cloudstack/server/src/com/cloud/maint/UpgradeManager.java

50 lines
1.4 KiB
Java

/**
* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
*
* This software is licensed under the GNU General Public License v3 or later.
*
* It is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or any later version.
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.cloud.maint;
import com.cloud.utils.component.Manager;
/**
* Upgrade Manager manages the upgrade of agents.
*
*/
public interface UpgradeManager extends Manager {
enum State {
RequiresUpdate,
WaitingForUpdate,
UpToDate;
};
/**
* Checks if the agent requires an upgrade before it can process
* any commands.
*
* @param hostId host id.
* @param version version of the host.
* @return state of the agent.
*/
State registerForUpgrade(long hostId, String version);
/**
* @return the URL to download the new agent.
*/
// String getAgentUrl();
}