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/**
* Copyright (C) 2016 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::kSharding
#include "mongo/platform/basic.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/commands.h"
#include "mongo/db/namespace_string.h"
#include "mongo/s/catalog/sharding_catalog_manager.h"
#include "mongo/s/grid.h"
#include "mongo/s/request_types/add_shard_to_zone_request_type.h"
#include "mongo/util/log.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
namespace {
using std::string;
/**
* Internal sharding command run on config servers to add a shard to zone.
*
* Format:
* {
* _configsvrAddShardToZone: <string shardName>,
* zone: <string zoneName>,
* writeConcern: <BSONObj>
* }
*/
class ConfigSvrAddShardToZoneCommand : public BasicCommand {
public:
ConfigSvrAddShardToZoneCommand() : BasicCommand("_configsvrAddShardToZone") {}
void help(std::stringstream& help) const override {
help << "Internal command, which is exported by the sharding config server. Do not call "
"directly. Validates and adds a new zone to the shard.";
}
bool slaveOk() const override {
return false;
}
bool adminOnly() const override {
return true;
}
bool supportsWriteConcern(const BSONObj& cmd) const override {
return true;
}
Status checkAuthForCommand(Client* client,
const std::string& dbname,
const BSONObj& cmdObj) override {
if (!AuthorizationSession::get(client)->isAuthorizedForActionsOnResource(
ResourcePattern::forClusterResource(), ActionType::internal)) {
return Status(ErrorCodes::Unauthorized, "Unauthorized");
}
return Status::OK();
}
bool run(OperationContext* opCtx,
const std::string& unusedDbName,
const BSONObj& cmdObj,
BSONObjBuilder& result) override {
if (serverGlobalParams.clusterRole != ClusterRole::ConfigServer) {
uasserted(ErrorCodes::IllegalOperation,
"_configsvrAddShardToZone can only be run on config servers");
}
auto parsedRequest = uassertStatusOK(AddShardToZoneRequest::parseFromConfigCommand(cmdObj));
uassertStatusOK(ShardingCatalogManager::get(opCtx)->addShardToZone(
opCtx, parsedRequest.getShardName(), parsedRequest.getZoneName()));
return true;
}
} configsvrAddShardToZoneCmd;
} // namespace
} // namespace mongo
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