// 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 com.cloud.capacity;
import java.net.URI;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import javax.inject.Inject;
import javax.naming.ConfigurationException;
import com.cloud.resource.ResourceState;
import com.cloud.utils.fsm.StateMachine2;
import org.apache.log4j.Logger;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreDriver;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreProvider;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreProviderManager;
import org.apache.cloudstack.engine.subsystem.api.storage.PrimaryDataStoreDriver;
import org.apache.cloudstack.framework.config.ConfigDepot;
import org.apache.cloudstack.framework.config.ConfigKey;
import org.apache.cloudstack.framework.config.Configurable;
import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
import org.apache.cloudstack.framework.messagebus.MessageBus;
import org.apache.cloudstack.framework.messagebus.PublishScope;
import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
import com.cloud.agent.AgentManager;
import com.cloud.agent.Listener;
import com.cloud.agent.api.AgentControlAnswer;
import com.cloud.agent.api.AgentControlCommand;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupRoutingCommand;
import com.cloud.capacity.dao.CapacityDao;
import com.cloud.configuration.Config;
import com.cloud.configuration.ConfigurationManager;
import com.cloud.dc.ClusterDetailsDao;
import com.cloud.dc.ClusterDetailsVO;
import com.cloud.dc.ClusterVO;
import com.cloud.dc.dao.ClusterDao;
import com.cloud.deploy.DeploymentClusterPlanner;
import com.cloud.event.UsageEventVO;
import com.cloud.exception.ConnectionException;
import com.cloud.host.Host;
import com.cloud.host.HostVO;
import com.cloud.host.Status;
import com.cloud.host.dao.HostDao;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.hypervisor.dao.HypervisorCapabilitiesDao;
import com.cloud.offering.ServiceOffering;
import com.cloud.resource.ResourceListener;
import com.cloud.resource.ResourceManager;
import com.cloud.resource.ServerResource;
import com.cloud.service.ServiceOfferingVO;
import com.cloud.service.dao.ServiceOfferingDao;
import com.cloud.storage.StorageManager;
import com.cloud.storage.VMTemplateStoragePoolVO;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.dao.VMTemplatePoolDao;
import com.cloud.storage.dao.VolumeDao;
import com.cloud.utils.DateUtil;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.Pair;
import com.cloud.utils.component.ManagerBase;
import com.cloud.utils.concurrency.NamedThreadFactory;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.db.TransactionCallbackNoReturn;
import com.cloud.utils.db.TransactionStatus;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.fsm.StateListener;
import com.cloud.vm.UserVmDetailVO;
import com.cloud.vm.UserVmVO;
import com.cloud.vm.VMInstanceVO;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.VirtualMachine.Event;
import com.cloud.vm.VirtualMachine.State;
import com.cloud.vm.dao.UserVmDao;
import com.cloud.vm.dao.UserVmDetailsDao;
import com.cloud.vm.dao.VMInstanceDao;
import com.cloud.vm.snapshot.dao.VMSnapshotDao;
public class CapacityManagerImpl extends ManagerBase implements CapacityManager, StateListener<State, VirtualMachine.Event, VirtualMachine>, Listener, ResourceListener,
Configurable {
private static final Logger s_logger = Logger.getLogger(CapacityManagerImpl.class);
@Inject
CapacityDao _capacityDao;
@Inject
ConfigurationDao _configDao;
@Inject
ServiceOfferingDao _offeringsDao;
@Inject
HostDao _hostDao;
@Inject
VMInstanceDao _vmDao;
@Inject
VolumeDao _volumeDao;
@Inject
VMTemplatePoolDao _templatePoolDao;
@Inject
AgentManager _agentManager;
@Inject
ResourceManager _resourceMgr;
@Inject
StorageManager _storageMgr;
@Inject
ConfigurationManager _configMgr;
@Inject
HypervisorCapabilitiesDao _hypervisorCapabilitiesDao;
@Inject
protected VMSnapshotDao _vmSnapshotDao;
@Inject
protected UserVmDao _userVMDao;
@Inject
protected UserVmDetailsDao _userVmDetailsDao;
@Inject
ClusterDao _clusterDao;
@Inject
ConfigDepot _configDepot;
@Inject
DataStoreProviderManager _dataStoreProviderMgr;
@Inject
ClusterDetailsDao _clusterDetailsDao;
private int _vmCapacityReleaseInterval;
private ScheduledExecutorService _executor;
long _extraBytesPerVolume = 0;
@Inject
MessageBus _messageBus;
private static final String MESSAGE_RESERVED_CAPACITY_FREED_FLAG = "Message.ReservedCapacityFreed.Flag";
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
_vmCapacityReleaseInterval = NumbersUtil.parseInt(_configDao.getValue(Config.CapacitySkipcountingHours.key()), 3600);
_executor = Executors.newScheduledThreadPool(1, new NamedThreadFactory("HostCapacity-Checker"));
VirtualMachine.State.getStateMachine().registerListener(this);
_agentManager.registerForHostEvents(new StorageCapacityListener(_capacityDao, _storageMgr), true, false, false);
_agentManager.registerForHostEvents(new ComputeCapacityListener(_capacityDao, this), true, false, false);
return true;
}
@Override
public boolean start() {
_resourceMgr.registerResourceEvent(ResourceListener.EVENT_PREPARE_MAINTENANCE_AFTER, this);
_resourceMgr.registerResourceEvent(ResourceListener.EVENT_CANCEL_MAINTENANCE_AFTER, this);
return true;
}
@Override
public boolean stop() {
_executor.shutdownNow();
return true;
}
@DB
@Override
public boolean releaseVmCapacity(VirtualMachine vm, final boolean moveFromReserved, final boolean moveToReservered, final Long hostId) {
if (hostId == null) {
return true;
}
final ServiceOfferingVO svo = _offeringsDao.findById(vm.getId(), vm.getServiceOfferingId());
CapacityVO capacityCpu = _capacityDao.findByHostIdType(hostId, Capacity.CAPACITY_TYPE_CPU);
CapacityVO capacityMemory = _capacityDao.findByHostIdType(hostId, Capacity.CAPACITY_TYPE_MEMORY);
Long clusterId = null;
if (hostId != null) {
HostVO host = _hostDao.findById(hostId);
if (host == null) {
s_logger.warn("Host " + hostId + " no long exist anymore!");
return true;
}
clusterId = host.getClusterId();
}
if (capacityCpu == null || capacityMemory == null || svo == null) {
return false;
}
try {
final Long clusterIdFinal = clusterId;
final long capacityCpuId = capacityCpu.getId();
final long capacityMemoryId = capacityMemory.getId();
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) {
CapacityVO capacityCpu = _capacityDao.lockRow(capacityCpuId, true);
CapacityVO capacityMemory = _capacityDao.lockRow(capacityMemoryId, true);
long usedCpu = capacityCpu.getUsedCapacity();
long usedMem = capacityMemory.getUsedCapacity();
long reservedCpu = capacityCpu.getReservedCapacity();
long reservedMem = capacityMemory.getReservedCapacity();
long actualTotalCpu = capacityCpu.getTotalCapacity();
float cpuOvercommitRatio = Float.parseFloat(_clusterDetailsDao.findDetail(clusterIdFinal, "cpuOvercommitRatio").getValue());
float memoryOvercommitRatio = Float.parseFloat(_clusterDetailsDao.findDetail(clusterIdFinal, "memoryOvercommitRatio").getValue());
int vmCPU = svo.getCpu() * svo.getSpeed();
long vmMem = svo.getRamSize() * 1024L * 1024L;
long actualTotalMem = capacityMemory.getTotalCapacity();
long totalMem = (long)(actualTotalMem * memoryOvercommitRatio);
long totalCpu = (long)(actualTotalCpu * cpuOvercommitRatio);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Hosts's actual total CPU: " + actualTotalCpu + " and CPU after applying overprovisioning: " + totalCpu);
s_logger.debug("Hosts's actual total RAM: " + actualTotalMem + " and RAM after applying overprovisioning: " + totalMem);
}
if (!moveFromReserved) {
/* move resource from used */
if (usedCpu >= vmCPU) {
capacityCpu.setUsedCapacity(usedCpu - vmCPU);
}
if (usedMem >= vmMem) {
capacityMemory.setUsedCapacity(usedMem - vmMem);
}
if (moveToReservered) {
if (reservedCpu + vmCPU <= totalCpu) {
capacityCpu.setReservedCapacity(reservedCpu + vmCPU);
}
if (reservedMem + vmMem <= totalMem) {
capacityMemory.setReservedCapacity(reservedMem + vmMem);
}
}
} else {
if (reservedCpu >= vmCPU) {
capacityCpu.setReservedCapacity(reservedCpu - vmCPU);
}
if (reservedMem >= vmMem) {
capacityMemory.setReservedCapacity(reservedMem - vmMem);
}
}
s_logger.debug("release cpu from host: " + hostId + ", old used: " + usedCpu + ",reserved: " + reservedCpu + ", actual total: " + actualTotalCpu +
", total with overprovisioning: " + totalCpu + "; new used: " + capacityCpu.getUsedCapacity() + ",reserved:" + capacityCpu.getReservedCapacity() +
"; movedfromreserved: " + moveFromReserved + ",moveToReservered" + moveToReservered);
s_logger.debug("release mem from host: " + hostId + ", old used: " + usedMem + ",reserved: " + reservedMem + ", total: " + totalMem + "; new used: " +
capacityMemory.getUsedCapacity() + ",reserved:" + capacityMemory.getReservedCapacity() + "; movedfromreserved: " + moveFromReserved +
",moveToReservered" + moveToReservered);
_capacityDao.update(capacityCpu.getId(), capacityCpu);
_capacityDao.update(capacityMemory.getId(), capacityMemory);
}
});
return true;
} catch (Exception e) {
s_logger.debug("Failed to transit vm's state, due to " + e.getMessage());
return false;
}
}
@DB
@Override
public void allocateVmCapacity(VirtualMachine vm, final boolean fromLastHost) {
final long hostId = vm.getHostId();
HostVO host = _hostDao.findById(hostId);
final long clusterId = host.getClusterId();
final float cpuOvercommitRatio = Float.parseFloat(_clusterDetailsDao.findDetail(clusterId, "cpuOvercommitRatio").getValue());
final float memoryOvercommitRatio = Float.parseFloat(_clusterDetailsDao.findDetail(clusterId, "memoryOvercommitRatio").getValue());
final ServiceOfferingVO svo = _offeringsDao.findById(vm.getId(), vm.getServiceOfferingId());
CapacityVO capacityCpu = _capacityDao.findByHostIdType(hostId, Capacity.CAPACITY_TYPE_CPU);
CapacityVO capacityMem = _capacityDao.findByHostIdType(hostId, Capacity.CAPACITY_TYPE_MEMORY);
if (capacityCpu == null || capacityMem == null || svo == null) {
return;
}
final int cpu = svo.getCpu() * svo.getSpeed();
final long ram = svo.getRamSize() * 1024L * 1024L;
try {
final long capacityCpuId = capacityCpu.getId();
final long capacityMemId = capacityMem.getId();
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) {
CapacityVO capacityCpu = _capacityDao.lockRow(capacityCpuId, true);
CapacityVO capacityMem = _capacityDao.lockRow(capacityMemId, true);
long usedCpu = capacityCpu.getUsedCapacity();
long usedMem = capacityMem.getUsedCapacity();
long reservedCpu = capacityCpu.getReservedCapacity();
long reservedMem = capacityMem.getReservedCapacity();
long actualTotalCpu = capacityCpu.getTotalCapacity();
long actualTotalMem = capacityMem.getTotalCapacity();
long totalCpu = (long)(actualTotalCpu * cpuOvercommitRatio);
long totalMem = (long)(actualTotalMem * memoryOvercommitRatio);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Hosts's actual total CPU: " + actualTotalCpu + " and CPU after applying overprovisioning: " + totalCpu);
}
long freeCpu = totalCpu - (reservedCpu + usedCpu);
long freeMem = totalMem - (reservedMem + usedMem);
if (s_logger.isDebugEnabled()) {
s_logger.debug("We are allocating VM, increasing the used capacity of this host:" + hostId);
s_logger.debug("Current Used CPU: " + usedCpu + " , Free CPU:" + freeCpu + " ,Requested CPU: " + cpu);
s_logger.debug("Current Used RAM: " + usedMem + " , Free RAM:" + freeMem + " ,Requested RAM: " + ram);
}
capacityCpu.setUsedCapacity(usedCpu + cpu);
capacityMem.setUsedCapacity(usedMem + ram);
if (fromLastHost) {
/* alloc from reserved */
if (s_logger.isDebugEnabled()) {
s_logger.debug("We are allocating VM to the last host again, so adjusting the reserved capacity if it is not less than required");
s_logger.debug("Reserved CPU: " + reservedCpu + " , Requested CPU: " + cpu);
s_logger.debug("Reserved RAM: " + reservedMem + " , Requested RAM: " + ram);
}
if (reservedCpu >= cpu && reservedMem >= ram) {
capacityCpu.setReservedCapacity(reservedCpu - cpu);
capacityMem.setReservedCapacity(reservedMem - ram);
}
} else {
/* alloc from free resource */
if (!((reservedCpu + usedCpu + cpu <= totalCpu) && (reservedMem + usedMem + ram <= totalMem))) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Host doesnt seem to have enough free capacity, but increasing the used capacity anyways, " +
"since the VM is already starting on this host ");
}
}
}
s_logger.debug("CPU STATS after allocation: for host: " + hostId + ", old used: " + usedCpu + ", old reserved: " + reservedCpu + ", actual total: " +
actualTotalCpu + ", total with overprovisioning: " + totalCpu + "; new used:" + capacityCpu.getUsedCapacity() + ", reserved:" +
capacityCpu.getReservedCapacity() + "; requested cpu:" + cpu + ",alloc_from_last:" + fromLastHost);
s_logger.debug("RAM STATS after allocation: for host: " + hostId + ", old used: " + usedMem + ", old reserved: " + reservedMem + ", total: " +
totalMem + "; new used: " + capacityMem.getUsedCapacity() + ", reserved: " + capacityMem.getReservedCapacity() + "; requested mem: " + ram +
",alloc_from_last:" + fromLastHost);
_capacityDao.update(capacityCpu.getId(), capacityCpu);
_capacityDao.update(capacityMem.getId(), capacityMem);
}
});
} catch (Exception e) {
s_logger.error("Exception allocating VM capacity", e);
return;
}
}
@Override
public boolean checkIfHostHasCpuCapability(long hostId, Integer cpuNum, Integer cpuSpeed) {
// Check host can support the Cpu Number and Speed.
Host host = _hostDao.findById(hostId);
boolean isCpuNumGood = host.getCpus().intValue() >= cpuNum;
boolean isCpuSpeedGood = host.getSpeed().intValue() >= cpuSpeed;
if (isCpuNumGood && isCpuSpeedGood) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Host: " + hostId + " has cpu capability (cpu:" + host.getCpus() + ", speed:" + host.getSpeed() +
") to support requested CPU: " + cpuNum + " and requested speed: " + cpuSpeed);
}
return true;
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Host: " + hostId + " doesn't have cpu capability (cpu:" + host.getCpus() + ", speed:" + host.getSpeed() +
") to support requested CPU: " + cpuNum + " and requested speed: " + cpuSpeed);
}
return false;
}
}
@Override
public boolean checkIfHostHasCapacity(long hostId, Integer cpu, long ram, boolean checkFromReservedCapacity, float cpuOvercommitRatio, float memoryOvercommitRatio,
boolean considerReservedCapacity) {
boolean hasCapacity = false;
if (s_logger.isDebugEnabled()) {
s_logger.debug("Checking if host: " + hostId + " has enough capacity for requested CPU: " + cpu + " and requested RAM: " + ram +
" , cpuOverprovisioningFactor: " + cpuOvercommitRatio);
}
CapacityVO capacityCpu = _capacityDao.findByHostIdType(hostId, Capacity.CAPACITY_TYPE_CPU);
CapacityVO capacityMem = _capacityDao.findByHostIdType(hostId, Capacity.CAPACITY_TYPE_MEMORY);
if (capacityCpu == null || capacityMem == null) {
if (capacityCpu == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Cannot checkIfHostHasCapacity, Capacity entry for CPU not found in Db, for hostId: " + hostId);
}
}
if (capacityMem == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Cannot checkIfHostHasCapacity, Capacity entry for RAM not found in Db, for hostId: " + hostId);
}
}
return false;
}
long usedCpu = capacityCpu.getUsedCapacity();
long usedMem = capacityMem.getUsedCapacity();
long reservedCpu = capacityCpu.getReservedCapacity();
long reservedMem = capacityMem.getReservedCapacity();
long actualTotalCpu = capacityCpu.getTotalCapacity();
long actualTotalMem = capacityMem.getTotalCapacity();
long totalCpu = (long)(actualTotalCpu * cpuOvercommitRatio);
long totalMem = (long)(actualTotalMem * memoryOvercommitRatio);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Hosts's actual total CPU: " + actualTotalCpu + " and CPU after applying overprovisioning: " + totalCpu);
}
String failureReason = "";
if (checkFromReservedCapacity) {
long freeCpu = reservedCpu;
long freeMem = reservedMem;
if (s_logger.isDebugEnabled()) {
s_logger.debug("We need to allocate to the last host again, so checking if there is enough reserved capacity");
s_logger.debug("Reserved CPU: " + freeCpu + " , Requested CPU: " + cpu);
s_logger.debug("Reserved RAM: " + freeMem + " , Requested RAM: " + ram);
}
/* alloc from reserved */
if (reservedCpu >= cpu) {
if (reservedMem >= ram) {
hasCapacity = true;
} else {
failureReason = "Host does not have enough reserved RAM available";
}
} else {
failureReason = "Host does not have enough reserved CPU available";
}
} else {
long reservedCpuValueToUse = reservedCpu;
long reservedMemValueToUse = reservedMem;
if (!considerReservedCapacity) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("considerReservedCapacity is" + considerReservedCapacity + " , not considering reserved capacity for calculating free capacity");
}
reservedCpuValueToUse = 0;
reservedMemValueToUse = 0;
}
long freeCpu = totalCpu - (reservedCpuValueToUse + usedCpu);
long freeMem = totalMem - (reservedMemValueToUse + usedMem);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Free CPU: " + freeCpu + " , Requested CPU: " + cpu);
s_logger.debug("Free RAM: " + freeMem + " , Requested RAM: " + ram);
}
/* alloc from free resource */
if ((reservedCpuValueToUse + usedCpu + cpu <= totalCpu)) {
if ((reservedMemValueToUse + usedMem + ram <= totalMem)) {
hasCapacity = true;
} else {
failureReason = "Host does not have enough RAM available";
}
} else {
failureReason = "Host does not have enough CPU available";
}
}
if (hasCapacity) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Host has enough CPU and RAM available");
}
s_logger.debug("STATS: Can alloc CPU from host: " + hostId + ", used: " + usedCpu + ", reserved: " + reservedCpu + ", actual total: " + actualTotalCpu +
", total with overprovisioning: " + totalCpu + "; requested cpu:" + cpu + ",alloc_from_last_host?:" + checkFromReservedCapacity +
" ,considerReservedCapacity?: " + considerReservedCapacity);
s_logger.debug("STATS: Can alloc MEM from host: " + hostId + ", used: " + usedMem + ", reserved: " + reservedMem + ", total: " + totalMem +
"; requested mem: " + ram + ",alloc_from_last_host?:" + checkFromReservedCapacity + " ,considerReservedCapacity?: " + considerReservedCapacity);
} else {
if (checkFromReservedCapacity) {
s_logger.debug("STATS: Failed to alloc resource from host: " + hostId + " reservedCpu: " + reservedCpu + ", requested cpu: " + cpu + ", reservedMem: " +
reservedMem + ", requested mem: " + ram);
} else {
s_logger.debug("STATS: Failed to alloc resource from host: " + hostId + " reservedCpu: " + reservedCpu + ", used cpu: " + usedCpu + ", requested cpu: " +
cpu + ", actual total cpu: " + actualTotalCpu + ", total cpu with overprovisioning: " + totalCpu + ", reservedMem: " + reservedMem + ", used Mem: " +
usedMem + ", requested mem: " + ram + ", total Mem:" + totalMem + " ,considerReservedCapacity?: " + considerReservedCapacity);
}
if (s_logger.isDebugEnabled()) {
s_logger.debug(failureReason + ", cannot allocate to this host.");
}
}
return hasCapacity;
}
@Override
public long getUsedBytes(StoragePoolVO pool) {
DataStoreProvider storeProvider = _dataStoreProviderMgr.getDataStoreProvider(pool.getStorageProviderName());
DataStoreDriver storeDriver = storeProvider.getDataStoreDriver();
if (storeDriver instanceof PrimaryDataStoreDriver) {
PrimaryDataStoreDriver primaryStoreDriver = (PrimaryDataStoreDriver)storeDriver;
return primaryStoreDriver.getUsedBytes(pool);
}
throw new CloudRuntimeException("Storage driver in CapacityManagerImpl.getUsedBytes(StoragePoolVO) is not a PrimaryDataStoreDriver.");
}
@Override
public long getUsedIops(StoragePoolVO pool) {
DataStoreProvider storeProvider = _dataStoreProviderMgr.getDataStoreProvider(pool.getStorageProviderName());
DataStoreDriver storeDriver = storeProvider.getDataStoreDriver();
if (storeDriver instanceof PrimaryDataStoreDriver) {
PrimaryDataStoreDriver primaryStoreDriver = (PrimaryDataStoreDriver)storeDriver;
return primaryStoreDriver.getUsedIops(pool);
}
throw new CloudRuntimeException("Storage driver in CapacityManagerImpl.getUsedIops(StoragePoolVO) is not a PrimaryDataStoreDriver.");
}
@Override
public long getAllocatedPoolCapacity(StoragePoolVO pool, VMTemplateVO templateForVmCreation) {
long totalAllocatedSize = 0;
// if the storage pool is managed, the used bytes can be larger than the sum of the sizes of all of the non-destroyed volumes
// in this case, call getUsedBytes(StoragePoolVO)
if (pool.isManaged()) {
return getUsedBytes(pool);
}
else {
// Get size for all the non-destroyed volumes.
Pair<Long, Long> sizes = _volumeDao.getNonDestroyedCountAndTotalByPool(pool.getId());
totalAllocatedSize = sizes.second() + sizes.first() * _extraBytesPerVolume;
}
// Get size for VM Snapshots.
totalAllocatedSize += _volumeDao.getVMSnapshotSizeByPool(pool.getId());
boolean tmpInstalled = false;
// Iterate through all templates on this storage pool.
List<VMTemplateStoragePoolVO> templatePoolVOs = _templatePoolDao.listByPoolId(pool.getId());
for (VMTemplateStoragePoolVO templatePoolVO : templatePoolVOs) {
if ((templateForVmCreation != null) && !tmpInstalled && (templatePoolVO.getTemplateId() == templateForVmCreation.getId())) {
tmpInstalled = true;
}
long templateSize = templatePoolVO.getTemplateSize();
totalAllocatedSize += templateSize + _extraBytesPerVolume;
}
if ((templateForVmCreation != null) && !tmpInstalled) {
long templateForVmCreationSize = templateForVmCreation.getSize() != null ? templateForVmCreation.getSize() : 0;
totalAllocatedSize += templateForVmCreationSize + _extraBytesPerVolume;
}
return totalAllocatedSize;
}
@DB
@Override
public void updateCapacityForHost(final Host host) {
// prepare the service offerings
List<ServiceOfferingVO> offerings = _offeringsDao.listAllIncludingRemoved();
Map<Long, ServiceOfferingVO> offeringsMap = new HashMap<Long, ServiceOfferingVO>();
for (ServiceOfferingVO offering : offerings) {
offeringsMap.put(offering.getId(), offering);
}
long usedCpu = 0;
long usedMemory = 0;
long reservedMemory = 0;
long reservedCpu = 0;
final CapacityState capacityState = (host.getResourceState() == ResourceState.Enabled) ? CapacityState.Enabled : CapacityState.Disabled;
List<VMInstanceVO> vms = _vmDao.listUpByHostId(host.getId());
if (s_logger.isDebugEnabled()) {
s_logger.debug("Found " + vms.size() + " VMs on host " + host.getId());
}
ClusterVO cluster = _clusterDao.findById(host.getClusterId());
ClusterDetailsVO clusterDetailCpu = _clusterDetailsDao.findDetail(cluster.getId(), "cpuOvercommitRatio");
ClusterDetailsVO clusterDetailRam = _clusterDetailsDao.findDetail(cluster.getId(), "memoryOvercommitRatio");
Float clusterCpuOvercommitRatio = Float.parseFloat(clusterDetailCpu.getValue());
Float clusterRamOvercommitRatio = Float.parseFloat(clusterDetailRam.getValue());
Float cpuOvercommitRatio = 1f;
Float ramOvercommitRatio = 1f;
for (VMInstanceVO vm : vms) {
Map<String, String> vmDetails = _userVmDetailsDao.listDetailsKeyPairs(vm.getId());
String vmDetailCpu = vmDetails.get("cpuOvercommitRatio");
String vmDetailRam = vmDetails.get("memoryOvercommitRatio");
if (vmDetailCpu != null) {
//if vmDetail_cpu is not null it means it is running in a overcommited cluster.
cpuOvercommitRatio = Float.parseFloat(vmDetailCpu);
ramOvercommitRatio = Float.parseFloat(vmDetailRam);
}
ServiceOffering so = offeringsMap.get(vm.getServiceOfferingId());
if (so.isDynamic()) {
usedMemory +=
((Integer.parseInt(vmDetails.get(UsageEventVO.DynamicParameters.memory.name())) * 1024L * 1024L) / ramOvercommitRatio) *
clusterRamOvercommitRatio;
usedCpu +=
((Integer.parseInt(vmDetails.get(UsageEventVO.DynamicParameters.cpuNumber.name())) * Integer.parseInt(vmDetails.get(UsageEventVO.DynamicParameters.cpuSpeed.name()))) / cpuOvercommitRatio) *
clusterCpuOvercommitRatio;
} else {
usedMemory += ((so.getRamSize() * 1024L * 1024L) / ramOvercommitRatio) * clusterRamOvercommitRatio;
usedCpu += ((so.getCpu() * so.getSpeed()) / cpuOvercommitRatio) * clusterCpuOvercommitRatio;
}
}
List<VMInstanceVO> vmsByLastHostId = _vmDao.listByLastHostId(host.getId());
if (s_logger.isDebugEnabled()) {
s_logger.debug("Found " + vmsByLastHostId.size() + " VM, not running on host " + host.getId());
}
for (VMInstanceVO vm : vmsByLastHostId) {
long secondsSinceLastUpdate = (DateUtil.currentGMTTime().getTime() - vm.getUpdateTime().getTime()) / 1000;
if (secondsSinceLastUpdate < _vmCapacityReleaseInterval) {
UserVmDetailVO vmDetailCpu = _userVmDetailsDao.findDetail(vm.getId(), "cpuOvercommitRatio");
UserVmDetailVO vmDetailRam = _userVmDetailsDao.findDetail(vm.getId(), "memoryOvercommitRatio");
if (vmDetailCpu != null) {
//if vmDetail_cpu is not null it means it is running in a overcommited cluster.
cpuOvercommitRatio = Float.parseFloat(vmDetailCpu.getValue());
ramOvercommitRatio = Float.parseFloat(vmDetailRam.getValue());
}
ServiceOffering so = offeringsMap.get(vm.getServiceOfferingId());
Map<String, String> vmDetails = _userVmDetailsDao.listDetailsKeyPairs(vm.getId());
if (so.isDynamic()) {
reservedMemory +=
((Integer.parseInt(vmDetails.get(UsageEventVO.DynamicParameters.memory.name())) * 1024L * 1024L) / ramOvercommitRatio) *
clusterRamOvercommitRatio;
reservedCpu +=
((Integer.parseInt(vmDetails.get(UsageEventVO.DynamicParameters.cpuNumber.name())) * Integer.parseInt(vmDetails.get(UsageEventVO.DynamicParameters.cpuSpeed.name()))) / cpuOvercommitRatio) *
clusterCpuOvercommitRatio;
} else {
reservedMemory += ((so.getRamSize() * 1024L * 1024L) / ramOvercommitRatio) * clusterRamOvercommitRatio;
reservedCpu += (so.getCpu() * so.getSpeed() / cpuOvercommitRatio) * clusterCpuOvercommitRatio;
}
} else {
// signal if not done already, that the VM has been stopped for skip.counting.hours,
// hence capacity will not be reserved anymore.
UserVmDetailVO messageSentFlag = _userVmDetailsDao.findDetail(vm.getId(), MESSAGE_RESERVED_CAPACITY_FREED_FLAG);
if (messageSentFlag == null || !Boolean.valueOf(messageSentFlag.getValue())) {
_messageBus.publish(_name, "VM_ReservedCapacity_Free", PublishScope.LOCAL, vm);
if (vm.getType() == VirtualMachine.Type.User) {
UserVmVO userVM = _userVMDao.findById(vm.getId());
_userVMDao.loadDetails(userVM);
userVM.setDetail(MESSAGE_RESERVED_CAPACITY_FREED_FLAG, "true");
_userVMDao.saveDetails(userVM);
}
}
}
}
CapacityVO cpuCap = _capacityDao.findByHostIdType(host.getId(), Capacity.CAPACITY_TYPE_CPU);
CapacityVO memCap = _capacityDao.findByHostIdType(host.getId(), Capacity.CAPACITY_TYPE_MEMORY);
if (cpuCap != null && memCap != null) {
if (host.getTotalMemory() != null) {
memCap.setTotalCapacity(host.getTotalMemory());
}
long hostTotalCpu = host.getCpus().longValue() * host.getSpeed().longValue();
if (cpuCap.getTotalCapacity() != hostTotalCpu) {
s_logger.debug("Calibrate total cpu for host: " + host.getId() + " old total CPU:" + cpuCap.getTotalCapacity() + " new total CPU:" + hostTotalCpu);
cpuCap.setTotalCapacity(hostTotalCpu);
}
// Set the capacity state as per the host allocation state.
if(capacityState != cpuCap.getCapacityState()){
s_logger.debug("Calibrate cpu capacity state for host: " + host.getId() + " old capacity state:" + cpuCap.getTotalCapacity() + " new capacity state:" + hostTotalCpu);
cpuCap.setCapacityState(capacityState);
}
memCap.setCapacityState(capacityState);
if (cpuCap.getUsedCapacity() == usedCpu && cpuCap.getReservedCapacity() == reservedCpu) {
s_logger.debug("No need to calibrate cpu capacity, host:" + host.getId() + " usedCpu: " + cpuCap.getUsedCapacity() + " reservedCpu: " +
cpuCap.getReservedCapacity());
} else {
if (cpuCap.getReservedCapacity() != reservedCpu) {
s_logger.debug("Calibrate reserved cpu for host: " + host.getId() + " old reservedCpu:" + cpuCap.getReservedCapacity() + " new reservedCpu:" +
reservedCpu);
cpuCap.setReservedCapacity(reservedCpu);
}
if (cpuCap.getUsedCapacity() != usedCpu) {
s_logger.debug("Calibrate used cpu for host: " + host.getId() + " old usedCpu:" + cpuCap.getUsedCapacity() + " new usedCpu:" + usedCpu);
cpuCap.setUsedCapacity(usedCpu);
}
}
if (memCap.getTotalCapacity() != host.getTotalMemory()) {
s_logger.debug("Calibrate total memory for host: " + host.getId() + " old total memory:" + memCap.getTotalCapacity() + " new total memory:" +
host.getTotalMemory());
memCap.setTotalCapacity(host.getTotalMemory());
}
// Set the capacity state as per the host allocation state.
if(capacityState != memCap.getCapacityState()){
s_logger.debug("Calibrate memory capacity state for host: " + host.getId() + " old capacity state:" + memCap.getTotalCapacity() + " new capacity state:" + hostTotalCpu);
memCap.setCapacityState(capacityState);
}
if (memCap.getUsedCapacity() == usedMemory && memCap.getReservedCapacity() == reservedMemory) {
s_logger.debug("No need to calibrate memory capacity, host:" + host.getId() + " usedMem: " + memCap.getUsedCapacity() + " reservedMem: " +
memCap.getReservedCapacity());
} else {
if (memCap.getReservedCapacity() != reservedMemory) {
s_logger.debug("Calibrate reserved memory for host: " + host.getId() + " old reservedMem:" + memCap.getReservedCapacity() + " new reservedMem:" +
reservedMemory);
memCap.setReservedCapacity(reservedMemory);
}
if (memCap.getUsedCapacity() != usedMemory) {
/*
* Didn't calibrate for used memory, because VMs can be in
* state(starting/migrating) that I don't know on which host
* they are allocated
*/
s_logger.debug("Calibrate used memory for host: " + host.getId() + " old usedMem: " + memCap.getUsedCapacity() + " new usedMem: " + usedMemory);
memCap.setUsedCapacity(usedMemory);
}
}
try {
_capacityDao.update(cpuCap.getId(), cpuCap);
_capacityDao.update(memCap.getId(), memCap);
} catch (Exception e) {
s_logger.error("Caught exception while updating cpu/memory capacity for the host " + host.getId(), e);
}
} else {
final long usedMemoryFinal = usedMemory;
final long reservedMemoryFinal = reservedMemory;
final long usedCpuFinal = usedCpu;
final long reservedCpuFinal = reservedCpu;
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) {
CapacityVO capacity =
new CapacityVO(host.getId(), host.getDataCenterId(), host.getPodId(), host.getClusterId(), usedMemoryFinal, host.getTotalMemory(),
Capacity.CAPACITY_TYPE_MEMORY);
capacity.setReservedCapacity(reservedMemoryFinal);
capacity.setCapacityState(capacityState);
_capacityDao.persist(capacity);
capacity =
new CapacityVO(host.getId(), host.getDataCenterId(), host.getPodId(), host.getClusterId(), usedCpuFinal, host.getCpus().longValue() *
host.getSpeed().longValue(), Capacity.CAPACITY_TYPE_CPU);
capacity.setReservedCapacity(reservedCpuFinal);
capacity.setCapacityState(capacityState);
_capacityDao.persist(capacity);
}
});
}
}
@Override
public boolean preStateTransitionEvent(State oldState, Event event, State newState, VirtualMachine vm, boolean transitionStatus, Object opaque) {
return true;
}
@Override
public boolean postStateTransitionEvent(StateMachine2.Transition<State, Event> transition, VirtualMachine vm, boolean status, Object opaque) {
if (!status) {
return false;
}
@SuppressWarnings("unchecked")
Pair<Long, Long> hosts = (Pair<Long, Long>)opaque;
Long oldHostId = hosts.first();
State oldState = transition.getCurrentState();
State newState = transition.getToState();
Event event = transition.getEvent();
s_logger.debug("VM state transitted from :" + oldState + " to " + newState + " with event: " + event + "vm's original host id: " + vm.getLastHostId() +
" new host id: " + vm.getHostId() + " host id before state transition: " + oldHostId);
if (oldState == State.Starting) {
if (newState != State.Running) {
releaseVmCapacity(vm, false, false, oldHostId);
}
} else if (oldState == State.Running) {
if (event == Event.AgentReportStopped) {
releaseVmCapacity(vm, false, true, oldHostId);
} else if (event == Event.AgentReportMigrated) {
releaseVmCapacity(vm, false, false, oldHostId);
}
} else if (oldState == State.Migrating) {
if (event == Event.AgentReportStopped) {
/* Release capacity from original host */
releaseVmCapacity(vm, false, false, vm.getLastHostId());
releaseVmCapacity(vm, false, false, oldHostId);
} else if (event == Event.OperationFailed) {
/* Release from dest host */
releaseVmCapacity(vm, false, false, oldHostId);
} else if (event == Event.OperationSucceeded) {
releaseVmCapacity(vm, false, false, vm.getLastHostId());
}
} else if (oldState == State.Stopping) {
if (event == Event.OperationSucceeded) {
releaseVmCapacity(vm, false, true, oldHostId);
} else if (event == Event.AgentReportStopped) {
releaseVmCapacity(vm, false, false, oldHostId);
} else if (event == Event.AgentReportMigrated) {
releaseVmCapacity(vm, false, false, oldHostId);
}
} else if (oldState == State.Stopped) {
if (event == Event.DestroyRequested || event == Event.ExpungeOperation) {
releaseVmCapacity(vm, true, false, vm.getLastHostId());
} else if (event == Event.AgentReportMigrated) {
releaseVmCapacity(vm, false, false, oldHostId);
}
}
if ((newState == State.Starting || newState == State.Migrating || event == Event.AgentReportMigrated) && vm.getHostId() != null) {
boolean fromLastHost = false;
if (vm.getHostId().equals(vm.getLastHostId())) {
s_logger.debug("VM starting again on the last host it was stopped on");
fromLastHost = true;
}
allocateVmCapacity(vm, fromLastHost);
}
if (newState == State.Stopped) {
if (vm.getType() == VirtualMachine.Type.User) {
UserVmVO userVM = _userVMDao.findById(vm.getId());
_userVMDao.loadDetails(userVM);
// free the message sent flag if it exists
userVM.setDetail(MESSAGE_RESERVED_CAPACITY_FREED_FLAG, "false");
_userVMDao.saveDetails(userVM);
}
}
return true;
}
// TODO: Get rid of this case once we've determined that the capacity listeners above have all the changes
// create capacity entries if none exist for this server
private void createCapacityEntry(StartupCommand startup, HostVO server) {
SearchCriteria<CapacityVO> capacitySC = _capacityDao.createSearchCriteria();
capacitySC.addAnd("hostOrPoolId", SearchCriteria.Op.EQ, server.getId());
capacitySC.addAnd("dataCenterId", SearchCriteria.Op.EQ, server.getDataCenterId());
capacitySC.addAnd("podId", SearchCriteria.Op.EQ, server.getPodId());
if (startup instanceof StartupRoutingCommand) {
SearchCriteria<CapacityVO> capacityCPU = _capacityDao.createSearchCriteria();
capacityCPU.addAnd("hostOrPoolId", SearchCriteria.Op.EQ, server.getId());
capacityCPU.addAnd("dataCenterId", SearchCriteria.Op.EQ, server.getDataCenterId());
capacityCPU.addAnd("podId", SearchCriteria.Op.EQ, server.getPodId());
capacityCPU.addAnd("capacityType", SearchCriteria.Op.EQ, Capacity.CAPACITY_TYPE_CPU);
List<CapacityVO> capacityVOCpus = _capacityDao.search(capacitySC, null);
Float cpuovercommitratio = Float.parseFloat(_clusterDetailsDao.findDetail(server.getClusterId(), "cpuOvercommitRatio").getValue());
Float memoryOvercommitRatio = Float.parseFloat(_clusterDetailsDao.findDetail(server.getClusterId(), "memoryOvercommitRatio").getValue());
if (capacityVOCpus != null && !capacityVOCpus.isEmpty()) {
CapacityVO CapacityVOCpu = capacityVOCpus.get(0);
long newTotalCpu = (long)(server.getCpus().longValue() * server.getSpeed().longValue() * cpuovercommitratio);
if ((CapacityVOCpu.getTotalCapacity() <= newTotalCpu) || ((CapacityVOCpu.getUsedCapacity() + CapacityVOCpu.getReservedCapacity()) <= newTotalCpu)) {
CapacityVOCpu.setTotalCapacity(newTotalCpu);
} else if ((CapacityVOCpu.getUsedCapacity() + CapacityVOCpu.getReservedCapacity() > newTotalCpu) && (CapacityVOCpu.getUsedCapacity() < newTotalCpu)) {
CapacityVOCpu.setReservedCapacity(0);
CapacityVOCpu.setTotalCapacity(newTotalCpu);
} else {
s_logger.debug("What? new cpu is :" + newTotalCpu + ", old one is " + CapacityVOCpu.getUsedCapacity() + "," + CapacityVOCpu.getReservedCapacity() +
"," + CapacityVOCpu.getTotalCapacity());
}
_capacityDao.update(CapacityVOCpu.getId(), CapacityVOCpu);
} else {
CapacityVO capacity =
new CapacityVO(server.getId(), server.getDataCenterId(), server.getPodId(), server.getClusterId(), 0L, server.getCpus().longValue() *
server.getSpeed().longValue(), Capacity.CAPACITY_TYPE_CPU);
_capacityDao.persist(capacity);
}
SearchCriteria<CapacityVO> capacityMem = _capacityDao.createSearchCriteria();
capacityMem.addAnd("hostOrPoolId", SearchCriteria.Op.EQ, server.getId());
capacityMem.addAnd("dataCenterId", SearchCriteria.Op.EQ, server.getDataCenterId());
capacityMem.addAnd("podId", SearchCriteria.Op.EQ, server.getPodId());
capacityMem.addAnd("capacityType", SearchCriteria.Op.EQ, Capacity.CAPACITY_TYPE_MEMORY);
List<CapacityVO> capacityVOMems = _capacityDao.search(capacityMem, null);
if (capacityVOMems != null && !capacityVOMems.isEmpty()) {
CapacityVO CapacityVOMem = capacityVOMems.get(0);
long newTotalMem = (long)((server.getTotalMemory()) * memoryOvercommitRatio);
if (CapacityVOMem.getTotalCapacity() <= newTotalMem || (CapacityVOMem.getUsedCapacity() + CapacityVOMem.getReservedCapacity() <= newTotalMem)) {
CapacityVOMem.setTotalCapacity(newTotalMem);
} else if (CapacityVOMem.getUsedCapacity() + CapacityVOMem.getReservedCapacity() > newTotalMem && CapacityVOMem.getUsedCapacity() < newTotalMem) {
CapacityVOMem.setReservedCapacity(0);
CapacityVOMem.setTotalCapacity(newTotalMem);
} else {
s_logger.debug("What? new cpu is :" + newTotalMem + ", old one is " + CapacityVOMem.getUsedCapacity() + "," + CapacityVOMem.getReservedCapacity() +
"," + CapacityVOMem.getTotalCapacity());
}
_capacityDao.update(CapacityVOMem.getId(), CapacityVOMem);
} else {
CapacityVO capacity =
new CapacityVO(server.getId(), server.getDataCenterId(), server.getPodId(), server.getClusterId(), 0L, server.getTotalMemory(),
Capacity.CAPACITY_TYPE_MEMORY);
_capacityDao.persist(capacity);
}
}
}
@Override
public float getClusterOverProvisioningFactor(Long clusterId, short capacityType) {
String capacityOverProvisioningName = "";
if (capacityType == Capacity.CAPACITY_TYPE_CPU) {
capacityOverProvisioningName = "cpuOvercommitRatio";
} else if (capacityType == Capacity.CAPACITY_TYPE_MEMORY) {
capacityOverProvisioningName = "memoryOvercommitRatio";
} else {
throw new CloudRuntimeException("Invalid capacityType - " + capacityType);
}
ClusterDetailsVO clusterDetailCpu = _clusterDetailsDao.findDetail(clusterId, capacityOverProvisioningName);
Float clusterOverProvisioningRatio = Float.parseFloat(clusterDetailCpu.getValue());
return clusterOverProvisioningRatio;
}
@Override
public boolean checkIfClusterCrossesThreshold(Long clusterId, Integer cpuRequested, long ramRequested) {
Float clusterCpuOverProvisioning = getClusterOverProvisioningFactor(clusterId, Capacity.CAPACITY_TYPE_CPU);
Float clusterMemoryOverProvisioning = getClusterOverProvisioningFactor(clusterId, Capacity.CAPACITY_TYPE_MEMORY);
Float clusterCpuCapacityDisableThreshold = DeploymentClusterPlanner.ClusterCPUCapacityDisableThreshold.valueIn(clusterId);
Float clusterMemoryCapacityDisableThreshold = DeploymentClusterPlanner.ClusterMemoryCapacityDisableThreshold.valueIn(clusterId);
float cpuConsumption = _capacityDao.findClusterConsumption(clusterId, Capacity.CAPACITY_TYPE_CPU, cpuRequested);
if (cpuConsumption / clusterCpuOverProvisioning > clusterCpuCapacityDisableThreshold) {
s_logger.debug("Cluster: " + clusterId + " cpu consumption " + cpuConsumption / clusterCpuOverProvisioning
+ " crosses disable threshold " + clusterCpuCapacityDisableThreshold);
return true;
}
float memoryConsumption = _capacityDao.findClusterConsumption(clusterId, Capacity.CAPACITY_TYPE_MEMORY, ramRequested);
if (memoryConsumption / clusterMemoryOverProvisioning > clusterMemoryCapacityDisableThreshold) {
s_logger.debug("Cluster: " + clusterId + " memory consumption " + memoryConsumption / clusterMemoryOverProvisioning
+ " crosses disable threshold " + clusterMemoryCapacityDisableThreshold);
return true;
}
return false;
}
@Override
public boolean processAnswers(long agentId, long seq, Answer[] answers) {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean processCommands(long agentId, long seq, Command[] commands) {
// TODO Auto-generated method stub
return false;
}
@Override
public AgentControlAnswer processControlCommand(long agentId, AgentControlCommand cmd) {
// TODO Auto-generated method stub
return null;
}
@Override
public void processHostAdded(long hostId) {
}
@Override
public void processConnect(Host host, StartupCommand cmd, boolean forRebalance) throws ConnectionException {
// TODO Auto-generated method stub
}
@Override
public boolean processDisconnect(long agentId, Status state) {
// TODO Auto-generated method stub
return false;
}
@Override
public void processHostAboutToBeRemoved(long hostId) {
}
@Override
public void processHostRemoved(long hostId, long clusterId) {
}
@Override
public boolean isRecurring() {
// TODO Auto-generated method stub
return false;
}
@Override
public int getTimeout() {
// TODO Auto-generated method stub
return 0;
}
@Override
public boolean processTimeout(long agentId, long seq) {
// TODO Auto-generated method stub
return false;
}
@Override
public void processCancelMaintenaceEventAfter(Long hostId) {
updateCapacityForHost(_hostDao.findById(hostId));
}
@Override
public void processCancelMaintenaceEventBefore(Long hostId) {
// TODO Auto-generated method stub
}
@Override
public void processDeletHostEventAfter(Host host) {
// TODO Auto-generated method stub
}
@Override
public void processDeleteHostEventBefore(Host host) {
// TODO Auto-generated method stub
}
@Override
public void processDiscoverEventAfter(Map<? extends ServerResource, Map<String, String>> resources) {
// TODO Auto-generated method stub
}
@Override
public void processDiscoverEventBefore(Long dcid, Long podId, Long clusterId, URI uri, String username, String password, List<String> hostTags) {
// TODO Auto-generated method stub
}
@Override
public void processPrepareMaintenaceEventAfter(Long hostId) {
_capacityDao.removeBy(Capacity.CAPACITY_TYPE_MEMORY, null, null, null, hostId);
_capacityDao.removeBy(Capacity.CAPACITY_TYPE_CPU, null, null, null, hostId);
}
@Override
public void processPrepareMaintenaceEventBefore(Long hostId) {
// TODO Auto-generated method stub
}
@Override
public boolean checkIfHostReachMaxGuestLimit(Host host) {
Long vmCount = _vmDao.countActiveByHostId(host.getId());
HypervisorType hypervisorType = host.getHypervisorType();
String hypervisorVersion = host.getHypervisorVersion();
Long maxGuestLimit = _hypervisorCapabilitiesDao.getMaxGuestsLimit(hypervisorType, hypervisorVersion);
if (vmCount.longValue() >= maxGuestLimit.longValue()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Host name: " + host.getName() + ", hostId: " + host.getId() + " already reached max Running VMs(count includes system VMs), limit is: " +
maxGuestLimit + ",Running VM counts is: " + vmCount.longValue());
}
return true;
}
return false;
}
@Override
public String getConfigComponentName() {
return CapacityManager.class.getSimpleName();
}
@Override
public ConfigKey<?>[] getConfigKeys() {
return new ConfigKey<?>[] {CpuOverprovisioningFactor, MemOverprovisioningFactor, StorageCapacityDisableThreshold, StorageOverprovisioningFactor,
StorageAllocatedCapacityDisableThreshold, StorageOperationsExcludeCluster, VmwareCreateCloneFull, ImageStoreNFSVersion};
}
}