| // 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.affinity; |
| |
| import java.util.List; |
| import java.util.Set; |
| import java.util.HashSet; |
| import java.util.ArrayList; |
| |
| import javax.inject.Inject; |
| |
| import com.cloud.vm.VMInstanceVO; |
| import org.apache.commons.collections.CollectionUtils; |
| import org.apache.log4j.Logger; |
| |
| import org.apache.cloudstack.affinity.dao.AffinityGroupDao; |
| import org.apache.cloudstack.affinity.dao.AffinityGroupVMMapDao; |
| |
| import com.cloud.deploy.DeployDestination; |
| import com.cloud.deploy.DeploymentPlan; |
| import com.cloud.deploy.DeploymentPlanner.ExcludeList; |
| import com.cloud.exception.AffinityConflictException; |
| import com.cloud.vm.VirtualMachine; |
| import com.cloud.vm.VirtualMachineProfile; |
| import com.cloud.vm.dao.VMInstanceDao; |
| |
| public class HostAffinityProcessor extends AffinityProcessorBase implements AffinityGroupProcessor { |
| |
| private static final Logger s_logger = Logger.getLogger(HostAffinityProcessor.class); |
| |
| @Inject |
| protected VMInstanceDao _vmInstanceDao; |
| @Inject |
| protected AffinityGroupDao _affinityGroupDao; |
| @Inject |
| protected AffinityGroupVMMapDao _affinityGroupVMMapDao; |
| |
| @Override |
| public void process(VirtualMachineProfile vmProfile, DeploymentPlan plan, ExcludeList avoid) throws AffinityConflictException { |
| VirtualMachine vm = vmProfile.getVirtualMachine(); |
| List<AffinityGroupVMMapVO> vmGroupMappings = _affinityGroupVMMapDao.findByVmIdType(vm.getId(), getType()); |
| if (CollectionUtils.isNotEmpty(vmGroupMappings)) { |
| for (AffinityGroupVMMapVO vmGroupMapping : vmGroupMappings) { |
| processAffinityGroup(vmGroupMapping, plan, vm); |
| } |
| } |
| } |
| |
| /** |
| * Process Affinity Group for VM deployment |
| */ |
| protected void processAffinityGroup(AffinityGroupVMMapVO vmGroupMapping, DeploymentPlan plan, VirtualMachine vm) { |
| AffinityGroupVO group = _affinityGroupDao.findById(vmGroupMapping.getAffinityGroupId()); |
| s_logger.debug("Processing affinity group " + group.getName() + " for VM Id: " + vm.getId()); |
| |
| List<Long> groupVMIds = _affinityGroupVMMapDao.listVmIdsByAffinityGroup(group.getId()); |
| groupVMIds.remove(vm.getId()); |
| |
| List<Long> preferredHosts = getPreferredHostsFromGroupVMIds(groupVMIds); |
| plan.setPreferredHosts(preferredHosts); |
| } |
| |
| /** |
| * Get host ids set from vm ids list |
| */ |
| protected Set<Long> getHostIdSet(List<Long> vmIds) { |
| Set<Long> hostIds = new HashSet<>(); |
| for (Long groupVMId : vmIds) { |
| VMInstanceVO groupVM = _vmInstanceDao.findById(groupVMId); |
| hostIds.add(groupVM.getHostId()); |
| } |
| return hostIds; |
| } |
| |
| /** |
| * Get preferred host ids list from the affinity group VMs |
| */ |
| protected List<Long> getPreferredHostsFromGroupVMIds(List<Long> vmIds) { |
| return new ArrayList<>(getHostIdSet(vmIds)); |
| } |
| |
| @Override |
| public boolean check(VirtualMachineProfile vmProfile, DeployDestination plannedDestination) throws AffinityConflictException { |
| if (plannedDestination.getHost() == null) { |
| return true; |
| } |
| long plannedHostId = plannedDestination.getHost().getId(); |
| VirtualMachine vm = vmProfile.getVirtualMachine(); |
| List<AffinityGroupVMMapVO> vmGroupMappings = _affinityGroupVMMapDao.findByVmIdType(vm.getId(), getType()); |
| |
| if (CollectionUtils.isNotEmpty(vmGroupMappings)) { |
| for (AffinityGroupVMMapVO vmGroupMapping : vmGroupMappings) { |
| if (!checkAffinityGroup(vmGroupMapping, vm, plannedHostId)) { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Check Affinity Group |
| */ |
| protected boolean checkAffinityGroup(AffinityGroupVMMapVO vmGroupMapping, VirtualMachine vm, long plannedHostId) { |
| List<Long> groupVMIds = _affinityGroupVMMapDao.listVmIdsByAffinityGroup(vmGroupMapping.getAffinityGroupId()); |
| groupVMIds.remove(vm.getId()); |
| |
| Set<Long> hostIds = getHostIdSet(groupVMIds); |
| return CollectionUtils.isEmpty(hostIds) || hostIds.contains(plannedHostId); |
| } |
| |
| } |