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

Example 91 with SR

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

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<>());
        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());
    }
}

Example 92 with SR

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

the class XenServerStorageProcessor 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 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 = destData.getDataStore().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);
    }
    try {
        final SR 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);
        }
        // Get the absolute path of the snapshot on the secondary storage.
        String snapshotInstallPath = snapshot.getPath();
        final int index = snapshotInstallPath.lastIndexOf(nfsImageStore.getPathSeparator());
        final String snapshotName = snapshotInstallPath.substring(index + 1);
        if (!snapshotName.startsWith("VHD-") && !snapshotName.endsWith(".vhd")) {
            snapshotInstallPath = snapshotInstallPath + ".vhd";
        }
        final URI snapshotURI = new URI(secondaryStorageUrl + nfsImageStore.getPathSeparator() + snapshotInstallPath);
        final String snapshotPath = snapshotURI.getHost() + ":" + snapshotURI.getPath();
        final String srUuid = primaryStorageSR.getUuid(conn);
        volumeUUID = copy_vhd_from_secondarystorage(conn, snapshotPath, srUuid, wait);
        result = true;
        final VDI volume = VDI.getByUuid(conn, volumeUUID);
        final VDI.Record vdir = volume.getRecord(conn);
        final VolumeObjectTO newVol = new VolumeObjectTO();
        newVol.setPath(volumeUUID);
        newVol.setSize(vdir.virtualSize);
        return new CopyCmdAnswer(newVol);
    } catch (final 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);
    }
    if (!result) {
        // Is this logged at a higher level?
        s_logger.error(details);
    }
    // In all cases return something.
    return new CopyCmdAnswer(details);
}

Example 93 with SR

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

the class XenServerStorageProcessor method getNfsSR.

protected SR getNfsSR(final Connection conn, final StorageFilerTO pool) {
    final Map<String, String> deviceConfig = new HashMap<>();
    try {
        final String server = pool.getHost();
        String serverpath = pool.getPath();
        serverpath = serverpath.replace("//", "/");
        final Set<SR> srs = SR.getAll(conn);
        for (final SR sr : srs) {
            if (!SRType.NFS.equals(sr.getType(conn))) {
                continue;
            }
            final Set<PBD> pbds = sr.getPBDs(conn);
            if (pbds.isEmpty()) {
                continue;
            }
            final PBD pbd = pbds.iterator().next();
            final Map<String, String> dc = pbd.getDeviceConfig(conn);
            if (dc == null) {
                continue;
            }
            if (dc.get("server") == null) {
                continue;
            }
            if (dc.get("serverpath") == null) {
                continue;
            }
            if (server.equals(dc.get("server")) && serverpath.equals(dc.get("serverpath"))) {
                throw new CloudRuntimeException("There is a SR using the same configuration server:" + dc.get("server") + ", serverpath:" + dc.get("serverpath") + " for pool " + pool.getUuid() + "on host:" + hypervisorResource.getHost().getUuid());
            }
        }
        deviceConfig.put("server", server);
        deviceConfig.put("serverpath", serverpath);
        final Host host = Host.getByUuid(conn, hypervisorResource.getHost().getUuid());
        final Map<String, String> smConfig = new HashMap<>();
        smConfig.put("nosubdir", "true");
        final SR sr = SR.create(conn, host, deviceConfig, new Long(0), pool.getUuid(), Long.toString(pool.getId()), SRType.NFS.toString(), "user", true, smConfig);
        sr.scan(conn);
        return sr;
    } catch (final XenAPIException e) {
        throw new CloudRuntimeException("Unable to create NFS SR " + pool.toString(), e);
    } catch (final XmlRpcException e) {
        throw new CloudRuntimeException("Unable to create NFS SR " + pool.toString(), e);
    }
}

Example 94 with SR

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

the class XenServerStorageProcessor method copyTemplateToPrimaryStorage.

@Override
public Answer copyTemplateToPrimaryStorage(final CopyCommand cmd) {
    final DataTO srcDataTo = cmd.getSrcTO();
    final DataTO destDataTo = cmd.getDestTO();
    final int wait = cmd.getWait();
    final DataStoreTO srcDataStoreTo = srcDataTo.getDataStore();
    try {
        if (srcDataStoreTo instanceof NfsTO && srcDataTo.getObjectType() == DataObjectType.TEMPLATE) {
            final NfsTO srcImageStore = (NfsTO) srcDataStoreTo;
            final TemplateObjectTO srcTemplateObjectTo = (TemplateObjectTO) srcDataTo;
            final String storeUrl = srcImageStore.getUrl();
            final URI uri = new URI(storeUrl);
            final String tmplPath = uri.getHost() + ":" + uri.getPath() + "/" + srcDataTo.getPath();
            final DataStoreTO destDataStoreTo = destDataTo.getDataStore();
            boolean managed = false;
            String storageHost = null;
            String managedStoragePoolName = null;
            String managedStoragePoolRootVolumeName = null;
            String managedStoragePoolRootVolumeSize = null;
            String chapInitiatorUsername = null;
            String chapInitiatorSecret = null;
            if (destDataStoreTo instanceof PrimaryDataStoreTO) {
                final PrimaryDataStoreTO destPrimaryDataStoreTo = (PrimaryDataStoreTO) destDataStoreTo;
                final Map<String, String> details = destPrimaryDataStoreTo.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 Connection conn = hypervisorResource.getConnection();
            final SR sr;
            if (managed) {
                final Map<String, String> details = new HashMap<>();
                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);
                sr = hypervisorResource.prepareManagedSr(conn, details);
            } else {
                final String srName = destDataStoreTo.getUuid();
                final Set<SR> srs = SR.getByNameLabel(conn, srName);
                if (srs.size() != 1) {
                    final String msg = "There are " + srs.size() + " SRs with same name: " + srName;
                    s_logger.warn(msg);
                    return new CopyCmdAnswer(msg);
                } else {
                    sr = srs.iterator().next();
                }
            }
            final String srUuid = sr.getUuid(conn);
            final String tmplUuid = copy_vhd_from_secondarystorage(conn, tmplPath, srUuid, wait);
            final VDI tmplVdi = getVDIbyUuid(conn, tmplUuid);
            final String uuidToReturn;
            final Long physicalSize = tmplVdi.getPhysicalUtilisation(conn);
            if (managed) {
                uuidToReturn = tmplUuid;
                tmplVdi.setNameLabel(conn, managedStoragePoolRootVolumeName);
            } else {
                final VDI snapshotVdi = tmplVdi.snapshot(conn, new HashMap<>());
                uuidToReturn = snapshotVdi.getUuid(conn);
                snapshotVdi.setNameLabel(conn, "Template " + srcTemplateObjectTo.getName());
                tmplVdi.destroy(conn);
            }
            sr.scan(conn);
            try {
                Thread.sleep(5000);
            } catch (final InterruptedException e) {
            }
            final TemplateObjectTO newVol = new TemplateObjectTO();
            newVol.setUuid(uuidToReturn);
            newVol.setPath(uuidToReturn);
            if (physicalSize != null) {
                newVol.setSize(physicalSize);
            }
            newVol.setFormat(ImageFormat.VHD);
            return new CopyCmdAnswer(newVol);
        }
    } catch (final Exception e) {
        final String msg = "Catch Exception " + e.getClass().getName() + " for template + " + " due to " + e.toString();
        s_logger.warn(msg, e);
        return new CopyCmdAnswer(msg);
    }
    return new CopyCmdAnswer("not implemented yet");
}

Example 95 with SR

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

the class XenServerStorageProcessor method getSRByNameLabel.

protected SR getSRByNameLabel(final Connection conn, final String nameLabel) throws BadServerResponse, XenAPIException, XmlRpcException {
    final Set<SR> srs = SR.getByNameLabel(conn, nameLabel);
    if (srs.size() != 1) {
        throw new CloudRuntimeException("storage uuid: " + nameLabel + " is not unique");
    }
    final SR poolsr = srs.iterator().next();
    return poolsr;
}