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/**
* Copyright (C) 2018-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/auth/authorization_session.h"
#include "mongo/db/catalog_raii.h"
#include "mongo/db/commands.h"
#include "mongo/db/s/collection_sharding_runtime.h"
#include "mongo/db/s/collmod_coordinator.h"
#include "mongo/db/s/database_sharding_state.h"
#include "mongo/db/s/recoverable_critical_section_service.h"
#include "mongo/db/s/shard_filtering_metadata_refresh.h"
#include "mongo/db/s/sharded_collmod_gen.h"
#include "mongo/db/s/sharding_state.h"
#include "mongo/db/timeseries/catalog_helper.h"
#include "mongo/db/timeseries/timeseries_collmod.h"
#include "mongo/logv2/log.h"
#include "mongo/s/catalog/sharding_catalog_client.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kSharding
namespace mongo {
namespace {
class ShardSvrCollModParticipantCommand final
: public TypedCommand<ShardSvrCollModParticipantCommand> {
public:
using Request = ShardsvrCollModParticipant;
using Response = CollModReply;
std::string help() const override {
return "Internal command, which is exported by the shards. Do not call "
"directly. Unblocks CRUD and processes collMod.";
}
bool skipApiVersionCheck() const override {
// Internal command (server to server).
return true;
}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return Command::AllowedOnSecondary::kNever;
}
class Invocation final : public InvocationBase {
public:
using InvocationBase::InvocationBase;
Response typedRun(OperationContext* opCtx) {
uassertStatusOK(ShardingState::get(opCtx)->canAcceptShardedCommands());
CommandHelpers::uassertCommandRunWithMajority(Request::kCommandName,
opCtx->getWriteConcern());
opCtx->setAlwaysInterruptAtStepDownOrUp();
// If the needsUnblock flag is set, we must have blocked the CRUD operations in the
// previous phase of collMod operation for granularity updates. Unblock it now after we
// have updated the granularity.
if (request().getNeedsUnblock()) {
// This is only ever used for time-series collection as of now.
uassert(6102802,
"collMod unblocking should always be on a time-series collection",
timeseries::getTimeseriesOptions(opCtx, ns(), true));
auto bucketNs = ns().makeTimeseriesBucketsNamespace();
try {
forceShardFilteringMetadataRefresh(opCtx, bucketNs);
} catch (const DBException&) {
// If the refresh fails, then set the shard version to UNKNOWN and let a future
// operation to refresh the metadata.
UninterruptibleLockGuard noInterrupt(opCtx->lockState());
AutoGetCollection autoColl(opCtx, bucketNs, MODE_IX);
CollectionShardingRuntime::get(opCtx, bucketNs)->clearFilteringMetadata(opCtx);
}
auto service = RecoverableCriticalSectionService::get(opCtx);
const auto reason = BSON("command"
<< "ShardSvrParticipantBlockCommand"
<< "ns" << bucketNs.toString());
service->releaseRecoverableCriticalSection(
opCtx, bucketNs, reason, ShardingCatalogClient::kLocalWriteConcern);
}
BSONObjBuilder builder;
CollMod cmd(ns());
cmd.setCollModRequest(request().getCollModRequest());
// This flag is set from the collMod coordinator. We do not allow view definition change
// on non-primary shards since it's not in the view catalog.
auto performViewChange = request().getPerformViewChange();
uassertStatusOK(timeseries::processCollModCommandWithTimeSeriesTranslation(
opCtx, ns(), cmd, performViewChange, &builder));
return CollModReply::parse(IDLParserErrorContext("CollModReply"), builder.obj());
}
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));
}
};
} shardsvrCollModParticipantCommand;
} // namespace
} // namespace mongo
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