Status CatalogManagerCommon::_log(OperationContext* txn,
const StringData& logCollName,
const std::string& what,
const std::string& operationNS,
const BSONObj& detail) {
Date_t now = grid.shardRegistry()->getExecutor()->now();
const std::string hostName = grid.shardRegistry()->getNetwork()->getHostName();
const string changeId = str::stream() << hostName << "-" << now.toString() << "-" << OID::gen();
ChangeLogType changeLog;
changeLog.setChangeId(changeId);
changeLog.setServer(hostName);
changeLog.setClientAddr(txn->getClient()->clientAddress(true));
changeLog.setTime(now);
changeLog.setNS(operationNS);
changeLog.setWhat(what);
changeLog.setDetails(detail);
BSONObj changeLogBSON = changeLog.toBSON();
log() << "about to log metadata event into " << logCollName << ": " << changeLogBSON;
const NamespaceString nss("config", logCollName);
Status result = insertConfigDocument(txn, nss.ns(), changeLogBSON);
if (!result.isOK()) {
warning() << "Error encountered while logging config change with ID [" << changeId
<< "] into collection " << logCollName << ": " << result;
}
return result;
}
Status CatalogManagerReplicaSet::logChange(OperationContext* txn,
const string& clientAddress,
const string& what,
const string& ns,
const BSONObj& detail) {
if (_changeLogCollectionCreated.load() == 0) {
BSONObj createCmd = BSON("create" << ChangeLogType::ConfigNS << "capped" << true << "size"
<< kChangeLogCollectionSize);
auto result =
grid.shardRegistry()->runCommandOnConfigWithNotMasterRetries("config", createCmd);
if (!result.isOK()) {
LOG(1) << "couldn't create changelog collection: " << causedBy(result.getStatus());
return result.getStatus();
}
Status commandStatus = Command::getStatusFromCommandResult(result.getValue());
if (commandStatus.isOK() || commandStatus == ErrorCodes::NamespaceExists) {
_changeLogCollectionCreated.store(1);
} else {
LOG(1) << "couldn't create changelog collection: " << causedBy(commandStatus);
return commandStatus;
}
}
Date_t now = grid.shardRegistry()->getExecutor()->now();
const std::string hostName = grid.shardRegistry()->getNetwork()->getHostName();
const string changeId = str::stream() << hostName << "-" << now.toString() << "-" << OID::gen();
ChangeLogType changeLog;
changeLog.setChangeId(changeId);
changeLog.setServer(hostName);
changeLog.setClientAddr(clientAddress);
changeLog.setTime(now);
changeLog.setNS(ns);
changeLog.setWhat(what);
changeLog.setDetails(detail);
BSONObj changeLogBSON = changeLog.toBSON();
log() << "about to log metadata event: " << changeLogBSON;
Status result = insert(txn, ChangeLogType::ConfigNS, changeLogBSON, NULL);
if (!result.isOK()) {
warning() << "Error encountered while logging config change with ID " << changeId << ": "
<< result;
}
return result;
}
