Examples with Host com.cloud.host.Host used on opensource projects

Example 91 with Host

use of com.cloud.host.Host in project cloudstack by apache.

the class VolumeOrchestrator method createVolumeFromSnapshot.

@DB
@Override
public VolumeInfo createVolumeFromSnapshot(Volume volume, Snapshot snapshot, UserVm vm) throws StorageUnavailableException {
    Account account = _entityMgr.findById(Account.class, volume.getAccountId());
    final HashSet<StoragePool> poolsToAvoid = new HashSet<StoragePool>();
    StoragePool pool = null;
    Set<Long> podsToAvoid = new HashSet<Long>();
    Pair<Pod, Long> pod = null;
    DiskOffering diskOffering = _entityMgr.findById(DiskOffering.class, volume.getDiskOfferingId());
    DataCenter dc = _entityMgr.findById(DataCenter.class, volume.getDataCenterId());
    DiskProfile dskCh = new DiskProfile(volume, diskOffering, snapshot.getHypervisorType());
    String msg = "There are no available storage pools to store the volume in";
    if (vm != null) {
        Pod podofVM = _entityMgr.findById(Pod.class, vm.getPodIdToDeployIn());
        if (podofVM != null) {
            pod = new Pair<Pod, Long>(podofVM, podofVM.getId());
        }
    }
    if (vm != null && pod != null) {
        //if VM is running use the hostId to find the clusterID. If it is stopped, refer the cluster where the ROOT volume of the VM exists.
        Long hostId = null;
        Long clusterId = null;
        if (vm.getState() == State.Running) {
            hostId = vm.getHostId();
            if (hostId != null) {
                Host vmHost = _entityMgr.findById(Host.class, hostId);
                clusterId = vmHost.getClusterId();
            }
        } else {
            List<VolumeVO> rootVolumesOfVm = _volsDao.findByInstanceAndType(vm.getId(), Volume.Type.ROOT);
            if (rootVolumesOfVm.size() != 1) {
                throw new CloudRuntimeException("The VM " + vm.getHostName() + " has more than one ROOT volume and is in an invalid state. Please contact Cloud Support.");
            } else {
                VolumeVO rootVolumeOfVm = rootVolumesOfVm.get(0);
                StoragePoolVO rootDiskPool = _storagePoolDao.findById(rootVolumeOfVm.getPoolId());
                clusterId = (rootDiskPool == null ? null : rootDiskPool.getClusterId());
            }
        }
        // Determine what storage pool to store the volume in
        while ((pool = findStoragePool(dskCh, dc, pod.first(), clusterId, hostId, vm, poolsToAvoid)) != null) {
            break;
        }
        if (pool == null) {
            //pool could not be found in the VM's pod/cluster.
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("Could not find any storage pool to create Volume in the pod/cluster of the provided VM " + vm.getUuid());
            }
            StringBuilder addDetails = new StringBuilder(msg);
            addDetails.append(", Could not find any storage pool to create Volume in the pod/cluster of the VM ");
            addDetails.append(vm.getUuid());
            msg = addDetails.toString();
        }
    } else {
        // Determine what pod to store the volume in
        while ((pod = findPod(null, null, dc, account.getId(), podsToAvoid)) != null) {
            podsToAvoid.add(pod.first().getId());
            // Determine what storage pool to store the volume in
            while ((pool = findStoragePool(dskCh, dc, pod.first(), null, null, null, poolsToAvoid)) != null) {
                break;
            }
            if (pool != null) {
                if (s_logger.isDebugEnabled()) {
                    s_logger.debug("Found a suitable pool for create volume: " + pool.getId());
                }
                break;
            }
        }
    }
    if (pool == null) {
        s_logger.info(msg);
        throw new StorageUnavailableException(msg, -1);
    }
    VolumeInfo vol = volFactory.getVolume(volume.getId());
    DataStore store = dataStoreMgr.getDataStore(pool.getId(), DataStoreRole.Primary);
    DataStoreRole dataStoreRole = getDataStoreRole(snapshot);
    SnapshotInfo snapInfo = snapshotFactory.getSnapshot(snapshot.getId(), dataStoreRole);
    if (snapInfo == null && dataStoreRole == DataStoreRole.Image) {
        // snapshot is not backed up to secondary, let's do that now.
        snapInfo = snapshotFactory.getSnapshot(snapshot.getId(), DataStoreRole.Primary);
        if (snapInfo == null) {
            throw new CloudRuntimeException("Cannot find snapshot " + snapshot.getId());
        }
        // We need to copy the snapshot onto secondary.
        SnapshotStrategy snapshotStrategy = _storageStrategyFactory.getSnapshotStrategy(snapshot, SnapshotOperation.BACKUP);
        snapshotStrategy.backupSnapshot(snapInfo);
        // Attempt to grab it again.
        snapInfo = snapshotFactory.getSnapshot(snapshot.getId(), dataStoreRole);
        if (snapInfo == null) {
            throw new CloudRuntimeException("Cannot find snapshot " + snapshot.getId() + " on secondary and could not create backup");
        }
    }
    // don't try to perform a sync if the DataStoreRole of the snapshot is equal to DataStoreRole.Primary
    if (!DataStoreRole.Primary.equals(dataStoreRole)) {
        try {
            // sync snapshot to region store if necessary
            DataStore snapStore = snapInfo.getDataStore();
            long snapVolId = snapInfo.getVolumeId();
            _snapshotSrv.syncVolumeSnapshotsToRegionStore(snapVolId, snapStore);
        } catch (Exception ex) {
            // log but ignore the sync error to avoid any potential S3 down issue, it should be sync next time
            s_logger.warn(ex.getMessage(), ex);
        }
    }
    // create volume on primary from snapshot
    AsyncCallFuture<VolumeApiResult> future = volService.createVolumeFromSnapshot(vol, store, snapInfo);
    try {
        VolumeApiResult result = future.get();
        if (result.isFailed()) {
            s_logger.debug("Failed to create volume from snapshot:" + result.getResult());
            throw new CloudRuntimeException("Failed to create volume from snapshot:" + result.getResult());
        }
        return result.getVolume();
    } catch (InterruptedException e) {
        s_logger.debug("Failed to create volume from snapshot", e);
        throw new CloudRuntimeException("Failed to create volume from snapshot", e);
    } catch (ExecutionException e) {
        s_logger.debug("Failed to create volume from snapshot", e);
        throw new CloudRuntimeException("Failed to create volume from snapshot", e);
    }
}

Example 92 with Host

use of com.cloud.host.Host in project cloudstack by apache.

the class NetworkOrchestrator method createNicForVm.

@Override
public NicProfile createNicForVm(final Network network, final NicProfile requested, final ReservationContext context, final VirtualMachineProfile vmProfile, final boolean prepare) throws InsufficientVirtualNetworkCapacityException, InsufficientAddressCapacityException, ConcurrentOperationException, InsufficientCapacityException, ResourceUnavailableException {
    final VirtualMachine vm = vmProfile.getVirtualMachine();
    final DataCenter dc = _entityMgr.findById(DataCenter.class, network.getDataCenterId());
    final Host host = _hostDao.findById(vm.getHostId());
    final DeployDestination dest = new DeployDestination(dc, null, null, host);
    NicProfile nic = getNicProfileForVm(network, requested, vm);
    //1) allocate nic (if needed) Always allocate if it is a user vm
    if (nic == null || vmProfile.getType() == VirtualMachine.Type.User) {
        final int deviceId = _nicDao.getFreeDeviceId(vm.getId());
        nic = allocateNic(requested, network, false, deviceId, vmProfile).first();
        if (nic == null) {
            throw new CloudRuntimeException("Failed to allocate nic for vm " + vm + " in network " + network);
        }
        //Update vm_network_map table
        if (vmProfile.getType() == VirtualMachine.Type.User) {
            final VMNetworkMapVO vno = new VMNetworkMapVO(vm.getId(), network.getId());
            _vmNetworkMapDao.persist(vno);
        }
        s_logger.debug("Nic is allocated successfully for vm " + vm + " in network " + network);
    }
    //2) prepare nic
    if (prepare) {
        final Pair<NetworkGuru, NetworkVO> implemented = implementNetwork(nic.getNetworkId(), dest, context, vmProfile.getVirtualMachine().getType() == Type.DomainRouter);
        if (implemented == null || implemented.first() == null) {
            s_logger.warn("Failed to implement network id=" + nic.getNetworkId() + " as a part of preparing nic id=" + nic.getId());
            throw new CloudRuntimeException("Failed to implement network id=" + nic.getNetworkId() + " as a part preparing nic id=" + nic.getId());
        }
        nic = prepareNic(vmProfile, dest, context, nic.getId(), implemented.second());
        s_logger.debug("Nic is prepared successfully for vm " + vm + " in network " + network);
    }
    return nic;
}

Example 93 with Host

use of com.cloud.host.Host in project cloudstack by apache.

the class FindHostsForMigrationCmd method execute.

@Override
public void execute() {
    ListResponse<HostForMigrationResponse> response = null;
    Pair<List<? extends Host>, Integer> result;
    Map<Host, Boolean> hostsRequiringStorageMotion;
    Ternary<Pair<List<? extends Host>, Integer>, List<? extends Host>, Map<Host, Boolean>> hostsForMigration = _mgr.listHostsForMigrationOfVM(getVirtualMachineId(), this.getStartIndex(), this.getPageSizeVal(), this.getKeyword());
    result = hostsForMigration.first();
    List<? extends Host> hostsWithCapacity = hostsForMigration.second();
    hostsRequiringStorageMotion = hostsForMigration.third();
    response = new ListResponse<HostForMigrationResponse>();
    List<HostForMigrationResponse> hostResponses = new ArrayList<HostForMigrationResponse>();
    for (Host host : result.first()) {
        HostForMigrationResponse hostResponse = _responseGenerator.createHostForMigrationResponse(host);
        Boolean suitableForMigration = false;
        if (hostsWithCapacity.contains(host)) {
            suitableForMigration = true;
        }
        hostResponse.setSuitableForMigration(suitableForMigration);
        Boolean requiresStorageMotion = hostsRequiringStorageMotion.get(host);
        if (requiresStorageMotion != null && requiresStorageMotion) {
            hostResponse.setRequiresStorageMotion(true);
        } else {
            hostResponse.setRequiresStorageMotion(false);
        }
        hostResponse.setObjectName("host");
        hostResponses.add(hostResponse);
    }
    response.setResponses(hostResponses, result.second());
    response.setResponseName(getCommandName());
    this.setResponseObject(response);
}

Example 94 with Host

use of com.cloud.host.Host in project cloudstack by apache.

the class PrepareForMaintenanceCmd method execute.

@Override
public void execute() {
    Host result = _resourceService.maintain(this);
    if (result != null) {
        HostResponse response = _responseGenerator.createHostResponse(result);
        response.setResponseName("host");
        this.setResponseObject(response);
    } else {
        throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to prepare host for maintenance");
    }
}

Example 95 with Host

use of com.cloud.host.Host in project cloudstack by apache.

the class CancelMaintenanceCmd method execute.

@Override
public void execute() {
    Host result = _resourceService.cancelMaintenance(this);
    if (result != null) {
        HostResponse response = _responseGenerator.createHostResponse(result);
        response.setResponseName(getCommandName());
        this.setResponseObject(response);
    } else {
        throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to cancel host maintenance");
    }
}