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/**
* Copyright (C) 2021-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::kSharding
#include "mongo/db/s/refine_collection_shard_key_coordinator.h"
#include "mongo/db/commands.h"
#include "mongo/db/s/dist_lock_manager.h"
#include "mongo/logv2/log.h"
#include "mongo/s/catalog_cache.h"
#include "mongo/s/grid.h"
#include "mongo/s/request_types/refine_collection_shard_key_gen.h"
namespace mongo {
RefineCollectionShardKeyCoordinator::RefineCollectionShardKeyCoordinator(
ShardingDDLCoordinatorService* service, const BSONObj& initialState)
: ShardingDDLCoordinator(service, initialState),
_doc(RefineCollectionShardKeyCoordinatorDocument::parse(
IDLParserErrorContext("RefineCollectionShardKeyCoordinatorDocument"), initialState)),
_newShardKey(_doc.getNewShardKey()) {}
void RefineCollectionShardKeyCoordinator::checkIfOptionsConflict(const BSONObj& doc) const {
// If we have two shard collections on the same namespace, then the arguments must be the same.
const auto otherDoc = RefineCollectionShardKeyCoordinatorDocument::parse(
IDLParserErrorContext("RefineCollectionShardKeyCoordinatorDocument"), doc);
uassert(ErrorCodes::ConflictingOperationInProgress,
"Another create collection with different arguments is already running for the same "
"namespace",
SimpleBSONObjComparator::kInstance.evaluate(
_doc.getRefineCollectionShardKeyRequest().toBSON() ==
otherDoc.getRefineCollectionShardKeyRequest().toBSON()));
}
boost::optional<BSONObj> RefineCollectionShardKeyCoordinator::reportForCurrentOp(
MongoProcessInterface::CurrentOpConnectionsMode connMode,
MongoProcessInterface::CurrentOpSessionsMode sessionMode) noexcept {
BSONObjBuilder cmdBob;
if (const auto& optComment = getForwardableOpMetadata().getComment()) {
cmdBob.append(optComment.get().firstElement());
}
cmdBob.appendElements(_doc.getRefineCollectionShardKeyRequest().toBSON());
BSONObjBuilder bob;
bob.append("type", "op");
bob.append("desc", "RefineCollectionShardKeyCoordinator");
bob.append("op", "command");
bob.append("ns", nss().toString());
bob.append("command", cmdBob.obj());
bob.append("active", true);
return bob.obj();
}
ExecutorFuture<void> RefineCollectionShardKeyCoordinator::_runImpl(
std::shared_ptr<executor::ScopedTaskExecutor> executor,
const CancellationToken& token) noexcept {
return ExecutorFuture<void>(**executor)
.then([this, anchor = shared_from_this()] {
auto opCtxHolder = cc().makeOperationContext();
auto* opCtx = opCtxHolder.get();
getForwardableOpMetadata().setOn(opCtx);
const auto cm = uassertStatusOK(
Grid::get(opCtx)->catalogCache()->getShardedCollectionRoutingInfoWithRefresh(
opCtx, nss()));
ConfigsvrRefineCollectionShardKey configsvrRefineCollShardKey(
nss(), _newShardKey.toBSON(), cm.getVersion().epoch());
configsvrRefineCollShardKey.setDbName(nss().db().toString());
// TODO SERVER-54810 don't set `setIsFromPrimaryShard` once 5.0 becomes last-LTS
configsvrRefineCollShardKey.setIsFromPrimaryShard(true);
auto configShard = Grid::get(opCtx)->shardRegistry()->getConfigShard();
try {
auto cmdResponse = uassertStatusOK(configShard->runCommandWithFixedRetryAttempts(
opCtx,
ReadPreferenceSetting(ReadPreference::PrimaryOnly),
NamespaceString::kAdminDb.toString(),
CommandHelpers::appendMajorityWriteConcern(
configsvrRefineCollShardKey.toBSON({}), opCtx->getWriteConcern()),
Shard::RetryPolicy::kIdempotent));
uassertStatusOK(cmdResponse.commandStatus);
uassertStatusOK(cmdResponse.writeConcernStatus);
} catch (const DBException&) {
_completeOnError = true;
throw;
}
})
.onError([this, anchor = shared_from_this()](const Status& status) {
LOGV2_ERROR(5277700,
"Error running refine collection shard key",
"namespace"_attr = nss(),
"error"_attr = redact(status));
return status;
});
}
} // namespace mongo
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