/* 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::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;
}