mirror of https://github.com/apache/cloudstack.git
66 lines
2.4 KiB
Java
66 lines
2.4 KiB
Java
// Copyright 2012 Citrix Systems, Inc. Licensed under the
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// Apache License, Version 2.0 (the "License"); you may not use this
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// file except in compliance with the License. Citrix Systems, Inc.
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// reserves all rights not expressly granted by the License.
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// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Automatically generated by addcopyright.py at 04/03/2012
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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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