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

Example 36 with Connection

use of com.xensource.xenapi.Connection 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);
}

Example 37 with Connection

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

the class XenServerStorageProcessor method introduceObject.

@Override
public Answer introduceObject(final IntroduceObjectCmd cmd) {
    try {
        final Connection conn = hypervisorResource.getConnection();
        final DataStoreTO store = cmd.getDataTO().getDataStore();
        final SR poolSr = hypervisorResource.getStorageRepository(conn, store.getUuid());
        poolSr.scan(conn);
        return new IntroduceObjectAnswer(cmd.getDataTO());
    } catch (final Exception e) {
        s_logger.debug("Failed to introduce object", e);
        return new Answer(cmd, false, e.toString());
    }
}

Example 38 with Connection

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

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 39 with Connection

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

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 40 with Connection

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

the class XenServerStorageProcessor method snapshotAndCopy.

// if the source SR needs to be attached to, do so
// take a snapshot of the source VDI (on the source SR)
// create an iSCSI SR based on the new back-end volume
// copy the snapshot to the new SR
// delete the snapshot
// detach the new SR
// if we needed to perform an attach to the source SR, detach from it
@Override
public SnapshotAndCopyAnswer snapshotAndCopy(final SnapshotAndCopyCommand cmd) {
    final Connection conn = hypervisorResource.getConnection();
    try {
        SR sourceSr = null;
        final Map<String, String> sourceDetails = cmd.getSourceDetails();
        if (sourceDetails != null && sourceDetails.keySet().size() > 0) {
            final String iScsiName = sourceDetails.get(DiskTO.IQN);
            final String storageHost = sourceDetails.get(DiskTO.STORAGE_HOST);
            final String chapInitiatorUsername = sourceDetails.get(DiskTO.CHAP_INITIATOR_USERNAME);
            final String chapInitiatorSecret = sourceDetails.get(DiskTO.CHAP_INITIATOR_SECRET);
            sourceSr = hypervisorResource.getIscsiSR(conn, iScsiName, storageHost, iScsiName, chapInitiatorUsername, chapInitiatorSecret, false);
        }
        final VDI vdiToSnapshot = VDI.getByUuid(conn, cmd.getUuidOfSourceVdi());
        final VDI vdiSnapshot = vdiToSnapshot.snapshot(conn, new HashMap<String, String>());
        final Map<String, String> destDetails = cmd.getDestDetails();
        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 SR newSr = hypervisorResource.getIscsiSR(conn, iScsiName, storageHost, iScsiName, chapInitiatorUsername, chapInitiatorSecret, false);
        final VDI vdiCopy = vdiSnapshot.copy(conn, newSr);
        final String vdiUuid = vdiCopy.getUuid(conn);
        vdiSnapshot.destroy(conn);
        if (sourceSr != null) {
            hypervisorResource.removeSR(conn, sourceSr);
        }
        hypervisorResource.removeSR(conn, newSr);
        final SnapshotAndCopyAnswer snapshotAndCopyAnswer = new SnapshotAndCopyAnswer();
        snapshotAndCopyAnswer.setPath(vdiUuid);
        return snapshotAndCopyAnswer;
    } catch (final Exception ex) {
        s_logger.warn("Failed to take and copy snapshot: " + ex.toString(), ex);
        return new SnapshotAndCopyAnswer(ex.getMessage());
    }
}