Examples of com.xensource.xenapi.Task$Record

com.xensource.xenapi.Task
Represents all the fields in a Task

            throw new Types.BadAsyncResult(msg);
        }
    }


    void rebootVM(Connection conn, VM vm, String vmName) throws XmlRpcException {
        Task task = null;
        try {
            task = vm.cleanRebootAsync(conn);
            try {
                //poll every 1 seconds , timeout after 10 minutes
                waitForTask(conn, task, 1000, 10 * 60 * 1000);
                checkForSuccess(conn, task);
            } catch (Types.HandleInvalid e) {
                if (vm.getPowerState(conn) == Types.VmPowerState.RUNNING) {
                    task = null;
                    return;
                }
                throw new CloudRuntimeException("Reboot VM catch HandleInvalid and VM is not in RUNNING state");
            }
        } catch (XenAPIException e) {
            s_logger.debug("Unable to Clean Reboot VM(" + vmName + ") on host(" + _host.uuid +") due to " + e.toString() + ", try hard reboot");
            try {
                vm.hardReboot(conn);
            } catch (Exception e1) {
                String msg = "Unable to hard Reboot VM(" + vmName + ") on host(" + _host.uuid +") due to " + e.toString();
                s_logger.warn(msg, e1);
                throw new CloudRuntimeException(msg);
            }
        }finally {
            if( task != null) {
                try {
                    task.destroy(conn);
                } catch (Exception e1) {
                    s_logger.debug("unable to destroy task(" + task.toString() + ") on host(" + _host.uuid +") due to " + e1.toString());
                }
            }
        }
    }

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            throw new CloudRuntimeException(msg);
        }
    }


    void shutdownVM(Connection conn, VM vm, String vmName) throws XmlRpcException {
        Task task = null;
        try {
            task = vm.cleanShutdownAsync(conn);
            try {
                //poll every 1 seconds , timeout after 10 minutes
                waitForTask(conn, task, 1000, 10 * 60 * 1000);
                checkForSuccess(conn, task);
            } catch (Types.HandleInvalid e) {
                if (vm.getPowerState(conn) == Types.VmPowerState.HALTED) {
                    task = null;
                    return;
                }
                throw new CloudRuntimeException("Shutdown VM catch HandleInvalid and VM is not in HALTED state");
            }
        } catch (XenAPIException e) {
            s_logger.debug("Unable to cleanShutdown VM(" + vmName + ") on host(" + _host.uuid +") due to " + e.toString());
            try {
                Types.VmPowerState state = vm.getPowerState(conn);
                if (state == Types.VmPowerState.RUNNING ) {
                    try {
                        vm.hardShutdown(conn);
                    } catch (Exception e1) {
                        s_logger.debug("Unable to hardShutdown VM(" + vmName + ") on host(" + _host.uuid +") due to " + e.toString());
                        state = vm.getPowerState(conn);
                        if (state == Types.VmPowerState.RUNNING ) {
                            forceShutdownVM(conn, vm);
                        }
                        return;
                    }
                } else if (state == Types.VmPowerState.HALTED ) {
                    return;
                } else {
                    String msg = "After cleanShutdown the VM status is " + state.toString() + ", that is not expected";
                    s_logger.warn(msg);
                    throw new CloudRuntimeException(msg);
                }
            } catch (Exception e1) {
                String msg = "Unable to hardShutdown VM(" + vmName + ") on host(" + _host.uuid +") due to " + e.toString();
                s_logger.warn(msg, e1);
                throw new CloudRuntimeException(msg);
            }
        }finally {
            if( task != null) {
                try {
                    task.destroy(conn);
                } catch (Exception e1) {
                    s_logger.debug("unable to destroy task(" + task.toString() + ") on host(" + _host.uuid +") due to " + e1.toString());
                }
            }
        }
    }

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            }
        }
    }


    void startVM(Connection conn, Host host, VM vm, String vmName) throws XmlRpcException {
        Task task = null;
        try {
            task = vm.startOnAsync(conn, host, false, true);
            try {
                //poll every 1 seconds , timeout after 10 minutes
                waitForTask(conn, task, 1000, 10 * 60 * 1000);
                checkForSuccess(conn, task);
            } catch (Types.HandleInvalid e) {
                if (vm.getPowerState(conn) == Types.VmPowerState.RUNNING) {
                    task = null;
                    return;
                }
                throw new CloudRuntimeException("Shutdown VM catch HandleInvalid and VM is not in RUNNING state");
            }
        } catch (XenAPIException e) {
            String msg = "Unable to start VM(" + vmName + ") on host(" + _host.uuid +") due to " + e.toString();
            s_logger.warn(msg, e);
            throw new CloudRuntimeException(msg);
        }finally {
            if( task != null) {
                try {
                    task.destroy(conn);
                } catch (Exception e1) {
                    s_logger.debug("unable to destroy task(" + task.toString() + ") on host(" + _host.uuid +") due to " + e1.toString());
                }
            }
        }
    }

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        }
    }


    private
    void migrateVM(Connection conn, Host destHost, VM vm, String vmName) throws XmlRpcException {
        Task task = null;
        try {
            Map<String, String> other = new HashMap<String, String>();
            other.put("live", "true");
            task = vm.poolMigrateAsync(conn, destHost, other);
            try {
                // poll every 1 seconds 
                long timeout = (_migratewait) * 1000L;
                waitForTask(conn, task, 1000, timeout);
                checkForSuccess(conn, task);
            } catch (Types.HandleInvalid e) {
                if (vm.getResidentOn(conn).equals(destHost)) {
                    task = null;
                    return;
                }
                throw new CloudRuntimeException("migrate VM catch HandleInvalid and VM is not running on dest host");
            }
        } catch (XenAPIException e) {
            String msg = "Unable to migrate VM(" + vmName + ") from host(" + _host.uuid +") due to " + e.toString();
            s_logger.warn(msg, e);
            throw new CloudRuntimeException(msg);
        }finally {
            if( task != null) {
                try {
                    task.destroy(conn);
                } catch (Exception e1) {
                    s_logger.debug("unable to destroy task(" + task.toString() + ") on host(" + _host.uuid +") due to " + e1.toString());
                }
            }
        }
    }

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            }
        }
    }


    protected VDI cloudVDIcopy(Connection conn, VDI vdi, SR sr, int wait) throws XenAPIException, XmlRpcException {
        Task task = null;
        if ( wait == 0 ) {
            wait = 2 * 60 * 60;
        }
        try {
            task = vdi.copyAsync(conn, sr);
            // poll every 1 seconds , timeout after 2 hours
            waitForTask(conn, task, 1000, wait * 1000);
            checkForSuccess(conn, task);
            VDI dvdi = Types.toVDI(task, conn);
            return dvdi;
        } finally {
            if (task != null) {
                try {
                    task.destroy(conn);
                } catch (Exception e1) {
                    s_logger.warn("unable to destroy task(" + task.toString() + ") on host(" + _host.uuid + ") due to ", e1);
                }
            }
        }
    }

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    }


    protected String callHostPluginAsync(Connection conn, String plugin, String cmd, int wait, String... params) {
        int timeout = wait * 1000;
        Map<String, String> args = new HashMap<String, String>();
        Task task = null;
        try {
            for (int i = 0; i < params.length; i += 2) {
                args.put(params[i], params[i + 1]);
            }
            if (s_logger.isTraceEnabled()) {
                s_logger.trace("callHostPlugin executing for command " + cmd + " with " + getArgsString(args));
            }
            Host host = Host.getByUuid(conn, _host.uuid);
            task = host.callPluginAsync(conn, plugin, cmd, args);
            // poll every 1 seconds
            waitForTask(conn, task, 1000, timeout);
            checkForSuccess(conn, task);
            String result = task.getResult(conn);
            if (s_logger.isTraceEnabled()) {
                s_logger.trace("callHostPlugin Result: " + result);
            }
            return result.replace("<value>", "").replace("</value>", "").replace("\n", "");
        } catch (Types.HandleInvalid e) {
            s_logger.warn("callHostPlugin failed for cmd: " + cmd + " with args " + getArgsString(args)
                    + " due to HandleInvalid clazz:" + e.clazz + ", handle:" + e.handle);
        } catch (XenAPIException e) {
            s_logger.warn("callHostPlugin failed for cmd: " + cmd + " with args " + getArgsString(args) + " due to "
                    + e.toString(), e);
        } catch (XmlRpcException e) {
            s_logger.warn("callHostPlugin failed for cmd: " + cmd + " with args " + getArgsString(args) + " due to "
                    + e.getMessage(), e);
        } finally {
            if (task != null) {
                try {
                    task.destroy(conn);
                } catch (Exception e1) {
                    s_logger.warn("unable to destroy task(" + task.toString() + ") on host(" + _host.uuid + ") due to ", e1);
                }
            }
        }
        return null;
    }

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        DataTO destData = cmd.getDestTO();
        int wait = cmd.getWait();
        DataStoreTO srcStore = srcData.getDataStore();
        Connection conn = hypervisorResource.getConnection();
        SR srcSr = null;
        Task task = null;


        try {
            if ((srcStore instanceof NfsTO) && (srcData.getObjectType() == DataObjectType.TEMPLATE)) {
                NfsTO srcImageStore = (NfsTO)srcStore;
                TemplateObjectTO srcTemplate = (TemplateObjectTO)srcData;
                String storeUrl = srcImageStore.getUrl();
                URI uri = new URI(storeUrl);
                String volumePath = srcData.getPath();


                volumePath = StringUtils.stripEnd(volumePath, "/");


                String[] splits = volumePath.split("/");
                String volumeDirectory = volumePath;


                if (splits.length > 4) {
                    //"template/tmpl/dcid/templateId/templatename"
                    int index = volumePath.lastIndexOf("/");


                    volumeDirectory = volumePath.substring(0, index);
                }


                srcSr = createFileSr(conn, uri.getHost() + ":" + uri.getPath(), volumeDirectory);


                Set<VDI> setVdis = srcSr.getVDIs(conn);


                if (setVdis.size() != 1) {
                    return new CopyCmdAnswer("Can't find template VDI under: " + uri.getHost() + ":" + uri.getPath() + "/" + volumeDirectory);
                }


                VDI srcVdi = setVdis.iterator().next();


                boolean managed = false;
                String storageHost = null;
                String managedStoragePoolName = null;
                String managedStoragePoolRootVolumeName = null;
                String managedStoragePoolRootVolumeSize = null;
                String chapInitiatorUsername = null;
                String chapInitiatorSecret = null;


                PrimaryDataStoreTO destStore = (PrimaryDataStoreTO)destData.getDataStore();


                Map<String, String> details = destStore.getDetails();


                if (details != null) {
                    managed = Boolean.parseBoolean(details.get(PrimaryDataStoreTO.MANAGED));


                    if (managed) {
                        storageHost = details.get(PrimaryDataStoreTO.STORAGE_HOST);
                        managedStoragePoolName = details.get(PrimaryDataStoreTO.MANAGED_STORE_TARGET);
                        managedStoragePoolRootVolumeName = details.get(PrimaryDataStoreTO.MANAGED_STORE_TARGET_ROOT_VOLUME);
                        managedStoragePoolRootVolumeSize = details.get(PrimaryDataStoreTO.VOLUME_SIZE);
                        chapInitiatorUsername = details.get(PrimaryDataStoreTO.CHAP_INITIATOR_USERNAME);
                        chapInitiatorSecret = details.get(PrimaryDataStoreTO.CHAP_INITIATOR_SECRET);
                    }
                }


                final SR destSr;


                if (managed) {
                    details = new HashMap<String, String>();


                    details.put(DiskTO.STORAGE_HOST, storageHost);
                    details.put(DiskTO.IQN, managedStoragePoolName);
                    details.put(DiskTO.VOLUME_SIZE, managedStoragePoolRootVolumeSize);
                    details.put(DiskTO.CHAP_INITIATOR_USERNAME, chapInitiatorUsername);
                    details.put(DiskTO.CHAP_INITIATOR_SECRET, chapInitiatorSecret);


                    destSr = hypervisorResource.prepareManagedSr(conn, details);
                }
                else {
                    String srName = destStore.getUuid();
                    Set<SR> srs = SR.getByNameLabel(conn, srName);


                    if (srs.size() != 1) {
                        String msg = "There are " + srs.size() + " SRs with same name: " + srName;


                        s_logger.warn(msg);


                        return new CopyCmdAnswer(msg);
                    } else {
                        destSr = srs.iterator().next();
                    }
                }


                task = srcVdi.copyAsync2(conn, destSr, null, null);


                // poll every 1 seconds ,
                hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
                hypervisorResource.checkForSuccess(conn, task);


                VDI tmplVdi = Types.toVDI(task, conn);


                final String uuidToReturn;


                if (managed) {
                    uuidToReturn = tmplVdi.getUuid(conn);


                    tmplVdi.setNameLabel(conn, managedStoragePoolRootVolumeName);
                } else {
                    VDI snapshotVdi = tmplVdi.snapshot(conn, new HashMap<String, String>());


                    uuidToReturn = snapshotVdi.getUuid(conn);


                    snapshotVdi.setNameLabel(conn, "Template " + srcTemplate.getName());


                    tmplVdi.destroy(conn);
                }


                destSr.scan(conn);


                try{
                    Thread.sleep(5000);
                } catch (Exception e) {
                }


                TemplateObjectTO newVol = new TemplateObjectTO();


                newVol.setUuid(uuidToReturn);
                newVol.setPath(uuidToReturn);
                newVol.setFormat(Storage.ImageFormat.VHD);


                return new CopyCmdAnswer(newVol);
            }
        } catch (Exception e) {
            String msg = "Catch Exception " + e.getClass().getName() + " for template due to " + e.toString();


            s_logger.warn(msg, e);


            return new CopyCmdAnswer(msg);
        } finally {
            if (task != null) {
                try {
                    task.destroy(conn);
                } catch (Exception e) {
                    s_logger.debug("unable to destroy task (" + task.toWireString() + ") due to " + e.toString());
                }
            }


            if (srcSr != null) {
                hypervisorResource.removeSR(conn, srcSr);

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            VDI snapshotvdi = VDI.getByUuid(conn, snapshotUuid);
            if (wait == 0) {
                wait = 2 * 60 * 60;
            }
            VDI dvdi = null;
            Task task = null;
            try {
                VDI previousSnapshotVdi = null;
                if (prevSnapshotUuid != null) {
                    previousSnapshotVdi = VDI.getByUuid(conn,prevSnapshotUuid);
                }
                task = snapshotvdi.copyAsync2(conn, ssSR, previousSnapshotVdi, null);
                // poll every 1 seconds ,
                hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
                hypervisorResource.checkForSuccess(conn, task);
                dvdi = Types.toVDI(task, conn);
                // copied = true;
            } finally {
                if (task != null) {
                    try {
                        task.destroy(conn);
                    } catch (Exception e) {
                        s_logger.warn("unable to destroy task(" + task.toWireString() + ") due to " + e.toString());
                    }
                }
            }
            String backupUuid = dvdi.getUuid(conn);
            return backupUuid;

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            String finalPath = null;


            String localMountPoint =  BaseMountPointOnHost + File.separator + UUID.nameUUIDFromBytes(secondaryStorageUrl.getBytes()).toString();
            if (fullbackup) {
                SR snapshotSr = null;
                Task task = null;
                try {
                    String localDir = "/var/cloud_mount/" + UUID.nameUUIDFromBytes(secondaryStorageMountPath.getBytes());
                    mountNfs(conn, secondaryStorageMountPath, localDir);
                    boolean result = makeDirectory(conn, localDir + "/" + folder);
                    if (!result) {
                        details = " Filed to create folder " + folder + " in secondary storage";
                        s_logger.warn(details);
                        return new CopyCmdAnswer(details);
                    }


                    snapshotSr = createFileSr(conn, secondaryStorageMountPath, folder);


                    task = snapshotVdi.copyAsync2(conn, snapshotSr, null, null);
                    // poll every 1 seconds ,
                    hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
                    hypervisorResource.checkForSuccess(conn, task);
                    VDI backedVdi = Types.toVDI(task, conn);
                    snapshotBackupUuid = backedVdi.getUuid(conn);


                    if( destStore instanceof SwiftTO) {
                        try {
                            String container = "S-" + snapshotTO.getVolume().getVolumeId().toString();
                            String destSnapshotName = swiftBackupSnapshot(conn, (SwiftTO)destStore, snapshotSr.getUuid(conn), snapshotBackupUuid, container, false, wait);
                            String swiftPath = container + File.separator + destSnapshotName;
                            finalPath = swiftPath;
                        } finally {
                            try {
                                deleteSnapshotBackup(conn, localMountPoint, folder, secondaryStorageMountPath, snapshotBackupUuid);
                            } catch (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 (Exception e) {
                                s_logger.debug("Failed to delete snapshot on cache storages" ,e);
                            }
                        }
                        // finalPath = folder + File.separator + snapshotBackupUuid;
                    } else {
                        finalPath = folder + File.separator + snapshotBackupUuid;
                    }


                } finally {
                    if (task != null) {
                        try {
                            task.destroy(conn);
                        } catch (Exception e) {
                            s_logger.warn("unable to destroy task(" + task.toWireString() + ") due to " + e.toString());
                        }
                    }
                    if( snapshotSr != null) {
                        hypervisorResource.removeSR(conn, snapshotSr);
                    }

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        String details = null;
        SR tmpltSR = null;
        boolean result = false;
        String secondaryStorageMountPath = null;
        String installPath = null;
        Task task = null;
        try {
            URI uri = new URI(secondaryStoragePoolURL);
            secondaryStorageMountPath = uri.getHost() + ":" + uri.getPath();
            installPath = template.getPath();
            if( !hypervisorResource.createSecondaryStorageFolder(conn, secondaryStorageMountPath, installPath)) {
                details = " Filed to create folder " + installPath + " in secondary storage";
                s_logger.warn(details);
                return new CopyCmdAnswer(details);
            }


            VDI vol = getVDIbyUuid(conn, volumeUUID);
            // create template SR
            tmpltSR = createFileSr(conn, uri.getHost() + ":" + uri.getPath(), installPath);


            // copy volume to template SR
            task = vol.copyAsync2(conn, tmpltSR, null, null);
            // poll every 1 seconds ,
            hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
            hypervisorResource.checkForSuccess(conn, task);
            VDI tmpltVDI = Types.toVDI(task, conn);
            // scan makes XenServer pick up VDI physicalSize
            tmpltSR.scan(conn);
            if (userSpecifiedName != null) {
                tmpltVDI.setNameLabel(conn, userSpecifiedName);
            }


            String tmpltUUID = tmpltVDI.getUuid(conn);
            String tmpltFilename = tmpltUUID + ".vhd";
            long virtualSize = tmpltVDI.getVirtualSize(conn);
            long physicalSize = tmpltVDI.getPhysicalUtilisation(conn);
            // create the template.properties file
            String templatePath = secondaryStorageMountPath + "/" + installPath;
            result = hypervisorResource.postCreatePrivateTemplate(conn, templatePath, tmpltFilename, tmpltUUID, userSpecifiedName, null, physicalSize, virtualSize, template.getId());
            if (!result) {
                throw new CloudRuntimeException("Could not create the template.properties file on secondary storage dir");
            }
            installPath = installPath + "/" + tmpltFilename;
            hypervisorResource.removeSR(conn, tmpltSR);
            tmpltSR = null;
            TemplateObjectTO newTemplate = new TemplateObjectTO();
            newTemplate.setPath(installPath);
            newTemplate.setFormat(Storage.ImageFormat.VHD);
            newTemplate.setSize(virtualSize);
            newTemplate.setPhysicalSize(physicalSize);
            newTemplate.setName(tmpltUUID);
            CopyCmdAnswer answer = new CopyCmdAnswer(newTemplate);
            return answer;
        } catch (Exception e) {
            if (tmpltSR != null) {
                hypervisorResource.removeSR(conn, tmpltSR);
            }
            if ( secondaryStorageMountPath != null) {
                hypervisorResource.deleteSecondaryStorageFolder(conn, secondaryStorageMountPath, installPath);
            }
            details = "Creating template from volume " + volumeUUID + " failed due to " + e.toString();
            s_logger.error(details, e);
        } finally {
            if (task != null) {
                try {
                    task.destroy(conn);
                } catch (Exception e) {
                    s_logger.warn("unable to destroy task(" + task.toWireString() + ") due to " +  e.toString());
                }
            }
        }
        return new CopyCmdAnswer(details);
    }

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