| /* |
| * 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 org.apache.cloudstack.storage.helper; |
| |
| import java.util.List; |
| import java.util.UUID; |
| |
| import javax.inject.Inject; |
| |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.LogManager; |
| |
| import org.apache.cloudstack.engine.subsystem.api.storage.EndPoint; |
| import org.apache.cloudstack.engine.subsystem.api.storage.EndPointSelector; |
| import org.apache.cloudstack.engine.subsystem.api.storage.Scope; |
| import org.apache.cloudstack.framework.config.dao.ConfigurationDao; |
| import org.apache.cloudstack.storage.command.ForgetObjectCmd; |
| import org.apache.cloudstack.storage.command.IntroduceObjectAnswer; |
| import org.apache.cloudstack.storage.command.IntroduceObjectCmd; |
| import org.apache.cloudstack.storage.to.VolumeObjectTO; |
| import org.apache.cloudstack.storage.vmsnapshot.VMSnapshotHelper; |
| |
| import com.cloud.agent.AgentManager; |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.CreateVMSnapshotAnswer; |
| import com.cloud.agent.api.CreateVMSnapshotCommand; |
| import com.cloud.agent.api.DeleteVMSnapshotCommand; |
| import com.cloud.agent.api.VMSnapshotTO; |
| import com.cloud.agent.api.to.DataTO; |
| import com.cloud.exception.AgentUnavailableException; |
| import com.cloud.exception.OperationTimedoutException; |
| import com.cloud.host.HostVO; |
| import com.cloud.host.dao.HostDao; |
| import com.cloud.storage.GuestOSHypervisorVO; |
| import com.cloud.storage.GuestOSVO; |
| import com.cloud.storage.dao.GuestOSDao; |
| import com.cloud.storage.dao.GuestOSHypervisorDao; |
| import com.cloud.utils.NumbersUtil; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import com.cloud.vm.VirtualMachine; |
| import com.cloud.vm.snapshot.VMSnapshot; |
| |
| public class HypervisorHelperImpl implements HypervisorHelper { |
| protected Logger logger = LogManager.getLogger(getClass()); |
| @Inject |
| EndPointSelector selector; |
| @Inject |
| VMSnapshotHelper vmSnapshotHelper; |
| @Inject |
| GuestOSDao guestOSDao; |
| @Inject |
| GuestOSHypervisorDao guestOsHypervisorDao; |
| @Inject |
| ConfigurationDao configurationDao; |
| @Inject |
| AgentManager agentMgr; |
| @Inject |
| HostDao hostDao; |
| |
| @Override |
| public DataTO introduceObject(DataTO object, Scope scope, Long storeId) { |
| EndPoint ep = selector.select(scope, storeId); |
| IntroduceObjectCmd cmd = new IntroduceObjectCmd(object); |
| Answer answer = null; |
| if (ep == null) { |
| String errMsg = "No remote endpoint to send command, check if host or ssvm is down?"; |
| logger.error(errMsg); |
| answer = new Answer(cmd, false, errMsg); |
| } else { |
| answer = ep.sendMessage(cmd); |
| } |
| if (answer == null || !answer.getResult()) { |
| String errMsg = answer == null ? null : answer.getDetails(); |
| throw new CloudRuntimeException("Failed to introduce object, due to " + errMsg); |
| } |
| IntroduceObjectAnswer introduceObjectAnswer = (IntroduceObjectAnswer)answer; |
| return introduceObjectAnswer.getDataTO(); |
| } |
| |
| @Override |
| public boolean forgetObject(DataTO object, Scope scope, Long storeId) { |
| EndPoint ep = selector.select(scope, storeId); |
| ForgetObjectCmd cmd = new ForgetObjectCmd(object); |
| Answer answer = null; |
| if (ep == null) { |
| String errMsg = "No remote endpoint to send command, check if host or ssvm is down?"; |
| logger.error(errMsg); |
| answer = new Answer(cmd, false, errMsg); |
| } else { |
| answer = ep.sendMessage(cmd); |
| } |
| if (answer == null || !answer.getResult()) { |
| String errMsg = answer == null ? null : answer.getDetails(); |
| if (errMsg != null) { |
| logger.debug("Failed to forget object: " + errMsg); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public VMSnapshotTO quiesceVm(VirtualMachine virtualMachine) { |
| String value = configurationDao.getValue("vmsnapshot.create.wait"); |
| int wait = NumbersUtil.parseInt(value, 1800); |
| Long hostId = vmSnapshotHelper.pickRunningHost(virtualMachine.getId()); |
| VMSnapshotTO vmSnapshotTO = new VMSnapshotTO(1L, UUID.randomUUID().toString(), VMSnapshot.Type.Disk, null, null, false, |
| null, true); |
| GuestOSVO guestOS = guestOSDao.findById(virtualMachine.getGuestOSId()); |
| List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(virtualMachine.getId()); |
| CreateVMSnapshotCommand ccmd = |
| new CreateVMSnapshotCommand(virtualMachine.getInstanceName(), virtualMachine.getUuid(), vmSnapshotTO, volumeTOs, guestOS.getDisplayName()); |
| HostVO host = hostDao.findById(hostId); |
| GuestOSHypervisorVO guestOsMapping = guestOsHypervisorDao.findByOsIdAndHypervisor(guestOS.getId(), host.getHypervisorType().toString(), host.getHypervisorVersion()); |
| ccmd.setPlatformEmulator(guestOsMapping.getGuestOsName()); |
| ccmd.setWait(wait); |
| try { |
| Answer answer = agentMgr.send(hostId, ccmd); |
| if (answer != null && answer.getResult()) { |
| CreateVMSnapshotAnswer snapshotAnswer = (CreateVMSnapshotAnswer)answer; |
| vmSnapshotTO.setVolumes(snapshotAnswer.getVolumeTOs()); |
| } else { |
| String errMsg = (answer != null) ? answer.getDetails() : null; |
| throw new CloudRuntimeException("Failed to quiesce vm, due to " + errMsg); |
| } |
| } catch (AgentUnavailableException e) { |
| throw new CloudRuntimeException("Failed to quiesce vm", e); |
| } catch (OperationTimedoutException e) { |
| throw new CloudRuntimeException("Failed to quiesce vm", e); |
| } |
| return vmSnapshotTO; |
| } |
| |
| @Override |
| public boolean unquiesceVM(VirtualMachine virtualMachine, VMSnapshotTO vmSnapshotTO) { |
| Long hostId = vmSnapshotHelper.pickRunningHost(virtualMachine.getId()); |
| List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(virtualMachine.getId()); |
| GuestOSVO guestOS = guestOSDao.findById(virtualMachine.getGuestOSId()); |
| |
| DeleteVMSnapshotCommand deleteSnapshotCommand = new DeleteVMSnapshotCommand(virtualMachine.getInstanceName(), vmSnapshotTO, volumeTOs, guestOS.getDisplayName()); |
| try { |
| Answer answer = agentMgr.send(hostId, deleteSnapshotCommand); |
| if (answer != null && answer.getResult()) { |
| return true; |
| } else { |
| String errMsg = (answer != null) ? answer.getDetails() : null; |
| throw new CloudRuntimeException("Failed to unquiesce vm, due to " + errMsg); |
| } |
| } catch (AgentUnavailableException e) { |
| throw new CloudRuntimeException("Failed to unquiesce vm", e); |
| } catch (OperationTimedoutException e) { |
| throw new CloudRuntimeException("Failed to unquiesce vm", e); |
| } |
| } |
| } |