private void updateDB(ExternalSchedulerDiscoveryResult discoveryResult) {
List<PolicyUnit> allPolicyUnits = getPolicyUnitDao().getAll();
List<PolicyUnit> foundInBoth = new LinkedList<PolicyUnit>();
for (ExternalSchedulerDiscoveryUnit unit : discoveryResult.getFilters()) {
PolicyUnit found = compareToDB(allPolicyUnits, unit, PolicyUnitType.Filter);
if (found != null) {
foundInBoth.add(found);
}
}
for (ExternalSchedulerDiscoveryUnit unit : discoveryResult.getScores()) {
PolicyUnit found = compareToDB(allPolicyUnits, unit, PolicyUnitType.Weight);
if (found != null) {
foundInBoth.add(found);
}
}
for (ExternalSchedulerDiscoveryUnit unit : discoveryResult.getBalance()) {
PolicyUnit found = compareToDB(allPolicyUnits, unit, PolicyUnitType.LoadBalancing);
if (found != null) {
foundInBoth.add(found);
}
}
allPolicyUnits.removeAll(foundInBoth);
// found in the db but not found in discovery, mark as such
markExternalPoliciesAsDisabled(allPolicyUnits);
SchedulingManager.getInstance().reloadPolicyUnits();
}
protected boolean initVdss() {
setVdsIdRef(getVm().getRunOnVds());
Guid vdsToRunOn =
SchedulingManager.getInstance()
.schedule(
getVdsGroup(),
getVm(),
getVdsBlackList(),
getVdsWhiteList(),
getDestinationVdsId(),
new ArrayList<String>(),
new VdsFreeMemoryChecker(this),
getCorrelationId());
setDestinationVdsId(vdsToRunOn);
if (vdsToRunOn != null && !Guid.Empty.equals(vdsToRunOn)) {
getRunVdssList().add(vdsToRunOn);
}
VmHandler.updateVmGuestAgentVersion(getVm());
if (vdsToRunOn != null && vdsToRunOn.equals(Guid.Empty)) {
return false;
}
if (getDestinationVds() == null || getVds() == null) {
return false;
}
return true;
}
/**
* A general method for run vm validations. used in runVmCommand and in VmPoolCommandBase
*
* @param messages
* @param vmDisks
* @param storagePool
* @param vdsBlackList - hosts that we already tried to run on
* @param vdsWhiteList - initial host list, mainly runOnSpecificHost (runOnce/migrateToHost)
* @param destVds
* @param vdsGroup
* @return
*/
public boolean canRunVm(
List<String> messages,
StoragePool storagePool,
List<Guid> vdsBlackList,
List<Guid> vdsWhiteList,
Guid destVds,
VDSGroup vdsGroup) {
if (vm.getStatus() == VMStatus.Paused) {
// if the VM is paused, we should only check the VDS status
// as the rest of the checks were already checked before
return validate(validateVdsStatus(vm), messages);
}
return validateVmProperties(vm, runVmParam.getCustomProperties(), messages)
&& validate(
validateBootSequence(vm, runVmParam.getBootSequence(), getVmDisks(), activeIsoDomainId),
messages)
&& validate(validateDisplayType(), messages)
&& validate(new VmValidator(vm).vmNotLocked(), messages)
&& validate(getSnapshotValidator().vmNotDuringSnapshot(vm.getId()), messages)
&& validate(validateVmStatusUsingMatrix(vm), messages)
&& validate(validateStoragePoolUp(vm, storagePool, getVmImageDisks()), messages)
&& validate(
validateIsoPath(
vm, runVmParam.getDiskPath(), runVmParam.getFloppyPath(), activeIsoDomainId),
messages)
&& validate(vmDuringInitialization(vm), messages)
&& validate(validateStatelessVm(vm, runVmParam.getRunAsStateless()), messages)
&& validate(validateStorageDomains(vm, isInternalExecution, getVmImageDisks()), messages)
&& validate(validateImagesForRunVm(vm, getVmImageDisks()), messages)
&& validate(validateMemorySize(vm), messages)
&& SchedulingManager.getInstance()
.canSchedule(vdsGroup, vm, vdsBlackList, vdsWhiteList, destVds, messages);
}
private boolean canScheduleVm(VM vm) {
List<Guid> blacklist = new ArrayList<>();
if (getVdsId() != null) {
blacklist.add(getVdsId());
}
return schedulingManager.canSchedule(
getVdsGroup(),
vm,
blacklist, // blacklist only contains the host we're putting to maintenance
Collections.<Guid>emptyList(), // no whitelist
vm.getDedicatedVmForVdsList(),
new ArrayList<>());
}
protected boolean checkRemoveEditValidations() {
Guid clusterPolicyId = getParameters().getClusterPolicyId();
if (clusterPolicyId == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_PARAMETERS_INVALID);
}
ClusterPolicy clusterPolicy = schedulingManager.getClusterPolicy(clusterPolicyId);
if (clusterPolicy == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_PARAMETERS_INVALID);
}
if (clusterPolicy.isLocked()) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_PARAMETERS_INVALID);
}
return true;
}
protected boolean checkAddEditValidations() {
List<ClusterPolicy> clusterPolicies = schedulingManager.getClusterPolicies();
if (getClusterPolicy() == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_PARAMETERS_INVALID);
}
for (ClusterPolicy clusterPolicy : clusterPolicies) {
if (!clusterPolicy.getId().equals(getClusterPolicy().getId())
&& clusterPolicy.getName().equals(getClusterPolicy().getName())) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_NAME_INUSE);
}
}
Map<Guid, PolicyUnitImpl> map = schedulingManager.getPolicyUnitsMap();
Set<Guid> existingPolicyUnits = new HashSet<>();
// check filter policy units
if (getClusterPolicy().getFilters() != null) {
for (Guid filterId : getClusterPolicy().getFilters()) {
if (isPolicyUnitExists(filterId, existingPolicyUnits)) {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_DUPLICATE_POLICY_UNIT);
}
PolicyUnitImpl policyUnitImpl = map.get(filterId);
if (policyUnitImpl == null) {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_UNKNOWN_POLICY_UNIT);
}
if (policyUnitImpl.getPolicyUnit().getPolicyUnitType() != PolicyUnitType.FILTER) {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_FILTER_NOT_IMPLEMENTED);
}
}
}
// check filters positions (there could be only one filter attached to first (-1) and last (-1)
if (getClusterPolicy().getFilterPositionMap() != null) {
boolean hasFirst = false;
boolean hasLast = false;
for (Integer position : getClusterPolicy().getFilterPositionMap().values()) {
if (position == -1) {
if (!hasFirst) {
hasFirst = true;
} else {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_ONLY_ONE_FILTER_CAN_BE_FIRST);
}
} else if (position == 1) {
if (!hasLast) {
hasLast = true;
} else {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_ONLY_ONE_FILTER_CAN_BE_LAST);
}
}
}
}
// check function policy units
if (getClusterPolicy().getFunctions() != null) {
for (Pair<Guid, Integer> functionPair : getClusterPolicy().getFunctions()) {
if (isPolicyUnitExists(functionPair.getFirst(), existingPolicyUnits)) {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_DUPLICATE_POLICY_UNIT);
}
PolicyUnitImpl policyUnitImpl = map.get(functionPair.getFirst());
if (policyUnitImpl == null) {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_UNKNOWN_POLICY_UNIT);
}
if (policyUnitImpl.getPolicyUnit().getPolicyUnitType() != PolicyUnitType.WEIGHT) {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_FUNCTION_NOT_IMPLEMENTED);
}
if (functionPair.getSecond() < 0) {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_FUNCTION_FACTOR_NEGATIVE);
}
}
}
// check balance policy unit
if (getClusterPolicy().getBalance() != null) {
PolicyUnitImpl policyUnitImpl = map.get(getClusterPolicy().getBalance());
if (policyUnitImpl == null) {
return failValidation(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_UNKNOWN_POLICY_UNIT);
}
if (policyUnitImpl.getPolicyUnit().getPolicyUnitType() != PolicyUnitType.LOAD_BALANCING) {
return failValidation(
EngineMessage.ACTION_TYPE_FAILED_CLUSTER_POLICY_BALANCE_NOT_IMPLEMENTED);
}
}
List<ValidationError> validationErrors =
SimpleCustomPropertiesUtil.getInstance()
.validateProperties(
schedulingManager.getCustomPropertiesRegexMap(getClusterPolicy()),
getClusterPolicy().getParameterMap());
if (!validationErrors.isEmpty()) {
SimpleCustomPropertiesUtil.getInstance()
.handleCustomPropertiesError(validationErrors, getReturnValue().getValidationMessages());
return false;
}
return true;
}
@Override
protected boolean canDoAction() {
final VM vm = getVm();
if (vm == null) {
return failCanDoAction(VdcBllMessages.ACTION_TYPE_FAILED_VM_NOT_FOUND);
}
if (!canRunActionOnNonManagedVm()) {
return false;
}
if (!FeatureSupported.isMigrationSupported(
getVdsGroup().getArchitecture(), getVdsGroup().getcompatibility_version())) {
return failCanDoAction(VdcBllMessages.MIGRATION_IS_NOT_SUPPORTED);
}
// If VM is pinned to host, no migration can occur
if (vm.getMigrationSupport() == MigrationSupport.PINNED_TO_HOST) {
return failCanDoAction(VdcBllMessages.ACTION_TYPE_FAILED_VM_IS_PINNED_TO_HOST);
}
if (vm.getMigrationSupport() == MigrationSupport.IMPLICITLY_NON_MIGRATABLE
&& !getParameters().isForceMigrationForNonMigratableVm()) {
return failCanDoAction(
VdcBllMessages
.ACTION_TYPE_FAILED_VM_IS_NON_MIGRTABLE_AND_IS_NOT_FORCED_BY_USER_TO_MIGRATE);
}
switch (vm.getStatus()) {
case MigratingFrom:
return failCanDoAction(VdcBllMessages.ACTION_TYPE_FAILED_MIGRATION_IN_PROGRESS);
case NotResponding:
return failCanDoAction(
VdcBllMessages.ACTION_TYPE_FAILED_VM_STATUS_ILLEGAL,
LocalizedVmStatus.from(VMStatus.NotResponding));
case Paused:
if (vm.getVmPauseStatus() == VmPauseStatus.EIO) {
return failCanDoAction(VdcBllMessages.MIGRATE_PAUSED_EIO_VM_IS_NOT_SUPPORTED);
}
break;
default:
}
if (!vm.isQualifyToMigrate()) {
return failCanDoAction(VdcBllMessages.ACTION_TYPE_FAILED_VM_IS_NOT_RUNNING);
}
VmValidator vmValidator = new VmValidator(vm);
if (!validate(
vmValidator.vmNotHavingPluggedDiskSnapshots(
VdcBllMessages.ACTION_TYPE_FAILED_VM_HAS_PLUGGED_DISK_SNAPSHOT))) {
return false;
}
if (getDestinationVds() != null && getDestinationVds().getStatus() != VDSStatus.Up) {
addCanDoActionMessage(VdcBllMessages.VAR__HOST_STATUS__UP);
return failCanDoAction(VdcBllMessages.ACTION_TYPE_FAILED_VDS_STATUS_ILLEGAL);
}
return validate(new SnapshotsValidator().vmNotDuringSnapshot(vm.getId()))
// This check was added to prevent migration of VM while its disks are being migrated
// TODO: replace it with a better solution
&& validate(
new DiskImagesValidator(ImagesHandler.getPluggedActiveImagesForVm(vm.getId()))
.diskImagesNotLocked())
&& SchedulingManager.getInstance()
.canSchedule(
getVdsGroup(),
getVm(),
getVdsBlackList(),
getParameters().getInitialHosts(),
getDestinationVdsId(),
getReturnValue().getCanDoActionMessages());
}
@Override
public void updateSchedulingStats(VDS vds) {
schedulingManager.updateHostSchedulingStats(vds);
}