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/**
* Copyright (C) 2012 10gen 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.
*/
/**
* Client utilities for upgrade processes, useful operations for safe configuration upgrades.
*
* These are not very general purpose, however, so are not in the general cluster utilities
* libraries.
*/
#pragma once
#include <string>
namespace mongo {
class CatalogManager;
class ConnectionString;
class OID;
class Status;
class VersionType;
/**
* Checks whether an unsuccessful upgrade was performed last time and also checks whether
* the mongos in the current cluster have the mimimum version required. Returns not ok if
* the check failed and the upgrade should not proceed.
*
* Note: There is also a special case for ManualInterventionRequired error where the
* message will be empty.
*/
Status preUpgradeCheck(CatalogManager* catalogManager,
const VersionType& lastVersionInfo,
std::string minMongosVersion);
/**
* Informs the config server that the upgrade task was completed by bumping the version.
* This also clears all upgrade state effectively leaving the critical section if the
* upgrade process did enter it.
*/
Status commitConfigUpgrade(CatalogManager* catalogManager,
int currentVersion,
int minCompatibleVersion,
int newVersion);
} // namespace mongo
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