/**
* Send the UDP message to be received by the daemon
*/
bool DynamicClientInitializer::sendUdpMessage ( int timeoutMsec )
{
CommandNMS_INIT* cmdInit = new ( std::nothrow ) CommandNMS_INIT ( CONFIG_DISPATCHER_PROTOCOL, 7566 );
if ( NULL == cmdInit )
{
LOG_ERR ( "Not enough memory to create the NMS_INIT command" );
setLastErrorCode ( ErrorCodes::NOT_ENOUGH_MEMORY );
return false;
}
if ( !udpSocket->send ( cmdInit ) ) // sending the broadcast message
{
LOG_ERR ( "UDP broadcast: sendto failed" + udpSocket->getError() );
setLastErrorCode ( udpSocket->getErrorCode() );
delete cmdInit;
return false;
}
Thread::suspendCurrent ( 100 );
if ( !udpSocket->setNonBlocking() )
{
LOG_ERR ( "Cannot set the UDP socket to non-blocking" );
delete cmdInit;
setLastErrorCode ( ErrorCodes::INTERNAL_ERROR );
return false;
}
NetworkAddress naddrResponse;
daemonFirstResponse = COMMAND_NOINIT;
time_t startTime, nowTime;
time ( &startTime );
while ( true )
{
Thread::suspendCurrent ( 100 );
string broadcastReply = udpSocket->receive ( &naddrResponse );
if ( broadcastReply.length() > 0 )
{
if ( !udpSocket->close() )
{
LOG_ERR ( "Error while closing a socket" );
}
daemonFirstResponse = broadcastReply;
delete cmdInit;
return true;
}
else
{
time ( &nowTime );
if ( nowTime - startTime >= timeoutMsec )
{
udpSocket->close();
setLastErrorCode ( ErrorCodes::TIMEOUT );
delete cmdInit;
return false;
}
}
}
LOG_ERR ( "Reached to an invalid location in the code" );
delete cmdInit;
return false;
}
void Task_MigrateCtTarget::finalizeTask()
{
IOSendJob::Handle hJob;
SmartPtr<IOPackage> pPackage;
// delete temporary registration
if (m_nSteps & MIGRATE_VM_EXCL_PARAMS_LOCKED)
CDspService::instance()->getVmDirManager().unlockExclusiveVmParameters(m_pVmInfo.getImpl());
int nRetCode = getLastErrorCode();
if (PRL_SUCCEEDED(nRetCode)) {
if (m_pVm.getImpl()) {
PRL_EVENT_TYPE evtType;
/* restore Vm previous state */
switch (m_nPrevVmState)
{
case VMS_RUNNING:
evtType = PET_DSP_EVT_VM_STARTED;
break;
case VMS_STOPPED:
default:
evtType = PET_DSP_EVT_VM_STOPPED;
break;
}
CVmEvent cStateEvent(evtType, m_sVmUuid, PIE_DISPATCHER);
SmartPtr<IOPackage> pUpdateVmStatePkg =
DispatcherPackage::createInstance( PVE::DspVmEvent, cStateEvent.toString());
m_pVm->changeVmState(pUpdateVmStatePkg);
CDspService::instance()->getClientManager().
sendPackageToVmClients(pUpdateVmStatePkg, m_sVzDirUuid, m_sVmUuid);
if (m_nPrevVmState == VMS_STOPPED) {
CDspService::instance()->getVmDirHelper().unregisterExclusiveVmOperation(
m_sVmUuid, m_sVzDirUuid, PVE::DspCmdDirVmMigrate, getClient());
CDspVm::UnregisterVmObject(m_pVm);
} else {
/* lock running Vm (https://jira.sw.ru/browse/PSBM-7682) */
/* will do it via initial Vm creation command
(https://jira.sw.ru/browse/PSBM-8222) */
m_pVm->replaceInitDspCmd(PVE::DspCmdVmStart, getClient());
}
}
/* notify source task about target task finish,
will send reply to check precondition request. https://jira.sw.ru/browse/PSBM-9596 */
m_pCheckDispConnection->sendSimpleResponse(m_pCheckPackage, PRL_ERR_SUCCESS);
/* migration initiator wait event from original Vm uuid */
CVmEvent cEvent(PET_DSP_EVT_VM_MIGRATE_FINISHED, m_sOriginVmUuid, PIE_DISPATCHER);
pPackage = DispatcherPackage::createInstance(PVE::DspVmEvent, cEvent.toString());
CDspService::instance()->getClientManager().sendPackageToVmClients(pPackage, m_sVzDirUuid, m_sOriginVmUuid);
}
else
{
/* It is not possible to get Vm client list after deleteVmDirectoryItem(), and
sendPackageToVmClients() does not work. Get list right now and will use
sendPackageToClientList() call (https://jira.sw.ru/browse/PSBM-9159) */
QList< SmartPtr<CDspClient> > clientList =
CDspService::instance()->getClientManager().
getSessionListByVm(m_sVzDirUuid, m_sVmUuid).values();
if (operationIsCancelled())
setLastErrorCode(PRL_ERR_OPERATION_WAS_CANCELED);
/* if migration was not started, do not cleanup anything -
we can remove 'already existed Vm' */
if (m_nSteps & MIGRATE_STARTED)
{
if (m_nSteps & MIGRATE_VM_APP_STARTED && m_pVm.getImpl())
{
/* stop Vm */
CProtoCommandPtr pCmd =
CProtoSerializer::CreateProtoVmCommandStop(m_sVmUuid, PSM_KILL, 0);
pPackage = DispatcherPackage::createInstance( PVE::DspCmdVmStop, pCmd );
m_pVm->stop(getClient(), pPackage, PSM_KILL, true);
// Wait until VM stopped
while (m_pVm->isConnected()) {
if (operationIsCancelled() && CDspService::instance()->isServerStopping())
break;
QThread::msleep(1000);
}
}
if (m_pVm.getImpl()) {
CDspVm::UnregisterVmObject(m_pVm);
m_pVm = SmartPtr<CDspVm>(0);
}
if (!CDspService::instance()->isServerStopping())
CDspService::instance()->getVmConfigWatcher().unregisterVmToWatch(m_sTargetVmHomePath);
if ( !(m_nReservedFlags & PVM_DONT_COPY_VM) ) {
CFileHelper::ClearAndDeleteDir(m_sTargetVmHomePath);
}
// Unregister VM dir item
CDspService::instance()->getVmDirHelper().deleteVmDirectoryItem(m_sVzDirUuid, m_sVmUuid);
CVmEvent cDelEvent(PET_DSP_EVT_VM_DELETED, m_sVmUuid, PIE_DISPATCHER);
SmartPtr<IOPackage> pDelPackage =
DispatcherPackage::createInstance(PVE::DspVmEvent, cDelEvent.toString());
CDspService::instance()->getClientManager().sendPackageToClientList(
pDelPackage, clientList);
}
/* migration initiator wait event from original Vm uuid */
CVmEvent cEvent(PET_DSP_EVT_VM_MIGRATE_CANCELLED, m_sOriginVmUuid, PIE_DISPATCHER);
pPackage = DispatcherPackage::createInstance(PVE::DspVmEvent, cEvent.toString());
CDspService::instance()->getClientManager().sendPackageToClientList(pPackage, clientList);
if (m_pStartDispConnection.isValid())
hJob = m_pStartDispConnection->sendResponseError(getLastError(), getRequestPackage());
else
hJob = m_pCheckDispConnection->sendResponseError(getLastError(), getRequestPackage());
CDspService::instance()->getIOServer().waitForSend(hJob, m_nTimeout);
}
}
PRL_RESULT Task_MigrateCtTarget::run_body()
{
PRL_RESULT nRetCode = PRL_ERR_SUCCESS;
bool bConnected;
QTimer *pTimer;
CDispToDispCommandPtr pReply;
SmartPtr<IOPackage> pPackage;
IOSendJob::Handle hJob;
if (operationIsCancelled()) {
nRetCode = PRL_ERR_OPERATION_WAS_CANCELED;
goto exit;
}
bConnected = QObject::connect(m_pParent,
SIGNAL(onPackageReceived(
const SmartPtr<CDspDispConnection> &,
const QString &,
const SmartPtr<IOPackage> &)),
SLOT(handleStartPackage(
const SmartPtr<CDspDispConnection> &,
const QString &,
const SmartPtr<IOPackage> &)),
Qt::DirectConnection);
PRL_ASSERT(bConnected);
m_nReservedFlags |= PVM_CT_MIGRATE;
pReply = CDispToDispProtoSerializer::CreateVmMigrateCheckPreconditionsReply(
m_lstCheckPrecondsErrors, QStringList(), m_nReservedFlags);
pPackage =
DispatcherPackage::createInstance(
pReply->GetCommandId(), pReply->GetCommand()->toString(), m_pCheckPackage);
hJob = m_pCheckDispConnection->sendPackage(pPackage);
if (!hJob.isValid()) {
nRetCode = PRL_ERR_OPERATION_FAILED;
goto exit;
}
/* set timer */
pTimer = new QTimer();
pTimer->setSingleShot(true);
bConnected = QObject::connect(pTimer, SIGNAL(timeout()), SLOT(handleStartCommandTimeout()), Qt::DirectConnection);
pTimer->start(VM_MIGRATE_START_CMD_WAIT_TIMEOUT);
/* will wait StartMigration command */
nRetCode = exec();
pTimer->stop();
if (bConnected)
QObject::disconnect(pTimer, SIGNAL(timeout()), this, SLOT(handleStartCommandTimeout()));
delete pTimer;
QObject::disconnect(m_pParent,
SIGNAL(onPackageReceived(
const SmartPtr<CDspDispConnection> &,
const QString &,
const SmartPtr<IOPackage> &)),
this,
SLOT(handleStartPackage(
const SmartPtr<CDspDispConnection> &,
const QString &,
const SmartPtr<IOPackage> &)));
if (PRL_FAILED(nRetCode))
goto exit;
if (operationIsCancelled()) {
nRetCode = PRL_ERR_OPERATION_WAS_CANCELED;
goto exit;
}
if ( !(m_nReservedFlags & PVM_DONT_COPY_VM) ) {
/* to create Vm bundle */
if (!CFileHelper::WriteDirectory(m_sTargetVmHomePath, &getClient()->getAuthHelper())) {
nRetCode = PRL_ERR_BACKUP_CANNOT_CREATE_DIRECTORY;
CVmEvent *pEvent = getLastError();
pEvent->setEventCode(nRetCode);
pEvent->addEventParameter(
new CVmEventParameter(PVE::String, m_sTargetVmHomePath, EVT_PARAM_MESSAGE_PARAM_0));
WRITE_TRACE(DBG_FATAL, "[%s] Cannot create \"%s\" directory",
__FUNCTION__, QSTR2UTF8(m_sTargetVmHomePath));
goto exit;
}
/* set original permissions to Vm bundle (https://jira.sw.ru/browse/PSBM-8269) */
if (m_nBundlePermissions) {
QFile vmBundle(m_sTargetVmHomePath);
if (!vmBundle.setPermissions((QFile::Permissions)m_nBundlePermissions)) {
WRITE_TRACE(DBG_FATAL,
"[%s] Cannot set permissions for Vm bundle \"%s\", will use default",
__FUNCTION__, QSTR2UTF8(m_sTargetVmHomePath));
}
}
}
m_nSteps |= MIGRATE_STARTED;
if ((m_nPrevVmState == VMS_RUNNING) || (m_nPrevVmState == VMS_PAUSED)) {
nRetCode = PRL_ERR_VM_MIGRATE_UNSUITABLE_VM_STATE;
} else {
nRetCode = migrateStoppedVm();
/* migration completed and connection state is indifferent for us
https://jira.sw.ru/browse/PSBM-8925 */
QObject::disconnect(
&CDspService::instance()->getIOServer(),
SIGNAL(onClientDisconnected(IOSender::Handle)),
this,
SLOT(clientDisconnected(IOSender::Handle)));
}
if (PRL_FAILED(nRetCode))
goto exit;
/* rename conf file since source sent it with his origin ctid */
if (m_nOriginCtid != m_nCtid) {
QString srcPath = m_sTargetVmHomePath + QString("/%1.conf").arg(m_nOriginCtid);
QString dstPath = m_sTargetVmHomePath + QString("/%1.conf").arg(m_nCtid);
QFile::rename(srcPath, dstPath);
}
nRetCode = CVzHelper::dst_complete_migrate_env(m_sVmUuid, m_nCtid, m_nOriginCtid, &m_pOpaqueLock);
if (PRL_FAILED(nRetCode)) {
WRITE_TRACE(DBG_FATAL, "Can not compelete destination CT migration for ctid %u uuid %s",
m_nCtid, QSTR2UTF8(m_sVmUuid));
goto exit;
}
if (PVMT_CLONE_MODE & getRequestFlags())
m_pVmConfig->getVmIdentification()->setSourceVmUuid(m_sOriginVmUuid);
if (PVMT_CLONE_MODE & getRequestFlags()) {
if ( PVMT_SWITCH_TEMPLATE & getRequestFlags() )
m_pVmConfig->getVmSettings()->getVmCommonOptions()->setTemplate(
!m_pVmConfig->getVmSettings()->getVmCommonOptions()->isTemplate() );
Task_CloneVm::ResetNetSettings(m_pVmConfig);
}
/* do not fail since here - Ct already migrated */
{
QString sServerUuid = CDspService::instance()->getDispConfigGuard().getDispConfig()
->getVmServerIdentification()->getServerUuid();
QString sLastServerUuid = m_pVmConfig->getVmIdentification()->getServerUuid();
m_pVmConfig->getVmIdentification()->setServerUuid(sServerUuid);
m_pVmConfig->getVmIdentification()->setLastServerUuid(sLastServerUuid);
SmartPtr<CVmConfiguration> pOldConfig = CDspService::instance()->getVzHelper()
->getVzlibHelper().get_env_config(m_nCtid);
if (pOldConfig == NULL) {
WRITE_TRACE(DBG_FATAL, "Can't get config for CT %s [%d]", QSTR2UTF8(m_sVmUuid), m_nCtid);
} else {
get_op_helper().apply_env_config(m_pVmConfig, pOldConfig);
}
}
// insert new item in user's VM Directory
m_pVmConfig = CDspService::instance()->getVzHelper()->getVzlibHelper().get_env_config(m_nCtid);
if (PRL_FAILED(CDspService::instance()->getVzHelper()->insertVmDirectoryItem(m_pVmConfig))) {
WRITE_TRACE(DBG_FATAL, "Can't insert CT to VmDirectory by error %#x, %s",
nRetCode, PRL_RESULT_TO_STRING(nRetCode) );
}
exit:
setLastErrorCode(nRetCode);
return nRetCode;
}
/* process VmMigrateCheckPreconditionsCommand */
PRL_RESULT Task_MigrateCtTarget::prepareTask()
{
//https://bugzilla.sw.ru/show_bug.cgi?id=267152
CAuthHelperImpersonateWrapper _impersonate( &getClient()->getAuthHelper() );
PRL_RESULT nRetCode = PRL_ERR_SUCCESS;
QString sVmDirPath;
if (CDspService::instance()->isServerStopping()) {
WRITE_TRACE(DBG_FATAL, "Dispatcher shutdown is in progress - CT migrate rejected!");
nRetCode = PRL_ERR_DISP_SHUTDOWN_IN_PROCESS;
goto exit;
}
m_pVmConfig = SmartPtr<CVmConfiguration>(new CVmConfiguration(m_sVmConfig));
if (PRL_FAILED(m_pVmConfig->m_uiRcInit)) {
nRetCode = PRL_ERR_PARSE_VM_CONFIG;
WRITE_TRACE(DBG_FATAL, "Wrong VM condiguration was received: [%s]", QSTR2UTF8(m_sVmConfig));
goto exit;
}
m_sOriginVmUuid = m_pVmConfig->getVmIdentification()->getVmUuid();
m_nCtid = m_nOriginCtid = m_pVmConfig->getVmIdentification()->getEnvId();
m_sVmName = m_pVmConfig->getVmIdentification()->getVmName();
nRetCode = CVzHelper::dst_start_migrate_env(&m_nCtid, &m_pOpaqueLock);
if (PRL_FAILED(nRetCode)) {
WRITE_TRACE(DBG_FATAL, "Can not start destination CT migration for uuid %s", QSTR2UTF8(m_sVmUuid));
goto exit;
}
if (m_nCtid != m_nOriginCtid)
m_pVmConfig->getVmIdentification()->setEnvId(m_nCtid);
{
CDspLockedPointer<CVmDirectory> pDir = CDspService::instance()->getVmDirManager().getVzDirectory();
if (!pDir) {
nRetCode = PRL_ERR_VM_UUID_NOT_FOUND;
WRITE_TRACE(DBG_FATAL, "Couldn't to find VZ directiory UUID");
goto exit;
}
m_sVzDirUuid = pDir->getUuid();
}
m_sVmUuid = (PVMT_CLONE_MODE & getRequestFlags()) ? Uuid::createUuid().toString() : m_sOriginVmUuid;
WRITE_TRACE(DBG_FATAL, "Start migrate origin CTID=%u to CTID=%u for uuid %s",
m_nOriginCtid, m_nCtid, QSTR2UTF8(m_sVmUuid));
/* to get target VM home directory path */
if (!m_sVmDirPath.isEmpty())
m_sTargetVmHomePath = m_sVmDirPath;
else {
m_sTargetVmHomePath = CVzHelper::getCtPrivatePath(m_nCtid);
}
m_sTargetVmHomePath = QFileInfo(m_sTargetVmHomePath).absoluteFilePath();
m_sVmConfigPath = QString("%1/" VMDIR_DEFAULT_VM_CONFIG_FILE).arg(m_sTargetVmHomePath);
/* lock Vm exclusive parameters */
m_pVmInfo = SmartPtr<CVmDirectory::TemporaryCatalogueItem>(new CVmDirectory::TemporaryCatalogueItem(
m_sVmUuid, m_sVmConfigPath, m_sVmName));
nRetCode = CDspService::instance()->getVmDirManager()
.checkAndLockNotExistsExclusiveVmParameters(QStringList(), m_pVmInfo.getImpl());
if (PRL_FAILED(nRetCode))
{
switch (nRetCode)
{
case PRL_ERR_VM_ALREADY_REGISTERED_VM_UUID:
WRITE_TRACE(DBG_FATAL, "UUID '%s' already registered", QSTR2UTF8(m_pVmInfo->vmUuid));
getLastError()->addEventParameter(
new CVmEventParameter( PVE::String, m_pVmInfo->vmUuid, EVT_PARAM_RETURN_PARAM_TOKEN));
break;
case PRL_ERR_VM_ALREADY_REGISTERED_VM_PATH:
WRITE_TRACE(DBG_FATAL, "path '%s' already registered", QSTR2UTF8(m_pVmInfo->vmXmlPath));
getLastError()->addEventParameter(
new CVmEventParameter( PVE::String, m_pVmInfo->vmName, EVT_PARAM_MESSAGE_PARAM_0));
getLastError()->addEventParameter(
new CVmEventParameter( PVE::String, m_pVmInfo->vmXmlPath, EVT_PARAM_MESSAGE_PARAM_1));
break;
case PRL_ERR_VM_ALREADY_REGISTERED_VM_NAME:
WRITE_TRACE(DBG_FATAL, "name '%s' already registered", QSTR2UTF8(m_pVmInfo->vmName));
getLastError()->addEventParameter(
new CVmEventParameter( PVE::String, m_pVmInfo->vmName, EVT_PARAM_MESSAGE_PARAM_0));
break;
case PRL_ERR_VM_ALREADY_REGISTERED:
WRITE_TRACE(DBG_FATAL, "container '%s' already registered", QSTR2UTF8(m_pVmInfo->vmName));
getLastError()->addEventParameter(
new CVmEventParameter( PVE::String, m_pVmInfo->vmName, EVT_PARAM_MESSAGE_PARAM_0));
break;
case PRL_ERR_VM_ALREADY_REGISTERED_UNIQUE_PARAMS:; // use default
default:
WRITE_TRACE(DBG_FATAL, "can't register container with UUID '%s', name '%s', path '%s",
QSTR2UTF8(m_pVmInfo->vmUuid), QSTR2UTF8(m_pVmInfo->vmName), QSTR2UTF8(m_pVmInfo->vmXmlPath));
getLastError()->addEventParameter(
new CVmEventParameter( PVE::String, m_pVmInfo->vmUuid, EVT_PARAM_RETURN_PARAM_TOKEN));
getLastError()->addEventParameter(
new CVmEventParameter( PVE::String, m_pVmInfo->vmXmlPath, EVT_PARAM_RETURN_PARAM_TOKEN));
getLastError()->addEventParameter(
new CVmEventParameter( PVE::String, m_pVmInfo->vmName, EVT_PARAM_RETURN_PARAM_TOKEN));
}
goto exit;
}
m_nSteps |= MIGRATE_VM_EXCL_PARAMS_LOCKED;
if (!(PVMT_SWITCH_TEMPLATE & getRequestFlags())) {
/* skip checking for copy to template case (https://jira.sw.ru/browse/PSBM-9597) */
//checkTargetCpusNumber();
//checkTargetCpuCompatibility();
}
exit:
setLastErrorCode(nRetCode);
return nRetCode;
}
PRL_RESULT Task_MigrateCtSource::run_body()
{
SmartPtr<CVmEvent> pEvent;
SmartPtr<IOPackage> pPackage;
IOSendJob::Response pResponse;
CDispToDispCommandPtr pCmd;
CDispToDispResponseCommand *pRespCmd;
//https://bugzilla.sw.ru/show_bug.cgi?id=267152
CAuthHelperImpersonateWrapper _impersonate( &getClient()->getAuthHelper() );
if (operationIsCancelled())
setLastErrorCode(PRL_ERR_OPERATION_WAS_CANCELED);
PRL_RESULT nRetCode = PRL_ERR_SUCCESS;
if (PRL_FAILED(nRetCode = CheckVmMigrationPreconditions()))
goto exit;
/* set migration mode */
switch (m_nPrevVmState) {
case VMS_RUNNING:
case VMS_PAUSED:
nRetCode = PRL_ERR_VM_MIGRATE_WARM_MODE_NOT_SUPPORTED;
goto exit;
default:
m_nMigrationFlags |= PVMT_COLD_MIGRATION;
}
if (operationIsCancelled())
setLastErrorCode(PRL_ERR_OPERATION_WAS_CANCELED);
pEvent = SmartPtr<CVmEvent>(new CVmEvent(PET_DSP_EVT_VM_MIGRATE_STARTED, m_sVmUuid, PIE_DISPATCHER));
pEvent->addEventParameter(new CVmEventParameter(PVE::Boolean, "true", EVT_PARAM_MIGRATE_IS_SOURCE));
pPackage = DispatcherPackage::createInstance(PVE::DspVmEvent, pEvent->toString());
m_nSteps |= MIGRATE_VM_STATE_CHANGED;
/* and notify clients about VM migration start event */
CDspService::instance()->getClientManager().sendPackageToVmClients(pPackage, m_sVzDirUuid, m_sVmUuid);
/* remove target Vm config from watcher (#448235) */
CDspService::instance()->getVmConfigWatcher().unregisterVmToWatch(m_sVmConfigPath);
m_nSteps |= MIGRATE_UNREGISTER_VM_WATCH;
nRetCode = migrateStoppedCt();
if (PRL_FAILED(nRetCode))
goto exit;
/* wait finish reply from target (https://jira.sw.ru/browse/PSBM-9596) */
quint32 nTimeout = m_nTimeout;
/* wait target task finish */
if (PVMT_CHANGE_SID & getRequestFlags())
/* wait reply during changeSID task timeout (https://jira.sw.ru/browse/PSBM-9733) */
nTimeout = CHANGESID_TIMEOUT;
if (m_pIoClient->waitForResponse(m_hCheckReqJob, nTimeout) != IOSendJob::Success) {
WRITE_TRACE(DBG_FATAL, "Finish acknowledgement receiving failure");
nRetCode = PRL_ERR_CT_MIGRATE_INTERNAL_ERROR;
goto exit;
}
pResponse = m_pIoClient->takeResponse(m_hCheckReqJob);
if (pResponse.responseResult != IOSendJob::Success) {
WRITE_TRACE(DBG_FATAL, "Finish acknowledgement receiving failure");
nRetCode = PRL_ERR_CT_MIGRATE_INTERNAL_ERROR;
goto exit;
}
pPackage = pResponse.responsePackages[0];
if (pPackage->header.type != DispToDispResponseCmd) {
WRITE_TRACE(DBG_FATAL, "Invalid package type : %d", pPackage->header.type);
nRetCode = PRL_ERR_CT_MIGRATE_INTERNAL_ERROR;
goto exit;
}
pCmd = CDispToDispProtoSerializer::ParseCommand(
DispToDispResponseCmd, UTF8_2QSTR(pPackage->buffers[0].getImpl()));
pRespCmd = CDispToDispProtoSerializer::CastToDispToDispCommand<CDispToDispResponseCommand>(pCmd);
nRetCode = pRespCmd->GetRetCode();
if (PRL_FAILED(nRetCode))
getLastError()->fromString(pRespCmd->GetErrorInfo()->toString());
exit:
setLastErrorCode(nRetCode);
return nRetCode;
}
PRL_RESULT Task_MigrateCtSource::prepareTask()
{
//https://bugzilla.sw.ru/show_bug.cgi?id=267152
CAuthHelperImpersonateWrapper _impersonate( &getClient()->getAuthHelper() );
PRL_RESULT nRetCode = PRL_ERR_SUCCESS;
if (CDspService::instance()->isServerStopping())
{
WRITE_TRACE(DBG_FATAL, "Dispatcher shutdown is in progress - VM migrate rejected!");
nRetCode = PRL_ERR_DISP_SHUTDOWN_IN_PROCESS;
goto exit;
}
if (CDspService::instance()->getShellServiceHelper().isLocalAddress(m_sServerHostname)) {
WRITE_TRACE(DBG_FATAL,
"Host %s is a local host, migration is impossible", QSTR2UTF8(m_sServerHostname));
nRetCode = PRL_ERR_VM_MIGRATE_TO_THE_SAME_NODE;
goto exit;
}
/* will use Vz dir uuid for Vm */
{
CDspLockedPointer<CVmDirectory> pDir = CDspService::instance()->getVmDirManager().getVzDirectory();
if (!pDir) {
nRetCode = PRL_ERR_VM_UUID_NOT_FOUND;
WRITE_TRACE(DBG_FATAL, "Couldn't to find VZ directiory UUID");
goto exit;
}
m_sVzDirUuid = pDir->getUuid();
nRetCode = CDspService::instance()->getVmDirHelper().registerExclusiveVmOperation(
m_sVmUuid, m_sVzDirUuid, PVE::DspCmdDirVmMigrate, getClient());
if ( PRL_FAILED(nRetCode) ) {
WRITE_TRACE(DBG_FATAL, "[%s] registerExclusiveVmOperation failed. Reason: %#x (%s)",
__FUNCTION__, nRetCode, PRL_RESULT_TO_STRING(nRetCode));
goto exit;
}
m_bExVmOperationRegistered = true;
}
m_pVmConfig = CDspService::instance()->getVzHelper()->getCtConfig(getClient(), m_sVmUuid);
if (!m_pVmConfig.isValid()) {
WRITE_TRACE(DBG_FATAL, "Can not load config for uuid %s", QSTR2UTF8(m_sVmUuid));
goto exit;
}
m_sVmHomePath = m_pVmConfig->getVmIdentification()->getHomePath();
m_nCtid = m_pVmConfig->getVmIdentification()->getEnvId();
nRetCode = CDspService::instance()->getVzHelper()->getVzlibHelper().get_env_status(m_sVmUuid, m_nPrevVmState);
if (PRL_FAILED(nRetCode)) {
WRITE_TRACE(DBG_FATAL, "Can not get status for uuid %s", QSTR2UTF8(m_sVmUuid));
goto exit;
}
if (m_nPrevVmState != VMS_STOPPED) {
WRITE_TRACE(DBG_FATAL, "CT must be stopped for migration");
nRetCode = PRL_ERR_VM_MIGRATE_UNSUITABLE_VM_STATE;
goto exit;
}
nRetCode = CVzHelper::src_start_migrate_env(m_nCtid, &m_pOpaqueLock);
if (PRL_FAILED(nRetCode)) {
WRITE_TRACE(DBG_FATAL, "Can not start source CT migration for uuid %s", QSTR2UTF8(m_sVmUuid));
goto exit;
}
{
/* LOCK inside brackets */
CDspLockedPointer<CDspHostInfo> lockedHostInfo = CDspService::instance()->getHostInfo();
m_cHostInfo.fromString( lockedHostInfo->data()->toString() );
}
nRetCode = Connect(
m_sServerHostname, m_nServerPort, m_sServerSessionUuid, QString(), QString(), m_nMigrationFlags);
if (PRL_FAILED(nRetCode))
goto exit;
exit:
setLastErrorCode(nRetCode);
return nRetCode;
}
