Examples with XenAPIException com.xensource.xenapi.Types.XenAPIException used on opensource projects

Example 46 with XenAPIException

use of com.xensource.xenapi.Types.XenAPIException in project cloudstack by apache.

the class CitrixAttachIsoCommandWrapper method execute.

@Override
public Answer execute(final AttachIsoCommand command, final CitrixResourceBase citrixResourceBase) {
    final Connection conn = citrixResourceBase.getConnection();
    final boolean attach = command.isAttach();
    final String vmName = command.getVmName();
    final String isoURL = command.getIsoPath();
    String errorMsg;
    if (attach) {
        errorMsg = "Failed to attach ISO";
    } else {
        errorMsg = "Failed to detach ISO";
    }
    try {
        if (attach) {
            VBD isoVBD = null;
            // Find the VM
            final VM vm = citrixResourceBase.getVM(conn, vmName);
            // Find the ISO VDI
            final VDI isoVDI = citrixResourceBase.getIsoVDIByURL(conn, vmName, isoURL);
            // Find the VM's CD-ROM VBD
            final Set<VBD> vbds = vm.getVBDs(conn);
            for (final VBD vbd : vbds) {
                final String userDevice = vbd.getUserdevice(conn);
                final Types.VbdType type = vbd.getType(conn);
                if (userDevice.equals("3") && type == Types.VbdType.CD) {
                    isoVBD = vbd;
                    break;
                }
            }
            if (isoVBD == null) {
                throw new CloudRuntimeException("Unable to find CD-ROM VBD for VM: " + vmName);
            } else {
                // If an ISO is already inserted, eject it
                if (isoVBD.getEmpty(conn) == false) {
                    isoVBD.eject(conn);
                }
                // Insert the new ISO
                isoVBD.insert(conn, isoVDI);
            }
            return new Answer(command);
        } else {
            // Find the VM
            final VM vm = citrixResourceBase.getVM(conn, vmName);
            final String vmUUID = vm.getUuid(conn);
            // Find the ISO VDI
            final VDI isoVDI = citrixResourceBase.getIsoVDIByURL(conn, vmName, isoURL);
            final SR sr = isoVDI.getSR(conn);
            // Look up all VBDs for this VDI
            final Set<VBD> vbds = isoVDI.getVBDs(conn);
            // the ISO from it
            for (final VBD vbd : vbds) {
                final VM vbdVM = vbd.getVM(conn);
                final String vbdVmUUID = vbdVM.getUuid(conn);
                if (vbdVmUUID.equals(vmUUID)) {
                    // If an ISO is already inserted, eject it
                    if (!vbd.getEmpty(conn)) {
                        vbd.eject(conn);
                    }
                    break;
                }
            }
            if (!sr.getNameLabel(conn).startsWith("XenServer Tools")) {
                citrixResourceBase.removeSR(conn, sr);
            }
            return new Answer(command);
        }
    } catch (final XenAPIException e) {
        s_logger.warn(errorMsg + ": " + e.toString(), e);
        return new Answer(command, false, e.toString());
    } catch (final Exception e) {
        s_logger.warn(errorMsg + ": " + e.toString(), e);
        return new Answer(command, false, e.getMessage());
    }
}

Example 47 with XenAPIException

use of com.xensource.xenapi.Types.XenAPIException in project cloudstack by apache.

the class CitrixGetVmStatsCommandWrapper method execute.

@Override
public Answer execute(final GetVmStatsCommand command, final CitrixResourceBase citrixResourceBase) {
    final Connection conn = citrixResourceBase.getConnection();
    final List<String> vmNames = command.getVmNames();
    final HashMap<String, VmStatsEntry> vmStatsNameMap = new HashMap<String, VmStatsEntry>();
    if (vmNames.size() == 0) {
        return new GetVmStatsAnswer(command, vmStatsNameMap);
    }
    try {
        // Determine the UUIDs of the requested VMs
        final List<String> vmUUIDs = new ArrayList<String>();
        for (final String vmName : vmNames) {
            final VM vm = citrixResourceBase.getVM(conn, vmName);
            vmUUIDs.add(vm.getUuid(conn));
        }
        final HashMap<String, VmStatsEntry> vmStatsUUIDMap = citrixResourceBase.getVmStats(conn, command, vmUUIDs, command.getHostGuid());
        if (vmStatsUUIDMap == null) {
            return new GetVmStatsAnswer(command, vmStatsNameMap);
        }
        for (final Map.Entry<String, VmStatsEntry> entry : vmStatsUUIDMap.entrySet()) {
            vmStatsNameMap.put(vmNames.get(vmUUIDs.indexOf(entry.getKey())), entry.getValue());
        }
        return new GetVmStatsAnswer(command, vmStatsNameMap);
    } catch (final XenAPIException e) {
        final String msg = "Unable to get VM stats" + e.toString();
        s_logger.warn(msg, e);
        return new GetVmStatsAnswer(command, vmStatsNameMap);
    } catch (final XmlRpcException e) {
        final String msg = "Unable to get VM stats" + e.getMessage();
        s_logger.warn(msg, e);
        return new GetVmStatsAnswer(command, vmStatsNameMap);
    }
}

Example 48 with XenAPIException

use of com.xensource.xenapi.Types.XenAPIException in project cloudstack by apache.

the class XenServerStorageProcessor method backupSnapshot.

@Override
public Answer backupSnapshot(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final DataTO srcData = cmd.getSrcTO();
    final DataTO cacheData = cmd.getCacheTO();
    final DataTO destData = cmd.getDestTO();
    final int wait = cmd.getWait();
    final String primaryStorageNameLabel = srcData.getDataStore().getUuid();
    String secondaryStorageUrl = null;
    NfsTO cacheStore = null;
    String destPath = null;
    if (cacheData != null) {
        cacheStore = (NfsTO) cacheData.getDataStore();
        secondaryStorageUrl = cacheStore.getUrl();
        destPath = cacheData.getPath();
    } else {
        cacheStore = (NfsTO) destData.getDataStore();
        secondaryStorageUrl = cacheStore.getUrl();
        destPath = destData.getPath();
    }
    final SnapshotObjectTO snapshotTO = (SnapshotObjectTO) srcData;
    final SnapshotObjectTO snapshotOnImage = (SnapshotObjectTO) destData;
    final String snapshotUuid = snapshotTO.getPath();
    final String volumeUuid = snapshotTO.getVolume().getPath();
    final String prevBackupUuid = snapshotOnImage.getParentSnapshotPath();
    final String prevSnapshotUuid = snapshotTO.getParentSnapshotPath();
    // By default assume failure
    String details = null;
    String snapshotBackupUuid = null;
    Long physicalSize = null;
    final Map<String, String> options = cmd.getOptions();
    boolean fullbackup = Boolean.parseBoolean(options.get("fullSnapshot"));
    boolean result = false;
    try {
        final SR primaryStorageSR = hypervisorResource.getSRByNameLabelandHost(conn, primaryStorageNameLabel);
        if (primaryStorageSR == null) {
            throw new InternalErrorException("Could not backup snapshot because the primary Storage SR could not be created from the name label: " + primaryStorageNameLabel);
        }
        final String psUuid = primaryStorageSR.getUuid(conn);
        final Boolean isISCSI = IsISCSI(primaryStorageSR.getType(conn));
        final VDI snapshotVdi = getVDIbyUuid(conn, snapshotUuid);
        String snapshotPaUuid = null;
        if (prevSnapshotUuid != null && !fullbackup) {
            try {
                snapshotPaUuid = getVhdParent(conn, psUuid, snapshotUuid, isISCSI);
                if (snapshotPaUuid != null) {
                    final String snashotPaPaPaUuid = getVhdParent(conn, psUuid, snapshotPaUuid, isISCSI);
                    final String prevSnashotPaUuid = getVhdParent(conn, psUuid, prevSnapshotUuid, isISCSI);
                    if (snashotPaPaPaUuid != null && prevSnashotPaUuid != null && prevSnashotPaUuid.equals(snashotPaPaPaUuid)) {
                        fullbackup = false;
                    } else {
                        fullbackup = true;
                    }
                }
            } catch (final Exception e) {
                s_logger.debug("Failed to get parent snapshots, take full snapshot", e);
                fullbackup = true;
            }
        }
        final URI uri = new URI(secondaryStorageUrl);
        final String secondaryStorageMountPath = uri.getHost() + ":" + uri.getPath();
        final DataStoreTO destStore = destData.getDataStore();
        final String folder = destPath;
        String finalPath = null;
        final String localMountPoint = BaseMountPointOnHost + File.separator + UUID.nameUUIDFromBytes(secondaryStorageUrl.getBytes()).toString();
        if (fullbackup) {
            if (!hypervisorResource.createSecondaryStorageFolder(conn, secondaryStorageMountPath, folder)) {
                details = " Filed to create folder " + folder + " in secondary storage";
                s_logger.warn(details);
                return new CopyCmdAnswer(details);
            }
            final String snapshotMountpoint = secondaryStorageUrl + "/" + folder;
            SR snapshotSr = null;
            try {
                snapshotSr = hypervisorResource.createNfsSRbyURI(conn, new URI(snapshotMountpoint), false);
                final VDI backedVdi = hypervisorResource.cloudVDIcopy(conn, snapshotVdi, snapshotSr, wait);
                snapshotBackupUuid = backedVdi.getUuid(conn);
                final String primarySRuuid = snapshotSr.getUuid(conn);
                physicalSize = getSnapshotSize(conn, primarySRuuid, snapshotBackupUuid, isISCSI, wait);
                if (destStore instanceof SwiftTO) {
                    try {
                        final String container = "S-" + snapshotTO.getVolume().getVolumeId().toString();
                        final String destSnapshotName = swiftBackupSnapshot(conn, (SwiftTO) destStore, snapshotSr.getUuid(conn), snapshotBackupUuid, container, false, wait);
                        final String swiftPath = container + File.separator + destSnapshotName;
                        finalPath = swiftPath;
                    } finally {
                        try {
                            deleteSnapshotBackup(conn, localMountPoint, folder, secondaryStorageMountPath, snapshotBackupUuid);
                        } catch (final Exception e) {
                            s_logger.debug("Failed to delete snapshot on cache storages", e);
                        }
                    }
                } else if (destStore instanceof S3TO) {
                    try {
                        finalPath = backupSnapshotToS3(conn, (S3TO) destStore, snapshotSr.getUuid(conn), folder, snapshotBackupUuid, isISCSI, wait);
                        if (finalPath == null) {
                            throw new CloudRuntimeException("S3 upload of snapshots " + snapshotBackupUuid + " failed");
                        }
                    } finally {
                        try {
                            deleteSnapshotBackup(conn, localMountPoint, folder, secondaryStorageMountPath, snapshotBackupUuid);
                        } catch (final Exception e) {
                            s_logger.debug("Failed to delete snapshot on cache storages", e);
                        }
                    }
                // finalPath = folder + File.separator + snapshotBackupUuid;
                } else {
                    finalPath = folder + cacheStore.getPathSeparator() + snapshotBackupUuid;
                }
            } finally {
                if (snapshotSr != null) {
                    hypervisorResource.removeSR(conn, snapshotSr);
                }
            }
        } else {
            final String primaryStorageSRUuid = primaryStorageSR.getUuid(conn);
            if (destStore instanceof SwiftTO) {
                final String container = "S-" + snapshotTO.getVolume().getVolumeId().toString();
                snapshotBackupUuid = swiftBackupSnapshot(conn, (SwiftTO) destStore, primaryStorageSRUuid, snapshotPaUuid, "S-" + snapshotTO.getVolume().getVolumeId().toString(), isISCSI, wait);
                finalPath = container + File.separator + snapshotBackupUuid;
            } else if (destStore instanceof S3TO) {
                finalPath = backupSnapshotToS3(conn, (S3TO) destStore, primaryStorageSRUuid, folder, snapshotPaUuid, isISCSI, wait);
                if (finalPath == null) {
                    throw new CloudRuntimeException("S3 upload of snapshots " + snapshotPaUuid + " failed");
                }
            } else {
                final String results = backupSnapshot(conn, primaryStorageSRUuid, localMountPoint, folder, secondaryStorageMountPath, snapshotUuid, prevBackupUuid, isISCSI, wait);
                final String[] tmp = results.split("#");
                snapshotBackupUuid = tmp[1];
                physicalSize = Long.parseLong(tmp[2]);
                finalPath = folder + cacheStore.getPathSeparator() + snapshotBackupUuid;
            }
        }
        // delete primary snapshots with only the last one left
        destroySnapshotOnPrimaryStorageExceptThis(conn, volumeUuid, snapshotUuid);
        final SnapshotObjectTO newSnapshot = new SnapshotObjectTO();
        newSnapshot.setPath(finalPath);
        newSnapshot.setPhysicalSize(physicalSize);
        if (fullbackup) {
            newSnapshot.setParentSnapshotPath(null);
        } else {
            newSnapshot.setParentSnapshotPath(prevBackupUuid);
        }
        result = true;
        return new CopyCmdAnswer(newSnapshot);
    } catch (final XenAPIException e) {
        details = "BackupSnapshot Failed due to " + e.toString();
        s_logger.warn(details, e);
    } catch (final Exception e) {
        details = "BackupSnapshot Failed due to " + e.getMessage();
        s_logger.warn(details, e);
    } finally {
        if (!result) {
            // remove last bad primary snapshot when exception happens
            try {
                destroySnapshotOnPrimaryStorage(conn, snapshotUuid);
            } catch (final Exception e) {
                s_logger.debug("clean up snapshot failed", e);
            }
        }
    }
    return new CopyCmdAnswer(details);
}

Example 49 with XenAPIException

use of com.xensource.xenapi.Types.XenAPIException in project cloudstack by apache.

the class XenServerStorageProcessor method createVolumeFromSnapshot.

@Override
public Answer createVolumeFromSnapshot(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final DataTO srcData = cmd.getSrcTO();
    final SnapshotObjectTO snapshot = (SnapshotObjectTO) srcData;
    final DataTO destData = cmd.getDestTO();
    final DataStoreTO imageStore = srcData.getDataStore();
    if (srcData.getDataStore() instanceof PrimaryDataStoreTO && destData.getDataStore() instanceof PrimaryDataStoreTO) {
        return createVolumeFromSnapshot2(cmd);
    }
    if (!(imageStore instanceof NfsTO)) {
        return new CopyCmdAnswer("unsupported protocol");
    }
    final NfsTO nfsImageStore = (NfsTO) imageStore;
    final String primaryStorageNameLabel = destData.getDataStore().getUuid();
    final String secondaryStorageUrl = nfsImageStore.getUrl();
    final int wait = cmd.getWait();
    boolean result = false;
    // Generic error message.
    String details = null;
    String volumeUUID = null;
    if (secondaryStorageUrl == null) {
        details += " because the URL passed: " + secondaryStorageUrl + " is invalid.";
        return new CopyCmdAnswer(details);
    }
    try {
        final SR primaryStorageSR = hypervisorResource.getSRByNameLabelandHost(conn, primaryStorageNameLabel);
        if (primaryStorageSR == null) {
            throw new InternalErrorException("Could not create volume from snapshot because the primary Storage SR could not be created from the name label: " + primaryStorageNameLabel);
        }
        // Get the absolute path of the snapshot on the secondary storage.
        String snapshotInstallPath = snapshot.getPath();
        final int index = snapshotInstallPath.lastIndexOf(nfsImageStore.getPathSeparator());
        final String snapshotName = snapshotInstallPath.substring(index + 1);
        if (!snapshotName.startsWith("VHD-") && !snapshotName.endsWith(".vhd")) {
            snapshotInstallPath = snapshotInstallPath + ".vhd";
        }
        final URI snapshotURI = new URI(secondaryStorageUrl + nfsImageStore.getPathSeparator() + snapshotInstallPath);
        final String snapshotPath = snapshotURI.getHost() + ":" + snapshotURI.getPath();
        final String srUuid = primaryStorageSR.getUuid(conn);
        volumeUUID = copy_vhd_from_secondarystorage(conn, snapshotPath, srUuid, wait);
        result = true;
        final VDI volume = VDI.getByUuid(conn, volumeUUID);
        final VDI.Record vdir = volume.getRecord(conn);
        final VolumeObjectTO newVol = new VolumeObjectTO();
        newVol.setPath(volumeUUID);
        newVol.setSize(vdir.virtualSize);
        return new CopyCmdAnswer(newVol);
    } catch (final XenAPIException e) {
        details += " due to " + e.toString();
        s_logger.warn(details, e);
    } catch (final Exception e) {
        details += " due to " + e.getMessage();
        s_logger.warn(details, e);
    }
    if (!result) {
        // Is this logged at a higher level?
        s_logger.error(details);
    }
    // In all cases return something.
    return new CopyCmdAnswer(details);
}

Example 50 with XenAPIException

use of com.xensource.xenapi.Types.XenAPIException in project cloudstack by apache.

the class XenServerStorageProcessor method destroySnapshotOnPrimaryStorage.

private boolean destroySnapshotOnPrimaryStorage(final Connection conn, final String lastSnapshotUuid) {
    try {
        final VDI snapshot = getVDIbyUuid(conn, lastSnapshotUuid);
        if (snapshot == null) {
            // since this is just used to cleanup leftover bad snapshots, no need to throw exception
            s_logger.warn("Could not destroy snapshot " + lastSnapshotUuid + " due to can not find it");
            return false;
        }
        snapshot.destroy(conn);
        return true;
    } catch (final XenAPIException e) {
        final String msg = "Destroying snapshot: " + lastSnapshotUuid + " failed due to " + e.toString();
        s_logger.error(msg, e);
    } catch (final Exception e) {
        final String msg = "Destroying snapshot: " + lastSnapshotUuid + " failed due to " + e.toString();
        s_logger.warn(msg, e);
    }
    return false;
}