OpTime ReplicationCoordinatorExternalStateImpl::onTransitionToPrimary(OperationContext* txn,
bool isV1ElectionProtocol) {
invariant(txn->lockState()->isW());
// Clear the appliedThrough marker so on startup we'll use the top of the oplog. This must be
// done before we add anything to our oplog.
invariant(_storageInterface->getOplogDeleteFromPoint(txn).isNull());
_storageInterface->setAppliedThrough(txn, {});
if (isV1ElectionProtocol) {
MONGO_WRITE_CONFLICT_RETRY_LOOP_BEGIN {
ScopedTransaction scopedXact(txn, MODE_X);
WriteUnitOfWork wuow(txn);
txn->getClient()->getServiceContext()->getOpObserver()->onOpMessage(
txn,
BSON("msg"
<< "new primary"));
wuow.commit();
}
MONGO_WRITE_CONFLICT_RETRY_LOOP_END(
txn, "logging transition to primary to oplog", "local.oplog.rs");
}
const auto opTimeToReturn = fassertStatusOK(28665, loadLastOpTime(txn));
_shardingOnTransitionToPrimaryHook(txn);
_dropAllTempCollections(txn);
return opTimeToReturn;
}
OpTime ReplicationCoordinatorExternalStateImpl::onTransitionToPrimary(OperationContext* opCtx,
bool isV1ElectionProtocol) {
invariant(opCtx->lockState()->isW());
// Clear the appliedThrough marker so on startup we'll use the top of the oplog. This must be
// done before we add anything to our oplog.
// We record this update at the 'lastAppliedOpTime'. If there are any outstanding
// checkpoints being taken, they should only reflect this write if they see all writes up
// to our 'lastAppliedOpTime'.
invariant(
_replicationProcess->getConsistencyMarkers()->getOplogTruncateAfterPoint(opCtx).isNull());
auto lastAppliedOpTime = repl::ReplicationCoordinator::get(opCtx)->getMyLastAppliedOpTime();
_replicationProcess->getConsistencyMarkers()->clearAppliedThrough(
opCtx, lastAppliedOpTime.getTimestamp());
if (isV1ElectionProtocol) {
writeConflictRetry(opCtx, "logging transition to primary to oplog", "local.oplog.rs", [&] {
WriteUnitOfWork wuow(opCtx);
opCtx->getClient()->getServiceContext()->getOpObserver()->onOpMessage(
opCtx,
BSON("msg"
<< "new primary"));
wuow.commit();
});
}
const auto opTimeToReturn = fassertStatusOK(28665, loadLastOpTime(opCtx));
_shardingOnTransitionToPrimaryHook(opCtx);
_dropAllTempCollections(opCtx);
serverGlobalParams.validateFeaturesAsMaster.store(true);
return opTimeToReturn;
}
