSONObj& cmdObj,
boost::optional<ExplainOptions::Verbosity> verbosity,
BSONObjBuilder* result) {
const auto aggregationRequest =
uassertStatusOK(AggregationRequest::parseFromBSON(dbname, cmdObj, verbosity));
const auto& nss = aggregationRequest.getNamespaceString();
return ClusterAggregate::runAggregate(
opCtx, ClusterAggregate::Namespaces{nss, nss}, aggregationRequest, cmdObj, result);
}
} clusterPipelineCmd;
} // namespace
} // namespace mongo
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