mirror of https://github.com/apache/cloudstack.git
71 lines
2.5 KiB
Java
71 lines
2.5 KiB
Java
/**
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* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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*
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* This software is licensed under the GNU General Public License v3 or later.
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*
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* It is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.cloud.ha;
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import javax.ejb.Local;
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import org.apache.log4j.Logger;
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import com.cloud.agent.AgentManager;
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import com.cloud.agent.api.CheckVirtualMachineAnswer;
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import com.cloud.agent.api.CheckVirtualMachineCommand;
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import com.cloud.exception.AgentUnavailableException;
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import com.cloud.exception.OperationTimedoutException;
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import com.cloud.host.HostVO;
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import com.cloud.host.Status;
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import com.cloud.utils.component.AdapterBase;
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import com.cloud.utils.component.Inject;
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import com.cloud.vm.VMInstanceVO;
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import com.cloud.vm.VirtualMachine.State;
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@Local(value=Investigator.class)
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public class CheckOnAgentInvestigator extends AdapterBase implements Investigator {
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private final static Logger s_logger = Logger.getLogger(CheckOnAgentInvestigator.class);
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@Inject AgentManager _agentMgr;
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protected CheckOnAgentInvestigator() {
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}
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@Override
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public Status isAgentAlive(HostVO agent) {
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return null;
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}
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@Override
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public Boolean isVmAlive(VMInstanceVO vm, HostVO host) {
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CheckVirtualMachineCommand cmd = new CheckVirtualMachineCommand(vm.getInstanceName());
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try {
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CheckVirtualMachineAnswer answer = (CheckVirtualMachineAnswer)_agentMgr.send(vm.getHostId(), cmd);
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if (!answer.getResult()) {
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s_logger.debug("Unable to get vm state on " + vm.toString());
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return null;
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}
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s_logger.debug("Agent responded with state " + answer.getState().toString());
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return answer.getState() == State.Running;
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} catch (AgentUnavailableException e) {
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s_logger.debug("Unable to reach the agent for " + vm.toString() + ": " + e.getMessage());
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return null;
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} catch (OperationTimedoutException e) {
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s_logger.debug("Operation timed out for " + vm.toString() + ": " + e.getMessage());
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return null;
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}
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}
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}
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