private void extendImageSize() {
Guid diskImageId = getParameters().getBaseImage().getImageId();
long sizeInBytes = getParameters().getTopImage().getSize();
ExtendImageSizeParameters parameters =
new ExtendImageSizeParameters(diskImageId, sizeInBytes, true);
parameters.setStoragePoolId(getParameters().getBaseImage().getStoragePoolId());
parameters.setStorageDomainId(getParameters().getBaseImage().getStorageIds().get(0));
parameters.setImageGroupID(getParameters().getBaseImage().getId());
parameters.setParentCommand(VdcActionType.MergeExtend);
parameters.setParentParameters(getParameters());
CommandCoordinatorUtil.executeAsyncCommand(
VdcActionType.ExtendImageSize, parameters, cloneContextAndDetachFromParent());
log.info("Extending size of base volume {} to {} bytes", diskImageId, sizeInBytes);
}
/**
* The following method performs a removing of all cinder disks from vm. These is only DB
* operation
*/
private void removeCinderDisks(List<CinderDisk> cinderDisks) {
RemoveAllVmCinderDisksParameters removeParam =
new RemoveAllVmCinderDisksParameters(getVmTemplateId(), cinderDisks);
removeParam.setParentHasTasks(!getReturnValue().getVdsmTaskIdList().isEmpty());
Future<VdcReturnValueBase> future =
CommandCoordinatorUtil.executeAsyncCommand(
VdcActionType.RemoveAllVmCinderDisks,
withRootCommandInfo(removeParam),
cloneContextAndDetachFromParent(),
CINDERStorageHelper.getStorageEntities(cinderDisks));
try {
future.get().getActionReturnValue();
} catch (InterruptedException | ExecutionException e) {
log.error("Exception", e);
}
}
@Override
protected void executeCommand() {
VDSStatus statusBeforeUpgrade = getVds().getStatus();
if (statusBeforeUpgrade != VDSStatus.Maintenance) {
Future<VdcReturnValueBase> maintenanceCmd =
CommandCoordinatorUtil.executeAsyncCommand(
VdcActionType.MaintenanceNumberOfVdss, createMaintenanceParams(), cloneContext());
VdcReturnValueBase result;
try {
result = maintenanceCmd.get();
if (!result.getSucceeded()) {
propagateFailure(result);
return;
}
} catch (InterruptedException | ExecutionException e) {
log.error("Exception", e);
return;
}
}
setSucceeded(true);
}
/**
* The following method will perform a removing of all cinder disks from vm. These is only DB
* operation
*/
private Collection<CinderDisk> removeCinderDisks() {
Collection<CinderDisk> failedRemoveCinderDisks = null;
if (getParameters().isRemoveDisks()) {
List<CinderDisk> cinderDisks = getCinderDisks();
if (cinderDisks.isEmpty()) {
return Collections.emptyList();
}
RemoveAllVmCinderDisksParameters param =
new RemoveAllVmCinderDisksParameters(getVmId(), cinderDisks);
param.setEndProcedure(EndProcedure.COMMAND_MANAGED);
Future<VdcReturnValueBase> future =
CommandCoordinatorUtil.executeAsyncCommand(
VdcActionType.RemoveAllVmCinderDisks,
withRootCommandInfo(param),
cloneContextAndDetachFromParent());
try {
failedRemoveCinderDisks = future.get().getActionReturnValue();
} catch (InterruptedException | ExecutionException e) {
failedRemoveCinderDisks = cinderDisks;
log.error("Exception", e);
}
}
return failedRemoveCinderDisks;
}
public void proceedCommandExecution() {
// Steps are executed such that:
// a) all logic before the command runs is idempotent
// b) the command is the last action in the step
// This allows for recovery after a crash at any point during command execution.
log.debug("Proceeding with execution of RemoveSnapshotSingleDiskLiveCommand");
if (getParameters().getCommandStep() == null) {
getParameters().setCommandStep(getInitialMergeStepForImage(getParameters().getImageId()));
getParameters().setChildCommands(new HashMap<RemoveSnapshotSingleDiskLiveStep, Guid>());
}
// Upon recovery or after invoking a new child command, our map may be missing an entry
syncChildCommandList();
Guid currentChildId = getCurrentChildId();
VdcReturnValueBase vdcReturnValue = null;
if (currentChildId != null) {
switch (CommandCoordinatorUtil.getCommandStatus(currentChildId)) {
case ACTIVE:
case NOT_STARTED:
log.info(
"Waiting on Live Merge command step '{}' to complete",
getParameters().getCommandStep());
return;
case SUCCEEDED:
CommandEntity cmdEntity = CommandCoordinatorUtil.getCommandEntity(currentChildId);
if (cmdEntity.isCallbackEnabled() && !cmdEntity.isCallbackNotified()) {
log.info(
"Waiting on Live Merge command step '{}' to finalize",
getParameters().getCommandStep());
return;
}
vdcReturnValue = CommandCoordinatorUtil.getCommandReturnValue(currentChildId);
if (vdcReturnValue != null && vdcReturnValue.getSucceeded()) {
log.debug("Child command '{}' succeeded", getParameters().getCommandStep());
getParameters().setCommandStep(getParameters().getNextCommandStep());
break;
} else {
log.error(
"Child command '{}' failed: {}",
getParameters().getCommandStep(),
(vdcReturnValue != null
? vdcReturnValue.getExecuteFailedMessages()
: "null return value"));
setCommandStatus(CommandStatus.FAILED);
return;
}
case FAILED:
case FAILED_RESTARTED:
log.error("Failed child command status for step '{}'", getParameters().getCommandStep());
setCommandStatus(CommandStatus.FAILED);
return;
case UNKNOWN:
log.error("Unknown child command status for step '{}'", getParameters().getCommandStep());
setCommandStatus(CommandStatus.FAILED);
return;
}
}
log.info("Executing Live Merge command step '{}'", getParameters().getCommandStep());
Pair<VdcActionType, ? extends VdcActionParametersBase> nextCommand = null;
switch (getParameters().getCommandStep()) {
case EXTEND:
nextCommand = new Pair<>(VdcActionType.MergeExtend, buildMergeParameters());
getParameters().setNextCommandStep(RemoveSnapshotSingleDiskLiveStep.MERGE);
break;
case MERGE:
nextCommand = new Pair<>(VdcActionType.Merge, buildMergeParameters());
getParameters().setNextCommandStep(RemoveSnapshotSingleDiskLiveStep.MERGE_STATUS);
break;
case MERGE_STATUS:
getParameters().setMergeCommandComplete(true);
nextCommand = new Pair<>(VdcActionType.MergeStatus, buildMergeParameters());
getParameters().setNextCommandStep(RemoveSnapshotSingleDiskLiveStep.DESTROY_IMAGE);
break;
case DESTROY_IMAGE:
if (vdcReturnValue != null) {
getParameters()
.setMergeStatusReturnValue(
(MergeStatusReturnValue) vdcReturnValue.getActionReturnValue());
} else if (getParameters().getMergeStatusReturnValue() == null) {
// If the images were already merged, just add the orphaned image
getParameters().setMergeStatusReturnValue(synthesizeMergeStatusReturnValue());
}
nextCommand = new Pair<>(VdcActionType.DestroyImage, buildDestroyImageParameters());
getParameters().setNextCommandStep(RemoveSnapshotSingleDiskLiveStep.COMPLETE);
break;
case COMPLETE:
getParameters().setDestroyImageCommandComplete(true);
setCommandStatus(CommandStatus.SUCCEEDED);
break;
}
persistCommand(getParameters().getParentCommand(), true);
if (nextCommand != null) {
CommandCoordinatorUtil.executeAsyncCommand(
nextCommand.getFirst(), nextCommand.getSecond(), cloneContextAndDetachFromParent());
// Add the child, but wait, it's a race! child will start, task may spawn, get polled, and we
// won't have the child id
}
}