| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| |
| package com.cloud.hypervisor.xenserver.resource.wrapper.xen56p1; |
| |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.log4j.Logger; |
| import org.apache.xmlrpc.XmlRpcException; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.FenceAnswer; |
| import com.cloud.agent.api.FenceCommand; |
| import com.cloud.hypervisor.xenserver.resource.XenServer56Resource; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.xensource.xenapi.Connection; |
| import com.xensource.xenapi.Types.XenAPIException; |
| import com.xensource.xenapi.VBD; |
| import com.xensource.xenapi.VDI; |
| import com.xensource.xenapi.VM; |
| |
| @ResourceWrapper(handles = FenceCommand.class) |
| public final class XenServer56FP1FenceCommandWrapper extends CommandWrapper<FenceCommand, Answer, XenServer56Resource> { |
| |
| private static final Logger s_logger = Logger.getLogger(XenServer56FP1FenceCommandWrapper.class); |
| |
| @Override |
| public Answer execute(final FenceCommand command, final XenServer56Resource xenServer56) { |
| final Connection conn = xenServer56.getConnection(); |
| try { |
| final Boolean alive = xenServer56.checkHeartbeat(command.getHostGuid()); |
| if ( alive == null ) { |
| s_logger.debug("Failed to check heartbeat, so unable to fence"); |
| return new FenceAnswer(command, false, "Failed to check heartbeat, so unable to fence"); |
| } |
| if ( alive ) { |
| s_logger.debug("Heart beat is still going so unable to fence"); |
| return new FenceAnswer(command, false, "Heartbeat is still going on unable to fence"); |
| } |
| final Set<VM> vms = VM.getByNameLabel(conn, command.getVmName()); |
| for (final VM vm : vms) { |
| final Set<VDI> vdis = new HashSet<VDI>(); |
| final Set<VBD> vbds = vm.getVBDs(conn); |
| for (final VBD vbd : vbds) { |
| final VDI vdi = vbd.getVDI(conn); |
| if (!xenServer56.isRefNull(vdi)) { |
| vdis.add(vdi); |
| } |
| } |
| s_logger.info("Fence command for VM " + command.getVmName()); |
| vm.powerStateReset(conn); |
| vm.destroy(conn); |
| for (final VDI vdi : vdis) { |
| final Map<String, String> smConfig = vdi.getSmConfig(conn); |
| for (final String key : smConfig.keySet()) { |
| if (key.startsWith("host_")) { |
| vdi.removeFromSmConfig(conn, key); |
| break; |
| } |
| } |
| } |
| } |
| return new FenceAnswer(command); |
| } catch (final XmlRpcException e) { |
| s_logger.warn("Unable to fence", e); |
| return new FenceAnswer(command, false, e.getMessage()); |
| } catch (final XenAPIException e) { |
| s_logger.warn("Unable to fence", e); |
| return new FenceAnswer(command, false, e.getMessage()); |
| } catch (final Exception e) { |
| s_logger.warn("Unable to fence", e); |
| return new FenceAnswer(command, false, e.getMessage()); |
| } |
| } |
| } |