Examples with Task com.xensource.xenapi.Task used on opensource projects

Example 1 with Task

use of com.xensource.xenapi.Task in project cloudstack by apache.

the class CitrixResourceBase method callHostPluginAsync.

protected String callHostPluginAsync(final Connection conn, final String plugin, final String cmd, final int wait, final Map<String, String> params) {
    final int timeout = wait * 1000;
    final Map<String, String> args = new HashMap<String, String>();
    Task task = null;
    try {
        for (final Map.Entry<String, String> entry : params.entrySet()) {
            args.put(entry.getKey(), entry.getValue());
        }
        if (s_logger.isTraceEnabled()) {
            s_logger.trace("callHostPlugin executing for command " + cmd + " with " + getArgsString(args));
        }
        final Host host = Host.getByUuid(conn, _host.getUuid());
        task = host.callPluginAsync(conn, plugin, cmd, args);
        // poll every 1 seconds
        waitForTask(conn, task, 1000, timeout);
        checkForSuccess(conn, task);
        final String result = task.getResult(conn);
        if (s_logger.isTraceEnabled()) {
            s_logger.trace("callHostPlugin Result: " + result);
        }
        return result.replace("<value>", "").replace("</value>", "").replace("\n", "");
    } catch (final 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 (final Exception e) {
        s_logger.warn("callHostPlugin failed for cmd: " + cmd + " with args " + getArgsString(args) + " due to " + e.toString(), e);
    } finally {
        if (task != null) {
            try {
                task.destroy(conn);
            } catch (final Exception e1) {
                s_logger.debug("unable to destroy task(" + task.toString() + ") on host(" + _host.getUuid() + ") due to " + e1.toString());
            }
        }
    }
    return null;
}

Example 2 with Task

use of com.xensource.xenapi.Task in project cloudstack by apache.

the class CitrixResourceBase method migrateVM.

public void migrateVM(final Connection conn, final Host destHost, final VM vm, final String vmName) throws Exception {
    Task task = null;
    try {
        final Map<String, String> other = new HashMap<String, String>();
        other.put("live", "true");
        task = vm.poolMigrateAsync(conn, destHost, other);
        try {
            // poll every 1 seconds
            final long timeout = _migratewait * 1000L;
            waitForTask(conn, task, 1000, timeout);
            checkForSuccess(conn, task);
        } catch (final 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 (final XenAPIException e) {
        final String msg = "Unable to migrate VM(" + vmName + ") from host(" + _host.getUuid() + ")";
        s_logger.warn(msg, e);
        throw new CloudRuntimeException(msg);
    } finally {
        if (task != null) {
            try {
                task.destroy(conn);
            } catch (final Exception e1) {
                s_logger.debug("unable to destroy task(" + task.toString() + ") on host(" + _host.getUuid() + ") due to " + e1.toString());
            }
        }
    }
}

Example 3 with Task

use of com.xensource.xenapi.Task in project cloudstack by apache.

the class Xenserver625StorageProcessor method copyVolumeFromPrimaryToSecondary.

@Override
public Answer copyVolumeFromPrimaryToSecondary(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final VolumeObjectTO srcVolume = (VolumeObjectTO) cmd.getSrcTO();
    final VolumeObjectTO destVolume = (VolumeObjectTO) cmd.getDestTO();
    final int wait = cmd.getWait();
    final DataStoreTO destStore = destVolume.getDataStore();
    if (destStore instanceof NfsTO) {
        SR secondaryStorage = null;
        Task task = null;
        try {
            final NfsTO nfsStore = (NfsTO) destStore;
            final URI uri = new URI(nfsStore.getUrl());
            // Create the volume folder
            if (!hypervisorResource.createSecondaryStorageFolder(conn, uri.getHost() + ":" + uri.getPath(), destVolume.getPath())) {
                throw new InternalErrorException("Failed to create the volume folder.");
            }
            // Create a SR for the volume UUID folder
            secondaryStorage = createFileSr(conn, uri.getHost() + ":" + uri.getPath(), destVolume.getPath());
            // Look up the volume on the source primary storage pool
            final VDI srcVdi = getVDIbyUuid(conn, srcVolume.getPath());
            // Copy the volume to secondary storage
            task = srcVdi.copyAsync(conn, secondaryStorage, null, null);
            // poll every 1 seconds ,
            hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
            hypervisorResource.checkForSuccess(conn, task);
            final VDI destVdi = Types.toVDI(task, conn);
            final String destVolumeUUID = destVdi.getUuid(conn);
            final VolumeObjectTO newVol = new VolumeObjectTO();
            newVol.setPath(destVolume.getPath() + File.separator + destVolumeUUID + ".vhd");
            newVol.setSize(srcVolume.getSize());
            return new CopyCmdAnswer(newVol);
        } catch (final Exception e) {
            s_logger.debug("Failed to copy volume to secondary: " + e.toString());
            return new CopyCmdAnswer("Failed to copy volume to secondary: " + e.toString());
        } finally {
            if (task != null) {
                try {
                    task.destroy(conn);
                } catch (final Exception e) {
                    s_logger.warn("unable to destroy task(" + task.toWireString() + ") due to " + e.toString());
                }
            }
            hypervisorResource.removeSR(conn, secondaryStorage);
        }
    }
    return new CopyCmdAnswer("unsupported protocol");
}

Example 4 with Task

use of com.xensource.xenapi.Task in project cloudstack by apache.

the class Xenserver625StorageProcessor method createTemplateFromVolume.

@Override
public Answer createTemplateFromVolume(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final VolumeObjectTO volume = (VolumeObjectTO) cmd.getSrcTO();
    final TemplateObjectTO template = (TemplateObjectTO) cmd.getDestTO();
    final NfsTO destStore = (NfsTO) cmd.getDestTO().getDataStore();
    final int wait = cmd.getWait();
    final String secondaryStoragePoolURL = destStore.getUrl();
    final String volumeUUID = volume.getPath();
    final String userSpecifiedName = template.getName();
    String details = null;
    SR tmpltSR = null;
    boolean result = false;
    String secondaryStorageMountPath = null;
    String installPath = null;
    Task task = null;
    try {
        final 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);
        }
        final VDI vol = getVDIbyUuid(conn, volumeUUID);
        // create template SR
        tmpltSR = createFileSr(conn, uri.getHost() + ":" + uri.getPath(), installPath);
        // copy volume to template SR
        task = vol.copyAsync(conn, tmpltSR, null, null);
        // poll every 1 seconds ,
        hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
        hypervisorResource.checkForSuccess(conn, task);
        final VDI tmpltVDI = Types.toVDI(task, conn);
        // scan makes XenServer pick up VDI physicalSize
        tmpltSR.scan(conn);
        if (userSpecifiedName != null) {
            tmpltVDI.setNameLabel(conn, userSpecifiedName);
        }
        final String tmpltUUID = tmpltVDI.getUuid(conn);
        final String tmpltFilename = tmpltUUID + ".vhd";
        final long virtualSize = tmpltVDI.getVirtualSize(conn);
        final long physicalSize = tmpltVDI.getPhysicalUtilisation(conn);
        // create the template.properties file
        final 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;
        final TemplateObjectTO newTemplate = new TemplateObjectTO();
        newTemplate.setPath(installPath);
        newTemplate.setFormat(Storage.ImageFormat.VHD);
        newTemplate.setSize(virtualSize);
        newTemplate.setPhysicalSize(physicalSize);
        newTemplate.setName(tmpltUUID);
        final CopyCmdAnswer answer = new CopyCmdAnswer(newTemplate);
        return answer;
    } catch (final 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 (final Exception e) {
                s_logger.warn("unable to destroy task(" + task.toWireString() + ") due to " + e.toString());
            }
        }
    }
    return new CopyCmdAnswer(details);
}

Example 5 with Task

use of com.xensource.xenapi.Task in project cloudstack by apache.

the class Xenserver625StorageProcessor 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 PrimaryDataStoreTO pool = (PrimaryDataStoreTO) destData.getDataStore();
    final VolumeObjectTO volume = (VolumeObjectTO) destData;
    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 = pool.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);
    }
    SR srcSr = null;
    VDI destVdi = null;
    SR primaryStorageSR = null;
    try {
        if (pool.isManaged()) {
            Map<String, String> destDetails = cmd.getOptions2();
            final String iScsiName = destDetails.get(DiskTO.IQN);
            final String storageHost = destDetails.get(DiskTO.STORAGE_HOST);
            final String chapInitiatorUsername = destDetails.get(DiskTO.CHAP_INITIATOR_USERNAME);
            final String chapInitiatorSecret = destDetails.get(DiskTO.CHAP_INITIATOR_SECRET);
            final String srType = CitrixResourceBase.SRType.LVMOISCSI.toString();
            primaryStorageSR = hypervisorResource.getIscsiSR(conn, iScsiName, storageHost, iScsiName, chapInitiatorUsername, chapInitiatorSecret, false, srType, true);
        } else {
            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);
        }
        final String nameLabel = "cloud-" + UUID.randomUUID().toString();
        destVdi = createVdi(conn, nameLabel, primaryStorageSR, volume.getSize());
        volumeUUID = destVdi.getUuid(conn);
        final String snapshotInstallPath = snapshot.getPath();
        final int index = snapshotInstallPath.lastIndexOf(File.separator);
        final String snapshotDirectory = snapshotInstallPath.substring(0, index);
        final String snapshotUuid = getSnapshotUuid(snapshotInstallPath);
        final URI uri = new URI(secondaryStorageUrl);
        srcSr = createFileSr(conn, uri.getHost() + ":" + uri.getPath(), snapshotDirectory);
        final String[] parents = snapshot.getParents();
        final List<VDI> snapshotChains = new ArrayList<VDI>();
        if (parents != null) {
            for (int i = 0; i < parents.length; i++) {
                final String snChainPath = parents[i];
                final String uuid = getSnapshotUuid(snChainPath);
                final VDI chain = VDI.getByUuid(conn, uuid);
                snapshotChains.add(chain);
            }
        }
        final VDI snapshotVdi = VDI.getByUuid(conn, snapshotUuid);
        snapshotChains.add(snapshotVdi);
        for (final VDI snapChain : snapshotChains) {
            final Task task = snapChain.copyAsync(conn, null, null, destVdi);
            // poll every 1 seconds ,
            hypervisorResource.waitForTask(conn, task, 1000, wait * 1000);
            hypervisorResource.checkForSuccess(conn, task);
            task.destroy(conn);
        }
        result = true;
        destVdi = VDI.getByUuid(conn, volumeUUID);
        final VDI.Record vdir = destVdi.getRecord(conn);
        final VolumeObjectTO newVol = new VolumeObjectTO();
        newVol.setPath(volumeUUID);
        newVol.setSize(vdir.virtualSize);
        return new CopyCmdAnswer(newVol);
    } catch (final Types.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);
    } finally {
        if (srcSr != null) {
            hypervisorResource.skipOrRemoveSR(conn, srcSr);
        }
        if (pool.isManaged()) {
            hypervisorResource.removeSR(conn, primaryStorageSR);
        }
        if (!result && destVdi != null) {
            try {
                destVdi.destroy(conn);
            } catch (final Exception e) {
                s_logger.debug("destroy dest vdi failed", e);
            }
        }
    }
    if (!result) {
        // Is this logged at a higher level?
        s_logger.error(details);
    }
    // In all cases return something.
    return new CopyCmdAnswer(details);
}