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/**
* Copyright (C) 2020-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_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kCommand
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/catalog/rename_collection.h"
#include "mongo/db/commands.h"
#include "mongo/db/s/rename_collection_coordinator.h"
#include "mongo/db/s/sharding_ddl_coordinator_service.h"
#include "mongo/db/s/sharding_ddl_util.h"
#include "mongo/db/s/sharding_state.h"
#include "mongo/logv2/log.h"
#include "mongo/s/cluster_commands_helpers.h"
#include "mongo/s/request_types/sharded_ddl_commands_gen.h"
namespace mongo {
namespace {
class ShardsvrRenameCollectionCommand final : public TypedCommand<ShardsvrRenameCollectionCommand> {
public:
using Request = ShardsvrRenameCollection;
using Response = RenameCollectionResponse;
bool skipApiVersionCheck() const override {
// Internal command (server to server).
return true;
}
std::string help() const override {
return "Internal command. Do not call directly. Renames a collection.";
}
bool adminOnly() const override {
return false;
}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kNever;
}
class Invocation final : public InvocationBase {
public:
using InvocationBase::InvocationBase;
Response typedRun(OperationContext* opCtx) {
const auto& req = request();
const auto& fromNss = ns();
const auto& toNss = req.getTo();
uassert(ErrorCodes::IllegalOperation,
"Can't rename a collection to itself",
fromNss != toNss);
auto const shardingState = ShardingState::get(opCtx);
uassertStatusOK(shardingState->canAcceptShardedCommands());
opCtx->setAlwaysInterruptAtStepDownOrUp();
uassert(ErrorCodes::InvalidOptions,
str::stream() << Request::kCommandName
<< " must be called with majority writeConcern, got "
<< opCtx->getWriteConcern().wMode,
opCtx->getWriteConcern().wMode == WriteConcernOptions::kMajority);
if (fromNss.db() != toNss.db()) {
sharding_ddl_util::checkDbPrimariesOnTheSameShard(opCtx, fromNss, toNss);
}
validateNamespacesForRenameCollection(opCtx, fromNss, toNss);
auto coordinatorDoc = RenameCollectionCoordinatorDocument();
coordinatorDoc.setRenameCollectionRequest(req.getRenameCollectionRequest());
coordinatorDoc.setShardingDDLCoordinatorMetadata(
{{fromNss, DDLCoordinatorTypeEnum::kRenameCollection}});
auto service = ShardingDDLCoordinatorService::getService(opCtx);
auto renameCollectionCoordinator = checked_pointer_cast<RenameCollectionCoordinator>(
service->getOrCreateInstance(opCtx, coordinatorDoc.toBSON()));
return renameCollectionCoordinator->getResponse(opCtx);
}
private:
NamespaceString ns() const override {
return request().getNamespace();
}
bool supportsWriteConcern() const override {
return true;
}
void doCheckAuthorization(OperationContext* opCtx) const override {
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForActionsOnResource(ResourcePattern::forClusterResource(),
ActionType::internal));
}
};
} shardsvrRenameCollectionCommand;
} // namespace
} // namespace mongo
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