cloudstack/server/src/com/cloud/vm/MauriceMoss.java

308 lines
12 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.vm;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.ejb.Local;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.Start2Answer;
import com.cloud.agent.api.Start2Command;
import com.cloud.agent.api.to.NicTO;
import com.cloud.agent.api.to.VirtualMachineTO;
import com.cloud.agent.api.to.VolumeTO;
import com.cloud.configuration.Config;
import com.cloud.configuration.dao.ConfigurationDao;
import com.cloud.deploy.DeployDestination;
import com.cloud.deploy.DeploymentPlan;
import com.cloud.deploy.DeploymentPlanner;
import com.cloud.exception.AgentUnavailableException;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.OperationTimedoutException;
import com.cloud.exception.StorageUnavailableException;
import com.cloud.network.NetworkConfigurationVO;
import com.cloud.network.NetworkManager;
import com.cloud.offering.ServiceOffering;
import com.cloud.service.ServiceOfferingVO;
import com.cloud.service.dao.ServiceOfferingDao;
import com.cloud.storage.DiskOfferingVO;
import com.cloud.storage.GuestOSVO;
import com.cloud.storage.Storage;
import com.cloud.storage.Storage.ImageFormat;
import com.cloud.storage.StorageManager;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.Volume.VolumeType;
import com.cloud.storage.dao.GuestOSDao;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.template.VirtualMachineTemplate.BootloaderType;
import com.cloud.user.AccountVO;
import com.cloud.utils.Journal;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.Pair;
import com.cloud.utils.component.Adapters;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.component.Inject;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.vm.VirtualMachine.Event;
import com.cloud.vm.dao.VMInstanceDao;
@Local(value=VmManager.class)
public class MauriceMoss implements VmManager {
private static final Logger s_logger = Logger.getLogger(MauriceMoss.class);
String _name;
@Inject private StorageManager _storageMgr;
@Inject private NetworkManager _networkMgr;
@Inject private AgentManager _agentMgr;
@Inject private VMInstanceDao _vmDao;
@Inject private ServiceOfferingDao _offeringDao;
@Inject private GuestOSDao _guestOsDao;
@Inject private VMTemplateDao _templateDao;
@Inject(adapter=DeploymentPlanner.class)
private Adapters<DeploymentPlanner> _planners;
private int _retry;
@Override @DB
public <T extends VMInstanceVO> VirtualMachineProfile allocate(T vm,
VMTemplateVO template,
ServiceOfferingVO serviceOffering,
Pair<? extends DiskOfferingVO, Long> rootDiskOffering,
List<Pair<DiskOfferingVO, Long>> dataDiskOfferings,
List<Pair<NetworkConfigurationVO, NicProfile>> networks,
DeploymentPlan plan,
AccountVO owner) throws InsufficientCapacityException {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Allocating entries for VM: " + vm);
}
// Determine the VM's OS description
GuestOSVO guestOS = _guestOsDao.findById(vm.getGuestOSId());
if (guestOS == null) {
throw new CloudRuntimeException("Guest OS is not set");
}
//VMInstanceVO vm = _vmDao.findById(vm.getId());
VirtualMachineProfile vmProfile = new VirtualMachineProfile(vm, serviceOffering, guestOS.getDisplayName(), template.getHypervisorType());
Transaction txn = Transaction.currentTxn();
txn.start();
vm.setDataCenterId(plan.getDataCenterId());
_vmDao.update(vm.getId(), vm);
List<NicProfile> nics = _networkMgr.allocate(vmProfile, networks);
vmProfile.setNics(nics);
if (dataDiskOfferings == null) {
dataDiskOfferings = new ArrayList<Pair<DiskOfferingVO, Long>>(0);
}
List<DiskProfile> disks = new ArrayList<DiskProfile>(dataDiskOfferings.size() + 1);
if (template.getFormat() == ImageFormat.ISO) {
disks.add(_storageMgr.allocateRawVolume(VolumeType.ROOT, "ROOT-" + vm.getId(), rootDiskOffering.first(), rootDiskOffering.second(), vm, owner));
} else {
disks.add(_storageMgr.allocateTemplatedVolume(VolumeType.ROOT, "ROOT-" + vm.getId(), rootDiskOffering.first(), template, vm, owner));
}
for (Pair<DiskOfferingVO, Long> offering : dataDiskOfferings) {
disks.add(_storageMgr.allocateRawVolume(VolumeType.DATADISK, "DATA-" + vm.getId(), offering.first(), offering.second(), vm, owner));
}
vmProfile.setDisks(disks);
_vmDao.updateIf(vm, Event.OperationSucceeded, null);
txn.commit();
if (s_logger.isDebugEnabled()) {
s_logger.debug("Allocation completed for VM: " + vm);
}
return vmProfile;
}
@Override
public <T extends VMInstanceVO> VirtualMachineProfile allocate(T vm,
VMTemplateVO template,
ServiceOfferingVO serviceOffering,
Long rootSize,
Pair<DiskOfferingVO, Long> dataDiskOffering,
List<Pair<NetworkConfigurationVO, NicProfile>> networks,
DeploymentPlan plan,
AccountVO owner) throws InsufficientCapacityException {
List<Pair<DiskOfferingVO, Long>> diskOfferings = new ArrayList<Pair<DiskOfferingVO, Long>>(1);
if (dataDiskOffering != null) {
diskOfferings.add(dataDiskOffering);
}
return allocate(vm, template, serviceOffering, new Pair<DiskOfferingVO, Long>(serviceOffering, rootSize), diskOfferings, networks, plan, owner);
}
@Override
public <T extends VMInstanceVO> VirtualMachineProfile allocate(T vm,
VMTemplateVO template,
ServiceOfferingVO serviceOffering,
List<Pair<NetworkConfigurationVO, NicProfile>> networks,
DeploymentPlan plan,
AccountVO owner) throws InsufficientCapacityException {
return allocate(vm, template, serviceOffering, new Pair<DiskOfferingVO, Long>(serviceOffering, null), null, networks, plan, owner);
}
@Override
public void destroy() {
// TODO Auto-generated method stub
}
@Override
public boolean start() {
return true;
}
@Override
public boolean stop() {
return true;
}
@Override
public boolean configure(String name, Map<String, Object> xmlParams) throws ConfigurationException {
_name = name;
ComponentLocator locator = ComponentLocator.getCurrentLocator();
ConfigurationDao configDao = locator.getDao(ConfigurationDao.class);
Map<String, String> params = configDao.getConfiguration(xmlParams);
_planners = locator.getAdapters(DeploymentPlanner.class);
_retry = NumbersUtil.parseInt(params.get(Config.StartRetry.key()), 2);
return true;
}
@Override
public String getName() {
return _name;
}
protected MauriceMoss() {
}
@Override
public <T extends VMInstanceVO> T start(T vm, DeploymentPlan plan, VirtualMachineChecker checker) throws InsufficientCapacityException, ConcurrentOperationException {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Creating actual resources for VM " + vm);
}
Journal journal = new Journal.LogJournal("Creating " + vm, s_logger);
ServiceOffering offering = _offeringDao.findById(vm.getServiceOfferingId());
VMTemplateVO template = _templateDao.findById(vm.getTemplateId());
BootloaderType bt = BootloaderType.PyGrub;
if (template.getFormat() == Storage.ImageFormat.ISO || template.isRequiresHvm()) {
bt = BootloaderType.HVM;
}
// Determine the VM's OS description
GuestOSVO guestOS = _guestOsDao.findById(vm.getGuestOSId());
if (guestOS == null) {
throw new CloudRuntimeException("Guest OS is not set");
}
VirtualMachineProfile vmProfile = new VirtualMachineProfile(vm, offering, guestOS.getDisplayName(), template.getHypervisorType());
_vmDao.updateIf(vm, Event.StartRequested, null);
Set<DeployDestination> avoids = new HashSet<DeployDestination>();
int retry = _retry;
while (retry-- != 0) { // It's != so that it can match -1.
DeployDestination dest = null;
for (DeploymentPlanner dispatcher : _planners) {
dest = dispatcher.plan(vmProfile, plan, avoids);
if (dest != null) {
avoids.add(dest);
journal.record("Deployment found ", vmProfile, dest);
break;
}
}
if (dest == null) {
throw new CloudRuntimeException("Unable to create a deployment for " + vmProfile);
}
vm.setDataCenterId(dest.getDataCenter().getId());
vm.setPodId(dest.getPod().getId());
_vmDao.updateIf(vm, Event.OperationRetry, dest.getHost().getId());
VirtualMachineTO vmTO = new VirtualMachineTO(vmProfile, bt);
VolumeTO[] volumes = null;
try {
volumes = _storageMgr.prepare(vmProfile, dest);
} catch (ConcurrentOperationException e) {
throw e;
} catch (StorageUnavailableException e) {
s_logger.warn("Unable to contact storage.", e);
continue;
}
NicTO[] nics = _networkMgr.prepare(vmProfile, dest);
vmTO.setNics(nics);
vmTO.setDisks(volumes);
if (checker != null) {
checker.finalizeDeployment(vmTO, vmProfile, dest);
}
Start2Command cmd = new Start2Command(vmTO);
try {
Start2Answer answer = (Start2Answer)_agentMgr.send(dest.getHost().getId(), cmd);
if (answer.getResult()) {
if (!_vmDao.updateIf(vm, Event.OperationSucceeded, dest.getHost().getId())) {
throw new CloudRuntimeException("Unable to transition to a new state.");
}
return vm;
}
s_logger.info("Unable to start VM on " + dest.getHost() + " due to " + answer.getDetails());
} catch (AgentUnavailableException e) {
s_logger.debug("Unable to send the start command to host " + dest.getHost());
continue;
} catch (OperationTimedoutException e) {
s_logger.debug("Unable to send the start command to host " + dest.getHost());
continue;
}
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Creation complete for VM " + vmProfile);
}
return null;
}
@Override
public <T extends VMInstanceVO> T stop(T vm) throws AgentUnavailableException {
// TODO Auto-generated method stub
return null;
}
}