cloudstack/server/src/com/cloud/ha/Investigator.java
2010-11-22 07:40:41 -08:00

36 lines
1.2 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.ha;
import com.cloud.host.HostVO;
import com.cloud.host.Status;
import com.cloud.utils.component.Adapter;
import com.cloud.vm.VMInstanceVO;
public interface Investigator extends Adapter {
/**
* Returns if the vm is still alive.
*
* @param vm to work on.
* @return null if not sure. true if sure it is alive. false if sure it is not.
*/
public Boolean isVmAlive(VMInstanceVO vm, HostVO host);
public Status isAgentAlive(HostVO agent);
}