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/**
* Copyright (C) 2024-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/exec/express/express_plan.h"
#include "mongo/db/catalog/health_log_gen.h"
#include "mongo/db/catalog/health_log_interface.h"
#include "mongo/db/transaction_resources.h"
#include "mongo/util/stacktrace.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kQuery
namespace mongo {
namespace express {
void releaseShardFilterResources(ScopedCollectionFilter&) {}
void restoreShardFilterResources(ScopedCollectionFilter&) {}
void releaseShardFilterResources(NoShardFilter&) {}
void restoreShardFilterResources(NoShardFilter&) {}
void releaseShardFilterResources(write_stage_common::PreWriteFilter& preWriteFilter) {
preWriteFilter.saveState();
}
void restoreShardFilterResources(write_stage_common::PreWriteFilter& preWriteFilter) {
preWriteFilter.restoreState();
}
void logRecordNotFound(OperationContext* opCtx,
const RecordId& rid,
const BSONObj& indexKey,
const BSONObj& keyPattern,
const NamespaceString& ns) {
// The express path does not yield between examining the index entry and fetching it, so
// it's not possible that the document was deleted during a yield after we first examined
// the index entry. It is possible that the record was deleted by a prepared transaction
// (race between document deletion & fetch). If we're ignoring prepare conflicts, then we
// simply return here. Otherwise, we return an error and write to the log with instructions
// on how to address potentially inconsistent data.
if (shard_role_details::getRecoveryUnit(opCtx)->getPrepareConflictBehavior() !=
PrepareConflictBehavior::kEnforce) {
return;
}
HealthLogEntry entry;
entry.setNss(ns);
entry.setTimestamp(Date_t::now());
entry.setSeverity(SeverityEnum::Error);
entry.setScope(ScopeEnum::Index);
entry.setOperation("Index scan");
entry.setMsg("Erroneous index key found with reference to non-existent record id");
BSONObjBuilder builder;
builder.append("key"_sd, redact(indexKey));
builder.append("pattern"_sd, keyPattern);
const BSONObj indexKeyData = builder.obj();
BSONObjBuilder bob;
bob.append("recordId", rid.toString());
bob.append("indexKeyData", indexKeyData);
bob.appendElements(getStackTrace().getBSONRepresentation());
entry.setData(bob.obj());
HealthLogInterface::get(opCtx)->log(entry);
auto options = [&] {
if (shard_role_details::getRecoveryUnit(opCtx)->getDataCorruptionDetectionMode() ==
DataCorruptionDetectionMode::kThrow) {
return logv2::LogOptions{logv2::UserAssertAfterLog(ErrorCodes::DataCorruptionDetected)};
} else {
return logv2::LogOptions(logv2::LogComponent::kAutomaticDetermination);
}
}();
LOGV2_ERROR_OPTIONS(
8944500,
options,
"Erroneous index key found with reference to non-existent record id. Consider dropping "
"and then re-creating the index and then running the validate command on the "
"collection.",
logAttrs(ns),
"recordId"_attr = rid,
"indexKeyData"_attr = indexKeyData);
}
} // namespace express
} // namespace mongo
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