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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/op_observer/op_observer_util.h"
#include "mongo/db/bson/dotted_path_support.h"
#include "mongo/db/index/index_descriptor.h"
#include "mongo/db/s/collection_sharding_state.h"
#include "mongo/util/fail_point.h"
namespace mongo::repl {
const OperationContext::Decoration<boost::optional<DocumentKey>> documentKeyDecoration =
OperationContext::declareDecoration<boost::optional<DocumentKey>>();
MONGO_FAIL_POINT_DEFINE(addDestinedRecipient);
MONGO_FAIL_POINT_DEFINE(sleepBetweenInsertOpTimeGenerationAndLogOp);
/**
* Given a raw collMod command object and associated collection metadata, create and return the
* object for the 'o' field of a collMod oplog entry. For TTL index updates, we make sure the oplog
* entry always stores the index name, instead of a key pattern.
*/
BSONObj makeCollModCmdObj(const BSONObj& collModCmd,
const CollectionOptions& oldCollOptions,
boost::optional<IndexCollModInfo> indexInfo) {
BSONObjBuilder cmdObjBuilder;
std::string indexFieldName = "index";
// Add all fields from the original collMod command.
for (auto elem : collModCmd) {
// We normalize all TTL collMod oplog entry objects to use the index name, even if the
// command used an index key pattern.
if (elem.fieldNameStringData() == indexFieldName && indexInfo) {
BSONObjBuilder indexObjBuilder;
indexObjBuilder.append("name", indexInfo->indexName);
if (indexInfo->expireAfterSeconds)
indexObjBuilder.append(
"expireAfterSeconds",
durationCount<Seconds>(indexInfo->expireAfterSeconds.value()));
if (indexInfo->hidden)
indexObjBuilder.append("hidden", indexInfo->hidden.value());
if (indexInfo->unique)
indexObjBuilder.append("unique", indexInfo->unique.value());
if (indexInfo->prepareUnique)
indexObjBuilder.append("prepareUnique", indexInfo->prepareUnique.value());
if (indexInfo->forceNonUnique)
indexObjBuilder.append("forceNonUnique", indexInfo->forceNonUnique.value());
cmdObjBuilder.append(indexFieldName, indexObjBuilder.obj());
} else {
cmdObjBuilder.append(elem);
}
}
return cmdObjBuilder.obj();
}
BSONObj DocumentKey::getId() const {
return _id;
}
BSONObj DocumentKey::getShardKeyAndId() const {
if (_shardKey) {
BSONObjBuilder builder(_shardKey.value());
builder.appendElementsUnique(_id);
return builder.obj();
}
// _shardKey is not set so just return the _id.
return getId();
}
DocumentKey getDocumentKey(OperationContext* opCtx, const CollectionPtr& coll, BSONObj const& doc) {
auto idField = doc["_id"];
BSONObj id = idField ? idField.wrap() : doc;
boost::optional<BSONObj> shardKey;
if (coll.isSharded()) {
shardKey = dotted_path_support::extractElementsBasedOnTemplate(
doc, coll.getShardKeyPattern().toBSON())
.getOwned();
}
return {std::move(id), std::move(shardKey)};
}
} // namespace mongo::repl
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