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/**
* Copyright (C) 2022-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/platform/basic.h"
#include "mongo/db/s/global_user_write_block_state.h"
#include "mongo/db/write_block_bypass.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kSharding
namespace mongo {
namespace {
const auto serviceDecorator = ServiceContext::declareDecoration<GlobalUserWriteBlockState>();
} // namespace
GlobalUserWriteBlockState* GlobalUserWriteBlockState::get(ServiceContext* serviceContext) {
return &serviceDecorator(serviceContext);
}
GlobalUserWriteBlockState* GlobalUserWriteBlockState::get(OperationContext* opCtx) {
return get(opCtx->getServiceContext());
}
void GlobalUserWriteBlockState::enableUserWriteBlocking(OperationContext* opCtx) {
_globalUserWritesBlocked.store(true);
}
void GlobalUserWriteBlockState::disableUserWriteBlocking(OperationContext* opCtx) {
_globalUserWritesBlocked.store(false);
}
void GlobalUserWriteBlockState::checkUserWritesAllowed(OperationContext* opCtx,
const NamespaceString& nss) const {
invariant(opCtx->lockState()->isLocked());
uassert(ErrorCodes::UserWritesBlocked,
"User writes blocked",
!_globalUserWritesBlocked.load() ||
WriteBlockBypass::get(opCtx).isWriteBlockBypassEnabled() || nss.isOnInternalDb() ||
nss.isTemporaryReshardingCollection() || nss.isSystemDotProfile());
}
bool GlobalUserWriteBlockState::isUserWriteBlockingEnabled(OperationContext* opCtx) const {
invariant(opCtx->lockState()->isLocked());
return _globalUserWritesBlocked.load();
}
void GlobalUserWriteBlockState::enableUserShardedDDLBlocking(OperationContext* opCtx) {
_userShardedDDLBlocked.store(true);
}
void GlobalUserWriteBlockState::disableUserShardedDDLBlocking(OperationContext* opCtx) {
_userShardedDDLBlocked.store(false);
}
void GlobalUserWriteBlockState::checkShardedDDLAllowedToStart(OperationContext* opCtx,
const NamespaceString& nss) const {
invariant(serverGlobalParams.clusterRole.has(ClusterRole::ShardServer));
uassert(ErrorCodes::UserWritesBlocked,
"User writes blocked",
!_userShardedDDLBlocked.load() ||
WriteBlockBypass::get(opCtx).isWriteBlockBypassEnabled() || nss.isOnInternalDb());
}
void GlobalUserWriteBlockState::enableUserIndexBuildBlocking(OperationContext* opCtx) {
_userIndexBuildsBlocked.store(true);
}
void GlobalUserWriteBlockState::disableUserIndexBuildBlocking(OperationContext* opCtx) {
_userIndexBuildsBlocked.store(false);
}
Status GlobalUserWriteBlockState::checkIfIndexBuildAllowedToStart(
OperationContext* opCtx, const NamespaceString& nss) const {
if (_userIndexBuildsBlocked.load() &&
!WriteBlockBypass::get(opCtx).isWriteBlockBypassEnabled() && !nss.isOnInternalDb()) {
return Status(ErrorCodes::UserWritesBlocked, "User writes blocked");
}
return Status::OK();
}
} // namespace mongo
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