/**
* Analyze the VM data pair Skip analysis on VMs which cannot be locked note: metrics calculation
* like memCommited and vmsCoresCount should be calculated *before* this filtering.
*/
private void refreshVmStats() {
for (Pair<VM, VmInternalData> monitoredVm : monitoredVms) {
// TODO filter out migratingTo VMs if no action is taken on them
if (tryLockVmForUpdate(monitoredVm)) {
VmAnalyzer vmAnalyzer = getVmAnalyzer(monitoredVm);
vmAnalyzers.add(vmAnalyzer);
vmAnalyzer.analyze();
if (vmAnalyzer.isExternalVm()) {
externalVms.add(new Pair<>(vmAnalyzer.getDbVm(), vmAnalyzer.getVdsmVm()));
}
}
}
processExternallyManagedVms();
processVmsWithDevicesChange();
saveVmsToDb();
}
private void afterVMsRefreshTreatment() {
Collection<Guid> movedToDownVms = new ArrayList<>();
List<Guid> succeededToRunVms = new ArrayList<>();
// now loop over the result and act
for (VmAnalyzer vmAnalyzer : vmAnalyzers) {
// rerun all vms from rerun list
if (vmAnalyzer.isRerun()) {
log.error(
"Rerun VM '{}'. Called from VDS '{}'",
vmAnalyzer.getDbVm().getId(),
vdsManager.getVdsName());
ResourceManager.getInstance()
.rerunFailedCommand(vmAnalyzer.getDbVm().getId(), vdsManager.getVdsId());
}
if (vmAnalyzer.isSuccededToRun()) {
vdsManager.succeededToRunVm(vmAnalyzer.getDbVm().getId());
succeededToRunVms.add(vmAnalyzer.getDbVm().getId());
}
// Refrain from auto-start HA VM during its re-run attempts.
if (vmAnalyzer.isAutoVmToRun() && !vmAnalyzer.isRerun()) {
autoVmsToRun.add(vmAnalyzer.getDbVm().getId());
}
// process all vms that their ip changed.
if (vmAnalyzer.isClientIpChanged()) {
final VmDynamic vmDynamic = vmAnalyzer.getVdsmVm().getVmDynamic();
getVdsEventListener().processOnClientIpChange(vmDynamic.getId(), vmDynamic.getClientIp());
}
// process all vms that powering up.
if (vmAnalyzer.isPoweringUp()) {
getVdsEventListener().processOnVmPoweringUp(vmAnalyzer.getVdsmVm().getVmDynamic().getId());
}
if (vmAnalyzer.isMovedToDown()) {
movedToDownVms.add(vmAnalyzer.getDbVm().getId());
}
if (vmAnalyzer.isRemoveFromAsync()) {
ResourceManager.getInstance().removeAsyncRunningVm(vmAnalyzer.getDbVm().getId());
}
if (vmAnalyzer.isHostedEngineUnmanaged()) {
// @since 3.6 - we take existing HE VM and reimport it
importHostedEngineVM(
getVmInfo(
Collections.singletonList(
vmAnalyzer.getVdsmVm().getVmDynamic().getId().toString()))[0]);
}
}
getVdsEventListener().updateSlaPolicies(succeededToRunVms, vdsManager.getVdsId());
// run all vms that crashed that marked with auto startup
getVdsEventListener().runFailedAutoStartVMs(autoVmsToRun);
// process all vms that went down
getVdsEventListener().processOnVmStop(movedToDownVms, vdsManager.getVdsId());
getVdsEventListener()
.refreshHostIfAnyVmHasHostDevices(succeededToRunVms, vdsManager.getVdsId());
}