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

Example 86 with SR

use of com.xensource.xenapi.SR in project cosmic by MissionCriticalCloud.

the class CitrixResourceBase method getLocalEXTSR.

protected SR getLocalEXTSR(final Connection conn) {
    try {
        final Map<SR, SR.Record> map = SR.getAllRecords(conn);
        if (map != null && !map.isEmpty()) {
            for (final Map.Entry<SR, SR.Record> entry : map.entrySet()) {
                final SR.Record srRec = entry.getValue();
                if (SRType.FILE.equals(srRec.type) || SRType.EXT.equals(srRec.type)) {
                    final Set<PBD> pbds = srRec.PBDs;
                    if (pbds == null) {
                        continue;
                    }
                    for (final PBD pbd : pbds) {
                        final Host host = pbd.getHost(conn);
                        if (!isRefNull(host) && host.getUuid(conn).equals(_host.getUuid())) {
                            if (!pbd.getCurrentlyAttached(conn)) {
                                pbd.plug(conn);
                            }
                            final SR sr = entry.getKey();
                            sr.scan(conn);
                            return sr;
                        }
                    }
                }
            }
        }
    } catch (final XenAPIException e) {
        final String msg = "Unable to get local EXTSR in host:" + _host.getUuid() + e.toString();
        s_logger.warn(msg);
    } catch (final XmlRpcException e) {
        final String msg = "Unable to get local EXTSR in host:" + _host.getUuid() + e.getCause();
        s_logger.warn(msg);
    }
    return null;
}

Example 87 with SR

use of com.xensource.xenapi.SR in project cosmic by MissionCriticalCloud.

the class XenServerStorageProcessor 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;
    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
        final URI tmpltURI = new URI(secondaryStoragePoolURL + "/" + installPath);
        tmpltSR = hypervisorResource.createNfsSRbyURI(conn, tmpltURI, false);
        // copy volume to template SR
        final VDI tmpltVDI = hypervisorResource.cloudVDIcopy(conn, vol, tmpltSR, wait);
        // 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: " + tmpltURI);
        }
        installPath = installPath + "/" + tmpltFilename;
        hypervisorResource.removeSR(conn, tmpltSR);
        tmpltSR = null;
        final TemplateObjectTO newTemplate = new TemplateObjectTO();
        newTemplate.setPath(installPath);
        newTemplate.setFormat(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);
    }
    return new CopyCmdAnswer(details);
}

Example 88 with SR

use of com.xensource.xenapi.SR in project cosmic by MissionCriticalCloud.

the class XenServerStorageProcessor 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;
        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 = hypervisorResource.createNfsSRbyURI(conn, new URI(nfsStore.getUrl() + nfsStore.getPathSeparator() + destVolume.getPath()), false);
            // Look up the volume on the source primary storage pool
            final VDI srcVdi = getVDIbyUuid(conn, srcVolume.getPath());
            // Copy the volume to secondary storage
            final VDI destVdi = hypervisorResource.cloudVDIcopy(conn, srcVdi, secondaryStorage, wait);
            final String destVolumeUUID = destVdi.getUuid(conn);
            final VolumeObjectTO newVol = new VolumeObjectTO();
            newVol.setPath(destVolume.getPath() + nfsStore.getPathSeparator() + 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 {
            hypervisorResource.removeSR(conn, secondaryStorage);
        }
    }
    return new CopyCmdAnswer("unsupported protocol");
}

Example 89 with SR

use of com.xensource.xenapi.SR in project cosmic by MissionCriticalCloud.

the class XenServerStorageProcessor method copyVolumeFromImageCacheToPrimary.

@Override
public Answer copyVolumeFromImageCacheToPrimary(final CopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final DataTO srcData = cmd.getSrcTO();
    final DataTO destData = cmd.getDestTO();
    final int wait = cmd.getWait();
    final VolumeObjectTO srcVolume = (VolumeObjectTO) srcData;
    final VolumeObjectTO destVolume = (VolumeObjectTO) destData;
    final DataStoreTO srcStore = srcVolume.getDataStore();
    if (srcStore instanceof NfsTO) {
        final NfsTO nfsStore = (NfsTO) srcStore;
        try {
            final SR primaryStoragePool = hypervisorResource.getStorageRepository(conn, destVolume.getDataStore().getUuid());
            final String srUuid = primaryStoragePool.getUuid(conn);
            final URI uri = new URI(nfsStore.getUrl());
            final String volumePath = uri.getHost() + ":" + uri.getPath() + nfsStore.getPathSeparator() + srcVolume.getPath();
            final String uuid = copy_vhd_from_secondarystorage(conn, volumePath, srUuid, wait);
            final VolumeObjectTO newVol = new VolumeObjectTO();
            newVol.setPath(uuid);
            newVol.setSize(srcVolume.getSize());
            return new CopyCmdAnswer(newVol);
        } catch (final Exception e) {
            final String msg = "Catch Exception " + e.getClass().getName() + " due to " + e.toString();
            s_logger.warn(msg, e);
            return new CopyCmdAnswer(e.toString());
        }
    }
    s_logger.debug("unsupported protocol");
    return new CopyCmdAnswer("unsupported protocol");
}

Example 90 with SR

use of com.xensource.xenapi.SR in project cosmic by MissionCriticalCloud.

the class XenServerStorageProcessor method createSnapshot.

@Override
public Answer createSnapshot(final CreateObjectCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    final SnapshotObjectTO snapshotTO = (SnapshotObjectTO) cmd.getData();
    final long snapshotId = snapshotTO.getId();
    final String snapshotName = snapshotTO.getName();
    String details = "create snapshot operation Failed for snapshotId: " + snapshotId;
    String snapshotUUID = null;
    try {
        final String volumeUUID = snapshotTO.getVolume().getPath();
        final VDI volume = VDI.getByUuid(conn, volumeUUID);
        final VDI snapshot = volume.snapshot(conn, new HashMap<>());
        if (snapshotName != null) {
            snapshot.setNameLabel(conn, snapshotName);
        }
        snapshotUUID = snapshot.getUuid(conn);
        final String preSnapshotUUID = snapshotTO.getParentSnapshotPath();
        // check if it is a empty snapshot
        if (preSnapshotUUID != null) {
            final SR sr = volume.getSR(conn);
            final String srUUID = sr.getUuid(conn);
            final String type = sr.getType(conn);
            final Boolean isISCSI = IsISCSI(type);
            final String snapshotParentUUID = getVhdParent(conn, srUUID, snapshotUUID, isISCSI);
            try {
                final String preSnapshotParentUUID = getVhdParent(conn, srUUID, preSnapshotUUID, isISCSI);
                if (snapshotParentUUID != null && snapshotParentUUID.equals(preSnapshotParentUUID)) {
                    // this is empty snapshot, remove it
                    snapshot.destroy(conn);
                    snapshotUUID = preSnapshotUUID;
                }
            } catch (final Exception e) {
                s_logger.debug("Failed to get parent snapshot", e);
            }
        }
        final SnapshotObjectTO newSnapshot = new SnapshotObjectTO();
        newSnapshot.setPath(snapshotUUID);
        return new CreateObjectAnswer(newSnapshot);
    } catch (final XenAPIException e) {
        details += ", reason: " + e.toString();
        s_logger.warn(details, e);
    } catch (final Exception e) {
        details += ", reason: " + e.toString();
        s_logger.warn(details, e);
    }
    return new CreateObjectAnswer(details);
}