@Override
public void run() {
try {
List<VolumeVO> volumes = _volsDao.listAll();
Map<Long, List<VolumeCommand>> commandsByPool = new HashMap<Long, List<VolumeCommand>>();
for (VolumeVO volume : volumes) {
List<VolumeCommand> commands = commandsByPool.get(volume.getPoolId());
if (commands == null) {
commands = new ArrayList<VolumeCommand>();
commandsByPool.put(volume.getPoolId(), commands);
}
VolumeCommand vCommand = new VolumeCommand();
vCommand.volumeId = volume.getId();
vCommand.command = new GetFileStatsCommand(volume);
commands.add(vCommand);
}
ConcurrentHashMap<Long, VolumeStats> volumeStats =
new ConcurrentHashMap<Long, VolumeStats>();
for (Iterator<Long> iter = commandsByPool.keySet().iterator(); iter.hasNext(); ) {
Long poolId = iter.next();
List<VolumeCommand> commandsList = commandsByPool.get(poolId);
long[] volumeIdArray = new long[commandsList.size()];
Commands commands = new Commands(OnError.Continue);
for (int i = 0; i < commandsList.size(); i++) {
VolumeCommand vCommand = commandsList.get(i);
volumeIdArray[i] = vCommand.volumeId;
commands.addCommand(vCommand.command);
}
List<StoragePoolHostVO> poolhosts = _storagePoolHostDao.listByPoolId(poolId);
for (StoragePoolHostVO poolhost : poolhosts) {
Answer[] answers = _agentMgr.send(poolhost.getHostId(), commands);
if (answers != null) {
long totalBytes = 0L;
for (int i = 0; i < answers.length; i++) {
if (answers[i].getResult()) {
VolumeStats vStats = (VolumeStats) answers[i];
volumeStats.put(volumeIdArray[i], vStats);
totalBytes += vStats.getBytesUsed();
}
}
break;
}
}
}
// We replace the existing volumeStats so that it does not grow with no bounds
_volumeStats = volumeStats;
} catch (AgentUnavailableException e) {
s_logger.debug(e.getMessage());
} catch (Throwable t) {
s_logger.error("Error trying to retrieve volume stats", t);
}
}
@Override
public String reserveVirtualMachine(
VMEntityVO vmEntityVO, String plannerToUse, DeploymentPlan planToDeploy, ExcludeList exclude)
throws InsufficientCapacityException, ResourceUnavailableException {
// call planner and get the deployDestination.
// load vm instance and offerings and call virtualMachineManagerImpl
// FIXME: profile should work on VirtualMachineEntity
VMInstanceVO vm = _vmDao.findByUuid(vmEntityVO.getUuid());
VirtualMachineProfileImpl<VMInstanceVO> vmProfile =
new VirtualMachineProfileImpl<VMInstanceVO>(vm);
DataCenterDeployment plan =
new DataCenterDeployment(
vm.getDataCenterId(), vm.getPodIdToDeployIn(), null, null, null, null);
if (planToDeploy != null && planToDeploy.getDataCenterId() != 0) {
plan =
new DataCenterDeployment(
planToDeploy.getDataCenterId(),
planToDeploy.getPodId(),
planToDeploy.getClusterId(),
planToDeploy.getHostId(),
planToDeploy.getPoolId(),
planToDeploy.getPhysicalNetworkId());
}
List<VolumeVO> vols = _volsDao.findReadyRootVolumesByInstance(vm.getId());
if (!vols.isEmpty()) {
VolumeVO vol = vols.get(0);
StoragePoolVO pool = _storagePoolDao.findById(vol.getPoolId());
if (!pool.isInMaintenance()) {
long rootVolDcId = pool.getDataCenterId();
Long rootVolPodId = pool.getPodId();
Long rootVolClusterId = pool.getClusterId();
if (planToDeploy != null && planToDeploy.getDataCenterId() != 0) {
Long clusterIdSpecified = planToDeploy.getClusterId();
if (clusterIdSpecified != null && rootVolClusterId != null) {
if (rootVolClusterId.longValue() != clusterIdSpecified.longValue()) {
// cannot satisfy the plan passed in to the
// planner
throw new ResourceUnavailableException(
"Root volume is ready in different cluster, Deployment plan provided cannot be satisfied, unable to create a deployment for "
+ vm,
Cluster.class,
clusterIdSpecified);
}
}
plan =
new DataCenterDeployment(
planToDeploy.getDataCenterId(),
planToDeploy.getPodId(),
planToDeploy.getClusterId(),
planToDeploy.getHostId(),
vol.getPoolId(),
null,
null);
} else {
plan =
new DataCenterDeployment(
rootVolDcId, rootVolPodId, rootVolClusterId, null, vol.getPoolId(), null, null);
}
}
}
DeploymentPlanner planner = ComponentContext.getComponent(plannerToUse);
DeployDestination dest = null;
if (planner.canHandle(vmProfile, plan, exclude)) {
dest = planner.plan(vmProfile, plan, exclude);
}
if (dest != null) {
// save destination with VMEntityVO
VMReservationVO vmReservation =
new VMReservationVO(
vm.getId(),
dest.getDataCenter().getId(),
dest.getPod().getId(),
dest.getCluster().getId(),
dest.getHost().getId());
Map<Long, Long> volumeReservationMap = new HashMap<Long, Long>();
for (Volume vo : dest.getStorageForDisks().keySet()) {
volumeReservationMap.put(vo.getId(), dest.getStorageForDisks().get(vo).getId());
}
vmReservation.setVolumeReservation(volumeReservationMap);
vmEntityVO.setVmReservation(vmReservation);
_vmEntityDao.persist(vmEntityVO);
return vmReservation.getUuid();
} else {
throw new InsufficientServerCapacityException(
"Unable to create a deployment for " + vmProfile,
DataCenter.class,
plan.getDataCenterId());
}
}
@DB
protected void scheduleSnapshots() {
String displayTime = DateUtil.displayDateInTimezone(DateUtil.GMT_TIMEZONE, _currentTimestamp);
s_logger.debug("Snapshot scheduler.poll is being called at " + displayTime);
List<SnapshotScheduleVO> snapshotsToBeExecuted =
_snapshotScheduleDao.getSchedulesToExecute(_currentTimestamp);
s_logger.debug(
"Got " + snapshotsToBeExecuted.size() + " snapshots to be executed at " + displayTime);
// This is done for recurring snapshots, which are executed by the system automatically
// Hence set user id to that of system
long userId = 1;
for (SnapshotScheduleVO snapshotToBeExecuted : snapshotsToBeExecuted) {
long policyId = snapshotToBeExecuted.getPolicyId();
long volumeId = snapshotToBeExecuted.getVolumeId();
VolumeVO volume = _volsDao.findById(volumeId);
if (volume.getPoolId() == null) {
// this volume is not attached
continue;
}
if (_snapshotPolicyDao.findById(policyId) == null) {
_snapshotScheduleDao.remove(snapshotToBeExecuted.getId());
}
if (s_logger.isDebugEnabled()) {
Date scheduledTimestamp = snapshotToBeExecuted.getScheduledTimestamp();
displayTime = DateUtil.displayDateInTimezone(DateUtil.GMT_TIMEZONE, scheduledTimestamp);
s_logger.debug(
"Scheduling 1 snapshot for volume "
+ volumeId
+ " for schedule id: "
+ snapshotToBeExecuted.getId()
+ " at "
+ displayTime);
}
long snapshotScheId = snapshotToBeExecuted.getId();
SnapshotScheduleVO tmpSnapshotScheduleVO = null;
try {
tmpSnapshotScheduleVO = _snapshotScheduleDao.acquireInLockTable(snapshotScheId);
Long eventId =
EventUtils.saveScheduledEvent(
User.UID_SYSTEM,
Account.ACCOUNT_ID_SYSTEM,
EventTypes.EVENT_SNAPSHOT_CREATE,
"creating snapshot for volume Id:" + volumeId,
0);
Map<String, String> params = new HashMap<String, String>();
params.put("volumeid", "" + volumeId);
params.put("policyid", "" + policyId);
params.put("ctxUserId", "1");
params.put("ctxAccountId", "1");
params.put("ctxStartEventId", String.valueOf(eventId));
CreateSnapshotCmd cmd = new CreateSnapshotCmd();
ApiDispatcher.getInstance().dispatchCreateCmd(cmd, params);
params.put("id", "" + cmd.getEntityId());
params.put("ctxStartEventId", "1");
AsyncJobVO job = new AsyncJobVO();
job.setUserId(userId);
// Just have SYSTEM own the job for now. Users won't be able to see this job, but
// it's an internal job so probably not a huge deal.
job.setAccountId(1L);
job.setCmd(CreateSnapshotCmd.class.getName());
job.setInstanceId(cmd.getEntityId());
job.setCmdInfo(GsonHelper.getBuilder().create().toJson(params));
long jobId = _asyncMgr.submitAsyncJob(job);
tmpSnapshotScheduleVO.setAsyncJobId(jobId);
_snapshotScheduleDao.update(snapshotScheId, tmpSnapshotScheduleVO);
} finally {
if (tmpSnapshotScheduleVO != null) {
_snapshotScheduleDao.releaseFromLockTable(snapshotScheId);
}
}
}
}