mirror of https://github.com/apache/cloudstack.git
699 lines
36 KiB
Java
Executable File
699 lines
36 KiB
Java
Executable File
/**
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* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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*
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* This software is licensed under the GNU General Public License v3 or later.
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*
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* It is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.cloud.deploy;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.ejb.Local;
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import org.apache.log4j.Logger;
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import com.cloud.agent.manager.allocator.HostAllocator;
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import com.cloud.capacity.CapacityManager;
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import com.cloud.capacity.CapacityVO;
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import com.cloud.capacity.dao.CapacityDao;
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import com.cloud.configuration.Config;
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import com.cloud.configuration.dao.ConfigurationDao;
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import com.cloud.dc.ClusterVO;
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import com.cloud.dc.DataCenter;
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import com.cloud.dc.DataCenterVO;
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import com.cloud.dc.HostPodVO;
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import com.cloud.dc.Pod;
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import com.cloud.dc.dao.ClusterDao;
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import com.cloud.dc.dao.DataCenterDao;
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import com.cloud.dc.dao.HostPodDao;
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import com.cloud.exception.InsufficientServerCapacityException;
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import com.cloud.host.Host;
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import com.cloud.host.HostVO;
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import com.cloud.host.Status;
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import com.cloud.host.dao.HostDao;
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import com.cloud.host.dao.HostDetailsDao;
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import com.cloud.hypervisor.Hypervisor.HypervisorType;
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import com.cloud.offering.ServiceOffering;
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import com.cloud.org.Cluster;
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import com.cloud.org.Grouping;
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import com.cloud.storage.DiskOfferingVO;
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import com.cloud.storage.StoragePool;
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import com.cloud.storage.StoragePoolHostVO;
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import com.cloud.storage.StoragePoolVO;
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import com.cloud.storage.Volume;
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import com.cloud.storage.VolumeVO;
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import com.cloud.storage.allocator.StoragePoolAllocator;
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import com.cloud.storage.dao.DiskOfferingDao;
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import com.cloud.storage.dao.GuestOSCategoryDao;
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import com.cloud.storage.dao.GuestOSDao;
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import com.cloud.storage.dao.StoragePoolDao;
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import com.cloud.storage.dao.StoragePoolHostDao;
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import com.cloud.storage.dao.VolumeDao;
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import com.cloud.utils.NumbersUtil;
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import com.cloud.utils.Pair;
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import com.cloud.utils.component.Adapters;
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import com.cloud.utils.component.Inject;
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import com.cloud.vm.DiskProfile;
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import com.cloud.vm.VirtualMachine;
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import com.cloud.vm.VirtualMachineProfile;
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import com.cloud.vm.dao.UserVmDao;
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import com.cloud.vm.dao.VMInstanceDao;
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@Local(value=DeploymentPlanner.class)
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public class FirstFitPlanner extends PlannerBase implements DeploymentPlanner {
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private static final Logger s_logger = Logger.getLogger(FirstFitPlanner.class);
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@Inject protected HostDao _hostDao;
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@Inject protected DataCenterDao _dcDao;
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@Inject protected HostPodDao _podDao;
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@Inject protected ClusterDao _clusterDao;
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@Inject protected HostDetailsDao _hostDetailsDao = null;
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@Inject protected GuestOSDao _guestOSDao = null;
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@Inject protected GuestOSCategoryDao _guestOSCategoryDao = null;
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@Inject protected DiskOfferingDao _diskOfferingDao;
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@Inject protected StoragePoolHostDao _poolHostDao;
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@Inject protected UserVmDao _vmDao;
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@Inject protected VMInstanceDao _vmInstanceDao;
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@Inject protected VolumeDao _volsDao;
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@Inject protected CapacityManager _capacityMgr;
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@Inject protected ConfigurationDao _configDao;
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@Inject protected StoragePoolDao _storagePoolDao;
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@Inject protected CapacityDao _capacityDao;
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@Inject(adapter=StoragePoolAllocator.class)
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protected Adapters<StoragePoolAllocator> _storagePoolAllocators;
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@Inject(adapter=HostAllocator.class)
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protected Adapters<HostAllocator> _hostAllocators;
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@Override
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public DeployDestination plan(VirtualMachineProfile<? extends VirtualMachine> vmProfile,
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DeploymentPlan plan, ExcludeList avoid)
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throws InsufficientServerCapacityException {
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String _allocationAlgorithm = _configDao.getValue(Config.VmAllocationAlgorithm.key());
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VirtualMachine vm = vmProfile.getVirtualMachine();
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ServiceOffering offering = vmProfile.getServiceOffering();
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DataCenter dc = _dcDao.findById(vm.getDataCenterIdToDeployIn());
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int cpu_requested = offering.getCpu() * offering.getSpeed();
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long ram_requested = offering.getRamSize() * 1024L * 1024L;
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String opFactor = _configDao.getValue(Config.CPUOverprovisioningFactor.key());
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float cpuOverprovisioningFactor = NumbersUtil.parseFloat(opFactor, 1);
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("In FirstFitPlanner:: plan");
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s_logger.debug("Trying to allocate a host and storage pools from dc:" + plan.getDataCenterId() + ", pod:" + plan.getPodId() + ",cluster:" + plan.getClusterId() +
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", requested cpu: " + cpu_requested + ", requested ram: " + ram_requested);
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s_logger.debug("Is ROOT volume READY (pool already allocated)?: " + (plan.getPoolId()!=null ? "Yes": "No"));
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}
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if(plan.getHostId() != null){
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Long hostIdSpecified = plan.getHostId();
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if (s_logger.isDebugEnabled()){
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s_logger.debug("DeploymentPlan has host_id specified, making no checks on this host, looks like admin test: "+hostIdSpecified);
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}
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HostVO host = _hostDao.findById(hostIdSpecified);
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if (s_logger.isDebugEnabled()) {
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if(host == null){
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s_logger.debug("The specified host cannot be found");
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}else{
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s_logger.debug("Looking for suitable pools for this host under zone: "+host.getDataCenterId() +", pod: "+ host.getPodId()+", cluster: "+ host.getClusterId());
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}
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}
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//search for storage under the zone, pod, cluster of the host.
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DataCenterDeployment lastPlan = new DataCenterDeployment(host.getDataCenterId(), host.getPodId(), host.getClusterId(), hostIdSpecified, plan.getPoolId(), null);
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Pair<Map<Volume, List<StoragePool>>, List<Volume>> result = findSuitablePoolsForVolumes(vmProfile, lastPlan, avoid, HostAllocator.RETURN_UPTO_ALL);
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Map<Volume, List<StoragePool>> suitableVolumeStoragePools = result.first();
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List<Volume> readyAndReusedVolumes = result.second();
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//choose the potential pool for this VM for this host
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if(!suitableVolumeStoragePools.isEmpty()){
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List<Host> suitableHosts = new ArrayList<Host>();
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suitableHosts.add(host);
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Pair<Host, Map<Volume, StoragePool>> potentialResources = findPotentialDeploymentResources(suitableHosts, suitableVolumeStoragePools);
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if(potentialResources != null){
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Pod pod = _podDao.findById(host.getPodId());
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Cluster cluster = _clusterDao.findById(host.getClusterId());
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Map<Volume, StoragePool> storageVolMap = potentialResources.second();
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// remove the reused vol<->pool from destination, since we don't have to prepare this volume.
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for(Volume vol : readyAndReusedVolumes){
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storageVolMap.remove(vol);
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}
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DeployDestination dest = new DeployDestination(dc, pod, cluster, host, storageVolMap);
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s_logger.debug("Returning Deployment Destination: "+ dest);
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return dest;
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}
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}
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s_logger.debug("Cannnot deploy to specified host, returning.");
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return null;
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}
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if (vm.getLastHostId() != null) {
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s_logger.debug("This VM has last host_id specified, trying to choose the same host: " +vm.getLastHostId());
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HostVO host = _hostDao.findById(vm.getLastHostId());
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if(host == null){
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s_logger.debug("The last host of this VM cannot be found");
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}else{
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if (host.getStatus() == Status.Up && host.getHostAllocationState() == Host.HostAllocationState.Enabled) {
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if(_capacityMgr.checkIfHostHasCapacity(host.getId(), cpu_requested, ram_requested, true, cpuOverprovisioningFactor, true)){
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s_logger.debug("The last host of this VM is UP and has enough capacity");
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s_logger.debug("Now checking for suitable pools under zone: "+host.getDataCenterId() +", pod: "+ host.getPodId()+", cluster: "+ host.getClusterId());
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//search for storage under the zone, pod, cluster of the last host.
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DataCenterDeployment lastPlan = new DataCenterDeployment(host.getDataCenterId(), host.getPodId(), host.getClusterId(), host.getId(), plan.getPoolId(), null);
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Pair<Map<Volume, List<StoragePool>>, List<Volume>> result = findSuitablePoolsForVolumes(vmProfile, lastPlan, avoid, HostAllocator.RETURN_UPTO_ALL);
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Map<Volume, List<StoragePool>> suitableVolumeStoragePools = result.first();
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List<Volume> readyAndReusedVolumes = result.second();
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//choose the potential pool for this VM for this host
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if(!suitableVolumeStoragePools.isEmpty()){
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List<Host> suitableHosts = new ArrayList<Host>();
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suitableHosts.add(host);
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Pair<Host, Map<Volume, StoragePool>> potentialResources = findPotentialDeploymentResources(suitableHosts, suitableVolumeStoragePools);
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if(potentialResources != null){
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Pod pod = _podDao.findById(host.getPodId());
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Cluster cluster = _clusterDao.findById(host.getClusterId());
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Map<Volume, StoragePool> storageVolMap = potentialResources.second();
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// remove the reused vol<->pool from destination, since we don't have to prepare this volume.
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for(Volume vol : readyAndReusedVolumes){
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storageVolMap.remove(vol);
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}
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DeployDestination dest = new DeployDestination(dc, pod, cluster, host, storageVolMap);
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s_logger.debug("Returning Deployment Destination: "+ dest);
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return dest;
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}
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}
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}else{
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s_logger.debug("The last host of this VM does not have enough capacity");
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}
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}else{
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s_logger.debug("The last host of this VM is not UP or is not enabled, host status is: "+host.getStatus().name() + ", host allocation state is: "+host.getHostAllocationState().name());
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}
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}
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s_logger.debug("Cannot choose the last host to deploy this VM ");
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}
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List<Long> clusterList = new ArrayList<Long>();
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if (plan.getClusterId() != null) {
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Long clusterIdSpecified = plan.getClusterId();
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s_logger.debug("Searching resources only under specified Cluster: "+ clusterIdSpecified);
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ClusterVO cluster = _clusterDao.findById(plan.getClusterId());
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if (cluster != null ){
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clusterList.add(clusterIdSpecified);
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return checkClustersforDestination(clusterList, vmProfile, plan, avoid, dc, _allocationAlgorithm);
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}else{
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s_logger.debug("The specified cluster cannot be found, returning.");
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avoid.addCluster(plan.getClusterId());
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return null;
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}
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}else if (plan.getPodId() != null) {
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//consider clusters under this pod only
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Long podIdSpecified = plan.getPodId();
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s_logger.debug("Searching resources only under specified Pod: "+ podIdSpecified);
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HostPodVO pod = _podDao.findById(podIdSpecified);
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if (pod != null) {
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//list clusters under this pod by cpu and ram capacity
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clusterList = listClustersByCapacity(podIdSpecified, cpu_requested, ram_requested, avoid, false, cpuOverprovisioningFactor);
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if(!clusterList.isEmpty()){
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if(avoid.getClustersToAvoid() != null){
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Removing from the clusterId list these clusters from avoid set: "+ avoid.getClustersToAvoid());
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}
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clusterList.removeAll(avoid.getClustersToAvoid());
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}
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List<Long> disabledClusters = listDisabledClusters(plan.getDataCenterId(), podIdSpecified);
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if(!disabledClusters.isEmpty()){
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Removing from the clusterId list these clusters that are disabled: "+ disabledClusters);
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}
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clusterList.removeAll(disabledClusters);
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}
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DeployDestination dest = checkClustersforDestination(clusterList, vmProfile, plan, avoid, dc, _allocationAlgorithm);
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if(dest == null){
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avoid.addPod(plan.getPodId());
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}
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return dest;
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}else{
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("No clusters found under this pod, having a host with enough capacity, returning.");
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}
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avoid.addPod(plan.getPodId());
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return null;
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}
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} else {
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s_logger.debug("The specified Pod cannot be found, returning.");
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avoid.addPod(plan.getPodId());
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return null;
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}
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}else{
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//consider all clusters under this zone.
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s_logger.debug("Searching all possible resources under this Zone: "+ plan.getDataCenterId());
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//list clusters under this zone by cpu and ram capacity
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List<Long> prioritizedClusterIds = listClustersByCapacity(plan.getDataCenterId(), cpu_requested, ram_requested, avoid, true, cpuOverprovisioningFactor);
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if(!prioritizedClusterIds.isEmpty()){
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if(avoid.getClustersToAvoid() != null){
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Removing from the clusterId list these clusters from avoid set: "+ avoid.getClustersToAvoid());
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}
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prioritizedClusterIds.removeAll(avoid.getClustersToAvoid());
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}
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List<Long> disabledClusters = listDisabledClusters(plan.getDataCenterId(), null);
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if(!disabledClusters.isEmpty()){
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Removing from the clusterId list these clusters that are disabled/clusters under disabled pods: "+ disabledClusters);
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}
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prioritizedClusterIds.removeAll(disabledClusters);
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}
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}else{
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("No clusters found having a host with enough capacity, returning.");
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}
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return null;
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}
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if(!prioritizedClusterIds.isEmpty()){
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boolean applyUserConcentrationPodHeuristic = Boolean.parseBoolean(_configDao.getValue(Config.UseUserConcentratedPodAllocation.key()));
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if(applyUserConcentrationPodHeuristic && vmProfile.getOwner() != null){
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//user has VMs in certain pods. - prioritize those pods first
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//UserConcentratedPod strategy
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long accountId = vmProfile.getOwner().getAccountId();
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List<Long> podIds = listPodsByUserConcentration(plan.getDataCenterId(), accountId);
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if(!podIds.isEmpty()){
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if(avoid.getPodsToAvoid() != null){
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Removing from the pod list these pods from avoid set: "+ avoid.getPodsToAvoid());
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}
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podIds.removeAll(avoid.getPodsToAvoid());
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}
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clusterList = reorderClustersByPods(prioritizedClusterIds, podIds);
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}else{
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clusterList = prioritizedClusterIds;
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}
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}else{
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clusterList = prioritizedClusterIds;
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}
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return checkClustersforDestination(clusterList, vmProfile, plan, avoid, dc, _allocationAlgorithm);
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}else{
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("No clusters found after removing disabled clusters and clusters in avoid list, returning.");
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}
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return null;
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}
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}
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}
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private List<Long> listDisabledClusters(long zoneId, Long podId){
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List<Long> disabledClusters = _clusterDao.listDisabledClusters(zoneId, podId);
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if(podId == null){
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//list all disabled clusters under this zone + clusters under any disabled pod of this zone
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List<Long> clustersWithDisabledPods = _clusterDao.listClustersWithDisabledPods(zoneId);
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disabledClusters.addAll(clustersWithDisabledPods);
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}
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return disabledClusters;
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}
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private DeployDestination checkClustersforDestination(List<Long> clusterList, VirtualMachineProfile<? extends VirtualMachine> vmProfile,
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DeploymentPlan plan, ExcludeList avoid, DataCenter dc, String _allocationAlgorithm){
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if (s_logger.isTraceEnabled()) {
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s_logger.trace("ClusterId List to consider: " + clusterList);
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}
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for(Long clusterId : clusterList){
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Cluster clusterVO = _clusterDao.findById(clusterId);
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if (clusterVO.getHypervisorType() != vmProfile.getHypervisorType()) {
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s_logger.debug("Cluster: "+clusterId + " has HyperVisorType that does not match the VM, skipping this cluster");
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avoid.addCluster(clusterVO.getId());
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continue;
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}
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s_logger.debug("Checking resources in Cluster: "+clusterId + " under Pod: "+clusterVO.getPodId());
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//search for resources(hosts and storage) under this zone, pod, cluster.
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DataCenterDeployment potentialPlan = new DataCenterDeployment(plan.getDataCenterId(), clusterVO.getPodId(), clusterVO.getId(), null, plan.getPoolId(), null);
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//find suitable hosts under this cluster, need as many hosts as we get.
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List<Host> suitableHosts = findSuitableHosts(vmProfile, potentialPlan, avoid, HostAllocator.RETURN_UPTO_ALL);
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//if found suitable hosts in this cluster, find suitable storage pools for each volume of the VM
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if(suitableHosts != null && !suitableHosts.isEmpty()){
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if (vmProfile.getHypervisorType() == HypervisorType.BareMetal) {
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Pod pod = _podDao.findById(clusterVO.getPodId());
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DeployDestination dest = new DeployDestination(dc, pod, clusterVO, suitableHosts.get(0));
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return dest;
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}
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if (_allocationAlgorithm != null && _allocationAlgorithm.equalsIgnoreCase("random")) {
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Collections.shuffle(suitableHosts);
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}
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Pair<Map<Volume, List<StoragePool>>, List<Volume>> result = findSuitablePoolsForVolumes(vmProfile, potentialPlan, avoid, StoragePoolAllocator.RETURN_UPTO_ALL);
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Map<Volume, List<StoragePool>> suitableVolumeStoragePools = result.first();
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List<Volume> readyAndReusedVolumes = result.second();
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//choose the potential host and pool for the VM
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if(!suitableVolumeStoragePools.isEmpty()){
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Pair<Host, Map<Volume, StoragePool>> potentialResources = findPotentialDeploymentResources(suitableHosts, suitableVolumeStoragePools);
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if(potentialResources != null){
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Pod pod = _podDao.findById(clusterVO.getPodId());
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Host host = _hostDao.findById(potentialResources.first().getId());
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Map<Volume, StoragePool> storageVolMap = potentialResources.second();
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// remove the reused vol<->pool from destination, since we don't have to prepare this volume.
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for(Volume vol : readyAndReusedVolumes){
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storageVolMap.remove(vol);
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}
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DeployDestination dest = new DeployDestination(dc, pod, clusterVO, host, storageVolMap );
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s_logger.debug("Returning Deployment Destination: "+ dest);
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return dest;
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}
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}else{
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s_logger.debug("No suitable storagePools found under this Cluster: "+clusterId);
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}
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}else{
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s_logger.debug("No suitable hosts found under this Cluster: "+clusterId);
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}
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avoid.addCluster(clusterVO.getId());
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}
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s_logger.debug("Could not find suitable Deployment Destination for this VM under any clusters, returning. ");
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return null;
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}
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private List<Long> reorderClustersByPods(List<Long> clusterIds, List<Long> podIds) {
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Reordering cluster list as per pods ordered by user concentration");
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}
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Map<Long, List<Long>> podClusterMap = _clusterDao.getPodClusterIdMap(clusterIds);
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if (s_logger.isTraceEnabled()) {
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s_logger.trace("Pod To cluster Map is: "+podClusterMap );
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}
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|
|
List<Long> reorderedClusters = new ArrayList<Long>();
|
|
for (Long pod : podIds){
|
|
if(podClusterMap.containsKey(pod)){
|
|
List<Long> clustersOfThisPod = podClusterMap.get(pod);
|
|
if(clustersOfThisPod != null){
|
|
for(Long clusterId : clusterIds){
|
|
if(clustersOfThisPod.contains(clusterId)){
|
|
reorderedClusters.add(clusterId);
|
|
}
|
|
}
|
|
clusterIds.removeAll(clustersOfThisPod);
|
|
}
|
|
}
|
|
}
|
|
reorderedClusters.addAll(clusterIds);
|
|
|
|
if (s_logger.isTraceEnabled()) {
|
|
s_logger.trace("Reordered cluster list: " + reorderedClusters);
|
|
}
|
|
return reorderedClusters;
|
|
}
|
|
|
|
protected List<Long> listPodsByUserConcentration(long zoneId, long accountId){
|
|
|
|
if (s_logger.isDebugEnabled()) {
|
|
s_logger.debug("Applying UserConcentratedPod heuristic for account: "+ accountId);
|
|
}
|
|
|
|
List<Long> prioritizedPods = _vmDao.listPodIdsHavingVmsforAccount(zoneId, accountId);
|
|
|
|
if (s_logger.isDebugEnabled()) {
|
|
s_logger.debug("List of pods to be considered, after applying UserConcentratedPod heuristic: "+ prioritizedPods);
|
|
}
|
|
|
|
return prioritizedPods;
|
|
}
|
|
|
|
protected List<Long> listClustersByCapacity(long id, int requiredCpu, long requiredRam, ExcludeList avoid, boolean isZone, float cpuOverprovisioningFactor){
|
|
//look at the aggregate available cpu and ram per cluster
|
|
//although an aggregate value may be false indicator that a cluster can host a vm, it will at the least eliminate those clusters which definitely cannot
|
|
|
|
//we need clusters having enough cpu AND RAM to host this particular VM and order them by aggregate cluster capacity
|
|
if (s_logger.isDebugEnabled()) {
|
|
s_logger.debug("Listing clusters in order of aggregate capacity, that have (atleast one host with) enough CPU and RAM capacity under this "+(isZone ? "Zone: " : "Pod: " )+id);
|
|
}
|
|
String capacityTypeToOrder = _configDao.getValue(Config.HostCapacityTypeToOrderClusters.key());
|
|
short capacityType = CapacityVO.CAPACITY_TYPE_CPU;
|
|
if("RAM".equalsIgnoreCase(capacityTypeToOrder)){
|
|
capacityType = CapacityVO.CAPACITY_TYPE_MEMORY;
|
|
}
|
|
|
|
if (s_logger.isDebugEnabled()) {
|
|
s_logger.debug("CPUOverprovisioningFactor considered: " + cpuOverprovisioningFactor);
|
|
}
|
|
List<Long> clusterIdswithEnoughCapacity = _capacityDao.listClustersInZoneOrPodByHostCapacities(id, requiredCpu, requiredRam, capacityType, isZone, cpuOverprovisioningFactor);
|
|
if (s_logger.isTraceEnabled()) {
|
|
s_logger.trace("ClusterId List having enough CPU and RAM capacity: " + clusterIdswithEnoughCapacity);
|
|
}
|
|
List<Long> clusterIdsOrderedByAggregateCapacity = _capacityDao.orderClustersByAggregateCapacity(id, capacityType, isZone, cpuOverprovisioningFactor);
|
|
//only keep the clusters that have enough capacity to host this VM
|
|
if (s_logger.isTraceEnabled()) {
|
|
s_logger.trace("ClusterId List in order of aggregate capacity: " + clusterIdsOrderedByAggregateCapacity);
|
|
}
|
|
clusterIdsOrderedByAggregateCapacity.retainAll(clusterIdswithEnoughCapacity);
|
|
|
|
if (s_logger.isTraceEnabled()) {
|
|
s_logger.trace("ClusterId List having enough CPU and RAM capacity & in order of aggregate capacity: " + clusterIdsOrderedByAggregateCapacity);
|
|
}
|
|
|
|
return clusterIdsOrderedByAggregateCapacity;
|
|
|
|
}
|
|
|
|
protected Pair<Host, Map<Volume, StoragePool>> findPotentialDeploymentResources(List<Host> suitableHosts, Map<Volume, List<StoragePool>> suitableVolumeStoragePools){
|
|
s_logger.debug("Trying to find a potenial host and associated storage pools from the suitable host/pool lists for this VM");
|
|
|
|
boolean hostCanAccessPool = false;
|
|
Map<Volume, StoragePool> storage = new HashMap<Volume, StoragePool>();
|
|
for(Host potentialHost : suitableHosts){
|
|
for(Volume vol : suitableVolumeStoragePools.keySet()){
|
|
s_logger.debug("Checking if host: "+potentialHost.getId() +" can access any suitable storage pool for volume: "+ vol.getVolumeType());
|
|
List<StoragePool> volumePoolList = suitableVolumeStoragePools.get(vol);
|
|
hostCanAccessPool = false;
|
|
for(StoragePool potentialSPool : volumePoolList){
|
|
if(hostCanAccessSPool(potentialHost, potentialSPool)){
|
|
storage.put(vol, potentialSPool);
|
|
hostCanAccessPool = true;
|
|
break;
|
|
}
|
|
}
|
|
if(!hostCanAccessPool){
|
|
break;
|
|
}
|
|
}
|
|
if(hostCanAccessPool){
|
|
s_logger.debug("Found a potential host " + "id: "+potentialHost.getId() + " name: " +potentialHost.getName()+ " and associated storage pools for this VM");
|
|
return new Pair<Host, Map<Volume, StoragePool>>(potentialHost, storage);
|
|
}
|
|
}
|
|
s_logger.debug("Could not find a potential host that has associated storage pools from the suitable host/pool lists for this VM");
|
|
return null;
|
|
}
|
|
|
|
protected boolean hostCanAccessSPool(Host host, StoragePool pool){
|
|
boolean hostCanAccessSPool = false;
|
|
|
|
StoragePoolHostVO hostPoolLinkage = _poolHostDao.findByPoolHost(pool.getId(), host.getId());
|
|
if(hostPoolLinkage != null){
|
|
hostCanAccessSPool = true;
|
|
}
|
|
|
|
s_logger.debug("Host: "+ host.getId() + (hostCanAccessSPool ?" can" : " cannot") + " access pool: "+ pool.getId());
|
|
return hostCanAccessSPool;
|
|
}
|
|
|
|
protected List<Host> findSuitableHosts(VirtualMachineProfile<? extends VirtualMachine> vmProfile, DeploymentPlan plan, ExcludeList avoid, int returnUpTo){
|
|
List<Host> suitableHosts = new ArrayList<Host>();
|
|
Enumeration<HostAllocator> enHost = _hostAllocators.enumeration();
|
|
s_logger.debug("Calling HostAllocators to find suitable hosts");
|
|
|
|
while (enHost.hasMoreElements()) {
|
|
final HostAllocator allocator = enHost.nextElement();
|
|
suitableHosts = allocator.allocateTo(vmProfile, plan, Host.Type.Routing, avoid, returnUpTo);
|
|
if (suitableHosts != null && !suitableHosts.isEmpty()) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(suitableHosts.isEmpty()){
|
|
s_logger.debug("No suitable hosts found");
|
|
}
|
|
return suitableHosts;
|
|
}
|
|
|
|
protected Pair<Map<Volume, List<StoragePool>>, List<Volume>> findSuitablePoolsForVolumes(VirtualMachineProfile<? extends VirtualMachine> vmProfile, DeploymentPlan plan, ExcludeList avoid, int returnUpTo){
|
|
List<VolumeVO> volumesTobeCreated = _volsDao.findUsableVolumesForInstance(vmProfile.getId());
|
|
Map<Volume, List<StoragePool>> suitableVolumeStoragePools = new HashMap<Volume, List<StoragePool>>();
|
|
List<Volume> readyAndReusedVolumes = new ArrayList<Volume>();
|
|
|
|
//for each volume find list of suitable storage pools by calling the allocators
|
|
for (VolumeVO toBeCreated : volumesTobeCreated) {
|
|
s_logger.debug("Checking suitable pools for volume (Id, Type): ("+toBeCreated.getId() +"," +toBeCreated.getVolumeType().name() + ")");
|
|
|
|
//If the plan specifies a poolId, it means that this VM's ROOT volume is ready and the pool should be reused.
|
|
//In this case, also check if rest of the volumes are ready and can be reused.
|
|
if(plan.getPoolId() != null){
|
|
if (toBeCreated.getState() == Volume.State.Ready && toBeCreated.getPoolId() != null) {
|
|
s_logger.debug("Volume is in READY state and has pool already allocated, checking if pool can be reused, poolId: "+toBeCreated.getPoolId());
|
|
List<StoragePool> suitablePools = new ArrayList<StoragePool>();
|
|
StoragePoolVO pool = _storagePoolDao.findById(toBeCreated.getPoolId());
|
|
if(!pool.isInMaintenance()){
|
|
if(!avoid.shouldAvoid(pool)){
|
|
long exstPoolDcId = pool.getDataCenterId();
|
|
|
|
long exstPoolPodId = pool.getPodId() != null ? pool.getPodId() : -1;
|
|
long exstPoolClusterId = pool.getClusterId() != null ? pool.getClusterId() : -1;
|
|
if(plan.getDataCenterId() == exstPoolDcId && plan.getPodId() == exstPoolPodId && plan.getClusterId() == exstPoolClusterId){
|
|
s_logger.debug("Planner need not allocate a pool for this volume since its READY");
|
|
suitablePools.add(pool);
|
|
suitableVolumeStoragePools.put(toBeCreated, suitablePools);
|
|
readyAndReusedVolumes.add(toBeCreated);
|
|
continue;
|
|
}else{
|
|
s_logger.debug("Pool of the volume does not fit the specified plan, need to reallocate a pool for this volume");
|
|
}
|
|
}else{
|
|
s_logger.debug("Pool of the volume is in avoid set, need to reallocate a pool for this volume");
|
|
}
|
|
}else{
|
|
s_logger.debug("Pool of the volume is in maintenance, need to reallocate a pool for this volume");
|
|
}
|
|
}
|
|
}
|
|
|
|
if(s_logger.isDebugEnabled()){
|
|
s_logger.debug("We need to allocate new storagepool for this volume");
|
|
}
|
|
if(!isEnabledForAllocation(plan.getDataCenterId(), plan.getPodId(), plan.getClusterId())){
|
|
if(s_logger.isDebugEnabled()){
|
|
s_logger.debug("Cannot allocate new storagepool for this volume in this cluster, allocation state is disabled");
|
|
s_logger.debug("Cannot deploy to this specified plan, allocation state is disabled, returning.");
|
|
}
|
|
//Cannot find suitable storage pools under this cluster for this volume since allocation_state is disabled.
|
|
//- remove any suitable pools found for other volumes.
|
|
//All volumes should get suitable pools under this cluster; else we cant use this cluster.
|
|
suitableVolumeStoragePools.clear();
|
|
break;
|
|
}
|
|
|
|
s_logger.debug("Calling StoragePoolAllocators to find suitable pools");
|
|
|
|
DiskOfferingVO diskOffering = _diskOfferingDao.findById(toBeCreated.getDiskOfferingId());
|
|
DiskProfile diskProfile = new DiskProfile(toBeCreated, diskOffering, vmProfile.getHypervisorType());
|
|
|
|
boolean useLocalStorage = false;
|
|
if (vmProfile.getType() != VirtualMachine.Type.User) {
|
|
String ssvmUseLocalStorage = _configDao.getValue(Config.SystemVMUseLocalStorage.key());
|
|
if (ssvmUseLocalStorage.equalsIgnoreCase("true")) {
|
|
useLocalStorage = true;
|
|
}
|
|
} else {
|
|
useLocalStorage = diskOffering.getUseLocalStorage();
|
|
|
|
// TODO: this is a hacking fix for the problem of deploy ISO-based VM on local storage
|
|
// when deploying VM based on ISO, we have a service offering and an additional disk offering, use-local storage flag is actually
|
|
// saved in service offering, overrde the flag from service offering when it is a ROOT disk
|
|
if(!useLocalStorage && vmProfile.getServiceOffering().getUseLocalStorage()) {
|
|
if(toBeCreated.getVolumeType() == Volume.Type.ROOT)
|
|
useLocalStorage = true;
|
|
}
|
|
}
|
|
diskProfile.setUseLocalStorage(useLocalStorage);
|
|
|
|
|
|
boolean foundPotentialPools = false;
|
|
|
|
Enumeration<StoragePoolAllocator> enPool = _storagePoolAllocators.enumeration();
|
|
while (enPool.hasMoreElements()) {
|
|
final StoragePoolAllocator allocator = enPool.nextElement();
|
|
final List<StoragePool> suitablePools = allocator.allocateToPool(diskProfile, vmProfile.getTemplate(), plan, avoid, returnUpTo);
|
|
if (suitablePools != null && !suitablePools.isEmpty()) {
|
|
suitableVolumeStoragePools.put(toBeCreated, suitablePools);
|
|
foundPotentialPools = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(!foundPotentialPools){
|
|
s_logger.debug("No suitable pools found for volume: "+toBeCreated +" under cluster: "+plan.getClusterId());
|
|
//No suitable storage pools found under this cluster for this volume. - remove any suitable pools found for other volumes.
|
|
//All volumes should get suitable pools under this cluster; else we cant use this cluster.
|
|
suitableVolumeStoragePools.clear();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(suitableVolumeStoragePools.isEmpty()){
|
|
s_logger.debug("No suitable pools found");
|
|
}
|
|
|
|
return new Pair<Map<Volume, List<StoragePool>>, List<Volume>>(suitableVolumeStoragePools, readyAndReusedVolumes);
|
|
}
|
|
|
|
|
|
@Override
|
|
public boolean check(VirtualMachineProfile<? extends VirtualMachine> vm, DeploymentPlan plan,
|
|
DeployDestination dest, ExcludeList exclude) {
|
|
// TODO Auto-generated method stub
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean canHandle(VirtualMachineProfile<? extends VirtualMachine> vm, DeploymentPlan plan, ExcludeList avoid) {
|
|
return vm.getHypervisorType() != HypervisorType.BareMetal;
|
|
}
|
|
|
|
private boolean isEnabledForAllocation(long zoneId, Long podId, Long clusterId){
|
|
// Check if the zone exists in the system
|
|
DataCenterVO zone = _dcDao.findById(zoneId);
|
|
if(zone != null && Grouping.AllocationState.Disabled == zone.getAllocationState()){
|
|
s_logger.info("Zone is currently disabled, cannot allocate to this zone: "+ zoneId);
|
|
return false;
|
|
}
|
|
|
|
Pod pod = _podDao.findById(podId);
|
|
if(pod != null && Grouping.AllocationState.Disabled == pod.getAllocationState()){
|
|
s_logger.info("Pod is currently disabled, cannot allocate to this pod: "+ podId);
|
|
return false;
|
|
}
|
|
|
|
Cluster cluster = _clusterDao.findById(clusterId);
|
|
if(cluster != null && Grouping.AllocationState.Disabled == cluster.getAllocationState()){
|
|
s_logger.info("Cluster is currently disabled, cannot allocate to this cluster: "+ clusterId);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|