Examples with ScsiLun com.vmware.vim25.ScsiLun used on opensource projects

Example 1 with ScsiLun

use of com.vmware.vim25.ScsiLun in project coprhd-controller by CoprHD.

the class VcenterApiClient method checkVMsOnHostVolume.

/**
 * Verifies if the host can see the volume, if so then check for VMs (powered on/off)
 * on the datastore identified for the given volume wwn.
 *
 * @param datacenterName {@link String} name of the dataCenter
 * @param clusterNameOrMoRef {@link String} name of the cluster
 * @param hostName {@link String} name of the host
 * @param volumewwn {@link String} volume wwn
 * @return true when there are any VMs on the datastore identified by the volume wwn, otherwise false
 * @throws VcenterSystemException
 * @throws VcenterObjectNotFoundException
 * @throws VcenterObjectConnectionException
 */
public boolean checkVMsOnHostVolume(String datacenterName, String clusterNameOrMoRef, String hostName, String volumewwn) throws VcenterSystemException, VcenterObjectNotFoundException, VcenterObjectConnectionException {
    boolean isVMsPresent = false;
    try {
        _log.info("Request to check VMs on volume " + volumewwn + " host " + hostName + " to datacenter " + datacenterName + " cluster " + clusterNameOrMoRef);
        HostSystem hostSystem = (HostSystem) createManagedEntityMap(datacenterName, clusterNameOrMoRef, hostName, false).get("HostSystem");
        if (volumewwn == null || volumewwn.trim().equals("")) {
            _log.error("Volume UUID not specified");
            throw new VcenterSystemException("Volume UUID not specified");
        }
        Datastore[] datastores = hostSystem.getDatastores();
        if (datastores != null && datastores.length > 0) {
            _log.info("Found {} datastores for host {}", datastores.length, hostName);
            String specifiedVolumeDevicePath = null;
            HostStorageSystem hostStorageSystem = hostSystem.getHostStorageSystem();
            HostStorageDeviceInfo hostStorageDeviceInfo = hostStorageSystem.getStorageDeviceInfo();
            ScsiLun[] hostScsiLuns = hostStorageDeviceInfo.getScsiLun();
            for (ScsiLun scsiLun : hostScsiLuns) {
                if (scsiLun instanceof HostScsiDisk) {
                    HostScsiDisk hostScsiDisk = (HostScsiDisk) scsiLun;
                    // Check if host is able to see the specified volume
                    if (hostScsiDisk.getUuid().toLowerCase().contains(volumewwn.toLowerCase())) {
                        _log.info("Found disk " + hostScsiDisk.getUuid() + " on " + hostName + " for volume UUID " + volumewwn);
                        specifiedVolumeDevicePath = hostScsiDisk.getDevicePath();
                        break;
                    }
                }
            }
            if (specifiedVolumeDevicePath != null) {
                Datastore bootVolDatastore = null;
                for (Datastore datastore : datastores) {
                    _log.info("Find existing datastore on volume " + volumewwn + " for host " + hostName);
                    if (datastore.getInfo() instanceof VmfsDatastoreInfo) {
                        VmfsDatastoreInfo vmfsDatastoreInfo = (VmfsDatastoreInfo) datastore.getInfo();
                        String diskName = vmfsDatastoreInfo.getVmfs().getExtent()[0].getDiskName();
                        if (specifiedVolumeDevicePath.contains(diskName) && diskName.contains(volumewwn.toLowerCase())) {
                            _log.info("Found datastore " + vmfsDatastoreInfo.getName() + " on disk " + diskName);
                            bootVolDatastore = datastore;
                            break;
                        }
                    }
                }
                if (bootVolDatastore != null) {
                    if (CollectionUtils.isNotEmpty(Arrays.asList(bootVolDatastore.getVms()))) {
                        isVMsPresent = true;
                        _log.info("Found {} VMs on the datastore {}", bootVolDatastore.getVms().length, bootVolDatastore.getName());
                    } else {
                        _log.info("No VMs found on datastore {}", bootVolDatastore.getName());
                    }
                } else {
                    _log.warn("Could not find datastore for host {} on volume wwn {}", hostName, volumewwn);
                }
            } else {
                _log.warn("Could not find disk on host {} for volume UUID {}", hostName, volumewwn);
            }
        } else {
            _log.info("No datastores found for host {}, hence inferring that no VMs are present on the given volume wwn {}", hostName, volumewwn);
        }
    } catch (VcenterSystemException | VcenterObjectNotFoundException | VcenterObjectConnectionException e) {
        _log.error("Vcenter exception checkVMsOnHostVolume : {}", e);
        throw e;
    } catch (Exception e) {
        _log.error("Exception checkVMsOnHostVolume : {}", e);
        throw new VcenterSystemException(e.getLocalizedMessage());
    }
    return isVMsPresent;
}

Example 2 with ScsiLun

use of com.vmware.vim25.ScsiLun in project coprhd-controller by CoprHD.

the class VcenterApiClient method createDatastore.

public String createDatastore(String datacenterName, String clusterNameOrMoRef, String hostname, String volumeUuid, String datastoreName) throws VcenterSystemException, VcenterObjectNotFoundException, VcenterObjectConnectionException {
    try {
        _log.info("Request to create datastore on volume " + volumeUuid + " host " + hostname + " to datacenter " + datacenterName + " cluster " + clusterNameOrMoRef);
        HostSystem hostSystem = (HostSystem) createManagedEntityMap(datacenterName, clusterNameOrMoRef, hostname, true).get("HostSystem");
        if (volumeUuid == null || volumeUuid.trim().equals("")) {
            _log.error("Volume UUID not specified");
            throw new VcenterSystemException("Volume UUID not specified");
        }
        Datastore[] datastores = hostSystem.getDatastores();
        if (datastores != null && datastores.length > 0) {
            _log.info("Check host " + hostname + " for existing datastore on volume " + volumeUuid);
            String specifiedVolumeDevicePath = null;
            HostStorageSystem hostStorageSystem = hostSystem.getHostStorageSystem();
            HostStorageDeviceInfo hostStorageDeviceInfo = hostStorageSystem.getStorageDeviceInfo();
            ScsiLun[] hostScsiLuns = hostStorageDeviceInfo.getScsiLun();
            for (ScsiLun scsiLun : hostScsiLuns) {
                if (scsiLun instanceof HostScsiDisk) {
                    HostScsiDisk hostScsiDisk = (HostScsiDisk) scsiLun;
                    if (hostScsiDisk.getUuid().toLowerCase().contains(volumeUuid.toLowerCase())) {
                        _log.info("Found disk " + hostScsiDisk.getUuid() + " on " + hostname + " for volume UUID " + volumeUuid);
                        specifiedVolumeDevicePath = hostScsiDisk.getDevicePath();
                        break;
                    }
                }
            }
            // datastore already exists.
            if (specifiedVolumeDevicePath != null) {
                for (Datastore datastore : datastores) {
                    if (datastore.getInfo() instanceof VmfsDatastoreInfo) {
                        VmfsDatastoreInfo vmfsDatastoreInfo = (VmfsDatastoreInfo) datastore.getInfo();
                        _log.info("Found datastore " + vmfsDatastoreInfo.getName() + " " + vmfsDatastoreInfo.getVmfs().getUuid());
                        String diskName = vmfsDatastoreInfo.getVmfs().getExtent()[0].getDiskName();
                        _log.info("Found datastore " + vmfsDatastoreInfo.getName() + " on disk " + diskName);
                        String devicePath = "/vmfs/devices/disks/" + diskName;
                        if (devicePath.equalsIgnoreCase(specifiedVolumeDevicePath)) {
                            _log.info("Datastore " + vmfsDatastoreInfo.getName() + " " + devicePath + " " + datastore.getMOR().getVal() + " already present");
                            return datastore.getMOR().getVal();
                        }
                    }
                }
            }
        }
        _log.info("Search for candidate disk via host " + hostname);
        HostDatastoreSystem hostDatastoreSystem = hostSystem.getHostDatastoreSystem();
        HostScsiDisk[] hostScsiDisks = hostDatastoreSystem.queryAvailableDisksForVmfs(null);
        HostScsiDisk candidateHostScsiDisk = null;
        for (HostScsiDisk hostScsiDisk : hostScsiDisks) {
            _log.info("Found disk " + hostScsiDisk.getDevicePath() + " " + hostScsiDisk.getUuid());
            if (hostScsiDisk.getUuid().toLowerCase().contains(volumeUuid.toLowerCase())) {
                candidateHostScsiDisk = hostScsiDisk;
                break;
            }
        }
        if (candidateHostScsiDisk == null) {
            _log.error("Disk " + volumeUuid + " not found - Ensure underlying storage properly configured and disk accessible to host");
            throw new VcenterSystemException("Disk " + volumeUuid + " not found - Ensure underlying storage properly configured and disk accessible to host");
        }
        String devicePath = candidateHostScsiDisk.getDevicePath();
        _log.info("Create datastore via host " + hostname + " on disk " + devicePath);
        VmfsDatastoreOption[] vmfsDatastoreOption = hostDatastoreSystem.queryVmfsDatastoreCreateOptions(devicePath);
        VmfsDatastoreCreateSpec vmfsDatastoreCreateSpec = (VmfsDatastoreCreateSpec) vmfsDatastoreOption[0].getSpec();
        vmfsDatastoreCreateSpec.getVmfs().setVolumeName(datastoreName);
        // TODO externalize
        vmfsDatastoreCreateSpec.getVmfs().setBlockSizeMb(1);
        Datastore datastore = null;
        try {
            datastore = hostDatastoreSystem.createVmfsDatastore(vmfsDatastoreCreateSpec);
        } catch (HostConfigFault hcf) {
            _log.info("HostConfigFault creating datastore on disk " + devicePath + " thus retry");
            if (hcf.getFaultMessage() != null && hcf.getFaultMessage().length > 0 && hcf.getFaultMessage()[0] != null) {
                String errorMessage = hcf.getFaultMessage()[0].toString();
                _log.error("HostConfigFault details are " + errorMessage);
            }
            datastore = hostDatastoreSystem.createVmfsDatastore(vmfsDatastoreCreateSpec);
        }
        if (datastore == null) {
            // Should not happen
            _log.error("Datastore null after create");
            throw new VcenterSystemException("Error creating datastore");
        }
        return datastore.getMOR().getVal();
    } catch (VcenterSystemException | VcenterObjectNotFoundException | VcenterObjectConnectionException e) {
        throw e;
    } catch (Exception e) {
        _log.error("Exception creating datastore: " + e);
        throw new VcenterSystemException(e.getLocalizedMessage());
    }
}