Examples of com.xensource.xenapi.SR

com.xensource.xenapi.SR
A storage repository @author Citrix Systems, Inc.

                        Host host = pbd.getHost(conn);
                        if (!isRefNull(host) && host.getUuid(conn).equals(_host.uuid)) {
                            if (!pbd.getCurrentlyAttached(conn)) {
                                pbd.plug(conn);
                            }
                            SR sr = entry.getKey();
                            sr.scan(conn);
                            return sr;
                        }
                    }
                }
            }

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        }
        return null;
    }


    protected StartupStorageCommand initializeLocalSR(Connection conn) {
        SR lvmsr = getLocalLVMSR(conn);
        if (lvmsr != null) {
            try {
                _host.localSRuuid = lvmsr.getUuid(conn);


                String lvmuuid = lvmsr.getUuid(conn);
                long cap = lvmsr.getPhysicalSize(conn);
                if (cap > 0) {
                    long avail = cap - lvmsr.getPhysicalUtilisation(conn);
                    lvmsr.setNameLabel(conn, lvmuuid);
                    String name = "Cloud Stack Local LVM Storage Pool for " + _host.uuid;
                    lvmsr.setNameDescription(conn, name);
                    Host host = Host.getByUuid(conn, _host.uuid);
                    String address = host.getAddress(conn);
                    StoragePoolInfo pInfo = new StoragePoolInfo(lvmuuid, address, SRType.LVM.toString(), SRType.LVM.toString(), StoragePoolType.LVM, cap, avail);
                    StartupStorageCommand cmd = new StartupStorageCommand();
                    cmd.setPoolInfo(pInfo);
                    cmd.setGuid(_host.uuid);
                    cmd.setDataCenter(Long.toString(_dcId));
                    cmd.setResourceType(Storage.StorageResourceType.STORAGE_POOL);
                    return cmd;
                }
            } catch (XenAPIException e) {
                String msg = "build local LVM info err in host:" + _host.uuid + e.toString();
                s_logger.warn(msg);
            } catch (XmlRpcException e) {
                String msg = "build local LVM info err in host:" + _host.uuid + e.getMessage();
                s_logger.warn(msg);
            }
        }


        SR extsr = getLocalEXTSR(conn);
        if (extsr != null) {
            try {
                String extuuid = extsr.getUuid(conn);
                _host.localSRuuid = extuuid;
                long cap = extsr.getPhysicalSize(conn);
                if (cap > 0) {
                    long avail = cap - extsr.getPhysicalUtilisation(conn);
                    extsr.setNameLabel(conn, extuuid);
                    String name = "Cloud Stack Local EXT Storage Pool for " + _host.uuid;
                    extsr.setNameDescription(conn, name);
                    Host host = Host.getByUuid(conn, _host.uuid);
                    String address = host.getAddress(conn);
                    StoragePoolInfo pInfo = new StoragePoolInfo(extuuid, address, SRType.EXT.toString(), SRType.EXT.toString(), StoragePoolType.EXT, cap, avail);
                    StartupStorageCommand cmd = new StartupStorageCommand();
                    cmd.setPoolInfo(pInfo);

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            throw new CloudRuntimeException("Unable to get SRs " + e.toString(), e);
        } catch (Exception e) {
            throw new CloudRuntimeException("Unable to get SRs " + e.getMessage(), e);
        }
        for (PBD pbd : pbds) {
            SR sr = null;
            SR.Record srRec = null;
            try {
                sr = pbd.getSR(conn);
                srRec = sr.getRecord(conn);
            } catch (Exception e) {
                s_logger.warn("pbd.getSR get Exception due to ", e);
                continue;
            }
            String type = srRec.type;
            if (srRec.shared) {
                continue;
            }
            if (SRType.NFS.equals(type) || (SRType.ISO.equals(type) && srRec.nameDescription.contains("template"))) {
                try {
                    pbd.unplug(conn);
                    pbd.destroy(conn);
                    sr.forget(conn);
                } catch (Exception e) {
                    s_logger.warn("forget SR catch Exception due to ", e);
                }
            }
        }

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        return null;
    }


    protected SR getSRByNameLabelandHost(Connection conn, String name) throws BadServerResponse, XenAPIException, XmlRpcException {
        Set<SR> srs = SR.getByNameLabel(conn, name);
        SR ressr = null;
        for (SR sr : srs) {
            Set<PBD> pbds;
            pbds = sr.getPBDs(conn);
            for (PBD pbd : pbds) {
                PBD.Record pbdr = pbd.getRecord(conn);

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            if (srs.size() != 1) {
                String msg = "There are " + srs.size() + " storageid: " + cmd.getStorageId();
                s_logger.warn(msg);
                return new GetStorageStatsAnswer(cmd, msg);
            }
            SR sr = srs.iterator().next();
            sr.scan(conn);
            long capacity = sr.getPhysicalSize(conn);
            long used = sr.getPhysicalUtilisation(conn);
            return new GetStorageStatsAnswer(cmd, capacity, used);
        } catch (XenAPIException e) {
            String msg = "GetStorageStats Exception:" + e.toString() + "host:" + _host.uuid + "storageid: " + cmd.getStorageId();
            s_logger.warn(msg);
            return new GetStorageStatsAnswer(cmd, msg);

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        Connection conn = getConnection();
        StorageFilerTO pool = cmd.getPool();
        boolean add = cmd.getAdd();
        if (add) {
            try {
                SR sr = getStorageRepository(conn, pool.getUuid());
                setupHeartbeatSr(conn, sr, false);
                long capacity = sr.getPhysicalSize(conn);
                long available = capacity - sr.getPhysicalUtilisation(conn);
                if (capacity == -1) {
                    String msg = "Pool capacity is -1! pool: " + pool.getHost() + pool.getPath();
                    s_logger.warn(msg);
                    return new Answer(cmd, false, msg);
                }
                Map<String, TemplateProp> tInfo = new HashMap<String, TemplateProp>();
                ModifyStoragePoolAnswer answer = new ModifyStoragePoolAnswer(cmd, capacity, available, tInfo);
                return answer;
            } catch (XenAPIException e) {
                String msg = "ModifyStoragePoolCommand add XenAPIException:" + e.toString() + " host:" + _host.uuid + " pool: " + pool.getHost() + pool.getPath();
                s_logger.warn(msg, e);
                return new Answer(cmd, false, msg);
            } catch (Exception e) {
                String msg = "ModifyStoragePoolCommand add XenAPIException:" + e.getMessage() + " host:" + _host.uuid + " pool: " + pool.getHost() + pool.getPath();
                s_logger.warn(msg, e);
                return new Answer(cmd, false, msg);
            }
        } else {
            try {
                SR sr = getStorageRepository(conn, pool.getUuid());
                String srUuid = sr.getUuid(conn);
                String result = callHostPluginPremium(conn, "setup_heartbeat_file", "host", _host.uuid, "sr", srUuid, "add", "false");
                if (result == null || !result.split("#")[1].equals("0")) {
                    throw new CloudRuntimeException("Unable to remove heartbeat file entry for SR " + srUuid + " due to " + result);
                }
                return new Answer(cmd, true, "seccuss");

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    protected Answer execute(DeleteStoragePoolCommand cmd) {
        Connection conn = getConnection();
        StorageFilerTO poolTO = cmd.getPool();
        try {
            SR sr = getStorageRepository(conn, poolTO.getUuid());
            removeSR(conn, sr);
            Answer answer = new Answer(cmd, true, "success");
            return answer;
        } catch (Exception e) {
            String msg = "DeleteStoragePoolCommand XenAPIException:" + e.getMessage() + " host:" + _host.uuid + " pool: " + poolTO.getHost() + poolTO.getPath();

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        Connection conn = getConnection();
        StorageFilerTO pool = cmd.getPool();
        DiskProfile dskch = cmd.getDiskCharacteristics();
        VDI vdi = null;
        try {
            SR poolSr = getStorageRepository(conn, pool.getUuid());
            if (cmd.getTemplateUrl() != null) {
                VDI tmpltvdi = null;


                tmpltvdi = getVDIbyUuid(conn, cmd.getTemplateUrl());
                vdi = tmpltvdi.createClone(conn, new HashMap<String, String>());

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            }


            Host host = Host.getByUuid(conn, _host.uuid);
            Map<String, String> smConfig = new HashMap<String, String>();
            smConfig.put("nosubdir", "true");
            SR sr = SR.create(conn, host, deviceConfig, new Long(0), name, uri.getHost() + uri.getPath(), SRType.NFS.toString(), "user", shared, smConfig);


            if (!checkSR(conn, sr)) {
                throw new Exception("no attached PBD");
            }
            if (s_logger.isDebugEnabled()) {
                s_logger.debug(logX(sr, "Created a SR; UUID is " + sr.getUuid(conn) + " device config is " + deviceConfig));
            }
            sr.scan(conn);
            return sr;
        } catch (XenAPIException e) {
            String msg = "Can not create second storage SR mountpoint: " + uri.getHost() + uri.getPath() + " due to " + e.toString();
            s_logger.warn(msg, e);
            throw new CloudRuntimeException(msg, e);

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            Map<String, String> deviceConfig = new HashMap<String, String>();
            String path = uri.getPath();
            path = path.replace("//", "/");
            deviceConfig.put("location", uri.getHost() + ":" + path);
            Host host = Host.getByUuid(conn, _host.uuid);
            SR sr = SR.create(conn, host, deviceConfig, new Long(0), uri.getHost() + path, "iso", "iso", "iso", shared, new HashMap<String, String>());
            sr.setNameLabel(conn, vmName + "-ISO");
            sr.setNameDescription(conn, deviceConfig.get("location"));


            sr.scan(conn);
            return sr;
        } catch (XenAPIException e) {
            String msg = "createIsoSRbyURI failed! mountpoint: " + uri.getHost() + uri.getPath() + " due to " + e.toString();
            s_logger.warn(msg, e);
            throw new CloudRuntimeException(msg, e);

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