use of com.cloud.utils.fsm.StateMachine2Transitions in project cosmic by MissionCriticalCloud.
the class VolumeObject method stateTransit.
@Override
public boolean stateTransit(final Volume.Event event) {
boolean result = false;
try {
volumeVO = volumeDao.findById(volumeVO.getId());
if (volumeVO != null) {
result = new StateMachine2Transitions(_volStateMachine).transitTo(volumeVO, event, null, volumeDao);
volumeVO = volumeDao.findById(volumeVO.getId());
}
} catch (final NoTransitionException e) {
final String errorMessage = "Failed to transit volume: " + getVolumeId() + ", due to: " + e.toString();
s_logger.debug(errorMessage);
throw new CloudRuntimeException(errorMessage);
}
return result;
}
use of com.cloud.utils.fsm.StateMachine2Transitions in project cosmic by MissionCriticalCloud.
the class TemplateServiceImpl method handleTemplateSync.
@Override
public void handleTemplateSync(final DataStore store) {
if (store == null) {
s_logger.warn("Huh? image store is null");
return;
}
final long storeId = store.getId();
// add lock to make template sync for a data store only be done once
final String lockString = "templatesync.storeId:" + storeId;
final GlobalLock syncLock = GlobalLock.getInternLock(lockString);
try {
if (syncLock.lock(3)) {
try {
final Long zoneId = store.getScope().getScopeId();
final Map<String, TemplateProp> templateInfos = listTemplate(store);
if (templateInfos == null) {
return;
}
final Set<VMTemplateVO> toBeDownloaded = new HashSet<>();
List<VMTemplateVO> allTemplates = null;
if (zoneId == null) {
// region wide store
allTemplates = _templateDao.listByState(VirtualMachineTemplate.State.Active, VirtualMachineTemplate.State.NotUploaded, VirtualMachineTemplate.State.UploadInProgress);
} else {
// zone wide store
allTemplates = _templateDao.listInZoneByState(zoneId, VirtualMachineTemplate.State.Active, VirtualMachineTemplate.State.NotUploaded, VirtualMachineTemplate.State.UploadInProgress);
}
final List<VMTemplateVO> rtngTmplts = _templateDao.listAllSystemVMTemplates();
final List<VMTemplateVO> defaultBuiltin = _templateDao.listDefaultBuiltinTemplates();
if (rtngTmplts != null) {
for (final VMTemplateVO rtngTmplt : rtngTmplts) {
if (!allTemplates.contains(rtngTmplt)) {
allTemplates.add(rtngTmplt);
}
}
}
if (defaultBuiltin != null) {
for (final VMTemplateVO builtinTmplt : defaultBuiltin) {
if (!allTemplates.contains(builtinTmplt)) {
allTemplates.add(builtinTmplt);
}
}
}
toBeDownloaded.addAll(allTemplates);
final StateMachine2<VirtualMachineTemplate.State, VirtualMachineTemplate.Event, VirtualMachineTemplate> stateMachine = VirtualMachineTemplate.State.getStateMachine();
for (final VMTemplateVO tmplt : allTemplates) {
final String uniqueName = tmplt.getUniqueName();
TemplateDataStoreVO tmpltStore = _vmTemplateStoreDao.findByStoreTemplate(storeId, tmplt.getId());
if (templateInfos.containsKey(uniqueName)) {
final TemplateProp tmpltInfo = templateInfos.remove(uniqueName);
toBeDownloaded.remove(tmplt);
if (tmpltStore != null) {
s_logger.info("Template Sync found " + uniqueName + " already in the image store");
if (tmpltStore.getDownloadState() != VMTemplateStatus.DOWNLOADED) {
tmpltStore.setErrorString("");
}
if (tmpltInfo.isCorrupted()) {
tmpltStore.setDownloadState(VMTemplateStatus.DOWNLOAD_ERROR);
String msg = "Template " + tmplt.getName() + ":" + tmplt.getId() + " is corrupted on secondary storage " + tmpltStore.getId();
tmpltStore.setErrorString(msg);
s_logger.info(msg);
_alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_UPLOAD_FAILED, zoneId, null, msg, msg);
if (tmplt.getState() == VirtualMachineTemplate.State.NotUploaded || tmplt.getState() == VirtualMachineTemplate.State.UploadInProgress) {
s_logger.info("Template Sync found " + uniqueName + " on image store " + storeId + " uploaded using SSVM as corrupted, marking it as " + "failed");
tmpltStore.setState(State.Failed);
try {
new StateMachine2Transitions(stateMachine).transitTo(tmplt, VirtualMachineTemplate.Event.OperationFailed, null, _templateDao);
} catch (final NoTransitionException e) {
s_logger.error("Unexpected state transition exception for template " + tmplt.getName() + ". Details: " + e.getMessage());
}
} else if (tmplt.getUrl() == null) {
msg = "Private template (" + tmplt + ") with install path " + tmpltInfo.getInstallPath() + " is corrupted, please check in image store: " + tmpltStore.getDataStoreId();
s_logger.warn(msg);
} else {
s_logger.info("Removing template_store_ref entry for corrupted template " + tmplt.getName());
_vmTemplateStoreDao.remove(tmpltStore.getId());
toBeDownloaded.add(tmplt);
}
} else {
tmpltStore.setDownloadPercent(100);
tmpltStore.setDownloadState(VMTemplateStatus.DOWNLOADED);
tmpltStore.setState(ObjectInDataStoreStateMachine.State.Ready);
tmpltStore.setInstallPath(tmpltInfo.getInstallPath());
tmpltStore.setSize(tmpltInfo.getSize());
tmpltStore.setPhysicalSize(tmpltInfo.getPhysicalSize());
tmpltStore.setLastUpdated(new Date());
// update size in vm_template table
final VMTemplateVO tmlpt = _templateDao.findById(tmplt.getId());
tmlpt.setSize(tmpltInfo.getSize());
_templateDao.update(tmplt.getId(), tmlpt);
if (tmplt.getState() == VirtualMachineTemplate.State.NotUploaded || tmplt.getState() == VirtualMachineTemplate.State.UploadInProgress) {
try {
new StateMachine2Transitions(stateMachine).transitTo(tmplt, VirtualMachineTemplate.Event.OperationSucceeded, null, _templateDao);
} catch (final NoTransitionException e) {
s_logger.error("Unexpected state transition exception for template " + tmplt.getName() + ". Details: " + e.getMessage());
}
}
// which already got checked and incremented during createTemplate API call.
if (tmpltInfo.getSize() > 0 && tmplt.getAccountId() != Account.ACCOUNT_ID_SYSTEM && tmplt.getUrl() != null) {
final long accountId = tmplt.getAccountId();
try {
_resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(accountId), Resource.ResourceType.secondary_storage, tmpltInfo.getSize() - UriUtils.getRemoteSize(tmplt.getUrl()));
} catch (final ResourceAllocationException e) {
s_logger.warn(e.getMessage());
_alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_RESOURCE_LIMIT_EXCEEDED, zoneId, null, e.getMessage(), e.getMessage());
} finally {
_resourceLimitMgr.recalculateResourceCount(accountId, _accountMgr.getAccount(accountId).getDomainId(), Resource.ResourceType.secondary_storage.getOrdinal());
}
}
}
_vmTemplateStoreDao.update(tmpltStore.getId(), tmpltStore);
} else {
tmpltStore = new TemplateDataStoreVO(storeId, tmplt.getId(), new Date(), 100, VMTemplateStatus.DOWNLOADED, null, null, null, tmpltInfo.getInstallPath(), tmplt.getUrl());
tmpltStore.setSize(tmpltInfo.getSize());
tmpltStore.setPhysicalSize(tmpltInfo.getPhysicalSize());
tmpltStore.setDataStoreRole(store.getRole());
_vmTemplateStoreDao.persist(tmpltStore);
// update size in vm_template table
final VMTemplateVO tmlpt = _templateDao.findById(tmplt.getId());
tmlpt.setSize(tmpltInfo.getSize());
_templateDao.update(tmplt.getId(), tmlpt);
associateTemplateToZone(tmplt.getId(), zoneId);
}
} else if (tmplt.getState() == VirtualMachineTemplate.State.NotUploaded || tmplt.getState() == VirtualMachineTemplate.State.UploadInProgress) {
s_logger.info("Template Sync did not find " + uniqueName + " on image store " + storeId + " uploaded using SSVM, marking it as failed");
toBeDownloaded.remove(tmplt);
tmpltStore.setDownloadState(VMTemplateStatus.DOWNLOAD_ERROR);
final String msg = "Template " + tmplt.getName() + ":" + tmplt.getId() + " is corrupted on secondary storage " + tmpltStore.getId();
tmpltStore.setErrorString(msg);
tmpltStore.setState(State.Failed);
_vmTemplateStoreDao.update(tmpltStore.getId(), tmpltStore);
try {
new StateMachine2Transitions(stateMachine).transitTo(tmplt, VirtualMachineTemplate.Event.OperationFailed, null, _templateDao);
} catch (final NoTransitionException e) {
s_logger.error("Unexpected state transition exception for template " + tmplt.getName() + ". Details: " + e.getMessage());
}
} else {
s_logger.info("Template Sync did not find " + uniqueName + " on image store " + storeId + ", may request download based on available hypervisor types");
if (tmpltStore != null) {
if (_storeMgr.isRegionStore(store) && tmpltStore.getDownloadState() == VMTemplateStatus.DOWNLOADED && tmpltStore.getState() == State.Ready && tmpltStore.getInstallPath() == null) {
s_logger.info("Keep fake entry in template store table for migration of previous NFS to object store");
} else if (tmpltStore.getState() == State.Ready && tmpltStore.getDownloadState() == VMTemplateStatus.DOWNLOADED) {
s_logger.info("Keep template " + uniqueName + " entry as state is Ready and downloaded. No need to download again.");
} else {
s_logger.info("Removing leftover template " + uniqueName + " entry from template store table");
// remove those leftover entries
_vmTemplateStoreDao.remove(tmpltStore.getId());
}
}
}
}
if (toBeDownloaded.size() > 0) {
/* Only download templates whose hypervirsor type is in the zone */
final List<HypervisorType> availHypers = _clusterDao.getAvailableHypervisorInZone(zoneId);
if (availHypers.isEmpty()) {
/*
* This is for cloudzone, local secondary storage resource
* started before cluster created
*/
availHypers.add(HypervisorType.KVM);
}
// bug 9809: resume ISO
availHypers.add(HypervisorType.None);
// download.
for (final VMTemplateVO tmplt : toBeDownloaded) {
if (tmplt.getUrl() == null) {
// If url is null, skip downloading
s_logger.info("Skip downloading template " + tmplt.getUniqueName() + " since no url is specified.");
continue;
}
// means that this is a duplicate entry from migration of previous NFS to staging.
if (_storeMgr.isRegionStore(store)) {
final TemplateDataStoreVO tmpltStore = _vmTemplateStoreDao.findByStoreTemplate(storeId, tmplt.getId());
if (tmpltStore != null && tmpltStore.getDownloadState() == VMTemplateStatus.DOWNLOADED && tmpltStore.getState() == State.Ready && tmpltStore.getInstallPath() == null) {
s_logger.info("Skip sync template for migration of previous NFS to object store");
continue;
}
}
if (availHypers.contains(tmplt.getHypervisorType())) {
s_logger.info("Downloading template " + tmplt.getUniqueName() + " to image store " + store.getName());
associateTemplateToZone(tmplt.getId(), zoneId);
final TemplateInfo tmpl = _templateFactory.getTemplate(tmplt.getId(), DataStoreRole.Image);
createTemplateAsync(tmpl, store, null);
} else {
s_logger.info("Skip downloading of a template because it's not part of the supported hypervisors");
}
}
}
for (final String uniqueName : templateInfos.keySet()) {
final TemplateProp tInfo = templateInfos.get(uniqueName);
if (_tmpltMgr.templateIsDeleteable(tInfo.getId())) {
// we cannot directly call deleteTemplateSync here to reuse delete logic since in this case db does not have this template at all.
final TemplateObjectTO tmplTO = new TemplateObjectTO();
tmplTO.setDataStore(store.getTO());
tmplTO.setPath(tInfo.getInstallPath());
tmplTO.setId(tInfo.getId());
final DeleteCommand dtCommand = new DeleteCommand(tmplTO);
final EndPoint ep = _epSelector.select(store);
Answer answer = null;
if (ep == null) {
final String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
s_logger.error(errMsg);
answer = new Answer(dtCommand, false, errMsg);
} else {
answer = ep.sendMessage(dtCommand);
}
if (answer == null || !answer.getResult()) {
s_logger.info("Failed to deleted template at store: " + store.getName());
} else {
final String description = "Deleted template " + tInfo.getTemplateName() + " on secondary storage " + storeId;
s_logger.info(description);
}
}
}
} finally {
syncLock.unlock();
}
} else {
s_logger.info("Couldn't get global lock on " + lockString + ", another thread may be doing template sync on data store " + storeId + " now.");
}
} finally {
syncLock.releaseRef();
}
}
use of com.cloud.utils.fsm.StateMachine2Transitions in project cosmic by MissionCriticalCloud.
the class ObjectInDataStoreManagerImpl method update.
@Override
public boolean update(final DataObject data, final Event event) throws NoTransitionException, ConcurrentOperationException {
final DataObjectInStore obj = this.findObject(data, data.getDataStore());
if (obj == null) {
throw new CloudRuntimeException("can't find mapping in ObjectInDataStore table for: " + data);
}
boolean result = true;
if (data.getDataStore().getRole() == DataStoreRole.Image || data.getDataStore().getRole() == DataStoreRole.ImageCache) {
switch(data.getType()) {
case TEMPLATE:
result = new StateMachine2Transitions(this.stateMachines).transitTo(obj, event, null, templateDataStoreDao);
break;
case SNAPSHOT:
result = new StateMachine2Transitions(this.stateMachines).transitTo(obj, event, null, snapshotDataStoreDao);
break;
case VOLUME:
result = new StateMachine2Transitions(this.stateMachines).transitTo(obj, event, null, volumeDataStoreDao);
break;
}
} else if (data.getType() == DataObjectType.TEMPLATE && data.getDataStore().getRole() == DataStoreRole.Primary) {
result = new StateMachine2Transitions(this.stateMachines).transitTo(obj, event, null, templatePoolDao);
} else if (data.getType() == DataObjectType.SNAPSHOT && data.getDataStore().getRole() == DataStoreRole.Primary) {
result = new StateMachine2Transitions(this.stateMachines).transitTo(obj, event, null, snapshotDataStoreDao);
} else {
throw new CloudRuntimeException("Invalid data or store type: " + data.getType() + " " + data.getDataStore().getRole());
}
if (!result) {
throw new ConcurrentOperationException("Multiple threads are trying to update data object state, racing condition");
}
return true;
}
use of com.cloud.utils.fsm.StateMachine2Transitions in project cosmic by MissionCriticalCloud.
the class VirtualMachineManagerImpl method stateTransitTo.
@Override
public boolean stateTransitTo(final VirtualMachine vm1, final VirtualMachine.Event e, final Long hostId) throws NoTransitionException {
final VMInstanceVO vm = (VMInstanceVO) vm1;
final State oldState = vm.getState();
if (oldState == State.Starting) {
if (e == Event.OperationSucceeded) {
vm.setLastHostId(hostId);
}
} else if (oldState == State.Stopping) {
if (e == Event.OperationSucceeded) {
vm.setLastHostId(null);
}
}
return new StateMachine2Transitions(_stateMachine).transitTo(vm, e, new Pair<>(vm.getHostId(), hostId), _vmDao);
}
use of com.cloud.utils.fsm.StateMachine2Transitions in project cosmic by MissionCriticalCloud.
the class AgentManagerImpl method agentStatusTransitTo.
@Override
public boolean agentStatusTransitTo(final HostVO host, final Event e, final long msId) {
try {
this._agentStatusLock.lock();
if (status_logger.isDebugEnabled()) {
final ResourceState state = host.getResourceState();
final StringBuilder msg = new StringBuilder("Transition:");
msg.append("[Resource state = ").append(state);
msg.append(", Agent event = ").append(e.toString());
msg.append(", Host id = ").append(host.getId()).append(", name = " + host.getName()).append("]");
status_logger.debug(msg.toString());
}
host.setManagementServerId(msId);
try {
return new StateMachine2Transitions(this._statusStateMachine).transitTo(host, e, host.getId(), this._hostDao);
} catch (final NoTransitionException e1) {
status_logger.debug("Cannot transit agent status with event " + e + " for host " + host.getId() + ", name=" + host.getName() + ", mangement server id is " + msId);
throw new CloudRuntimeException("Cannot transit agent status with event " + e + " for host " + host.getId() + ", mangement server id is " + msId + "," + e1.getMessage());
}
} finally {
this._agentStatusLock.unlock();
}
}
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