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// 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.resource;
import static com.cloud.configuration.ConfigurationManagerImpl.MIGRATE_VM_ACROSS_CLUSTERS;
import static com.cloud.configuration.ConfigurationManagerImpl.SET_HOST_DOWN_TO_MAINTENANCE;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Random;
import java.util.stream.Collectors;
import javax.inject.Inject;
import javax.naming.ConfigurationException;
import com.cloud.alert.AlertManager;
import com.cloud.host.HostTagVO;
import com.cloud.exception.StorageConflictException;
import com.cloud.exception.StorageUnavailableException;
import com.cloud.storage.Volume;
import com.cloud.storage.VolumeVO;
import com.cloud.storage.dao.VolumeDao;
import com.cloud.hypervisor.HypervisorGuru;
import org.apache.cloudstack.alert.AlertService;
import org.apache.cloudstack.annotation.AnnotationService;
import org.apache.cloudstack.annotation.dao.AnnotationDao;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.command.admin.cluster.AddClusterCmd;
import org.apache.cloudstack.api.command.admin.cluster.DeleteClusterCmd;
import org.apache.cloudstack.api.command.admin.cluster.UpdateClusterCmd;
import org.apache.cloudstack.api.command.admin.host.AddHostCmd;
import org.apache.cloudstack.api.command.admin.host.AddSecondaryStorageCmd;
import org.apache.cloudstack.api.command.admin.host.CancelHostAsDegradedCmd;
import org.apache.cloudstack.api.command.admin.host.CancelMaintenanceCmd;
import org.apache.cloudstack.api.command.admin.host.DeclareHostAsDegradedCmd;
import org.apache.cloudstack.api.command.admin.host.PrepareForMaintenanceCmd;
import org.apache.cloudstack.api.command.admin.host.ReconnectHostCmd;
import org.apache.cloudstack.api.command.admin.host.UpdateHostCmd;
import org.apache.cloudstack.api.command.admin.host.UpdateHostPasswordCmd;
import org.apache.cloudstack.context.CallContext;
import org.apache.cloudstack.framework.config.ConfigKey;
import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
import org.apache.cloudstack.utils.identity.ManagementServerNode;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang.ObjectUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.GetGPUStatsAnswer;
import com.cloud.agent.api.GetGPUStatsCommand;
import com.cloud.agent.api.GetHostStatsAnswer;
import com.cloud.agent.api.GetHostStatsCommand;
import com.cloud.agent.api.GetVncPortAnswer;
import com.cloud.agent.api.GetVncPortCommand;
import com.cloud.agent.api.MaintainAnswer;
import com.cloud.agent.api.MaintainCommand;
import com.cloud.agent.api.PropagateResourceEventCommand;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupRoutingCommand;
import com.cloud.agent.api.UnsupportedAnswer;
import com.cloud.agent.api.UpdateHostPasswordCommand;
import com.cloud.agent.api.VgpuTypesInfo;
import com.cloud.agent.api.to.GPUDeviceTO;
import com.cloud.agent.transport.Request;
import com.cloud.capacity.Capacity;
import com.cloud.capacity.CapacityManager;
import com.cloud.capacity.CapacityState;
import com.cloud.capacity.CapacityVO;
import com.cloud.capacity.dao.CapacityDao;
import com.cloud.cluster.ClusterManager;
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.DataCenter;
import com.cloud.dc.DataCenter.NetworkType;
import com.cloud.dc.DataCenterIpAddressVO;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.DedicatedResourceVO;
import com.cloud.dc.HostPodVO;
import com.cloud.dc.PodCluster;
import com.cloud.dc.dao.ClusterDao;
import com.cloud.dc.dao.ClusterVSMMapDao;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.dc.dao.DataCenterIpAddressDao;
import com.cloud.dc.dao.DedicatedResourceDao;
import com.cloud.dc.dao.HostPodDao;
import com.cloud.deploy.DataCenterDeployment;
import com.cloud.deploy.DeployDestination;
import com.cloud.deploy.DeploymentPlanner;
import com.cloud.deploy.DeploymentPlanningManager;
import com.cloud.deploy.PlannerHostReservationVO;
import com.cloud.deploy.dao.PlannerHostReservationDao;
import com.cloud.event.ActionEvent;
import com.cloud.event.ActionEventUtils;
import com.cloud.event.EventTypes;
import com.cloud.event.EventVO;
import com.cloud.exception.AgentUnavailableException;
import com.cloud.exception.DiscoveryException;
import com.cloud.exception.InsufficientServerCapacityException;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.exception.PermissionDeniedException;
import com.cloud.exception.ResourceInUseException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.gpu.GPU;
import com.cloud.gpu.HostGpuGroupsVO;
import com.cloud.gpu.VGPUTypesVO;
import com.cloud.gpu.dao.HostGpuGroupsDao;
import com.cloud.gpu.dao.VGPUTypesDao;
import com.cloud.ha.HighAvailabilityManager;
import com.cloud.ha.HighAvailabilityManager.WorkType;
import com.cloud.host.DetailVO;
import com.cloud.host.Host;
import com.cloud.host.Host.Type;
import com.cloud.host.HostStats;
import com.cloud.host.HostVO;
import com.cloud.host.Status;
import com.cloud.host.Status.Event;
import com.cloud.host.dao.HostDao;
import com.cloud.host.dao.HostDetailsDao;
import com.cloud.host.dao.HostTagsDao;
import com.cloud.hypervisor.Hypervisor;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.hypervisor.kvm.discoverer.KvmDummyResourceBase;
import com.cloud.network.dao.IPAddressDao;
import com.cloud.network.dao.IPAddressVO;
import com.cloud.org.Cluster;
import com.cloud.org.Grouping;
import com.cloud.org.Managed;
import com.cloud.serializer.GsonHelper;
import com.cloud.service.ServiceOfferingVO;
import com.cloud.service.dao.ServiceOfferingDao;
import com.cloud.service.dao.ServiceOfferingDetailsDao;
import com.cloud.storage.GuestOSCategoryVO;
import com.cloud.storage.StorageManager;
import com.cloud.storage.StoragePool;
import com.cloud.storage.StoragePoolHostVO;
import com.cloud.storage.StoragePoolStatus;
import com.cloud.storage.StorageService;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.dao.DiskOfferingDao;
import com.cloud.storage.dao.GuestOSCategoryDao;
import com.cloud.storage.dao.StoragePoolHostDao;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.user.Account;
import com.cloud.user.AccountManager;
import com.cloud.utils.Ternary;
import com.cloud.utils.UriUtils;
import com.cloud.utils.component.Manager;
import com.cloud.utils.component.ManagerBase;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.Filter;
import com.cloud.utils.db.GenericSearchBuilder;
import com.cloud.utils.db.GlobalLock;
import com.cloud.utils.db.JoinBuilder;
import com.cloud.utils.db.QueryBuilder;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.SearchCriteria.Func;
import com.cloud.utils.db.SearchCriteria.Op;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.db.TransactionCallback;
import com.cloud.utils.db.TransactionCallbackNoReturn;
import com.cloud.utils.db.TransactionLegacy;
import com.cloud.utils.db.TransactionStatus;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.fsm.NoTransitionException;
import com.cloud.utils.net.Ip;
import com.cloud.utils.net.NetUtils;
import com.cloud.utils.ssh.SSHCmdHelper;
import com.cloud.utils.ssh.SshException;
import com.cloud.vm.UserVmManager;
import com.cloud.vm.VMInstanceVO;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.VirtualMachine.State;
import com.cloud.vm.VirtualMachineManager;
import com.cloud.vm.VirtualMachineProfile;
import com.cloud.vm.VirtualMachineProfileImpl;
import com.cloud.vm.VmDetailConstants;
import com.cloud.vm.dao.UserVmDetailsDao;
import com.cloud.vm.dao.VMInstanceDao;
import com.google.gson.Gson;
@Component
public class ResourceManagerImpl extends ManagerBase implements ResourceManager, ResourceService, Manager {
private static final Logger s_logger = Logger.getLogger(ResourceManagerImpl.class);
Gson _gson;
@Inject
private AccountManager _accountMgr;
@Inject
private AgentManager _agentMgr;
@Inject
private StorageManager _storageMgr;
@Inject
private DataCenterDao _dcDao;
@Inject
private HostPodDao _podDao;
@Inject
private ClusterDetailsDao _clusterDetailsDao;
@Inject
private ClusterDao _clusterDao;
@Inject
private CapacityDao _capacityDao;
@Inject
private DiskOfferingDao diskOfferingDao;
@Inject
private ServiceOfferingDao serviceOfferingDao;
@Inject
private HostDao _hostDao;
@Inject
private HostDetailsDao _hostDetailsDao;
@Inject
private ConfigurationDao _configDao;
@Inject
private HostTagsDao _hostTagsDao;
@Inject
private GuestOSCategoryDao _guestOSCategoryDao;
@Inject
protected HostGpuGroupsDao _hostGpuGroupsDao;
@Inject
protected VGPUTypesDao _vgpuTypesDao;
@Inject
private PrimaryDataStoreDao _storagePoolDao;
@Inject
private DataCenterIpAddressDao _privateIPAddressDao;
@Inject
private IPAddressDao _publicIPAddressDao;
@Inject
private DeploymentPlanningManager deploymentManager;
@Inject
private VirtualMachineManager _vmMgr;
@Inject
private VMInstanceDao _vmDao;
@Inject
private HighAvailabilityManager _haMgr;
@Inject
private StorageService _storageSvr;
@Inject
PlannerHostReservationDao _plannerHostReserveDao;
@Inject
private DedicatedResourceDao _dedicatedDao;
@Inject
private ServiceOfferingDetailsDao _serviceOfferingDetailsDao;
@Inject
private UserVmManager userVmManager;
private List<? extends Discoverer> _discoverers;
public List<? extends Discoverer> getDiscoverers() {
return _discoverers;
}
public void setDiscoverers(final List<? extends Discoverer> discoverers) {
_discoverers = discoverers;
}
@Inject
private ClusterManager _clusterMgr;
@Inject
private StoragePoolHostDao _storagePoolHostDao;
@Inject
private VMTemplateDao _templateDao;
@Inject
private ConfigurationManager _configMgr;
@Inject
private ClusterVSMMapDao _clusterVSMMapDao;
@Inject
private UserVmDetailsDao userVmDetailsDao;
@Inject
private AnnotationDao annotationDao;
@Inject
private AlertManager alertManager;
@Inject
private AnnotationService annotationService;
@Inject
private VolumeDao volumeDao;
private final long _nodeId = ManagementServerNode.getManagementServerId();
private final HashMap<String, ResourceStateAdapter> _resourceStateAdapters = new HashMap<String, ResourceStateAdapter>();
private final HashMap<Integer, List<ResourceListener>> _lifeCycleListeners = new HashMap<Integer, List<ResourceListener>>();
private HypervisorType _defaultSystemVMHypervisor;
private static final int ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION = 30; // seconds
private GenericSearchBuilder<HostVO, String> _hypervisorsInDC;
private SearchBuilder<HostGpuGroupsVO> _gpuAvailability;
private void insertListener(final Integer event, final ResourceListener listener) {
List<ResourceListener> lst = _lifeCycleListeners.get(event);
if (lst == null) {
lst = new ArrayList<ResourceListener>();
_lifeCycleListeners.put(event, lst);
}
if (lst.contains(listener)) {
throw new CloudRuntimeException("Duplicate resource lisener:" + listener.getClass().getSimpleName());
}
lst.add(listener);
}
@Override
public void registerResourceEvent(final Integer event, final ResourceListener listener) {
synchronized (_lifeCycleListeners) {
if ((event & ResourceListener.EVENT_DISCOVER_BEFORE) != 0) {
insertListener(ResourceListener.EVENT_DISCOVER_BEFORE, listener);
}
if ((event & ResourceListener.EVENT_DISCOVER_AFTER) != 0) {
insertListener(ResourceListener.EVENT_DISCOVER_AFTER, listener);
}
if ((event & ResourceListener.EVENT_DELETE_HOST_BEFORE) != 0) {
insertListener(ResourceListener.EVENT_DELETE_HOST_BEFORE, listener);
}
if ((event & ResourceListener.EVENT_DELETE_HOST_AFTER) != 0) {
insertListener(ResourceListener.EVENT_DELETE_HOST_AFTER, listener);
}
if ((event & ResourceListener.EVENT_CANCEL_MAINTENANCE_BEFORE) != 0) {
insertListener(ResourceListener.EVENT_CANCEL_MAINTENANCE_BEFORE, listener);
}
if ((event & ResourceListener.EVENT_CANCEL_MAINTENANCE_AFTER) != 0) {
insertListener(ResourceListener.EVENT_CANCEL_MAINTENANCE_AFTER, listener);
}
if ((event & ResourceListener.EVENT_PREPARE_MAINTENANCE_BEFORE) != 0) {
insertListener(ResourceListener.EVENT_PREPARE_MAINTENANCE_BEFORE, listener);
}
if ((event & ResourceListener.EVENT_PREPARE_MAINTENANCE_AFTER) != 0) {
insertListener(ResourceListener.EVENT_PREPARE_MAINTENANCE_AFTER, listener);
}
}
}
@Override
public void unregisterResourceEvent(final ResourceListener listener) {
synchronized (_lifeCycleListeners) {
final Iterator it = _lifeCycleListeners.entrySet().iterator();
while (it.hasNext()) {
final Map.Entry<Integer, List<ResourceListener>> items = (Map.Entry<Integer, List<ResourceListener>>)it.next();
final List<ResourceListener> lst = items.getValue();
lst.remove(listener);
}
}
}
protected void processResourceEvent(final Integer event, final Object... params) {
final List<ResourceListener> lst = _lifeCycleListeners.get(event);
if (lst == null || lst.size() == 0) {
return;
}
String eventName;
for (final ResourceListener l : lst) {
if (event.equals(ResourceListener.EVENT_DISCOVER_BEFORE)) {
l.processDiscoverEventBefore((Long)params[0], (Long)params[1], (Long)params[2], (URI)params[3], (String)params[4], (String)params[5],
(List<String>)params[6]);
eventName = "EVENT_DISCOVER_BEFORE";
} else if (event.equals(ResourceListener.EVENT_DISCOVER_AFTER)) {
l.processDiscoverEventAfter((Map<? extends ServerResource, Map<String, String>>)params[0]);
eventName = "EVENT_DISCOVER_AFTER";
} else if (event.equals(ResourceListener.EVENT_DELETE_HOST_BEFORE)) {
l.processDeleteHostEventBefore((HostVO)params[0]);
eventName = "EVENT_DELETE_HOST_BEFORE";
} else if (event.equals(ResourceListener.EVENT_DELETE_HOST_AFTER)) {
l.processDeletHostEventAfter((HostVO)params[0]);
eventName = "EVENT_DELETE_HOST_AFTER";
} else if (event.equals(ResourceListener.EVENT_CANCEL_MAINTENANCE_BEFORE)) {
l.processCancelMaintenaceEventBefore((Long)params[0]);
eventName = "EVENT_CANCEL_MAINTENANCE_BEFORE";
} else if (event.equals(ResourceListener.EVENT_CANCEL_MAINTENANCE_AFTER)) {
l.processCancelMaintenaceEventAfter((Long)params[0]);
eventName = "EVENT_CANCEL_MAINTENANCE_AFTER";
} else if (event.equals(ResourceListener.EVENT_PREPARE_MAINTENANCE_BEFORE)) {
l.processPrepareMaintenaceEventBefore((Long)params[0]);
eventName = "EVENT_PREPARE_MAINTENANCE_BEFORE";
} else if (event.equals(ResourceListener.EVENT_PREPARE_MAINTENANCE_AFTER)) {
l.processPrepareMaintenaceEventAfter((Long)params[0]);
eventName = "EVENT_PREPARE_MAINTENANCE_AFTER";
} else {
throw new CloudRuntimeException("Unknown resource event:" + event);
}
s_logger.debug("Sent resource event " + eventName + " to listener " + l.getClass().getSimpleName());
}
}
@DB
@Override
public List<? extends Cluster> discoverCluster(final AddClusterCmd cmd) throws IllegalArgumentException, DiscoveryException, ResourceInUseException {
final long dcId = cmd.getZoneId();
final long podId = cmd.getPodId();
final String clusterName = cmd.getClusterName();
String url = cmd.getUrl();
final String username = cmd.getUsername();
final String password = cmd.getPassword();
if (url != null) {
url = URLDecoder.decode(url);
}
URI uri = null;
// Check if the zone exists in the system
final DataCenterVO zone = _dcDao.findById(dcId);
if (zone == null) {
final InvalidParameterValueException ex = new InvalidParameterValueException("Can't find zone by the id specified");
ex.addProxyObject(String.valueOf(dcId), "dcId");
throw ex;
}
final Account account = CallContext.current().getCallingAccount();
if (Grouping.AllocationState.Disabled == zone.getAllocationState() && !_accountMgr.isRootAdmin(account.getId())) {
final PermissionDeniedException ex = new PermissionDeniedException("Cannot perform this operation, Zone with specified id is currently disabled");
ex.addProxyObject(zone.getUuid(), "dcId");
throw ex;
}
final HostPodVO pod = _podDao.findById(podId);
if (pod == null) {
throw new InvalidParameterValueException("Can't find pod with specified podId " + podId);
}
// Check if the pod exists in the system
if (_podDao.findById(podId) == null) {
throw new InvalidParameterValueException("Can't find pod by id " + podId);
}
// check if pod belongs to the zone
if (!Long.valueOf(pod.getDataCenterId()).equals(dcId)) {
final InvalidParameterValueException ex = new InvalidParameterValueException("Pod with specified id doesn't belong to the zone " + dcId);
ex.addProxyObject(pod.getUuid(), "podId");
ex.addProxyObject(zone.getUuid(), "dcId");
throw ex;
}
// Verify cluster information and create a new cluster if needed
if (clusterName == null || clusterName.isEmpty()) {
throw new InvalidParameterValueException("Please specify cluster name");
}
if (cmd.getHypervisor() == null || cmd.getHypervisor().isEmpty()) {
throw new InvalidParameterValueException("Please specify a hypervisor");
}
final Hypervisor.HypervisorType hypervisorType = Hypervisor.HypervisorType.getType(cmd.getHypervisor());
if (hypervisorType == null) {
s_logger.error("Unable to resolve " + cmd.getHypervisor() + " to a valid supported hypervisor type");
throw new InvalidParameterValueException("Unable to resolve " + cmd.getHypervisor() + " to a supported ");
}
if (zone.isSecurityGroupEnabled() && zone.getNetworkType().equals(NetworkType.Advanced)) {
if (hypervisorType != HypervisorType.KVM && hypervisorType != HypervisorType.XenServer
&& hypervisorType != HypervisorType.LXC && hypervisorType != HypervisorType.Simulator) {
throw new InvalidParameterValueException("Don't support hypervisor type " + hypervisorType + " in advanced security enabled zone");
}
}
Cluster.ClusterType clusterType = null;
if (cmd.getClusterType() != null && !cmd.getClusterType().isEmpty()) {
clusterType = Cluster.ClusterType.valueOf(cmd.getClusterType());
}
if (clusterType == null) {
clusterType = Cluster.ClusterType.CloudManaged;
}
Grouping.AllocationState allocationState = null;
if (cmd.getAllocationState() != null && !cmd.getAllocationState().isEmpty()) {
try {
allocationState = Grouping.AllocationState.valueOf(cmd.getAllocationState());
} catch (final IllegalArgumentException ex) {
throw new InvalidParameterValueException("Unable to resolve Allocation State '" + cmd.getAllocationState() + "' to a supported state");
}
}
if (allocationState == null) {
allocationState = Grouping.AllocationState.Enabled;
}
final Discoverer discoverer = getMatchingDiscover(hypervisorType);
if (discoverer == null) {
throw new InvalidParameterValueException("Could not find corresponding resource manager for " + cmd.getHypervisor());
}
if (hypervisorType == HypervisorType.VMware) {
final Map<String, String> allParams = cmd.getFullUrlParams();
discoverer.putParam(allParams);
}
final List<ClusterVO> result = new ArrayList<ClusterVO>();
ClusterVO cluster = new ClusterVO(dcId, podId, clusterName);
cluster.setHypervisorType(hypervisorType.toString());
cluster.setClusterType(clusterType);
cluster.setAllocationState(allocationState);
try {
cluster = _clusterDao.persist(cluster);
} catch (final Exception e) {
// no longer tolerate exception during the cluster creation phase
final CloudRuntimeException ex = new CloudRuntimeException("Unable to create cluster " + clusterName + " in pod and data center with specified ids", e);
// Get the pod VO object's table name.
ex.addProxyObject(pod.getUuid(), "podId");
ex.addProxyObject(zone.getUuid(), "dcId");
throw ex;
}
result.add(cluster);
if (clusterType == Cluster.ClusterType.CloudManaged) {
final Map<String, String> details = new HashMap<String, String>();
// should do this nicer perhaps ?
if (hypervisorType == HypervisorType.Ovm3) {
final Map<String, String> allParams = cmd.getFullUrlParams();
details.put("ovm3vip", allParams.get("ovm3vip"));
details.put("ovm3pool", allParams.get("ovm3pool"));
details.put("ovm3cluster", allParams.get("ovm3cluster"));
}
details.put("cpuOvercommitRatio", CapacityManager.CpuOverprovisioningFactor.value().toString());
details.put("memoryOvercommitRatio", CapacityManager.MemOverprovisioningFactor.value().toString());
_clusterDetailsDao.persist(cluster.getId(), details);
return result;
}
// save cluster details for later cluster/host cross-checking
final Map<String, String> details = new HashMap<>();
details.put("url", url);
details.put("username", StringUtils.defaultString(username));
details.put("password", StringUtils.defaultString(password));
details.put("cpuOvercommitRatio", CapacityManager.CpuOverprovisioningFactor.value().toString());
details.put("memoryOvercommitRatio", CapacityManager.MemOverprovisioningFactor.value().toString());
_clusterDetailsDao.persist(cluster.getId(), details);
boolean success = false;
try {
try {
uri = new URI(UriUtils.encodeURIComponent(url));
if (uri.getScheme() == null) {
throw new InvalidParameterValueException("uri.scheme is null " + url + ", add http:// as a prefix");
} else if (uri.getScheme().equalsIgnoreCase("http")) {
if (uri.getHost() == null || uri.getHost().equalsIgnoreCase("") || uri.getPath() == null || uri.getPath().equalsIgnoreCase("")) {
throw new InvalidParameterValueException("Your host and/or path is wrong. Make sure it's of the format http://hostname/path");
}
}
} catch (final URISyntaxException e) {
throw new InvalidParameterValueException(url + " is not a valid uri");
}
final List<HostVO> hosts = new ArrayList<HostVO>();
Map<? extends ServerResource, Map<String, String>> resources = null;
resources = discoverer.find(dcId, podId, cluster.getId(), uri, username, password, null);
if (resources != null) {
for (final Map.Entry<? extends ServerResource, Map<String, String>> entry : resources.entrySet()) {
final ServerResource resource = entry.getKey();
final HostVO host = (HostVO)createHostAndAgent(resource, entry.getValue(), true, null, false);
if (host != null) {
hosts.add(host);
}
discoverer.postDiscovery(hosts, _nodeId);
}
s_logger.info("External cluster has been successfully discovered by " + discoverer.getName());
success = true;
CallContext.current().putContextParameter(Cluster.class, cluster.getUuid());
return result;
}
s_logger.warn("Unable to find the server resources at " + url);
throw new DiscoveryException("Unable to add the external cluster");
} finally {
if (!success) {
_clusterDetailsDao.deleteDetails(cluster.getId());
_clusterDao.remove(cluster.getId());
}
}
}
@Override
public Discoverer getMatchingDiscover(final Hypervisor.HypervisorType hypervisorType) {
for (final Discoverer discoverer : _discoverers) {
if (discoverer.getHypervisorType() == hypervisorType) {
return discoverer;
}
}
return null;
}
@Override
public List<? extends Host> discoverHosts(final AddHostCmd cmd) throws IllegalArgumentException, DiscoveryException, InvalidParameterValueException {
Long dcId = cmd.getZoneId();
final Long podId = cmd.getPodId();
final Long clusterId = cmd.getClusterId();
String clusterName = cmd.getClusterName();
final String url = cmd.getUrl();
final String username = cmd.getUsername();
final String password = cmd.getPassword();
final List<String> hostTags = cmd.getHostTags();
dcId = _accountMgr.checkAccessAndSpecifyAuthority(CallContext.current().getCallingAccount(), dcId);
// this is for standalone option
if (clusterName == null && clusterId == null) {
clusterName = "Standalone-" + url;
}
if (clusterId != null) {
final ClusterVO cluster = _clusterDao.findById(clusterId);
if (cluster == null) {
final InvalidParameterValueException ex = new InvalidParameterValueException("can not find cluster for specified clusterId");
ex.addProxyObject(clusterId.toString(), "clusterId");
throw ex;
} else {
if (cluster.getGuid() == null) {
final List<HostVO> hosts = listAllHostsInCluster(clusterId);
if (!hosts.isEmpty()) {
final CloudRuntimeException ex =
new CloudRuntimeException("Guid is not updated for cluster with specified cluster id; need to wait for hosts in this cluster to come up");
ex.addProxyObject(cluster.getUuid(), "clusterId");
throw ex;
}
}
}
}
String hypervisorType = cmd.getHypervisor().equalsIgnoreCase(HypervisorGuru.HypervisorCustomDisplayName.value()) ?
"Custom" : cmd.getHypervisor();
return discoverHostsFull(dcId, podId, clusterId, clusterName, url, username, password, hypervisorType, hostTags, cmd.getFullUrlParams(), false);
}
@Override
public List<? extends Host> discoverHosts(final AddSecondaryStorageCmd cmd) throws IllegalArgumentException, DiscoveryException, InvalidParameterValueException {
final Long dcId = cmd.getZoneId();
final String url = cmd.getUrl();
return discoverHostsFull(dcId, null, null, null, url, null, null, "SecondaryStorage", null, null, false);
}
private List<HostVO> discoverHostsFull(final Long dcId, final Long podId, Long clusterId, final String clusterName, String url, String username, String password,
final String hypervisorType, final List<String> hostTags, final Map<String, String> params, final boolean deferAgentCreation) throws IllegalArgumentException, DiscoveryException,
InvalidParameterValueException {
URI uri = null;
// Check if the zone exists in the system
final DataCenterVO zone = _dcDao.findById(dcId);
if (zone == null) {
throw new InvalidParameterValueException("Can't find zone by id " + dcId);
}
final Account account = CallContext.current().getCallingAccount();
if (Grouping.AllocationState.Disabled == zone.getAllocationState() && !_accountMgr.isRootAdmin(account.getId())) {
final PermissionDeniedException ex = new PermissionDeniedException("Cannot perform this operation, Zone with specified id is currently disabled");
ex.addProxyObject(zone.getUuid(), "dcId");
throw ex;
}
// Check if the pod exists in the system
if (podId != null) {
final HostPodVO pod = _podDao.findById(podId);
if (pod == null) {
throw new InvalidParameterValueException("Can't find pod by id " + podId);
}
// check if pod belongs to the zone
if (!Long.valueOf(pod.getDataCenterId()).equals(dcId)) {
final InvalidParameterValueException ex =
new InvalidParameterValueException("Pod with specified podId" + podId + " doesn't belong to the zone with specified zoneId" + dcId);
ex.addProxyObject(pod.getUuid(), "podId");
ex.addProxyObject(zone.getUuid(), "dcId");
throw ex;
}
}
// Verify cluster information and create a new cluster if needed
if (clusterName != null && clusterId != null) {
throw new InvalidParameterValueException("Can't specify cluster by both id and name");
}
if (hypervisorType == null || hypervisorType.isEmpty()) {
throw new InvalidParameterValueException("Need to specify Hypervisor Type");
}
if ((clusterName != null || clusterId != null) && podId == null) {
throw new InvalidParameterValueException("Can't specify cluster without specifying the pod");
}
List<String> skipList = Arrays.asList(HypervisorType.VMware.name().toLowerCase(Locale.ROOT), Type.SecondaryStorage.name().toLowerCase(Locale.ROOT));
if (!skipList.contains(hypervisorType.toLowerCase(Locale.ROOT))) {
if (HypervisorType.KVM.toString().equalsIgnoreCase(hypervisorType)) {
if (StringUtils.isBlank(username)) {
throw new InvalidParameterValueException("Username need to be provided.");
}
} else {
if (StringUtils.isBlank(username) || StringUtils.isBlank(password)) {
throw new InvalidParameterValueException("Username and Password need to be provided.");
}
}
}
if (clusterId != null) {
if (_clusterDao.findById(clusterId) == null) {
throw new InvalidParameterValueException("Can't find cluster by id " + clusterId);
}
if (hypervisorType.equalsIgnoreCase(HypervisorType.VMware.toString())) {
// VMware only allows adding host to an existing cluster, as we
// already have a lot of information
// in cluster object, to simplify user input, we will construct
// neccessary information here
final Map<String, String> clusterDetails = _clusterDetailsDao.findDetails(clusterId);
username = clusterDetails.get("username");
assert username != null;
password = clusterDetails.get("password");
assert password != null;
try {
uri = new URI(UriUtils.encodeURIComponent(url));
url = clusterDetails.get("url") + "/" + uri.getHost();
} catch (final URISyntaxException e) {
throw new InvalidParameterValueException(url + " is not a valid uri");
}
}
}
if ((hypervisorType.equalsIgnoreCase(HypervisorType.BareMetal.toString()))) {
if (hostTags.isEmpty()) {
throw new InvalidParameterValueException("hosttag is mandatory while adding host of type Baremetal");
}
}
if (clusterName != null) {
final HostPodVO pod = _podDao.findById(podId);
if (pod == null) {
throw new InvalidParameterValueException("Can't find pod by id " + podId);
}
ClusterVO cluster = new ClusterVO(dcId, podId, clusterName);
cluster.setHypervisorType(hypervisorType);
try {
cluster = _clusterDao.persist(cluster);
} catch (final Exception e) {
cluster = _clusterDao.findBy(clusterName, podId);
if (cluster == null) {
final CloudRuntimeException ex =
new CloudRuntimeException("Unable to create cluster " + clusterName + " in pod with specified podId and data center with specified dcID", e);
ex.addProxyObject(pod.getUuid(), "podId");
ex.addProxyObject(zone.getUuid(), "dcId");
throw ex;
}
}
clusterId = cluster.getId();
if (_clusterDetailsDao.findDetail(clusterId, "cpuOvercommitRatio") == null) {
final ClusterDetailsVO cluster_cpu_detail = new ClusterDetailsVO(clusterId, "cpuOvercommitRatio", "1");
final ClusterDetailsVO cluster_memory_detail = new ClusterDetailsVO(clusterId, "memoryOvercommitRatio", "1");
_clusterDetailsDao.persist(cluster_cpu_detail);
_clusterDetailsDao.persist(cluster_memory_detail);
}
}
try {
uri = new URI(UriUtils.encodeURIComponent(url));
if (uri.getScheme() == null) {
throw new InvalidParameterValueException("uri.scheme is null " + url + ", add nfs:// (or cifs://) as a prefix");
} else if (uri.getScheme().equalsIgnoreCase("nfs")) {
if (uri.getHost() == null || uri.getHost().equalsIgnoreCase("") || uri.getPath() == null || uri.getPath().equalsIgnoreCase("")) {
throw new InvalidParameterValueException("Your host and/or path is wrong. Make sure it's of the format nfs://hostname/path");
}
} else if (uri.getScheme().equalsIgnoreCase("cifs")) {
// Don't validate against a URI encoded URI.
final URI cifsUri = new URI(url);
final String warnMsg = UriUtils.getCifsUriParametersProblems(cifsUri);
if (warnMsg != null) {
throw new InvalidParameterValueException(warnMsg);
}
}
} catch (final URISyntaxException e) {
throw new InvalidParameterValueException(url + " is not a valid uri");
}
final List<HostVO> hosts = new ArrayList<HostVO>();
s_logger.info("Trying to add a new host at " + url + " in data center " + dcId);
boolean isHypervisorTypeSupported = false;
for (final Discoverer discoverer : _discoverers) {
if (params != null) {
discoverer.putParam(params);
}
if (!discoverer.matchHypervisor(hypervisorType)) {
continue;
}
isHypervisorTypeSupported = true;
Map<? extends ServerResource, Map<String, String>> resources = null;
processResourceEvent(ResourceListener.EVENT_DISCOVER_BEFORE, dcId, podId, clusterId, uri, username, password, hostTags);
try {
resources = discoverer.find(dcId, podId, clusterId, uri, username, password, hostTags);
} catch (final DiscoveryException e) {
String errorMsg = String.format("Could not add host at [%s] with zone [%s], pod [%s] and cluster [%s] due to: [%s].",
uri, dcId, podId, clusterId, e.getMessage());
if (s_logger.isDebugEnabled()) {
s_logger.debug(errorMsg, e);
}
throw new DiscoveryException(errorMsg, e);
} catch (final Exception e) {
String err = "Exception in host discovery process with discoverer: " + discoverer.getName();
s_logger.info(err + ", skip to another discoverer if there is any");
if (s_logger.isDebugEnabled()) {
s_logger.debug(err + ":" + e.getMessage(), e);
}
}
processResourceEvent(ResourceListener.EVENT_DISCOVER_AFTER, resources);
if (resources != null) {
for (final Map.Entry<? extends ServerResource, Map<String, String>> entry : resources.entrySet()) {
final ServerResource resource = entry.getKey();
/*
* For KVM, if we go to here, that means kvm agent is
* already connected to mgt svr.
*/
if (resource instanceof KvmDummyResourceBase) {
final Map<String, String> details = entry.getValue();
final String guid = details.get("guid");
final List<HostVO> kvmHosts = listAllUpAndEnabledHosts(Host.Type.Routing, clusterId, podId, dcId);
for (final HostVO host : kvmHosts) {
if (host.getGuid().equalsIgnoreCase(guid)) {
if (hostTags != null) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Adding Host Tags for KVM host, tags: :" + hostTags);
}
_hostTagsDao.persist(host.getId(), hostTags, false);
}
hosts.add(host);
_agentMgr.notifyMonitorsOfNewlyAddedHost(host.getId());
return hosts;
}
}
return null;
}
HostVO host = null;
if (deferAgentCreation) {
host = (HostVO)createHostAndAgentDeferred(resource, entry.getValue(), true, hostTags, false);
} else {
host = (HostVO)createHostAndAgent(resource, entry.getValue(), true, hostTags, false);
}
if (host != null) {
hosts.add(host);
}
discoverer.postDiscovery(hosts, _nodeId);
}
s_logger.info("server resources successfully discovered by " + discoverer.getName());
return hosts;
}
}
if (!isHypervisorTypeSupported) {
final String msg = "Do not support HypervisorType " + hypervisorType + " for " + url;
s_logger.warn(msg);
throw new DiscoveryException(msg);
}
String errorMsg = "Cannot find the server resources at " + url;
s_logger.warn(errorMsg);
throw new DiscoveryException("Unable to add the host: " + errorMsg);
}
@Override
public Host getHost(final long hostId) {
return _hostDao.findById(hostId);
}
@DB
protected boolean doDeleteHost(final long hostId, final boolean isForced, final boolean isForceDeleteStorage) {
_accountMgr.getActiveUser(CallContext.current().getCallingUserId());
// Verify that host exists
final HostVO host = _hostDao.findById(hostId);
if (host == null) {
throw new InvalidParameterValueException("Host with id " + hostId + " doesn't exist");
}
_accountMgr.checkAccessAndSpecifyAuthority(CallContext.current().getCallingAccount(), host.getDataCenterId());
if (!canDeleteHost(host) && !isForced) {
throw new CloudRuntimeException("Host " + host.getUuid() +
" cannot be deleted as it is not in maintenance mode. Either put the host into maintenance or perform a forced deletion.");
}
// Get storage pool host mappings here because they can be removed as a
// part of handleDisconnect later
final List<StoragePoolHostVO> pools = _storagePoolHostDao.listByHostIdIncludingRemoved(hostId);
final ResourceStateAdapter.DeleteHostAnswer answer =
(ResourceStateAdapter.DeleteHostAnswer)dispatchToStateAdapters(ResourceStateAdapter.Event.DELETE_HOST, false, host, isForced,
isForceDeleteStorage);
if (answer == null) {
throw new CloudRuntimeException("No resource adapter respond to DELETE_HOST event for " + host.getName() + " id = " + hostId + ", hypervisorType is " +
host.getHypervisorType() + ", host type is " + host.getType());
}
if (answer.getIsException()) {
return false;
}
if (!answer.getIsContinue()) {
return true;
}
Long clusterId = host.getClusterId();
_agentMgr.notifyMonitorsOfHostAboutToBeRemoved(host.getId());
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(final TransactionStatus status) {
_dcDao.releasePrivateIpAddress(host.getPrivateIpAddress(), host.getDataCenterId(), null);
_agentMgr.disconnectWithoutInvestigation(hostId, Status.Event.Remove);
// delete host details
_hostDetailsDao.deleteDetails(hostId);
// if host is GPU enabled, delete GPU entries
_hostGpuGroupsDao.deleteGpuEntries(hostId);
// delete host tags
_hostTagsDao.deleteTags(hostId);
host.setGuid(null);
final Long clusterId = host.getClusterId();
host.setClusterId(null);
_hostDao.update(host.getId(), host);
Host hostRemoved = _hostDao.findById(hostId);
_hostDao.remove(hostId);
if (clusterId != null) {
final List<HostVO> hosts = listAllHostsInCluster(clusterId);
if (hosts.size() == 0) {
final ClusterVO cluster = _clusterDao.findById(clusterId);
cluster.setGuid(null);
_clusterDao.update(clusterId, cluster);
}
}
try {
resourceStateTransitTo(host, ResourceState.Event.DeleteHost, _nodeId);
} catch (final NoTransitionException e) {
s_logger.debug(String.format("Cannot transit %s to Enabled state", host), e);
}
// Delete the associated entries in host ref table
_storagePoolHostDao.deletePrimaryRecordsForHost(hostId);
// Make sure any VMs that were marked as being on this host are cleaned up
final List<VMInstanceVO> vms = _vmDao.listByHostId(hostId);
for (final VMInstanceVO vm : vms) {
// this is how VirtualMachineManagerImpl does it when it syncs VM states
vm.setState(State.Stopped);
vm.setHostId(null);
_vmDao.persist(vm);
}
// For pool ids you got, delete local storage host entries in pool table
// where
for (final StoragePoolHostVO pool : pools) {
final Long poolId = pool.getPoolId();
final StoragePoolVO storagePool = _storagePoolDao.findById(poolId);
if (storagePool.isLocal() && isForceDeleteStorage) {
destroyLocalStoragePoolVolumes(poolId);
storagePool.setUuid(null);
storagePool.setClusterId(null);
_storagePoolDao.update(poolId, storagePool);
_storagePoolDao.remove(poolId);
s_logger.debug(String.format("Local storage [id: %s] is removed as a part of %s removal", poolId, hostRemoved.toString()));
}
}
// delete the op_host_capacity entry
final Object[] capacityTypes = {Capacity.CAPACITY_TYPE_CPU, Capacity.CAPACITY_TYPE_MEMORY, Capacity.CAPACITY_TYPE_CPU_CORE};
final SearchCriteria<CapacityVO> hostCapacitySC = _capacityDao.createSearchCriteria();
hostCapacitySC.addAnd("hostOrPoolId", SearchCriteria.Op.EQ, hostId);
hostCapacitySC.addAnd("capacityType", SearchCriteria.Op.IN, capacityTypes);
_capacityDao.remove(hostCapacitySC);
// remove from dedicated resources
final DedicatedResourceVO dr = _dedicatedDao.findByHostId(hostId);
if (dr != null) {
_dedicatedDao.remove(dr.getId());
}
// Remove comments (if any)
annotationDao.removeByEntityType(AnnotationService.EntityType.HOST.name(), host.getUuid());
}
});
if (clusterId != null) {
_agentMgr.notifyMonitorsOfRemovedHost(host.getId(), clusterId);
}
return true;
}
private void addVolumesToList(List<VolumeVO> volumes, List<VolumeVO> volumesToAdd) {
if (CollectionUtils.isNotEmpty(volumesToAdd)) {
volumes.addAll(volumesToAdd);
}
}
protected void destroyLocalStoragePoolVolumes(long poolId) {
List<VolumeVO> rootDisks = volumeDao.findByPoolId(poolId);
List<VolumeVO> dataVolumes = volumeDao.findByPoolId(poolId, Volume.Type.DATADISK);
List<VolumeVO> volumes = new ArrayList<>();
addVolumesToList(volumes, rootDisks);
addVolumesToList(volumes, dataVolumes);
if (CollectionUtils.isNotEmpty(volumes)) {
for (VolumeVO volume : volumes) {
volumeDao.updateAndRemoveVolume(volume);
}
}
}
/**
* Returns true if host can be deleted.</br>
* A host can be deleted either if it is in Maintenance or "Degraded" state.
*/
protected boolean canDeleteHost(HostVO host) {
return host.getResourceState() == ResourceState.Maintenance || host.getResourceState() == ResourceState.Degraded;
}
@Override
public boolean deleteHost(final long hostId, final boolean isForced, final boolean isForceDeleteStorage) {
try {
final Boolean result = propagateResourceEvent(hostId, ResourceState.Event.DeleteHost);
if (result != null) {
return result;
}
} catch (final AgentUnavailableException e) {
return false;
}
return doDeleteHost(hostId, isForced, isForceDeleteStorage);
}
@Override
@DB
public boolean deleteCluster(final DeleteClusterCmd cmd) {
try {
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(final TransactionStatus status) {
final ClusterVO cluster = _clusterDao.lockRow(cmd.getId(), true);
if (cluster == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Cluster: " + cmd.getId() + " does not even exist. Delete call is ignored.");
}
throw new CloudRuntimeException("Cluster: " + cmd.getId() + " does not exist");
}
final Hypervisor.HypervisorType hypervisorType = cluster.getHypervisorType();
final List<HostVO> hosts = listAllHostsInCluster(cmd.getId());
if (hosts.size() > 0) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Cluster: " + cmd.getId() + " still has hosts, can't remove");
}
throw new CloudRuntimeException("Cluster: " + cmd.getId() + " cannot be removed. Cluster still has hosts");
}
// don't allow to remove the cluster if it has non-removed storage
// pools
final List<StoragePoolVO> storagePools = _storagePoolDao.listPoolsByCluster(cmd.getId());
if (storagePools.size() > 0) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Cluster: " + cmd.getId() + " still has storage pools, can't remove");
}
throw new CloudRuntimeException("Cluster: " + cmd.getId() + " cannot be removed. Cluster still has storage pools");
}
if (_clusterDao.remove(cmd.getId())) {
_capacityDao.removeBy(null, null, null, cluster.getId(), null);
// If this cluster is of type vmware, and if the nexus vswitch
// global parameter setting is turned
// on, remove the row in cluster_vsm_map for this cluster id.
if (hypervisorType == HypervisorType.VMware && Boolean.parseBoolean(_configDao.getValue(Config.VmwareUseNexusVSwitch.toString()))) {
_clusterVSMMapDao.removeByClusterId(cmd.getId());
}
// remove from dedicated resources
final DedicatedResourceVO dr = _dedicatedDao.findByClusterId(cluster.getId());
if (dr != null) {
_dedicatedDao.remove(dr.getId());
}
// Remove comments (if any)
annotationDao.removeByEntityType(AnnotationService.EntityType.CLUSTER.name(), cluster.getUuid());
}
}
});
return true;
} catch (final CloudRuntimeException e) {
throw e;
} catch (final Throwable t) {
s_logger.error("Unable to delete cluster: " + cmd.getId(), t);
return false;
}
}
@Override
@DB
public Cluster updateCluster(UpdateClusterCmd cmd) {
ClusterVO cluster = (ClusterVO) getCluster(cmd.getId());
String clusterType = cmd.getClusterType();
String hypervisor = cmd.getHypervisor();
String allocationState = cmd.getAllocationState();
String managedstate = cmd.getManagedstate();
String name = cmd.getClusterName();
// Verify cluster information and update the cluster if needed
boolean doUpdate = false;
if (StringUtils.isNotBlank(name)) {
if(cluster.getHypervisorType() == HypervisorType.VMware) {
throw new InvalidParameterValueException("Renaming VMware cluster is not supported as it could cause problems if the updated cluster name is not mapped on VCenter.");
}
s_logger.debug("Updating Cluster name to: " + name);
cluster.setName(name);
doUpdate = true;
}
if (hypervisor != null && !hypervisor.isEmpty()) {
final Hypervisor.HypervisorType hypervisorType = Hypervisor.HypervisorType.getType(hypervisor);
if (hypervisorType == null) {
s_logger.error("Unable to resolve " + hypervisor + " to a valid supported hypervisor type");
throw new InvalidParameterValueException("Unable to resolve " + hypervisor + " to a supported type");
} else {
cluster.setHypervisorType(hypervisor);
doUpdate = true;
}
}
Cluster.ClusterType newClusterType = null;
if (clusterType != null && !clusterType.isEmpty()) {
try {
newClusterType = Cluster.ClusterType.valueOf(clusterType);
} catch (final IllegalArgumentException ex) {
throw new InvalidParameterValueException("Unable to resolve " + clusterType + " to a supported type");
}
if (newClusterType == null) {
s_logger.error("Unable to resolve " + clusterType + " to a valid supported cluster type");
throw new InvalidParameterValueException("Unable to resolve " + clusterType + " to a supported type");
} else {
cluster.setClusterType(newClusterType);
doUpdate = true;
}
}
Grouping.AllocationState newAllocationState = null;
if (allocationState != null && !allocationState.isEmpty()) {
try {
newAllocationState = Grouping.AllocationState.valueOf(allocationState);
} catch (final IllegalArgumentException ex) {
throw new InvalidParameterValueException("Unable to resolve Allocation State '" + allocationState + "' to a supported state");
}
if (newAllocationState == null) {
s_logger.error("Unable to resolve " + allocationState + " to a valid supported allocation State");
throw new InvalidParameterValueException("Unable to resolve " + allocationState + " to a supported state");
} else {
cluster.setAllocationState(newAllocationState);
doUpdate = true;
}
}
Managed.ManagedState newManagedState = null;
final Managed.ManagedState oldManagedState = cluster.getManagedState();
if (managedstate != null && !managedstate.isEmpty()) {
try {
newManagedState = Managed.ManagedState.valueOf(managedstate);
} catch (final IllegalArgumentException ex) {
throw new InvalidParameterValueException("Unable to resolve Managed State '" + managedstate + "' to a supported state");
}
if (newManagedState == null) {
s_logger.error("Unable to resolve Managed State '" + managedstate + "' to a supported state");
throw new InvalidParameterValueException("Unable to resolve Managed State '" + managedstate + "' to a supported state");
} else {
doUpdate = true;
}
}
if (doUpdate) {
_clusterDao.update(cluster.getId(), cluster);
}
if (newManagedState != null && !newManagedState.equals(oldManagedState)) {
if (newManagedState.equals(Managed.ManagedState.Unmanaged)) {
boolean success = false;
try {
cluster.setManagedState(Managed.ManagedState.PrepareUnmanaged);
_clusterDao.update(cluster.getId(), cluster);
List<HostVO> hosts = listAllHosts(Host.Type.Routing, cluster.getId(), cluster.getPodId(), cluster.getDataCenterId());
for (final HostVO host : hosts) {
if (host.getType().equals(Host.Type.Routing) && !host.getStatus().equals(Status.Down) && !host.getStatus().equals(Status.Disconnected) &&
!host.getStatus().equals(Status.Up) && !host.getStatus().equals(Status.Alert)) {
final String msg = "host " + host.getPrivateIpAddress() + " should not be in " + host.getStatus().toString() + " status";
throw new CloudRuntimeException("PrepareUnmanaged Failed due to " + msg);
}
}
for (final HostVO host : hosts) {
if (host.getStatus().equals(Status.Up)) {
umanageHost(host.getId());
}
}
final int retry = 40;
boolean lsuccess = true;
for (int i = 0; i < retry; i++) {
lsuccess = true;
try {
Thread.sleep(5 * 1000);
} catch (final Exception e) {
}
hosts = listAllUpAndEnabledHosts(Host.Type.Routing, cluster.getId(), cluster.getPodId(), cluster.getDataCenterId());
for (final HostVO host : hosts) {
if (!host.getStatus().equals(Status.Down) && !host.getStatus().equals(Status.Disconnected) && !host.getStatus().equals(Status.Alert)) {
lsuccess = false;
break;
}
}
if (lsuccess == true) {
success = true;
break;
}
}
if (success == false) {
throw new CloudRuntimeException("PrepareUnmanaged Failed due to some hosts are still in UP status after 5 Minutes, please try later ");
}
} finally {
cluster.setManagedState(success ? Managed.ManagedState.Unmanaged : Managed.ManagedState.PrepareUnmanagedError);
_clusterDao.update(cluster.getId(), cluster);
}
} else if (newManagedState.equals(Managed.ManagedState.Managed)) {
cluster.setManagedState(Managed.ManagedState.Managed);
_clusterDao.update(cluster.getId(), cluster);
}
}
return cluster;
}
@Override
public Host cancelMaintenance(final CancelMaintenanceCmd cmd) {
final Long hostId = cmd.getId();
// verify input parameters
final HostVO host = _hostDao.findById(hostId);
if (host == null || host.getRemoved() != null) {
throw new InvalidParameterValueException("Host with id " + hostId.toString() + " doesn't exist");
}
if (!ResourceState.isMaintenanceState(host.getResourceState())) {
throw new CloudRuntimeException("Cannot perform cancelMaintenance when resource state is " + host.getResourceState() + ", hostId = " + hostId);
}
processResourceEvent(ResourceListener.EVENT_CANCEL_MAINTENANCE_BEFORE, hostId);
final boolean success = cancelMaintenance(hostId);
processResourceEvent(ResourceListener.EVENT_CANCEL_MAINTENANCE_AFTER, hostId);
if (!success) {
throw new CloudRuntimeException("Internal error cancelling maintenance.");
}
return host;
}
@Override
public Host reconnectHost(ReconnectHostCmd cmd) throws AgentUnavailableException {
Long hostId = cmd.getId();
HostVO host = _hostDao.findById(hostId);
if (host == null) {
throw new InvalidParameterValueException("Host with id " + hostId.toString() + " doesn't exist");
}
_agentMgr.reconnect(hostId);
return host;
}
@Override
public boolean resourceStateTransitTo(final Host host, final ResourceState.Event event, final long msId) throws NoTransitionException {
final ResourceState currentState = host.getResourceState();
final ResourceState nextState = currentState.getNextState(event);
if (nextState == null) {
throw new NoTransitionException("No next resource state found for current state = " + currentState + " event = " + event);
}
// TO DO - Make it more granular and have better conversion into capacity type
if(host.getType() == Type.Routing){
final CapacityState capacityState = nextState == ResourceState.Enabled ? CapacityState.Enabled : CapacityState.Disabled;
final short[] capacityTypes = { Capacity.CAPACITY_TYPE_CPU, Capacity.CAPACITY_TYPE_MEMORY, Capacity.CAPACITY_TYPE_CPU_CORE };
_capacityDao.updateCapacityState(null, null, null, host.getId(), capacityState.toString(), capacityTypes);
final StoragePoolVO storagePool = _storageMgr.findLocalStorageOnHost(host.getId());
if(storagePool != null){
final short[] capacityTypesLocalStorage = {Capacity.CAPACITY_TYPE_LOCAL_STORAGE};
_capacityDao.updateCapacityState(null, null, null, storagePool.getId(), capacityState.toString(), capacityTypesLocalStorage);
}
}
return _hostDao.updateResourceState(currentState, event, nextState, host);
}
private void handleVmForLastHostOrWithVGpu(final HostVO host, final VMInstanceVO vm) {
// Migration is not supported for VGPU Vms so stop them.
// for the last host in this cluster, destroy SSVM/CPVM and stop all other VMs
if (VirtualMachine.Type.SecondaryStorageVm.equals(vm.getType())
|| VirtualMachine.Type.ConsoleProxy.equals(vm.getType())) {
s_logger.error(String.format("Maintenance: VM is of type %s. Destroying VM %s (ID: %s) immediately instead of migration.", vm.getType().toString(), vm.getInstanceName(), vm.getUuid()));
_haMgr.scheduleDestroy(vm, host.getId());
return;
}
s_logger.error(String.format("Maintenance: No hosts available for migrations. Scheduling shutdown for VM %s instead of migration.", vm.getUuid()));
_haMgr.scheduleStop(vm, host.getId(), WorkType.ForceStop);
}
private boolean doMaintain(final long hostId) {
final HostVO host = _hostDao.findById(hostId);
s_logger.info("Maintenance: attempting maintenance of host " + host.getUuid());
ResourceState hostState = host.getResourceState();
if (!ResourceState.canAttemptMaintenance(hostState)) {
throw new CloudRuntimeException("Cannot perform maintain when resource state is " + hostState + ", hostId = " + hostId);
}
final MaintainAnswer answer = (MaintainAnswer)_agentMgr.easySend(hostId, new MaintainCommand());
if (answer == null || !answer.getResult()) {
s_logger.warn("Unable to send MaintainCommand to host: " + hostId);
return false;
}
try {
resourceStateTransitTo(host, ResourceState.Event.AdminAskMaintenance, _nodeId);
} catch (final NoTransitionException e) {
final String err = String.format("Cannot transit resource state of %s to %s", host, ResourceState.Maintenance);
s_logger.debug(err, e);
throw new CloudRuntimeException(err + e.getMessage());
}
ActionEventUtils.onStartedActionEvent(CallContext.current().getCallingUserId(), CallContext.current().getCallingAccountId(), EventTypes.EVENT_MAINTENANCE_PREPARE, "starting maintenance for host " + hostId, hostId, null, true, 0);
_agentMgr.pullAgentToMaintenance(hostId);
/* TODO: move below to listener */
if (host.getType() == Host.Type.Routing) {
final List<VMInstanceVO> vms = _vmDao.listByHostId(hostId);
if (vms.size() == 0) {
return true;
}
List<HostVO> hosts = listAllUpAndEnabledHosts(Host.Type.Routing, host.getClusterId(), host.getPodId(), host.getDataCenterId());
if (CollectionUtils.isEmpty(hosts)) {
s_logger.warn("Unable to find a host for vm migration in cluster: " + host.getClusterId());
if (! isClusterWideMigrationPossible(host, vms, hosts)) {
return false;
}
}
for (final VMInstanceVO vm : vms) {
if (hosts == null || hosts.isEmpty() || !answer.getMigrate()
|| _serviceOfferingDetailsDao.findDetail(vm.getServiceOfferingId(), GPU.Keys.vgpuType.toString()) != null) {
handleVmForLastHostOrWithVGpu(host, vm);
} else if (HypervisorType.LXC.equals(host.getHypervisorType()) && VirtualMachine.Type.User.equals(vm.getType())){
//Migration is not supported for LXC Vms. Schedule restart instead.
_haMgr.scheduleRestart(vm, false);
} else if (userVmManager.isVMUsingLocalStorage(vm)) {
if (isMaintenanceLocalStrategyForceStop()) {
_haMgr.scheduleStop(vm, hostId, WorkType.ForceStop);
} else if (isMaintenanceLocalStrategyMigrate()) {
migrateAwayVmWithVolumes(host, vm);
} else if (!isMaintenanceLocalStrategyDefault()){
String logMessage = String.format(
"Unsupported host.maintenance.local.storage.strategy: %s. Please set a strategy according to the global settings description: "
+ "'Error', 'Migration', or 'ForceStop'.",
HOST_MAINTENANCE_LOCAL_STRATEGY.value().toString());
s_logger.error(logMessage);
throw new CloudRuntimeException("There are active VMs using the host's local storage pool. Please stop all VMs on this host that use local storage.");
}
} else {
s_logger.info("Maintenance: scheduling migration of VM " + vm.getUuid() + " from host " + host.getUuid());
_haMgr.scheduleMigration(vm);
}
}
}
return true;
}
private boolean isClusterWideMigrationPossible(Host host, List<VMInstanceVO> vms, List<HostVO> hosts) {
if (MIGRATE_VM_ACROSS_CLUSTERS.valueIn(host.getDataCenterId())) {
s_logger.info("Looking for hosts across different clusters in zone: " + host.getDataCenterId());
Long podId = null;
for (final VMInstanceVO vm : vms) {
if (VirtualMachine.systemVMs.contains(vm.getType())) {
// SystemVMs can only be migrated to same pod
podId = host.getPodId();
break;
}
}
hosts.addAll(listAllUpAndEnabledHosts(Host.Type.Routing, null, podId, host.getDataCenterId()));
if (CollectionUtils.isEmpty(hosts)) {
s_logger.warn("Unable to find a host for vm migration in zone: " + host.getDataCenterId());
return false;
}
s_logger.info("Found hosts in the zone for vm migration: " + hosts);
if (HypervisorType.VMware.equals(host.getHypervisorType())) {
s_logger.debug("Skipping pool check of volumes on VMware environment because across-cluster vm migration is supported by vMotion");
return true;
}
// Don't migrate vm if it has volumes on cluster-wide pool
for (final VMInstanceVO vm : vms) {
if (_vmMgr.checkIfVmHasClusterWideVolumes(vm.getId())) {
s_logger.warn(String.format("VM %s cannot be migrated across cluster as it has volumes on cluster-wide pool", vm));
return false;
}
}
} else {
s_logger.warn(String.format("VMs cannot be migrated across cluster since %s is false for zone ID: %d", MIGRATE_VM_ACROSS_CLUSTERS.key(), host.getDataCenterId()));
return false;
}
return true;
}
/**
* Looks for Hosts able to allocate the VM and migrates the VM with its volume.
*/
private void migrateAwayVmWithVolumes(HostVO host, VMInstanceVO vm) {
final DataCenterDeployment plan = new DataCenterDeployment(host.getDataCenterId(), host.getPodId(), host.getClusterId(), null, null, null);
ServiceOfferingVO offeringVO = serviceOfferingDao.findById(vm.getServiceOfferingId());
final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm, null, offeringVO, null, null);
plan.setMigrationPlan(true);
DeployDestination dest = null;
try {
dest = deploymentManager.planDeployment(profile, plan, new DeploymentPlanner.ExcludeList(), null);
} catch (InsufficientServerCapacityException e) {
throw new CloudRuntimeException(String.format("Maintenance failed, could not find deployment destination for VM [id=%s, name=%s].", vm.getId(), vm.getInstanceName()),
e);
}
Host destHost = dest.getHost();
try {
_vmMgr.migrateWithStorage(vm.getUuid(), host.getId(), destHost.getId(), null);
} catch (ResourceUnavailableException e) {
throw new CloudRuntimeException(
String.format("Maintenance failed, could not migrate VM [id=%s, name=%s] with local storage from host [id=%s, name=%s] to host [id=%s, name=%s].", vm.getId(),
vm.getInstanceName(), host.getId(), host.getName(), destHost.getId(), destHost.getName()), e);
}
}
@Override
public boolean maintain(final long hostId) throws AgentUnavailableException {
final Boolean result = propagateResourceEvent(hostId, ResourceState.Event.AdminAskMaintenance);
if (result != null) {
return result;
}
return doMaintain(hostId);
}
@Override
public Host maintain(final PrepareForMaintenanceCmd cmd) {
final Long hostId = cmd.getId();
final HostVO host = _hostDao.findById(hostId);
if (host == null) {
s_logger.debug("Unable to find host " + hostId);
throw new InvalidParameterValueException("Unable to find host with ID: " + hostId + ". Please specify a valid host ID.");
}
if (!ResourceState.canAttemptMaintenance(host.getResourceState())) {
throw new CloudRuntimeException("Host is already in state " + host.getResourceState() + ". Cannot recall for maintenance until resolved.");
}
if (SET_HOST_DOWN_TO_MAINTENANCE.valueIn(host.getDataCenterId()) && (host.getStatus() == Status.Down)) {
if (host.getResourceState() == ResourceState.Enabled) {
_hostDao.updateResourceState(ResourceState.Enabled, ResourceState.Event.AdminAskMaintenance, ResourceState.PrepareForMaintenance, host);
_hostDao.updateResourceState(ResourceState.PrepareForMaintenance, ResourceState.Event.InternalEnterMaintenance, ResourceState.Maintenance, host);
return _hostDao.findById(hostId);
} else if (host.getResourceState() == ResourceState.ErrorInMaintenance) {
_hostDao.updateResourceState(ResourceState.ErrorInMaintenance, ResourceState.Event.InternalEnterMaintenance, ResourceState.Maintenance, host);
return _hostDao.findById(hostId);
}
}
if (_hostDao.countBy(host.getClusterId(), ResourceState.PrepareForMaintenance, ResourceState.ErrorInPrepareForMaintenance) > 0) {
throw new CloudRuntimeException("There are other servers attempting migrations for maintenance. " +
"Found hosts in PrepareForMaintenance OR ErrorInPrepareForMaintenance STATUS in cluster " + host.getClusterId());
}
if (_storageMgr.isLocalStorageActiveOnHost(host.getId())) {
if(!isMaintenanceLocalStrategyMigrate() && !isMaintenanceLocalStrategyForceStop()) {
throw new CloudRuntimeException("There are active VMs using the host's local storage pool. Please stop all VMs on this host that use local storage.");
}
}
List<VMInstanceVO> migratingInVMs = _vmDao.findByHostInStates(hostId, State.Migrating);
if (migratingInVMs.size() > 0) {
throw new CloudRuntimeException("Host contains incoming VMs migrating. Please wait for them to complete before putting to maintenance.");
}
if (_vmDao.findByHostInStates(hostId, State.Starting, State.Stopping).size() > 0) {
throw new CloudRuntimeException("Host contains VMs in starting/stopping state. Please wait for them to complete before putting to maintenance.");
}
if (_vmDao.findByHostInStates(hostId, State.Error, State.Unknown).size() > 0) {
throw new CloudRuntimeException("Host contains VMs in error/unknown/shutdown state. Please fix errors to proceed.");
}
try {
processResourceEvent(ResourceListener.EVENT_PREPARE_MAINTENANCE_BEFORE, hostId);
if (maintain(hostId)) {
processResourceEvent(ResourceListener.EVENT_PREPARE_MAINTENANCE_AFTER, hostId);
return _hostDao.findById(hostId);
} else {
throw new CloudRuntimeException("Unable to prepare for maintenance host " + hostId);
}
} catch (final AgentUnavailableException e) {
throw new CloudRuntimeException("Unable to prepare for maintenance host " + hostId);
}
}
protected boolean isMaintenanceLocalStrategyMigrate() {
if(StringUtils.isBlank(HOST_MAINTENANCE_LOCAL_STRATEGY.value())) {
return false;
}
return HOST_MAINTENANCE_LOCAL_STRATEGY.value().toLowerCase().equals(WorkType.Migration.toString().toLowerCase());
}
protected boolean isMaintenanceLocalStrategyForceStop() {
if(StringUtils.isBlank(HOST_MAINTENANCE_LOCAL_STRATEGY.value())) {
return false;
}
return HOST_MAINTENANCE_LOCAL_STRATEGY.value().toLowerCase().equals(WorkType.ForceStop.toString().toLowerCase());
}
/**
* Returns true if the host.maintenance.local.storage.strategy is the Default: "Error", blank, empty, or null.
*/
protected boolean isMaintenanceLocalStrategyDefault() {
if (StringUtils.isBlank(HOST_MAINTENANCE_LOCAL_STRATEGY.value().toString())
|| HOST_MAINTENANCE_LOCAL_STRATEGY.value().toLowerCase().equals(State.Error.toString().toLowerCase())) {
return true;
}
return false;
}
/**
* Declares host as Degraded. This method is used in critical situations; e.g. if it is not possible to start host, not even via out-of-band.
*/
@Override
public Host declareHostAsDegraded(final DeclareHostAsDegradedCmd cmd) throws NoTransitionException {
Long hostId = cmd.getId();
HostVO host = _hostDao.findById(hostId);
if (host == null || StringUtils.isBlank(host.getName())) {
throw new InvalidParameterValueException(String.format("Host [id:%s] does not exist.", hostId));
} else if (host.getRemoved() != null){
throw new InvalidParameterValueException(String.format("Host [id:%s, name:%s] does not exist or it has been removed.", hostId, host.getName()));
}
if (host.getResourceState() == ResourceState.Degraded) {
throw new NoTransitionException(String.format("Host [id:%s] was already marked as Degraded.", host.getId()));
}
if (host.getStatus() != Status.Alert && host.getStatus() != Status.Disconnected) {
throw new InvalidParameterValueException(
String.format("Cannot perform declare host [id=%s, name=%s] as 'Degraded' when host is in %s status", host.getId(), host.getName(), host.getStatus()));
}
try {
resourceStateTransitTo(host, ResourceState.Event.DeclareHostDegraded, _nodeId);
host.setResourceState(ResourceState.Degraded);
} catch (NoTransitionException e) {
s_logger.error(String.format("Cannot transmit host [id:%s, name:%s, state:%s, status:%s] to %s state", host.getId(), host.getName(), host.getState(), host.getStatus(),
ResourceState.Event.DeclareHostDegraded), e);
throw e;
}
scheduleVmsRestart(hostId);
return host;
}
/**
* This method assumes that the host is Degraded; therefore it schedule VMs to be re-started by the HA manager.
*/
private void scheduleVmsRestart(Long hostId) {
List<VMInstanceVO> allVmsOnHost = _vmDao.listByHostId(hostId);
if (CollectionUtils.isEmpty(allVmsOnHost)) {
s_logger.debug(String.format("Host [id=%s] was marked as Degraded with no allocated VMs, no need to schedule VM restart", hostId));
}
s_logger.debug(String.format("Host [id=%s] was marked as Degraded with a total of %s allocated VMs. Triggering HA to start VMs that have HA enabled.", hostId, allVmsOnHost.size()));
for (VMInstanceVO vm : allVmsOnHost) {
State vmState = vm.getState();
if (vmState == State.Starting || vmState == State.Running || vmState == State.Stopping) {
_haMgr.scheduleRestart(vm, false);
}
}
}
/**
* Changes a host from 'Degraded' to 'Enabled' ResourceState.
*/
@Override
public Host cancelHostAsDegraded(final CancelHostAsDegradedCmd cmd) throws NoTransitionException {
Long hostId = cmd.getId();
HostVO host = _hostDao.findById(hostId);
if (host == null || host.getRemoved() != null) {
throw new InvalidParameterValueException(String.format("Host [id=%s] does not exist", host.getId()));
}
if (host.getResourceState() != ResourceState.Degraded) {
throw new NoTransitionException(
String.format("Cannot perform cancelHostAsDegraded on host [id=%s, name=%s] when host is in %s state", host.getId(), host.getName(), host.getResourceState()));
}
try {
resourceStateTransitTo(host, ResourceState.Event.EnableDegradedHost, _nodeId);
host.setResourceState(ResourceState.Enabled);
} catch (NoTransitionException e) {
throw new NoTransitionException(
String.format("Cannot transmit host [id=%s, name=%s, state=%s, status=%s] to %s state", host.getId(), host.getName(), host.getResourceState(), host.getStatus(),
ResourceState.Enabled));
}
return host;
}
/**
* Add VNC details as user VM details for each VM in 'vms' (KVM hosts only)
*/
protected void setKVMVncAccess(long hostId, List<VMInstanceVO> vms) {
for (VMInstanceVO vm : vms) {
GetVncPortAnswer vmVncPortAnswer = (GetVncPortAnswer) _agentMgr.easySend(hostId, new GetVncPortCommand(vm.getId(), vm.getInstanceName()));
if (vmVncPortAnswer != null) {
userVmDetailsDao.addDetail(vm.getId(), VmDetailConstants.KVM_VNC_ADDRESS, vmVncPortAnswer.getAddress(), true);
userVmDetailsDao.addDetail(vm.getId(), VmDetailConstants.KVM_VNC_PORT, String.valueOf(vmVncPortAnswer.getPort()), true);
}
}
}
/**
* Configure VNC access for host VMs which have failed migrating to another host while trying to enter Maintenance mode
*/
protected void configureVncAccessForKVMHostFailedMigrations(HostVO host, List<VMInstanceVO> failedMigrations) {
if (host.getHypervisorType().equals(HypervisorType.KVM)) {
_agentMgr.pullAgentOutMaintenance(host.getId());
setKVMVncAccess(host.getId(), failedMigrations);
_agentMgr.pullAgentToMaintenance(host.getId());
}
}
/**
* Safely transit host into Maintenance mode
*/
protected boolean setHostIntoMaintenance(HostVO host) throws NoTransitionException {
s_logger.debug("Host " + host.getUuid() + " entering in Maintenance");
resourceStateTransitTo(host, ResourceState.Event.InternalEnterMaintenance, _nodeId);
ActionEventUtils.onCompletedActionEvent(CallContext.current().getCallingUserId(), CallContext.current().getCallingAccountId(),
EventVO.LEVEL_INFO, EventTypes.EVENT_MAINTENANCE_PREPARE,
"completed maintenance for host " + host.getId(), host.getId(), null, 0);
return true;
}
/**
* Set host into ErrorInMaintenance state, as errors occurred during VM migrations. Do the following:
* - Cancel scheduled migrations for those which have already failed
* - Configure VNC access for VMs (KVM hosts only)
*/
protected boolean setHostIntoErrorInMaintenance(HostVO host, List<VMInstanceVO> errorVms) throws NoTransitionException {
s_logger.debug("Unable to migrate / fix errors for " + errorVms.size() + " VM(s) from host " + host.getUuid());
_haMgr.cancelScheduledMigrations(host);
configureVncAccessForKVMHostFailedMigrations(host, errorVms);
resourceStateTransitTo(host, ResourceState.Event.UnableToMaintain, _nodeId);
return false;
}
protected boolean setHostIntoErrorInPrepareForMaintenance(HostVO host, List<VMInstanceVO> errorVms) throws NoTransitionException {
s_logger.debug("Host " + host.getUuid() + " entering in PrepareForMaintenanceWithErrors state");
configureVncAccessForKVMHostFailedMigrations(host, errorVms);
resourceStateTransitTo(host, ResourceState.Event.UnableToMigrate, _nodeId);
return false;
}
protected boolean setHostIntoPrepareForMaintenanceAfterErrorsFixed(HostVO host) throws NoTransitionException {
s_logger.debug("Host " + host.getUuid() + " entering in PrepareForMaintenance state as any previous corrections have been fixed");
resourceStateTransitTo(host, ResourceState.Event.ErrorsCorrected, _nodeId);
return false;
}
/**
* Return true if host goes into Maintenance mode. There are various possibilities for VMs' states
* on a host. We need to track the various VM states on each run and accordingly transit to the
* appropriate state.
*
* We change states as follows -
* 1. If there are no VMs in running, migrating, starting, stopping, error, unknown states we can move
* to maintenance state. Note that there cannot be incoming migrations as the API Call prepare for
* maintenance checks incoming migrations before starting.
* 2. If there errors (like migrating VMs, error VMs, etc) we mark as ErrorInPrepareForMaintenance but
* don't stop remaining migrations/ongoing legitimate operations.
* 3. If all migration retries, legitimate operations have finished we check for VMs on the host and if
* there are still VMs in error state or in running state or failed migrations we mark the VM as
* ErrorInMaintenance state.
* 4. Lastly if there are no errors or failed migrations or running VMs but there are still pending
* legitimate operations and the host was in ErrorInPrepareForMaintenance, we push the host back
* to PrepareForMaintenance state.
*/
protected boolean attemptMaintain(HostVO host) throws NoTransitionException {
final long hostId = host.getId();
s_logger.info(String.format("Attempting maintenance for %s", host));
// Step 0: First gather if VMs have pending HAWork for migration with retries left.
final List<VMInstanceVO> allVmsOnHost = _vmDao.listByHostId(hostId);
final boolean hasMigratingAwayVms = CollectionUtils.isNotEmpty(_vmDao.listVmsMigratingFromHost(hostId));
boolean hasPendingMigrationRetries = false;
for (VMInstanceVO vmInstanceVO : allVmsOnHost) {
if (_haMgr.hasPendingMigrationsWork(vmInstanceVO.getId())) {
s_logger.info(String.format("Attempting maintenance for %s found pending migration for %s.", host, vmInstanceVO));
hasPendingMigrationRetries = true;
break;
}
}
// Step 1: If there are no VMs in migrating, running, starting, stopping, error or unknown state we can safely move the host to maintenance.
if (!hasMigratingAwayVms && CollectionUtils.isEmpty(_vmDao.findByHostInStates(host.getId(),
State.Migrating, State.Running, State.Starting, State.Stopping, State.Error, State.Unknown))) {
if (hasPendingMigrationRetries) {
s_logger.error("There should not be pending retries VMs for this host as there are no running, migrating," +
"starting, stopping, error or unknown states on host " + host);
}
return setHostIntoMaintenance(host);
}
// Step 2: Gather relevant VMs' states on the host and then based on them we can determine if
final List<VMInstanceVO> failedMigrations = new ArrayList<>(_vmDao.listNonMigratingVmsByHostEqualsLastHost(hostId));
final List<VMInstanceVO> errorVms = new ArrayList<>(_vmDao.findByHostInStates(hostId, State.Unknown, State.Error));
final boolean hasRunningVms = CollectionUtils.isNotEmpty(_vmDao.findByHostInStates(hostId, State.Running));
final boolean hasFailedMigrations = CollectionUtils.isNotEmpty(failedMigrations);
final boolean hasVmsInFailureStates = CollectionUtils.isNotEmpty(errorVms);
final boolean hasStoppingVms = CollectionUtils.isNotEmpty(_vmDao.findByHostInStates(hostId, State.Stopping));
errorVms.addAll(failedMigrations);
// Step 3: If there are no pending migration retries but host still has running VMs or,
// host has VMs in failure state / failed migrations we move the host to ErrorInMaintenance state.
if ((!hasPendingMigrationRetries && !hasMigratingAwayVms && hasRunningVms) ||
(!hasRunningVms && !hasMigratingAwayVms && hasVmsInFailureStates)) {
return setHostIntoErrorInMaintenance(host, errorVms);
}
// Step 4: IF there are pending migrations or ongoing retries left or stopping VMs and there were errors or failed
// migrations we put the host into ErrorInPrepareForMaintenance
if ((hasPendingMigrationRetries || hasMigratingAwayVms || hasStoppingVms) && (hasVmsInFailureStates || hasFailedMigrations)) {
return setHostIntoErrorInPrepareForMaintenance(host, errorVms);
}
// Step 5: If there were previously errors found, but not anymore it means the operator has fixed errors and we put
// the host into PrepareForMaintenance state.
if (host.getResourceState() == ResourceState.ErrorInPrepareForMaintenance) {
return setHostIntoPrepareForMaintenanceAfterErrorsFixed(host);
}
return false;
}
@Override
public boolean checkAndMaintain(final long hostId) {
boolean hostInMaintenance = false;
final HostVO host = _hostDao.findById(hostId);
try {
if (host.getType() != Host.Type.Storage) {
hostInMaintenance = attemptMaintain(host);
}
} catch (final NoTransitionException e) {
s_logger.warn(String.format("Cannot transit %s from %s to Maintenance state.", host, host.getResourceState()), e);
}
return hostInMaintenance;
}
private ResourceState.Event getResourceEventFromAllocationStateString(String allocationState) {
final ResourceState.Event resourceEvent = ResourceState.Event.toEvent(allocationState);
if (resourceEvent != ResourceState.Event.Enable && resourceEvent != ResourceState.Event.Disable) {
throw new InvalidParameterValueException(String.format("Invalid allocation state: %s, " +
"only Enable/Disable are allowed", allocationState));
}
return resourceEvent;
}
private void handleAutoEnableDisableKVMHost(boolean autoEnableDisableKVMSetting,
boolean isUpdateFromHostHealthCheck,
HostVO host, DetailVO hostDetail,
ResourceState.Event resourceEvent) {
if (autoEnableDisableKVMSetting) {
if (!isUpdateFromHostHealthCheck && hostDetail != null &&
!Boolean.parseBoolean(hostDetail.getValue()) && resourceEvent == ResourceState.Event.Enable) {
hostDetail.setValue(Boolean.TRUE.toString());
_hostDetailsDao.update(hostDetail.getId(), hostDetail);
} else if (!isUpdateFromHostHealthCheck && hostDetail != null &&
Boolean.parseBoolean(hostDetail.getValue()) && resourceEvent == ResourceState.Event.Disable) {
s_logger.info(String.format("The setting %s is enabled but the host %s is manually set into %s state," +
"ignoring future auto enabling of the host based on health check results",
AgentManager.EnableKVMAutoEnableDisable.key(), host.getName(), resourceEvent));
hostDetail.setValue(Boolean.FALSE.toString());
_hostDetailsDao.update(hostDetail.getId(), hostDetail);
} else if (hostDetail == null) {
String autoEnableValue = !isUpdateFromHostHealthCheck ? Boolean.FALSE.toString() : Boolean.TRUE.toString();
hostDetail = new DetailVO(host.getId(), ApiConstants.AUTO_ENABLE_KVM_HOST, autoEnableValue);
_hostDetailsDao.persist(hostDetail);
}
}
}
private boolean updateHostAllocationState(HostVO host, String allocationState,
boolean isUpdateFromHostHealthCheck) throws NoTransitionException {
boolean autoEnableDisableKVMSetting = AgentManager.EnableKVMAutoEnableDisable.valueIn(host.getClusterId()) &&
host.getHypervisorType() == HypervisorType.KVM;
ResourceState.Event resourceEvent = getResourceEventFromAllocationStateString(allocationState);
DetailVO hostDetail = _hostDetailsDao.findDetail(host.getId(), ApiConstants.AUTO_ENABLE_KVM_HOST);
if ((host.getResourceState() == ResourceState.Enabled && resourceEvent == ResourceState.Event.Enable) ||
(host.getResourceState() == ResourceState.Disabled && resourceEvent == ResourceState.Event.Disable)) {
s_logger.info(String.format("The host %s is already on the allocated state", host.getName()));
return false;
}
if (isAutoEnableAttemptForADisabledHost(autoEnableDisableKVMSetting, isUpdateFromHostHealthCheck, hostDetail, resourceEvent)) {
s_logger.debug(String.format("The setting '%s' is enabled and the health check succeeds on the host, " +
"but the host has been manually disabled previously, ignoring auto enabling",
AgentManager.EnableKVMAutoEnableDisable.key()));
return false;
}
handleAutoEnableDisableKVMHost(autoEnableDisableKVMSetting, isUpdateFromHostHealthCheck, host,
hostDetail, resourceEvent);
resourceStateTransitTo(host, resourceEvent, _nodeId);
return true;
}
private boolean isAutoEnableAttemptForADisabledHost(boolean autoEnableDisableKVMSetting,
boolean isUpdateFromHostHealthCheck,
DetailVO hostDetail, ResourceState.Event resourceEvent) {
return autoEnableDisableKVMSetting && isUpdateFromHostHealthCheck && hostDetail != null &&
!Boolean.parseBoolean(hostDetail.getValue()) && resourceEvent == ResourceState.Event.Enable;
}
private void updateHostName(HostVO host, String name) {
s_logger.debug("Updating Host name to: " + name);
host.setName(name);
_hostDao.update(host.getId(), host);
}
private void updateHostGuestOSCategory(Long hostId, Long guestOSCategoryId) {
// Verify that the guest OS Category exists
if (!(guestOSCategoryId > 0) || _guestOSCategoryDao.findById(guestOSCategoryId) == null) {
throw new InvalidParameterValueException("Please specify a valid guest OS category.");
}
final GuestOSCategoryVO guestOSCategory = _guestOSCategoryDao.findById(guestOSCategoryId);
final DetailVO guestOSDetail = _hostDetailsDao.findDetail(hostId, "guest.os.category.id");
if (guestOSCategory != null && !GuestOSCategoryVO.CATEGORY_NONE.equalsIgnoreCase(guestOSCategory.getName())) {
// Create/Update an entry for guest.os.category.id
if (guestOSDetail != null) {
guestOSDetail.setValue(String.valueOf(guestOSCategory.getId()));
_hostDetailsDao.update(guestOSDetail.getId(), guestOSDetail);
} else {
final Map<String, String> detail = new HashMap<String, String>();
detail.put("guest.os.category.id", String.valueOf(guestOSCategory.getId()));
_hostDetailsDao.persist(hostId, detail);
}
} else {
// Delete any existing entry for guest.os.category.id
if (guestOSDetail != null) {
_hostDetailsDao.remove(guestOSDetail.getId());
}
}
}
private void updateHostTags(HostVO host, Long hostId, List<String> hostTags, Boolean isTagARule) {
List<VMInstanceVO> activeVMs = _vmDao.listByHostId(hostId);
s_logger.warn(String.format("The following active VMs [%s] are using the host [%s]. " +
"Updating the host tags will not affect them.", activeVMs, host));
if (s_logger.isDebugEnabled()) {
s_logger.debug("Updating Host Tags to :" + hostTags);
}
_hostTagsDao.persist(hostId, new ArrayList<>(new HashSet<>(hostTags)), isTagARule);
}
@Override
public Host updateHost(final UpdateHostCmd cmd) throws NoTransitionException {
return updateHost(cmd.getId(), cmd.getName(), cmd.getOsCategoryId(),
cmd.getAllocationState(), cmd.getUrl(), cmd.getHostTags(), cmd.getIsTagARule(), cmd.getAnnotation(), false);
}
private Host updateHost(Long hostId, String name, Long guestOSCategoryId, String allocationState,
String url, List<String> hostTags, Boolean isTagARule, String annotation, boolean isUpdateFromHostHealthCheck) throws NoTransitionException {
// Verify that the host exists
final HostVO host = _hostDao.findById(hostId);
if (host == null) {
throw new InvalidParameterValueException("Host with id " + hostId + " doesn't exist");
}
boolean isUpdateHostAllocation = false;
if (StringUtils.isNotBlank(allocationState)) {
isUpdateHostAllocation = updateHostAllocationState(host, allocationState, isUpdateFromHostHealthCheck);
}
if (StringUtils.isNotBlank(name)) {
updateHostName(host, name);
}
if (guestOSCategoryId != null) {
updateHostGuestOSCategory(hostId, guestOSCategoryId);
}
if (hostTags != null) {
updateHostTags(host, hostId, hostTags, isTagARule);
}
if (url != null) {
_storageMgr.updateSecondaryStorage(hostId, url);
}
try {
_storageMgr.enableHost(hostId);
} catch (StorageUnavailableException | StorageConflictException e) {
s_logger.error(String.format("Failed to setup host %s when enabled", host));
}
final HostVO updatedHost = _hostDao.findById(hostId);
sendAlertAndAnnotationForAutoEnableDisableKVMHostFeature(host, allocationState,
isUpdateFromHostHealthCheck, isUpdateHostAllocation, annotation);
return updatedHost;
}
private void sendAlertAndAnnotationForAutoEnableDisableKVMHostFeature(HostVO host, String allocationState,
boolean isUpdateFromHostHealthCheck,
boolean isUpdateHostAllocation, String annotation) {
boolean isAutoEnableDisableKVMSettingEnabled = host.getHypervisorType() == HypervisorType.KVM &&
AgentManager.EnableKVMAutoEnableDisable.valueIn(host.getClusterId());
if (!isAutoEnableDisableKVMSettingEnabled) {
if (StringUtils.isNotBlank(annotation)) {
annotationService.addAnnotation(annotation, AnnotationService.EntityType.HOST, host.getUuid(), true);
}
return;
}
if (!isUpdateHostAllocation) {
return;
}
String msg = String.format("The host %s (%s) ", host.getName(), host.getUuid());
ResourceState.Event resourceEvent = getResourceEventFromAllocationStateString(allocationState);
boolean isEventEnable = resourceEvent == ResourceState.Event.Enable;
if (isUpdateFromHostHealthCheck) {
msg += String.format("is auto-%s after %s health check results",
isEventEnable ? "enabled" : "disabled",
isEventEnable ? "successful" : "failed");
alertManager.sendAlert(AlertService.AlertType.ALERT_TYPE_HOST, host.getDataCenterId(),
host.getPodId(), msg, msg);
} else {
msg += String.format("is %s despite the setting '%s' is enabled for the cluster %s",
isEventEnable ? "enabled" : "disabled", AgentManager.EnableKVMAutoEnableDisable.key(),
host.getClusterId());
if (StringUtils.isNotBlank(annotation)) {
msg += String.format(", reason: %s", annotation);
}
}
annotationService.addAnnotation(msg, AnnotationService.EntityType.HOST, host.getUuid(), true);
}
@Override
public Host autoUpdateHostAllocationState(Long hostId, ResourceState.Event resourceEvent) throws NoTransitionException {
return updateHost(hostId, null, null, resourceEvent.toString(), null, null, null, null, true);
}
@Override
public Cluster getCluster(final Long clusterId) {
return _clusterDao.findById(clusterId);
}
@Override
public DataCenter getZone(Long zoneId) {
return _dcDao.findById(zoneId);
}
@Override
public boolean configure(final String name, final Map<String, Object> params) throws ConfigurationException {
_defaultSystemVMHypervisor = HypervisorType.getType(_configDao.getValue(Config.SystemVMDefaultHypervisor.toString()));
_gson = GsonHelper.getGson();
_hypervisorsInDC = _hostDao.createSearchBuilder(String.class);
_hypervisorsInDC.select(null, Func.DISTINCT, _hypervisorsInDC.entity().getHypervisorType());
_hypervisorsInDC.and("hypervisorType", _hypervisorsInDC.entity().getHypervisorType(), SearchCriteria.Op.NNULL);
_hypervisorsInDC.and("dataCenter", _hypervisorsInDC.entity().getDataCenterId(), SearchCriteria.Op.EQ);
_hypervisorsInDC.and("id", _hypervisorsInDC.entity().getId(), SearchCriteria.Op.NEQ);
_hypervisorsInDC.and("type", _hypervisorsInDC.entity().getType(), SearchCriteria.Op.EQ);
_hypervisorsInDC.done();
_gpuAvailability = _hostGpuGroupsDao.createSearchBuilder();
_gpuAvailability.and("hostId", _gpuAvailability.entity().getHostId(), Op.EQ);
_gpuAvailability.and("groupName", _gpuAvailability.entity().getGroupName(), Op.EQ);
final SearchBuilder<VGPUTypesVO> join1 = _vgpuTypesDao.createSearchBuilder();
join1.and("vgpuType", join1.entity().getVgpuType(), Op.EQ);
join1.and("remainingCapacity", join1.entity().getRemainingCapacity(), Op.GT);
_gpuAvailability.join("groupId", join1, _gpuAvailability.entity().getId(), join1.entity().getGpuGroupId(), JoinBuilder.JoinType.INNER);
_gpuAvailability.done();
return true;
}
@Override
public List<HypervisorType> getSupportedHypervisorTypes(final long zoneId, final boolean forVirtualRouter, final Long podId) {
final List<HypervisorType> hypervisorTypes = new ArrayList<HypervisorType>();
List<ClusterVO> clustersForZone = new ArrayList<ClusterVO>();
if (podId != null) {
clustersForZone = _clusterDao.listByPodId(podId);
} else {
clustersForZone = _clusterDao.listByZoneId(zoneId);
}
for (final ClusterVO cluster : clustersForZone) {
final HypervisorType hType = cluster.getHypervisorType();
if (!forVirtualRouter || forVirtualRouter && hType != HypervisorType.BareMetal && hType != HypervisorType.Ovm) {
hypervisorTypes.add(hType);
}
}
return hypervisorTypes;
}
@Override
public HypervisorType getDefaultHypervisor(final long zoneId) {
HypervisorType defaultHyper = HypervisorType.None;
if (_defaultSystemVMHypervisor != HypervisorType.None) {
defaultHyper = _defaultSystemVMHypervisor;
}
final DataCenterVO dc = _dcDao.findById(zoneId);
if (dc == null) {
return HypervisorType.None;
}
_dcDao.loadDetails(dc);
final String defaultHypervisorInZone = dc.getDetail("defaultSystemVMHypervisorType");
if (defaultHypervisorInZone != null) {
defaultHyper = HypervisorType.getType(defaultHypervisorInZone);
}
final List<VMTemplateVO> systemTemplates = _templateDao.listAllSystemVMTemplates();
boolean isValid = false;
for (final VMTemplateVO template : systemTemplates) {
if (template.getHypervisorType() == defaultHyper) {
isValid = true;
break;
}
}
if (isValid) {
final List<ClusterVO> clusters = _clusterDao.listByDcHyType(zoneId, defaultHyper.toString());
if (clusters.size() <= 0) {
isValid = false;
}
}
if (isValid) {
return defaultHyper;
} else {
return HypervisorType.None;
}
}
@Override
public HypervisorType getAvailableHypervisor(final long zoneId) {
HypervisorType defaultHype = getDefaultHypervisor(zoneId);
if (defaultHype == HypervisorType.None) {
final List<HypervisorType> supportedHypes = getSupportedHypervisorTypes(zoneId, false, null);
if (supportedHypes.size() > 0) {
Collections.shuffle(supportedHypes);
defaultHype = supportedHypes.get(0);
}
}
if (defaultHype == HypervisorType.None) {
defaultHype = HypervisorType.Any;
}
return defaultHype;
}
@Override
public void registerResourceStateAdapter(final String name, final ResourceStateAdapter adapter) {
synchronized (_resourceStateAdapters) {
if (_resourceStateAdapters.get(name) != null) {
throw new CloudRuntimeException(name + " has registered");
}
_resourceStateAdapters.put(name, adapter);
}
}
@Override
public void unregisterResourceStateAdapter(final String name) {
synchronized (_resourceStateAdapters) {
_resourceStateAdapters.remove(name);
}
}
private Object dispatchToStateAdapters(final ResourceStateAdapter.Event event, final boolean singleTaker, final Object... args) {
synchronized (_resourceStateAdapters) {
final Iterator<Map.Entry<String, ResourceStateAdapter>> it = _resourceStateAdapters.entrySet().iterator();
Object result = null;
while (it.hasNext()) {
final Map.Entry<String, ResourceStateAdapter> item = it.next();
final ResourceStateAdapter adapter = item.getValue();
final String msg = "Dispatching resource state event " + event + " to " + item.getKey();
s_logger.debug(msg);
if (event == ResourceStateAdapter.Event.CREATE_HOST_VO_FOR_CONNECTED) {
result = adapter.createHostVOForConnectedAgent((HostVO)args[0], (StartupCommand[])args[1]);
if (result != null && singleTaker) {
break;
}
} else if (event == ResourceStateAdapter.Event.CREATE_HOST_VO_FOR_DIRECT_CONNECT) {
result =
adapter.createHostVOForDirectConnectAgent((HostVO)args[0], (StartupCommand[])args[1], (ServerResource)args[2], (Map<String, String>)args[3],
(List<String>)args[4]);
if (result != null && singleTaker) {
break;
}
} else if (event == ResourceStateAdapter.Event.DELETE_HOST) {
try {
result = adapter.deleteHost((HostVO)args[0], (Boolean)args[1], (Boolean)args[2]);
if (result != null) {
break;
}
} catch (final UnableDeleteHostException e) {
s_logger.debug("Adapter " + adapter.getName() + " says unable to delete host", e);
result = new ResourceStateAdapter.DeleteHostAnswer(false, true);
}
} else {
throw new CloudRuntimeException("Unknown resource state event:" + event);
}
}
return result;
}
}
@Override
public void checkCIDR(final HostPodVO pod, final DataCenterVO dc, final String serverPrivateIP, final String serverPrivateNetmask) throws IllegalArgumentException {
if (serverPrivateIP == null) {
return;
}
// Get the CIDR address and CIDR size
final String cidrAddress = pod.getCidrAddress();
final long cidrSize = pod.getCidrSize();
// If the server's private IP address is not in the same subnet as the
// pod's CIDR, return false
final String cidrSubnet = NetUtils.getCidrSubNet(cidrAddress, cidrSize);
final String serverSubnet = NetUtils.getSubNet(serverPrivateIP, serverPrivateNetmask);
if (!cidrSubnet.equals(serverSubnet)) {
s_logger.warn("The private ip address of the server (" + serverPrivateIP + ") is not compatible with the CIDR of pod: " + pod.getName() + " and zone: " +
dc.getName());
throw new IllegalArgumentException("The private ip address of the server (" + serverPrivateIP + ") is not compatible with the CIDR of pod: " + pod.getName() +
" and zone: " + dc.getName());
}
// If the server's private netmask is less inclusive than the pod's CIDR
// netmask, return false
final String cidrNetmask = NetUtils.getCidrSubNet("255.255.255.255", cidrSize);
final long cidrNetmaskNumeric = NetUtils.ip2Long(cidrNetmask);
final long serverNetmaskNumeric = NetUtils.ip2Long(serverPrivateNetmask);
if (serverNetmaskNumeric > cidrNetmaskNumeric) {
throw new IllegalArgumentException("The private ip address of the server (" + serverPrivateIP + ") is not compatible with the CIDR of pod: " + pod.getName() +
" and zone: " + dc.getName());
}
}
private boolean checkCIDR(final HostPodVO pod, final String serverPrivateIP, final String serverPrivateNetmask) {
if (serverPrivateIP == null) {
return true;
}
// Get the CIDR address and CIDR size
final String cidrAddress = pod.getCidrAddress();
final long cidrSize = pod.getCidrSize();
// If the server's private IP address is not in the same subnet as the
// pod's CIDR, return false
final String cidrSubnet = NetUtils.getCidrSubNet(cidrAddress, cidrSize);
final String serverSubnet = NetUtils.getSubNet(serverPrivateIP, serverPrivateNetmask);
if (!cidrSubnet.equals(serverSubnet)) {
return false;
}
// If the server's private netmask is less inclusive than the pod's CIDR
// netmask, return false
final String cidrNetmask = NetUtils.getCidrSubNet("255.255.255.255", cidrSize);
final long cidrNetmaskNumeric = NetUtils.ip2Long(cidrNetmask);
final long serverNetmaskNumeric = NetUtils.ip2Long(serverPrivateNetmask);
if (serverNetmaskNumeric > cidrNetmaskNumeric) {
return false;
}
return true;
}
private HostVO getNewHost(StartupCommand[] startupCommands) {
StartupCommand startupCommand = startupCommands[0];
HostVO host = findHostByGuid(startupCommand.getGuid());
if (host != null) {
return host;
}
host = findHostByGuid(startupCommand.getGuidWithoutResource());
if (host != null) {
return host;
}
return null;
}
protected HostVO createHostVO(final StartupCommand[] cmds, final ServerResource resource, final Map<String, String> details, List<String> hostTags,
final ResourceStateAdapter.Event stateEvent) {
boolean newHost = false;
StartupCommand startup = cmds[0];
HostVO host = getNewHost(cmds);
if (host == null) {
host = new HostVO(startup.getGuid());
newHost = true;
}
String dataCenter = startup.getDataCenter();
String pod = startup.getPod();
final String cluster = startup.getCluster();
if (pod != null && dataCenter != null && pod.equalsIgnoreCase("default") && dataCenter.equalsIgnoreCase("default")) {
final List<HostPodVO> pods = _podDao.listAllIncludingRemoved();
for (final HostPodVO hpv : pods) {
if (checkCIDR(hpv, startup.getPrivateIpAddress(), startup.getPrivateNetmask())) {
pod = hpv.getName();
dataCenter = _dcDao.findById(hpv.getDataCenterId()).getName();
break;
}
}
}
long dcId = -1;
DataCenterVO dc = _dcDao.findByName(dataCenter);
if (dc == null) {
try {
dcId = Long.parseLong(dataCenter);
dc = _dcDao.findById(dcId);
} catch (final NumberFormatException e) {
s_logger.debug("Cannot parse " + dataCenter + " into Long.");
}
}
if (dc == null) {
throw new IllegalArgumentException("Host " + startup.getPrivateIpAddress() + " sent incorrect data center: " + dataCenter);
}
dcId = dc.getId();
HostPodVO p = _podDao.findByName(pod, dcId);
if (p == null) {
try {
final long podId = Long.parseLong(pod);
p = _podDao.findById(podId);
} catch (final NumberFormatException e) {
s_logger.debug("Cannot parse " + pod + " into Long.");
}
}
/*
* ResourceStateAdapter is responsible for throwing Exception if Pod is
* null and non-null is required. for example, XcpServerDiscoever.
* Others, like PxeServer, ExternalFireware don't require Pod
*/
final Long podId = p == null ? null : p.getId();
Long clusterId = null;
if (cluster != null) {
try {
clusterId = Long.valueOf(cluster);
} catch (final NumberFormatException e) {
if (podId != null) {
ClusterVO c = _clusterDao.findBy(cluster, podId.longValue());
if (c == null) {
c = new ClusterVO(dcId, podId.longValue(), cluster);
c = _clusterDao.persist(c);
}
clusterId = c.getId();
}
}
}
if (startup instanceof StartupRoutingCommand) {
final StartupRoutingCommand ssCmd = (StartupRoutingCommand)startup;
final List<String> implicitHostTags = ssCmd.getHostTags();
if (!implicitHostTags.isEmpty()) {
if (hostTags == null) {
hostTags = _hostTagsDao.getHostTags(host.getId()).parallelStream().map(HostTagVO::getTag).collect(Collectors.toList());
}
if (hostTags != null) {
implicitHostTags.removeAll(hostTags);
hostTags.addAll(implicitHostTags);
} else {
hostTags = implicitHostTags;
}
}
}
host.setDataCenterId(dc.getId());
host.setPodId(podId);
host.setClusterId(clusterId);
host.setPrivateIpAddress(startup.getPrivateIpAddress());
host.setPrivateNetmask(startup.getPrivateNetmask());
host.setPrivateMacAddress(startup.getPrivateMacAddress());
host.setPublicIpAddress(startup.getPublicIpAddress());
host.setPublicMacAddress(startup.getPublicMacAddress());
host.setPublicNetmask(startup.getPublicNetmask());
host.setStorageIpAddress(startup.getStorageIpAddress());
host.setStorageMacAddress(startup.getStorageMacAddress());
host.setStorageNetmask(startup.getStorageNetmask());
host.setVersion(startup.getVersion());
host.setName(startup.getName());
host.setManagementServerId(_nodeId);
host.setStorageUrl(startup.getIqn());
host.setLastPinged(System.currentTimeMillis() >> 10);
host.setHostTags(hostTags, false);
host.setDetails(details);
if (startup.getStorageIpAddressDeux() != null) {
host.setStorageIpAddressDeux(startup.getStorageIpAddressDeux());
host.setStorageMacAddressDeux(startup.getStorageMacAddressDeux());
host.setStorageNetmaskDeux(startup.getStorageNetmaskDeux());
}
if (resource != null) {
/* null when agent is connected agent */
host.setResource(resource.getClass().getName());
}
host = (HostVO)dispatchToStateAdapters(stateEvent, true, host, cmds, resource, details, hostTags);
if (host == null) {
throw new CloudRuntimeException("No resource state adapter response");
}
if (newHost) {
host = _hostDao.persist(host);
} else {
_hostDao.update(host.getId(), host);
}
if (startup instanceof StartupRoutingCommand) {
final StartupRoutingCommand ssCmd = (StartupRoutingCommand)startup;
updateSupportsClonedVolumes(host, ssCmd.getSupportsClonedVolumes());
}
try {
resourceStateTransitTo(host, ResourceState.Event.InternalCreated, _nodeId);
/* Agent goes to Connecting status */
_agentMgr.agentStatusTransitTo(host, Status.Event.AgentConnected, _nodeId);
} catch (final Exception e) {
s_logger.debug(String.format("Cannot transit %s to Creating state", host), e);
_agentMgr.agentStatusTransitTo(host, Status.Event.Error, _nodeId);
try {
resourceStateTransitTo(host, ResourceState.Event.Error, _nodeId);
} catch (final NoTransitionException e1) {
s_logger.debug(String.format("Cannot transit %s to Error state", host), e);
}
}
return host;
}
private void updateSupportsClonedVolumes(HostVO host, boolean supportsClonedVolumes) {
final String name = "supportsResign";
DetailVO hostDetail = _hostDetailsDao.findDetail(host.getId(), name);
if (hostDetail != null) {
if (supportsClonedVolumes) {
hostDetail.setValue(Boolean.TRUE.toString());
_hostDetailsDao.update(hostDetail.getId(), hostDetail);
}
else {
_hostDetailsDao.remove(hostDetail.getId());
}
}
else {
if (supportsClonedVolumes) {
hostDetail = new DetailVO(host.getId(), name, Boolean.TRUE.toString());
_hostDetailsDao.persist(hostDetail);
}
}
boolean clusterSupportsResigning = true;
List<HostVO> hostVOs = _hostDao.findByClusterId(host.getClusterId());
for (HostVO hostVO : hostVOs) {
DetailVO hostDetailVO = _hostDetailsDao.findDetail(hostVO.getId(), name);
if (hostDetailVO == null || Boolean.parseBoolean(hostDetailVO.getValue()) == false) {
clusterSupportsResigning = false;
break;
}
}
ClusterDetailsVO clusterDetailsVO = _clusterDetailsDao.findDetail(host.getClusterId(), name);
if (clusterDetailsVO != null) {
if (clusterSupportsResigning) {
clusterDetailsVO.setValue(Boolean.TRUE.toString());
_clusterDetailsDao.update(clusterDetailsVO.getId(), clusterDetailsVO);
}
else {
_clusterDetailsDao.remove(clusterDetailsVO.getId());
}
}
else {
if (clusterSupportsResigning) {
clusterDetailsVO = new ClusterDetailsVO(host.getClusterId(), name, Boolean.TRUE.toString());
_clusterDetailsDao.persist(clusterDetailsVO);
}
}
}
private boolean isFirstHostInCluster(final HostVO host) {
boolean isFirstHost = true;
if (host.getClusterId() != null) {
final SearchBuilder<HostVO> sb = _hostDao.createSearchBuilder();
sb.and("removed", sb.entity().getRemoved(), SearchCriteria.Op.NULL);
sb.and("cluster", sb.entity().getClusterId(), SearchCriteria.Op.EQ);
sb.done();
final SearchCriteria<HostVO> sc = sb.create();
sc.setParameters("cluster", host.getClusterId());
final List<HostVO> hosts = _hostDao.search(sc, null);
if (hosts != null && hosts.size() > 1) {
isFirstHost = false;
}
}
return isFirstHost;
}
private void markHostAsDisconnected(HostVO host, final StartupCommand[] cmds) {
if (host == null) { // in case host is null due to some errors, try
// reloading the host from db
if (cmds != null) {
final StartupCommand firstCmd = cmds[0];
host = findHostByGuid(firstCmd.getGuid());
if (host == null) {
host = findHostByGuid(firstCmd.getGuidWithoutResource());
}
}
}
if (host != null) {
// Change agent status to Alert, so that host is considered for
// reconnection next time
_agentMgr.agentStatusTransitTo(host, Status.Event.AgentDisconnected, _nodeId);
}
}
private Host createHostAndAgent(final ServerResource resource, final Map<String, String> details, final boolean old, final List<String> hostTags, final boolean forRebalance) {
HostVO host = null;
StartupCommand[] cmds = null;
boolean hostExists = false;
boolean created = false;
try {
cmds = resource.initialize();
if (cmds == null) {
s_logger.info("Unable to fully initialize the agent because no StartupCommands are returned");
return null;
}
/* Generate a random version in a dev setup situation */
if (this.getClass().getPackage().getImplementationVersion() == null) {
for (final StartupCommand cmd : cmds) {
if (cmd.getVersion() == null) {
cmd.setVersion(Long.toString(System.currentTimeMillis()));
}
}
}
if (s_logger.isDebugEnabled()) {
new Request(-1l, -1l, cmds, true, false).logD("Startup request from directly connected host: ", true);
}
if (old) {
final StartupCommand firstCmd = cmds[0];
host = findHostByGuid(firstCmd.getGuid());
if (host == null) {
host = findHostByGuid(firstCmd.getGuidWithoutResource());
}
if (host != null && host.getRemoved() == null) { // host already added, no need to add again
s_logger.debug(String.format("Found %s by guid: %s, old host reconnected as new", host, firstCmd.getGuid()));
hostExists = true; // ensures that host status is left unchanged in case of adding same one again
return null;
}
}
// find out if the host we want to connect to is new (so we can send an event)
boolean newHost = getNewHost(cmds) == null;
host = createHostVO(cmds, resource, details, hostTags, ResourceStateAdapter.Event.CREATE_HOST_VO_FOR_DIRECT_CONNECT);
if (host != null) {
created = _agentMgr.handleDirectConnectAgent(host, cmds, resource, forRebalance, newHost);
/* reload myself from database */
host = _hostDao.findById(host.getId());
}
} catch (final Exception e) {
s_logger.warn("Unable to connect due to ", e);
} finally {
if (hostExists) {
if (cmds != null) {
resource.disconnected();
}
} else {
if (!created) {
if (cmds != null) {
resource.disconnected();
}
markHostAsDisconnected(host, cmds);
}
}
}
return host;
}
private Host createHostAndAgentDeferred(final ServerResource resource, final Map<String, String> details, final boolean old, final List<String> hostTags, final boolean forRebalance) {
HostVO host = null;
StartupCommand[] cmds = null;
boolean hostExists = false;
boolean deferAgentCreation = true;
boolean created = false;
try {
cmds = resource.initialize();
if (cmds == null) {
s_logger.info("Unable to fully initialize the agent because no StartupCommands are returned");
return null;
}
/* Generate a random version in a dev setup situation */
if (this.getClass().getPackage().getImplementationVersion() == null) {
for (final StartupCommand cmd : cmds) {
if (cmd.getVersion() == null) {
cmd.setVersion(Long.toString(System.currentTimeMillis()));
}
}
}
if (s_logger.isDebugEnabled()) {
new Request(-1l, -1l, cmds, true, false).logD("Startup request from directly connected host: ", true);
}
if (old) {
final StartupCommand firstCmd = cmds[0];
host = findHostByGuid(firstCmd.getGuid());
if (host == null) {
host = findHostByGuid(firstCmd.getGuidWithoutResource());
}
if (host != null && host.getRemoved() == null) { // host already
// added, no
// need to add
// again
s_logger.debug(String.format("Found %s by guid %s, old host reconnected as new.", host, firstCmd.getGuid()));
hostExists = true; // ensures that host status is left
// unchanged in case of adding same one
// again
return null;
}
}
host = null;
boolean newHost = false;
final GlobalLock addHostLock = GlobalLock.getInternLock("AddHostLock");
try {
if (addHostLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) {
// to safely determine first host in cluster in multi-MS scenario
try {
// find out if the host we want to connect to is new (so we can send an event)
newHost = getNewHost(cmds) == null;
host = createHostVO(cmds, resource, details, hostTags, ResourceStateAdapter.Event.CREATE_HOST_VO_FOR_DIRECT_CONNECT);
if (host != null) {
// if first host in cluster no need to defer agent creation
deferAgentCreation = !isFirstHostInCluster(host);
}
} finally {
addHostLock.unlock();
}
}
} finally {
addHostLock.releaseRef();
}
if (host != null) {
if (!deferAgentCreation) { // if first host in cluster then
created = _agentMgr.handleDirectConnectAgent(host, cmds, resource, forRebalance, newHost);
host = _hostDao.findById(host.getId()); // reload
} else {
host = _hostDao.findById(host.getId()); // reload
// force host status to 'Alert' so that it is loaded for
// connection during next scan task
_agentMgr.agentStatusTransitTo(host, Status.Event.AgentDisconnected, _nodeId);
host = _hostDao.findById(host.getId()); // reload
host.setLastPinged(0); // so that scan task can pick it up
_hostDao.update(host.getId(), host);
}
}
} catch (final Exception e) {
s_logger.warn("Unable to connect due to ", e);
} finally {
if (hostExists) {
if (cmds != null) {
resource.disconnected();
}
} else {
if (!deferAgentCreation && !created) {
if (cmds != null) {
resource.disconnected();
}
markHostAsDisconnected(host, cmds);
}
}
}
return host;
}
@Override
public Host createHostAndAgent(final Long hostId, final ServerResource resource, final Map<String, String> details, final boolean old, final List<String> hostTags, final boolean forRebalance) {
final Host host = createHostAndAgent(resource, details, old, hostTags, forRebalance);
return host;
}
@Override
public Host addHost(final long zoneId, final ServerResource resource, final Type hostType, final Map<String, String> hostDetails) {
// Check if the zone exists in the system
if (_dcDao.findById(zoneId) == null) {
throw new InvalidParameterValueException("Can't find zone with id " + zoneId);
}
final Map<String, String> details = hostDetails;
final String guid = details.get("guid");
final List<HostVO> currentHosts = listAllUpAndEnabledHostsInOneZoneByType(hostType, zoneId);
for (final HostVO currentHost : currentHosts) {
if (currentHost.getGuid().equals(guid)) {
return currentHost;
}
}
return createHostAndAgent(resource, hostDetails, true, null, false);
}
@Override
public HostVO createHostVOForConnectedAgent(final StartupCommand[] cmds) {
return createHostVO(cmds, null, null, null, ResourceStateAdapter.Event.CREATE_HOST_VO_FOR_CONNECTED);
}
private void checkIPConflicts(final HostPodVO pod, final DataCenterVO dc, final String serverPrivateIP, final String serverPrivateNetmask, final String serverPublicIP, final String serverPublicNetmask) {
// If the server's private IP is the same as is public IP, this host has
// a host-only private network. Don't check for conflicts with the
// private IP address table.
if (!ObjectUtils.equals(serverPrivateIP, serverPublicIP)) {
if (!_privateIPAddressDao.mark(dc.getId(), pod.getId(), serverPrivateIP)) {
// If the server's private IP address is already in the
// database, return false
final List<DataCenterIpAddressVO> existingPrivateIPs = _privateIPAddressDao.listByPodIdDcIdIpAddress(pod.getId(), dc.getId(), serverPrivateIP);
assert existingPrivateIPs.size() <= 1 : " How can we get more than one ip address with " + serverPrivateIP;
if (existingPrivateIPs.size() > 1) {
throw new IllegalArgumentException("The private ip address of the server (" + serverPrivateIP + ") is already in use in pod: " + pod.getName() +
" and zone: " + dc.getName());
}
if (existingPrivateIPs.size() == 1) {
final DataCenterIpAddressVO vo = existingPrivateIPs.get(0);
if (vo.getInstanceId() != null) {
throw new IllegalArgumentException("The private ip address of the server (" + serverPrivateIP + ") is already in use in pod: " + pod.getName() +
" and zone: " + dc.getName());
}
}
}
}
if (serverPublicIP != null && !_publicIPAddressDao.mark(dc.getId(), new Ip(serverPublicIP))) {
// If the server's public IP address is already in the database,
// return false
final List<IPAddressVO> existingPublicIPs = _publicIPAddressDao.listByDcIdIpAddress(dc.getId(), serverPublicIP);
if (existingPublicIPs.size() > 0) {
throw new IllegalArgumentException("The public ip address of the server (" + serverPublicIP + ") is already in use in zone: " + dc.getName());
}
}
}
@Override
public HostVO fillRoutingHostVO(final HostVO host, final StartupRoutingCommand ssCmd, final HypervisorType hyType, Map<String, String> details, final List<String> hostTags) {
if (host.getPodId() == null) {
s_logger.error("Host " + ssCmd.getPrivateIpAddress() + " sent incorrect pod, pod id is null");
throw new IllegalArgumentException("Host " + ssCmd.getPrivateIpAddress() + " sent incorrect pod, pod id is null");
}
final ClusterVO clusterVO = _clusterDao.findById(host.getClusterId());
if (clusterVO.getHypervisorType() != hyType) {
throw new IllegalArgumentException("Can't add host whose hypervisor type is: " + hyType + " into cluster: " + clusterVO.getId() +
" whose hypervisor type is: " + clusterVO.getHypervisorType());
}
final Map<String, String> hostDetails = ssCmd.getHostDetails();
if (hostDetails != null) {
if (details != null) {
details.putAll(hostDetails);
} else {
details = hostDetails;
}
}
final HostPodVO pod = _podDao.findById(host.getPodId());
final DataCenterVO dc = _dcDao.findById(host.getDataCenterId());
checkIPConflicts(pod, dc, ssCmd.getPrivateIpAddress(), ssCmd.getPublicIpAddress(), ssCmd.getPublicIpAddress(), ssCmd.getPublicNetmask());
host.setType(com.cloud.host.Host.Type.Routing);
host.setDetails(details);
host.setCaps(ssCmd.getCapabilities());
host.setCpuSockets(ssCmd.getCpuSockets());
host.setCpus(ssCmd.getCpus());
host.setTotalMemory(ssCmd.getMemory());
host.setSpeed(ssCmd.getSpeed());
host.setHypervisorType(hyType);
host.setHypervisorVersion(ssCmd.getHypervisorVersion());
host.setGpuGroups(ssCmd.getGpuGroupDetails());
return host;
}
@Override
public void deleteRoutingHost(final HostVO host, final boolean isForced, final boolean forceDestroyStorage) throws UnableDeleteHostException {
if (host.getType() != Host.Type.Routing) {
throw new CloudRuntimeException(String.format("Non-Routing host gets in deleteRoutingHost, id is %s", host.getId()));
}
if (s_logger.isDebugEnabled()) {
s_logger.debug(String.format("Deleting %s", host));
}
final StoragePoolVO storagePool = _storageMgr.findLocalStorageOnHost(host.getId());
if (forceDestroyStorage && storagePool != null) {
// put local storage into mainenance mode, will set all the VMs on
// this local storage into stopped state
if (storagePool.getStatus() == StoragePoolStatus.Up || storagePool.getStatus() == StoragePoolStatus.ErrorInMaintenance) {
try {
final StoragePool pool = _storageSvr.preparePrimaryStorageForMaintenance(storagePool.getId());
if (pool == null) {
s_logger.debug("Failed to set primary storage into maintenance mode");
throw new UnableDeleteHostException("Failed to set primary storage into maintenance mode");
}
} catch (final Exception e) {
s_logger.debug("Failed to set primary storage into maintenance mode, due to: " + e.toString());
throw new UnableDeleteHostException("Failed to set primary storage into maintenance mode, due to: " + e.toString());
}
}
final List<VMInstanceVO> vmsOnLocalStorage = _storageMgr.listByStoragePool(storagePool.getId());
for (final VMInstanceVO vm : vmsOnLocalStorage) {
try {
_vmMgr.destroy(vm.getUuid(), false);
} catch (final Exception e) {
String errorMsg = String.format("There was an error when destroying %s as a part of hostDelete for %s", vm, host);
s_logger.debug(errorMsg, e);
throw new UnableDeleteHostException(errorMsg + "," + e.getMessage());
}
}
} else {
// Check if there are vms running/starting/stopping on this host
final List<VMInstanceVO> vms = _vmDao.listByHostId(host.getId());
if (!vms.isEmpty()) {
if (isForced) {
// Stop HA disabled vms and HA enabled vms in Stopping state
// Restart HA enabled vms
try {
resourceStateTransitTo(host, ResourceState.Event.DeleteHost, host.getId());
} catch (final NoTransitionException e) {
s_logger.debug("Cannot transmit host " + host.getId() + " to Disabled state", e);
}
for (final VMInstanceVO vm : vms) {
if ((! HighAvailabilityManager.ForceHA.value() && !vm.isHaEnabled()) || vm.getState() == State.Stopping) {
s_logger.debug(String.format("Stopping %s as a part of hostDelete for %s",vm, host));
try {
_haMgr.scheduleStop(vm, host.getId(), WorkType.Stop);
} catch (final Exception e) {
final String errorMsg = String.format("There was an error stopping the %s as a part of hostDelete for %s", vm, host);
s_logger.debug(errorMsg, e);
throw new UnableDeleteHostException(errorMsg + "," + e.getMessage());
}
} else if ((HighAvailabilityManager.ForceHA.value() || vm.isHaEnabled()) && (vm.getState() == State.Running || vm.getState() == State.Starting)) {
s_logger.debug(String.format("Scheduling restart for %s, state: %s on host: %s.", vm, vm.getState(), host));
_haMgr.scheduleRestart(vm, false);
}
}
} else {
throw new UnableDeleteHostException("Unable to delete the host as there are vms in " + vms.get(0).getState() +
" state using this host and isForced=false specified");
}
}
}
}
private boolean doCancelMaintenance(final long hostId) {
HostVO host;
host = _hostDao.findById(hostId);
if (host == null || host.getRemoved() != null) {
s_logger.warn("Unable to find host " + hostId);
return true;
}
/*
* TODO: think twice about returning true or throwing out exception, I
* really prefer to exception that always exposes bugs
*/
if (!ResourceState.isMaintenanceState(host.getResourceState())) {
throw new CloudRuntimeException("Cannot perform cancelMaintenance when resource state is " + host.getResourceState() + ", hostId = " + hostId);
}
/* TODO: move to listener */
_haMgr.cancelScheduledMigrations(host);
boolean vms_migrating = false;
final List<VMInstanceVO> vms = _haMgr.findTakenMigrationWork();
for (final VMInstanceVO vm : vms) {
if (vm.getHostId() != null && vm.getHostId() == hostId) {
s_logger.warn("Unable to cancel migration because the vm is being migrated: " + vm + ", hostId = " + hostId);
vms_migrating = true;
}
}
handleAgentIfNotConnected(host, vms_migrating);
try {
resourceStateTransitTo(host, ResourceState.Event.AdminCancelMaintenance, _nodeId);
_agentMgr.pullAgentOutMaintenance(hostId);
} catch (final NoTransitionException e) {
s_logger.debug(String.format("Cannot transit %s to Enabled state", host), e);
return false;
}
return true;
}
/**
* Handle agent (if available) if its not connected before cancelling maintenance.
* Agent must be connected before cancelling maintenance.
* If the host status is not Up:
* - If kvm.ssh.to.agent is true, then SSH into the host and restart the agent.
* - If kvm.shh.to.agent is false, then fail cancelling maintenance
*/
protected void handleAgentIfNotConnected(HostVO host, boolean vmsMigrating) {
final boolean isAgentOnHost = host.getHypervisorType() == HypervisorType.KVM ||
host.getHypervisorType() == HypervisorType.LXC;
if (!isAgentOnHost || vmsMigrating || host.getStatus() == Status.Up) {
return;
}
final boolean sshToAgent = Boolean.parseBoolean(_configDao.getValue(KvmSshToAgentEnabled.key()));
if (sshToAgent) {
Ternary<String, String, String> credentials = getHostCredentials(host);
connectAndRestartAgentOnHost(host, credentials.first(), credentials.second(), credentials.third());
} else {
throw new CloudRuntimeException("SSH access is disabled, cannot cancel maintenance mode as " +
"host agent is not connected");
}
}
/**
* Get host credentials
* @throws CloudRuntimeException if username or password are not found
*/
protected Ternary<String, String, String> getHostCredentials(HostVO host) {
_hostDao.loadDetails(host);
final String password = host.getDetail("password");
final String username = host.getDetail("username");
final String privateKey = _configDao.getValue("ssh.privatekey");
if ((password == null && privateKey == null) || username == null) {
throw new CloudRuntimeException("SSH to agent is enabled, but username and password or private key are not found");
}
return new Ternary<>(username, password, privateKey);
}
/**
* True if agent is restarted via SSH. Assumes kvm.ssh.to.agent = true and host status is not Up
*/
protected void connectAndRestartAgentOnHost(HostVO host, String username, String password, String privateKey) {
final com.trilead.ssh2.Connection connection = SSHCmdHelper.acquireAuthorizedConnection(
host.getPrivateIpAddress(), 22, username, password, privateKey);
if (connection == null) {
throw new CloudRuntimeException(String.format("SSH to agent is enabled, but failed to connect to %s via IP address [%s].", host, host.getPrivateIpAddress()));
}
try {
SSHCmdHelper.SSHCmdResult result = SSHCmdHelper.sshExecuteCmdOneShot(
connection, "service cloudstack-agent restart");
if (result.getReturnCode() != 0) {
throw new CloudRuntimeException(String.format("Could not restart agent on %s due to: %s", host, result.getStdErr()));
}
s_logger.debug("cloudstack-agent restart result: " + result.toString());
} catch (final SshException e) {
throw new CloudRuntimeException("SSH to agent is enabled, but agent restart failed", e);
}
}
public boolean cancelMaintenance(final long hostId) {
try {
final Boolean result = propagateResourceEvent(hostId, ResourceState.Event.AdminCancelMaintenance);
if (result != null) {
return result;
}
} catch (final AgentUnavailableException e) {
return false;
}
return doCancelMaintenance(hostId);
}
@Override
public boolean executeUserRequest(final long hostId, final ResourceState.Event event) throws AgentUnavailableException {
if (event == ResourceState.Event.AdminAskMaintenance) {
return doMaintain(hostId);
} else if (event == ResourceState.Event.AdminCancelMaintenance) {
return doCancelMaintenance(hostId);
} else if (event == ResourceState.Event.DeleteHost) {
return doDeleteHost(hostId, false, false);
} else if (event == ResourceState.Event.Unmanaged) {
return doUmanageHost(hostId);
} else if (event == ResourceState.Event.UpdatePassword) {
return doUpdateHostPassword(hostId);
} else {
throw new CloudRuntimeException("Received an resource event we are not handling now, " + event);
}
}
private boolean doUmanageHost(final long hostId) {
final HostVO host = _hostDao.findById(hostId);
if (host == null) {
s_logger.debug("Cannot find host " + hostId + ", assuming it has been deleted, skip umanage");
return true;
}
if (host.getHypervisorType() == HypervisorType.KVM || host.getHypervisorType() == HypervisorType.LXC) {
_agentMgr.easySend(hostId, new MaintainCommand());
}
_agentMgr.disconnectWithoutInvestigation(hostId, Event.ShutdownRequested);
return true;
}
@Override
public boolean umanageHost(final long hostId) {
try {
final Boolean result = propagateResourceEvent(hostId, ResourceState.Event.Unmanaged);
if (result != null) {
return result;
}
} catch (final AgentUnavailableException e) {
return false;
}
return doUmanageHost(hostId);
}
private boolean doUpdateHostPassword(final long hostId) {
if (!_agentMgr.isAgentAttached(hostId)) {
return false;
}
DetailVO nv = _hostDetailsDao.findDetail(hostId, ApiConstants.USERNAME);
final String username = nv.getValue();
nv = _hostDetailsDao.findDetail(hostId, ApiConstants.PASSWORD);
final String password = nv.getValue();
final HostVO host = _hostDao.findById(hostId);
final String hostIpAddress = host.getPrivateIpAddress();
final UpdateHostPasswordCommand cmd = new UpdateHostPasswordCommand(username, password, hostIpAddress);
final Answer answer = _agentMgr.easySend(hostId, cmd);
s_logger.info("Result returned from update host password ==> " + answer.getDetails());
return answer.getResult();
}
@Override
public boolean updateClusterPassword(final UpdateHostPasswordCmd command) {
final boolean shouldUpdateHostPasswd = command.getUpdatePasswdOnHost();
// get agents for the cluster
final List<HostVO> hosts = listAllHostsInCluster(command.getClusterId());
for (final HostVO host : hosts) {
try {
final Boolean result = propagateResourceEvent(host.getId(), ResourceState.Event.UpdatePassword);
if (result != null) {
return result;
}
} catch (final AgentUnavailableException e) {
s_logger.error("Agent is not available!", e);
}
if (shouldUpdateHostPasswd) {
final boolean isUpdated = doUpdateHostPassword(host.getId());
if (!isUpdated) {
throw new CloudRuntimeException(
String.format("CloudStack failed to update the password of %s. Please make sure you are still able to connect to your hosts.", host));
}
}
}
return true;
}
@Override
public boolean updateHostPassword(final UpdateHostPasswordCmd command) {
// update agent attache password
try {
final Boolean result = propagateResourceEvent(command.getHostId(), ResourceState.Event.UpdatePassword);
if (result != null) {
return result;
}
} catch (final AgentUnavailableException e) {
s_logger.error("Agent is not available!", e);
}
final boolean shouldUpdateHostPasswd = command.getUpdatePasswdOnHost();
// If shouldUpdateHostPasswd has been set to false, the method doUpdateHostPassword() won't be called.
return shouldUpdateHostPasswd && doUpdateHostPassword(command.getHostId());
}
public String getPeerName(final long agentHostId) {
final HostVO host = _hostDao.findById(agentHostId);
if (host != null && host.getManagementServerId() != null) {
if (_clusterMgr.getSelfPeerName().equals(Long.toString(host.getManagementServerId()))) {
return null;
}
return Long.toString(host.getManagementServerId());
}
return null;
}
public Boolean propagateResourceEvent(final long agentId, final ResourceState.Event event) throws AgentUnavailableException {
final String msPeer = getPeerName(agentId);
if (msPeer == null) {
return null;
}
s_logger.debug("Propagating resource request event:" + event.toString() + " to agent:" + agentId);
final Command[] cmds = new Command[1];
cmds[0] = new PropagateResourceEventCommand(agentId, event);
final String AnsStr = _clusterMgr.execute(msPeer, agentId, _gson.toJson(cmds), true);
if (AnsStr == null) {
throw new AgentUnavailableException(agentId);
}
final Answer[] answers = _gson.fromJson(AnsStr, Answer[].class);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Result for agent change is " + answers[0].getResult());
}
return answers[0].getResult();
}
@Override
public boolean migrateAwayFailed(final long hostId, final long vmId) {
final HostVO host = _hostDao.findById(hostId);
if (host == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Cant not find host " + hostId);
}
return false;
} else {
try {
s_logger.warn("Migration of VM " + _vmDao.findById(vmId) + " failed from host " + _hostDao.findById(hostId) +
". Emitting event UnableToMigrate.");
return resourceStateTransitTo(host, ResourceState.Event.UnableToMigrate, _nodeId);
} catch (final NoTransitionException e) {
s_logger.debug(String.format("No next resource state for %s while current state is [%s] with event %s", host, host.getResourceState(), ResourceState.Event.UnableToMigrate), e);
return false;
}
}
}
@Override
public List<HostVO> findDirectlyConnectedHosts() {
/* The resource column is not null for direct connected resource */
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getResource(), Op.NNULL);
sc.and(sc.entity().getResourceState(), Op.NIN, ResourceState.Disabled);
return sc.list();
}
@Override
public List<HostVO> listAllUpAndEnabledHosts(final Type type, final Long clusterId, final Long podId, final long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
if (type != null) {
sc.and(sc.entity().getType(), Op.EQ, type);
}
if (clusterId != null) {
sc.and(sc.entity().getClusterId(), Op.EQ, clusterId);
}
if (podId != null) {
sc.and(sc.entity().getPodId(), Op.EQ, podId);
}
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
sc.and(sc.entity().getStatus(), Op.EQ, Status.Up);
sc.and(sc.entity().getResourceState(), Op.EQ, ResourceState.Enabled);
return sc.list();
}
@Override
public List<HostVO> listAllHosts(final Type type, final Long clusterId, final Long podId, final long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
if (type != null) {
sc.and(sc.entity().getType(), Op.EQ, type);
}
if (clusterId != null) {
sc.and(sc.entity().getClusterId(), Op.EQ, clusterId);
}
if (podId != null) {
sc.and(sc.entity().getPodId(), Op.EQ, podId);
}
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
return sc.list();
}
@Override
public List<HostVO> listAllUpHosts(Type type, Long clusterId, Long podId, long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
if (type != null) {
sc.and(sc.entity().getType(), Op.EQ, type);
}
if (clusterId != null) {
sc.and(sc.entity().getClusterId(), Op.EQ, clusterId);
}
if (podId != null) {
sc.and(sc.entity().getPodId(), Op.EQ, podId);
}
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
sc.and(sc.entity().getStatus(), Op.EQ, Status.Up);
return sc.list();
}
@Override
public List<HostVO> listAllUpAndEnabledNonHAHosts(final Type type, final Long clusterId, final Long podId, final long dcId) {
final String haTag = _haMgr.getHaTag();
return _hostDao.listAllUpAndEnabledNonHAHosts(type, clusterId, podId, dcId, haTag);
}
@Override
public List<HostVO> findHostByGuid(final long dcId, final String guid) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
sc.and(sc.entity().getGuid(), Op.EQ, guid);
return sc.list();
}
@Override
public List<HostVO> listAllHostsInCluster(final long clusterId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getClusterId(), Op.EQ, clusterId);
return sc.list();
}
@Override
public List<HostVO> listHostsInClusterByStatus(final long clusterId, final Status status) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getClusterId(), Op.EQ, clusterId);
sc.and(sc.entity().getStatus(), Op.EQ, status);
return sc.list();
}
@Override
public List<HostVO> listAllUpAndEnabledHostsInOneZoneByType(final Type type, final long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getType(), Op.EQ, type);
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
sc.and(sc.entity().getStatus(), Op.EQ, Status.Up);
sc.and(sc.entity().getResourceState(), Op.EQ, ResourceState.Enabled);
return sc.list();
}
@Override
public List<HostVO> listAllNotInMaintenanceHostsInOneZone(final Type type, final Long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
if (dcId != null) {
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
}
sc.and(sc.entity().getType(), Op.EQ, type);
sc.and(sc.entity().getResourceState(), Op.NIN,
ResourceState.Maintenance,
ResourceState.ErrorInMaintenance,
ResourceState.ErrorInPrepareForMaintenance,
ResourceState.PrepareForMaintenance,
ResourceState.Error);
return sc.list();
}
@Override
public List<HostVO> listAllHostsInOneZoneByType(final Type type, final long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getType(), Op.EQ, type);
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
return sc.list();
}
@Override
public List<HostVO> listAllHostsInAllZonesByType(final Type type) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getType(), Op.EQ, type);
return sc.list();
}
@Override
public List<HypervisorType> listAvailHypervisorInZone(final Long hostId, final Long zoneId) {
final SearchCriteria<String> sc = _hypervisorsInDC.create();
if (zoneId != null) {
sc.setParameters("dataCenter", zoneId);
}
if (hostId != null) {
// exclude the given host, since we want to check what hypervisor is already handled
// in adding this new host
sc.setParameters("id", hostId);
}
sc.setParameters("type", Host.Type.Routing);
// The search is not able to return list of enums, so getting
// list of hypervisors as strings and then converting them to enum
final List<String> hvs = _hostDao.customSearch(sc, null);
final List<HypervisorType> hypervisors = new ArrayList<HypervisorType>();
for (final String hv : hvs) {
hypervisors.add(HypervisorType.getType(hv));
}
return hypervisors;
}
@Override
public HostVO findHostByGuid(final String guid) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getGuid(), Op.EQ, guid);
return sc.find();
}
@Override
public HostVO findHostByName(final String name) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getName(), Op.EQ, name);
return sc.find();
}
@Override
public HostStats getHostStatistics(final long hostId) {
final Answer answer = _agentMgr.easySend(hostId, new GetHostStatsCommand(_hostDao.findById(hostId).getGuid(), _hostDao.findById(hostId).getName(), hostId));
if (answer != null && answer instanceof UnsupportedAnswer) {
return null;
}
if (answer == null || !answer.getResult()) {
final String msg = "Unable to obtain host " + hostId + " statistics. ";
s_logger.warn(msg);
return null;
} else {
// now construct the result object
if (answer instanceof GetHostStatsAnswer) {
return ((GetHostStatsAnswer)answer).getHostStats();
}
}
return null;
}
@Override
public Long getGuestOSCategoryId(final long hostId) {
final HostVO host = _hostDao.findById(hostId);
if (host == null) {
return null;
} else {
_hostDao.loadDetails(host);
final DetailVO detail = _hostDetailsDao.findDetail(hostId, "guest.os.category.id");
if (detail == null) {
return null;
} else {
return Long.parseLong(detail.getValue());
}
}
}
@Override
public String getHostTags(final long hostId) {
final List<String> hostTags = _hostTagsDao.getHostTags(hostId).parallelStream().map(HostTagVO::getTag).collect(Collectors.toList());
if (hostTags == null) {
return null;
} else {
return com.cloud.utils.StringUtils.listToCsvTags(hostTags);
}
}
@Override
public List<PodCluster> listByDataCenter(final long dcId) {
final List<HostPodVO> pods = _podDao.listByDataCenterId(dcId);
final ArrayList<PodCluster> pcs = new ArrayList<PodCluster>();
for (final HostPodVO pod : pods) {
final List<ClusterVO> clusters = _clusterDao.listByPodId(pod.getId());
if (clusters.size() == 0) {
pcs.add(new PodCluster(pod, null));
} else {
for (final ClusterVO cluster : clusters) {
pcs.add(new PodCluster(pod, cluster));
}
}
}
return pcs;
}
@Override
public List<HostVO> listAllUpAndEnabledHostsInOneZoneByHypervisor(final HypervisorType type, final long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getHypervisorType(), Op.EQ, type);
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
sc.and(sc.entity().getStatus(), Op.EQ, Status.Up);
sc.and(sc.entity().getResourceState(), Op.EQ, ResourceState.Enabled);
return sc.list();
}
@Override
public List<HostVO> listAllUpAndEnabledHostsInOneZone(final long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
sc.and(sc.entity().getStatus(), Op.EQ, Status.Up);
sc.and(sc.entity().getResourceState(), Op.EQ, ResourceState.Enabled);
return sc.list();
}
@Override
public boolean isHostGpuEnabled(final long hostId) {
final SearchCriteria<HostGpuGroupsVO> sc = _gpuAvailability.create();
sc.setParameters("hostId", hostId);
return _hostGpuGroupsDao.customSearch(sc, null).size() > 0 ? true : false;
}
@Override
public List<HostGpuGroupsVO> listAvailableGPUDevice(final long hostId, final String groupName, final String vgpuType) {
final Filter searchFilter = new Filter(VGPUTypesVO.class, "remainingCapacity", false, null, null);
final SearchCriteria<HostGpuGroupsVO> sc = _gpuAvailability.create();
sc.setParameters("hostId", hostId);
sc.setParameters("groupName", groupName);
sc.setJoinParameters("groupId", "vgpuType", vgpuType);
sc.setJoinParameters("groupId", "remainingCapacity", 0);
return _hostGpuGroupsDao.customSearch(sc, searchFilter);
}
@Override
public boolean isGPUDeviceAvailable(final long hostId, final String groupName, final String vgpuType) {
if(!listAvailableGPUDevice(hostId, groupName, vgpuType).isEmpty()) {
return true;
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Host ID: "+ hostId +" does not have GPU device available");
}
return false;
}
}
@Override
public GPUDeviceTO getGPUDevice(final long hostId, final String groupName, final String vgpuType) {
final List<HostGpuGroupsVO> gpuDeviceList = listAvailableGPUDevice(hostId, groupName, vgpuType);
if (CollectionUtils.isEmpty(gpuDeviceList)) {
final String errorMsg = "Host " + hostId + " does not have required GPU device or out of capacity. GPU group: " + groupName + ", vGPU Type: " + vgpuType;
s_logger.error(errorMsg);
throw new CloudRuntimeException(errorMsg);
}
return new GPUDeviceTO(gpuDeviceList.get(0).getGroupName(), vgpuType, null);
}
@Override
public void updateGPUDetails(final long hostId, final HashMap<String, HashMap<String, VgpuTypesInfo>> groupDetails) {
// Update GPU group capacity
final TransactionLegacy txn = TransactionLegacy.currentTxn();
txn.start();
_hostGpuGroupsDao.persist(hostId, new ArrayList<String>(groupDetails.keySet()));
_vgpuTypesDao.persist(hostId, groupDetails);
txn.commit();
}
@Override
public HashMap<String, HashMap<String, VgpuTypesInfo>> getGPUStatistics(final HostVO host) {
final Answer answer = _agentMgr.easySend(host.getId(), new GetGPUStatsCommand(host.getGuid(), host.getName()));
if (answer != null && answer instanceof UnsupportedAnswer) {
return null;
}
if (answer == null || !answer.getResult()) {
final String msg = String.format("Unable to obtain GPU stats for %s", host);
s_logger.warn(msg);
return null;
} else {
// now construct the result object
if (answer instanceof GetGPUStatsAnswer) {
return ((GetGPUStatsAnswer)answer).getGroupDetails();
}
}
return null;
}
@Override
public HostVO findOneRandomRunningHostByHypervisor(final HypervisorType type, final Long dcId) {
final QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getHypervisorType(), Op.EQ, type);
sc.and(sc.entity().getType(),Op.EQ, Type.Routing);
sc.and(sc.entity().getStatus(), Op.EQ, Status.Up);
sc.and(sc.entity().getResourceState(), Op.EQ, ResourceState.Enabled);
if (dcId != null) {
sc.and(sc.entity().getDataCenterId(), Op.EQ, dcId);
}
sc.and(sc.entity().getRemoved(), Op.NULL);
List<HostVO> hosts = sc.list();
if (CollectionUtils.isEmpty(hosts)) {
return null;
} else {
Collections.shuffle(hosts, new Random(System.currentTimeMillis()));
return hosts.get(0);
}
}
@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_HOST_RESERVATION_RELEASE, eventDescription = "releasing host reservation", async = true)
public boolean releaseHostReservation(final Long hostId) {
try {
return Transaction.execute(new TransactionCallback<Boolean>() {
@Override
public Boolean doInTransaction(final TransactionStatus status) {
final PlannerHostReservationVO reservationEntry = _plannerHostReserveDao.findByHostId(hostId);
if (reservationEntry != null) {
final long id = reservationEntry.getId();
final PlannerHostReservationVO hostReservation = _plannerHostReserveDao.lockRow(id, true);
if (hostReservation == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Host reservation for host: " + hostId + " does not even exist. Release reservartion call is ignored.");
}
return false;
}
hostReservation.setResourceUsage(null);
_plannerHostReserveDao.persist(hostReservation);
return true;
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Host reservation for host: " + hostId + " does not even exist. Release reservartion call is ignored.");
}
return false;
}
});
} catch (final CloudRuntimeException e) {
throw e;
} catch (final Throwable t) {
s_logger.error("Unable to release host reservation for host: " + hostId, t);
return false;
}
}
@Override
public String getConfigComponentName() {
return ResourceManagerImpl.class.getSimpleName();
}
@Override
public ConfigKey<?>[] getConfigKeys() {
return new ConfigKey<?>[] {KvmSshToAgentEnabled, HOST_MAINTENANCE_LOCAL_STRATEGY};
}
}