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/**
* Copyright (C) 2013 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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 <string>
#include "mongo/bson/util/bson_extract.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/resource_pattern.h"
#include "mongo/db/commands.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/op_observer.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/repl/oplog.h"
#include "mongo/db/repl/replication_coordinator_global.h"
#include "mongo/db/service_context.h"
namespace mongo {
using std::string;
using std::stringstream;
class AppendOplogNoteCmd : public Command {
public:
AppendOplogNoteCmd() : Command("appendOplogNote") {}
virtual bool slaveOk() const {
return false;
}
virtual bool adminOnly() const {
return true;
}
virtual bool supportsWriteConcern(const BSONObj& cmd) const override {
return true;
}
virtual void help(stringstream& help) const {
help << "Adds a no-op entry to the oplog";
}
virtual Status checkAuthForCommand(Client* client,
const std::string& dbname,
const BSONObj& cmdObj) {
if (!AuthorizationSession::get(client)->isAuthorizedForActionsOnResource(
ResourcePattern::forClusterResource(), ActionType::appendOplogNote)) {
return Status(ErrorCodes::Unauthorized, "Unauthorized");
}
return Status::OK();
}
virtual bool run(OperationContext* opCtx,
const string& dbname,
BSONObj& cmdObj,
int,
string& errmsg,
BSONObjBuilder& result) {
if (!repl::getGlobalReplicationCoordinator()->isReplEnabled()) {
return appendCommandStatus(
result,
Status(ErrorCodes::NoReplicationEnabled,
"Must have replication set up to run \"appendOplogNote\""));
}
BSONElement dataElement;
Status status = bsonExtractTypedField(cmdObj, "data", Object, &dataElement);
if (!status.isOK()) {
return appendCommandStatus(result, status);
}
ScopedTransaction scopedXact(opCtx, MODE_X);
Lock::GlobalWrite globalWrite(opCtx->lockState());
WriteUnitOfWork wuow(opCtx);
getGlobalServiceContext()->getOpObserver()->onOpMessage(opCtx, dataElement.Obj());
wuow.commit();
return true;
}
} appendOplogNoteCmd;
} // namespace mongo
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