// 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.Map; import javax.inject.Inject; import javax.naming.ConfigurationException; import org.apache.log4j.Logger; import org.apache.cloudstack.affinity.dao.AffinityGroupDao; import org.apache.cloudstack.affinity.dao.AffinityGroupVMMapDao; import org.apache.cloudstack.engine.cloud.entity.api.db.VMReservationVO; import org.apache.cloudstack.engine.cloud.entity.api.db.dao.VMReservationDao; import org.apache.cloudstack.framework.config.dao.ConfigurationDao; import com.cloud.configuration.Config; import com.cloud.deploy.DeployDestination; import com.cloud.deploy.DeploymentPlan; import com.cloud.deploy.DeploymentPlanner.ExcludeList; import com.cloud.exception.AffinityConflictException; import com.cloud.utils.DateUtil; import com.cloud.utils.NumbersUtil; import com.cloud.vm.VMInstanceVO; import com.cloud.vm.VirtualMachine; import com.cloud.vm.VirtualMachineProfile; import com.cloud.vm.dao.UserVmDao; import com.cloud.vm.dao.VMInstanceDao; public class HostAntiAffinityProcessor extends AffinityProcessorBase implements AffinityGroupProcessor { private static final Logger s_logger = Logger.getLogger(HostAntiAffinityProcessor.class); @Inject protected UserVmDao _vmDao; @Inject protected VMInstanceDao _vmInstanceDao; @Inject protected AffinityGroupDao _affinityGroupDao; @Inject protected AffinityGroupVMMapDao _affinityGroupVMMapDao; private int _vmCapacityReleaseInterval; @Inject protected ConfigurationDao _configDao; @Inject protected VMReservationDao _reservationDao; @Override public void process(VirtualMachineProfile vmProfile, DeploymentPlan plan, ExcludeList avoid) throws AffinityConflictException { VirtualMachine vm = vmProfile.getVirtualMachine(); List<AffinityGroupVMMapVO> vmGroupMappings = _affinityGroupVMMapDao.findByVmIdType(vm.getId(), getType()); for (AffinityGroupVMMapVO vmGroupMapping : vmGroupMappings) { if (vmGroupMapping != null) { AffinityGroupVO group = _affinityGroupDao.findById(vmGroupMapping.getAffinityGroupId()); if (s_logger.isDebugEnabled()) { s_logger.debug("Processing affinity group " + group.getName() + " for VM Id: " + vm.getId()); } List<Long> groupVMIds = _affinityGroupVMMapDao.listVmIdsByAffinityGroup(group.getId()); groupVMIds.remove(vm.getId()); for (Long groupVMId : groupVMIds) { VMInstanceVO groupVM = _vmInstanceDao.findById(groupVMId); if (groupVM != null && !groupVM.isRemoved()) { if (groupVM.getHostId() != null) { avoid.addHost(groupVM.getHostId()); if (s_logger.isDebugEnabled()) { s_logger.debug("Added host " + groupVM.getHostId() + " to avoid set, since VM " + groupVM.getId() + " is present on the host"); } } else if (VirtualMachine.State.Stopped.equals(groupVM.getState()) && groupVM.getLastHostId() != null) { long secondsSinceLastUpdate = (DateUtil.currentGMTTime().getTime() - groupVM.getUpdateTime().getTime()) / 1000; if (secondsSinceLastUpdate < _vmCapacityReleaseInterval) { avoid.addHost(groupVM.getLastHostId()); if (s_logger.isDebugEnabled()) { s_logger.debug("Added host " + groupVM.getLastHostId() + " to avoid set, since VM " + groupVM.getId() + " is present on the host, in Stopped state but has reserved capacity"); } } } } } } } } @Override public boolean configure(final String name, final Map<String, Object> params) throws ConfigurationException { super.configure(name, params); _vmCapacityReleaseInterval = NumbersUtil.parseInt(_configDao.getValue(Config.CapacitySkipcountingHours.key()), 3600); return true; } @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()); for (AffinityGroupVMMapVO vmGroupMapping : vmGroupMappings) { // if more than 1 VM's are present in the group then check for // conflict due to parallel deployment List<Long> groupVMIds = _affinityGroupVMMapDao.listVmIdsByAffinityGroup(vmGroupMapping.getAffinityGroupId()); groupVMIds.remove(vm.getId()); for (Long groupVMId : groupVMIds) { VMReservationVO vmReservation = _reservationDao.findByVmId(groupVMId); if (vmReservation != null && vmReservation.getHostId() != null && vmReservation.getHostId().equals(plannedHostId)) { if (s_logger.isDebugEnabled()) { s_logger.debug("Planned destination for VM " + vm.getId() + " conflicts with an existing VM " + vmReservation.getVmId() + " reserved on the same host " + plannedHostId); } return false; } } } return true; } }