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

Example 56 with SR

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

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);
                finalPath = folder + cacheStore.getPathSeparator() + snapshotBackupUuid;
            } finally {
                if (snapshotSr != null) {
                    hypervisorResource.removeSR(conn, snapshotSr);
                }
            }
        } else {
            final String primaryStorageSRUuid = primaryStorageSR.getUuid(conn);
            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 57 with SR

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

the class XenServerStorageProcessor method createVolumeFromSnapshot2.

protected Answer createVolumeFromSnapshot2(final CopyCommand cmd) {
    try {
        final Connection conn = hypervisorResource.getConnection();
        final Map<String, String> srcOptions = cmd.getOptions();
        final String src_iScsiName = srcOptions.get(DiskTO.IQN);
        final String srcStorageHost = srcOptions.get(DiskTO.STORAGE_HOST);
        final String srcChapInitiatorUsername = srcOptions.get(DiskTO.CHAP_INITIATOR_USERNAME);
        final String srcChapInitiatorSecret = srcOptions.get(DiskTO.CHAP_INITIATOR_SECRET);
        final SR srcSr = hypervisorResource.getIscsiSR(conn, src_iScsiName, srcStorageHost, src_iScsiName, srcChapInitiatorUsername, srcChapInitiatorSecret, false);
        final Map<String, String> destOptions = cmd.getOptions2();
        final String dest_iScsiName = destOptions.get(DiskTO.IQN);
        final String destStorageHost = destOptions.get(DiskTO.STORAGE_HOST);
        final String destChapInitiatorUsername = destOptions.get(DiskTO.CHAP_INITIATOR_USERNAME);
        final String destChapInitiatorSecret = destOptions.get(DiskTO.CHAP_INITIATOR_SECRET);
        final SR destSr = hypervisorResource.getIscsiSR(conn, dest_iScsiName, destStorageHost, dest_iScsiName, destChapInitiatorUsername, destChapInitiatorSecret, false);
        // there should only be one VDI in this SR
        final VDI srcVdi = srcSr.getVDIs(conn).iterator().next();
        final VDI vdiCopy = srcVdi.copy(conn, destSr);
        final VolumeObjectTO newVol = new VolumeObjectTO();
        newVol.setSize(vdiCopy.getVirtualSize(conn));
        newVol.setPath(vdiCopy.getUuid(conn));
        newVol.setFormat(ImageFormat.VHD);
        hypervisorResource.removeSR(conn, srcSr);
        hypervisorResource.removeSR(conn, destSr);
        return new CopyCmdAnswer(newVol);
    } catch (final Exception ex) {
        s_logger.warn("Failed to copy snapshot to volume: " + ex.toString(), ex);
        return new CopyCmdAnswer(ex.getMessage());
    }
}

Example 58 with SR

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

the class XenServerStorageProcessor method dettachIso.

@Override
public Answer dettachIso(final DettachCommand cmd) {
    final DiskTO disk = cmd.getDisk();
    final DataTO data = disk.getData();
    final DataStoreTO store = data.getDataStore();
    String isoURL = null;
    if (store == null) {
        final TemplateObjectTO iso = (TemplateObjectTO) disk.getData();
        isoURL = iso.getName();
    } else {
        if (!(store instanceof NfsTO)) {
            s_logger.debug("Can't attach a iso which is not created on nfs: ");
            return new AttachAnswer("Can't attach a iso which is not created on nfs: ");
        }
        final NfsTO nfsStore = (NfsTO) store;
        isoURL = nfsStore.getUrl() + nfsStore.getPathSeparator() + data.getPath();
    }
    try {
        final Connection conn = hypervisorResource.getConnection();
        // Find the VM
        final VM vm = hypervisorResource.getVM(conn, cmd.getVmName());
        final String vmUUID = vm.getUuid(conn);
        // Find the ISO VDI
        final VDI isoVDI = hypervisorResource.getIsoVDIByURL(conn, cmd.getVmName(), 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")) {
            hypervisorResource.removeSR(conn, sr);
        }
        return new DettachAnswer(disk);
    } catch (final XenAPIException e) {
        final String msg = "Failed to dettach volume" + " for uuid: " + data.getPath() + "  due to " + e.toString();
        s_logger.warn(msg, e);
        return new DettachAnswer(msg);
    } catch (final Exception e) {
        final String msg = "Failed to dettach volume" + " for uuid: " + data.getPath() + "  due to " + e.getMessage();
        s_logger.warn(msg, e);
        return new DettachAnswer(msg);
    }
}

Example 59 with SR

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

the class XenServerStorageProcessor method execute.

protected Answer execute(final AttachPrimaryDataStoreCmd cmd) {
    final String dataStoreUri = cmd.getDataStore();
    final Connection conn = hypervisorResource.getConnection();
    try {
        final DecodedDataObject obj = Decoder.decode(dataStoreUri);
        final DecodedDataStore store = obj.getStore();
        final SR sr = hypervisorResource.getStorageRepository(conn, store.getUuid());
        hypervisorResource.setupHeartbeatSr(conn, sr, false);
        final long capacity = sr.getPhysicalSize(conn);
        final long available = capacity - sr.getPhysicalUtilisation(conn);
        if (capacity == -1) {
            final String msg = "Pool capacity is -1! pool: ";
            s_logger.warn(msg);
            return new Answer(cmd, false, msg);
        }
        final AttachPrimaryDataStoreAnswer answer = new AttachPrimaryDataStoreAnswer(cmd);
        answer.setCapacity(capacity);
        answer.setUuid(sr.getUuid(conn));
        answer.setAvailable(available);
        return answer;
    } catch (final XenAPIException e) {
        final String msg = "AttachPrimaryDataStoreCmd add XenAPIException:" + e.toString();
        s_logger.warn(msg, e);
        return new Answer(cmd, false, msg);
    } catch (final Exception e) {
        final String msg = "AttachPrimaryDataStoreCmd failed:" + e.getMessage();
        s_logger.warn(msg, e);
        return new Answer(cmd, false, msg);
    }
}

Example 60 with SR

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

the class Xenserver625StorageProcessor method createFileSr.

protected SR createFileSr(final Connection conn, final String remotePath, final String dir) {
    final String localDir = "/var/cloud_mount/" + UUID.nameUUIDFromBytes(remotePath.getBytes());
    mountNfs(conn, remotePath, localDir);
    final SR sr = createFileSR(conn, localDir + "/" + dir);
    return sr;
}