Examples of netapp.manage.NaElement

netapp.manage.NaElement

   */
    @Override
  public String[] associateLun(String guestIqn, String lunName) throws ServerException, InvalidParameterValueException


  {
    NaElement xi2;


    //get lun id from path
    String[] splitLunName = lunName.split("-");
    String[] returnVal = new String[3];
    if(splitLunName.length != 2)
      throw new InvalidParameterValueException("The lun id is malformed");
    
    String lunIdStr = splitLunName[1]; 


    Long lId = new Long(lunIdStr);
    
    LunVO lun = _lunDao.findById(lId);
    
    if(lun == null)
      throw new InvalidParameterValueException("Cannot find LUN " + lunName);
    
    NetappVolumeVO vol = _volumeDao.findById(lun.getVolumeId());


    //assert(vol != null);
    
    returnVal[0] = lunIdStr;
    returnVal[1] = lun.getTargetIqn();
    returnVal[2] = vol.getIpAddress();
    
    NaServer s = null;
    
    try
    {
      s = getServer(vol.getIpAddress(), vol.getUsername(), vol.getPassword()); 
      
      if(s_logger.isDebugEnabled())
        s_logger.debug("Request --> associateLun "+":serverIp:"+vol.getIpAddress());
      
      //add iqn to the group
      xi2 = new NaElement("igroup-add");
      xi2.addNewChild("force", "true");
      xi2.addNewChild("initiator", guestIqn);
      xi2.addNewChild("initiator-group-name", lunName);    
      s.invokeElem(xi2);
            
      return returnVal;
    }  catch (UnknownHostException uhe) {
      s_logger.warn("Unable to associate LUN " , uhe);

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     * @throws NaAuthenticationException 
     */
    @Override
    @DB
    public void destroyVolumeOnFiler(String ipAddress, String aggrName, String volName) throws ServerException, InvalidParameterValueException, ResourceInUseException{
    NaElement xi0;
      NaElement xi1;
     NetappVolumeVO volume = null;
    
     volume = _volumeDao.findVolume(ipAddress, aggrName, volName);
     
     if(volume==null)
     {
       s_logger.warn("The volume does not exist in our system");
       throw new InvalidParameterValueException("The given tuple:"+ipAddress+","+aggrName+","+volName+" doesn't exist in our system");
     }


     List<LunVO> lunsOnVol = _lunDao.listLunsByVolId(volume.getId());
     
     if(lunsOnVol!=null && lunsOnVol.size()>0)
     {
       s_logger.warn("There are luns on the volume");
       throw new ResourceInUseException("There are luns on the volume");
     }
     
     final Transaction txn = Transaction.currentTxn();
     txn.start();
     PoolVO pool = _poolDao.findById(volume.getPoolId());
     if (pool == null) {
       throw new InvalidParameterValueException("Failed to find pool for given volume");
       //FIXME: choose a better exception. this is a db integrity exception
     }
     pool = _poolDao.acquireInLockTable(pool.getId());
     if (pool == null) {
       throw new ConcurrentModificationException("Failed to acquire lock on pool " + volume.getPoolId());
     }
    NaServer s = null;
    try 
    {
      s = getServer(volume.getIpAddress(), volume.getUsername(), volume.getPassword());
      //bring the volume down
      xi0 = new NaElement("volume-offline");
      xi0.addNewChild("name",volName);
      s.invokeElem(xi0);


      //now destroy it
      xi1 = new NaElement("volume-destroy");
      xi1.addNewChild("name",volName);
      s.invokeElem(xi1);


      //now delete from our records
      _volumeDao.remove(volume.getId());
      txn.commit();

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    boolean snapshotRes = false;
    boolean volumeCreated = false;
    
    NaServer s = getServer(ipAddress, username, password); 
    
    NaElement xi = new NaElement("volume-create");
    xi.addNewChild("volume", volName);
    xi.addNewChild("containing-aggr-name",aggName);
    xi.addNewChild("size",volSize);
    
    NaElement xi1 = new NaElement("snapshot-set-reserve");
    if(snapshotReservation!=null)
    {
      snapshotRes = true;
      xi1.addNewChild("percentage",snapshotReservation.toString());
      xi1.addNewChild("volume",volName);
    }
    
    NaElement xi2 = new NaElement("snapshot-set-schedule");
    
    if(snapshotPolicy!=null)
    {
      snapPolicy = true;
      
      String weeks = null;
      String days = null;
      String hours = null;
      String whichHours = null;
      String minutes = null;
      String whichMinutes = null;
      
      StringTokenizer s1 = new StringTokenizer(snapshotPolicy," ");
      
      //count=4: weeks days hours@csi mins@csi
      //count=3: weeks days hours@csi
      //count=2: weeks days
      //count=1: weeks
  
      if(s1.hasMoreTokens())
      {
        weeks = s1.nextToken();
      }
      if(weeks!=null && s1.hasMoreTokens())
      {
        days = s1.nextToken();
      }
      if(days!=null && s1.hasMoreTokens())
      {
        String[] hoursArr = s1.nextToken().split("@");
        hours = hoursArr[0];
        whichHours = hoursArr[1];
      }
      if(hours!=null && s1.hasMoreTokens())
      {
        String[] minsArr = s1.nextToken().split("@");
        minutes = minsArr[0];
        whichMinutes = minsArr[1];
      }
      
      if(weeks!=null)
        xi2.addNewChild("weeks",weeks);
      if(days!=null)
        xi2.addNewChild("days",days);
      if(hours!=null)
        xi2.addNewChild("hours",hours);
      if(minutes!=null)
        xi2.addNewChild("minutes",minutes);
      xi2.addNewChild("volume",volName);
      
      if(whichHours!=null)
        xi2.addNewChild("which-hours",whichHours);
      if(whichMinutes!=null)
        xi2.addNewChild("which-minutes",whichMinutes);
    }
    Long volumeId = null;
    
    final Transaction txn = Transaction.currentTxn();
    txn.start();

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     * @throws NaException
     * @throws IOException
     */
    private void deleteRogueVolume(String volName, NaServer s) throws NaException, IOException {
    //bring the volume down
    NaElement xi0 = new NaElement("volume-offline");
    xi0.addNewChild("name",volName);
    s.invokeElem(xi0);


    //now destroy it
    NaElement xi1 = new NaElement("volume-destroy");
    xi1.addNewChild("name",volName);
    s.invokeElem(xi1);
    }

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     * @return -- the snapshot schedule
     * @throws ServerException
     */
    private String returnSnapshotSchedule(NetappVolumeVO vol) throws ServerException{


    NaElement xi = new NaElement("snapshot-get-schedule");
    xi.addNewChild("volume", vol.getVolumeName());
    NaServer s = null;
    try {
      s = getServer(vol.getIpAddress(), vol.getUsername(), vol.getPassword());
      NaElement xo = s.invokeElem(xi);
      String weeks = xo.getChildContent("weeks");
      String days = xo.getChildContent("days");
      String hours = xo.getChildContent("hours");
      String minutes = xo.getChildContent("minutes");
      String whichHours = xo.getChildContent("which-hours");
      String whichMinutes = xo.getChildContent("which-minutes");
      
      StringBuilder sB = new StringBuilder();
      sB.append(weeks).append(" ").append(days).append(" ").append(hours).append("@").append(whichHours).append(" ").append(minutes).append("@").append(whichMinutes);
      return sB.toString();
    } catch (NaException nae) {

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   */
    @Override
  public long returnAvailableVolumeSize(String volName, String userName, String password, String serverIp) throws ServerException {  
    long availableSize = 0;


    NaElement xi = new NaElement("volume-list-info");
    xi.addNewChild("volume", volName);
    NaServer s = null;
    String volumeState = null;
    try {
      s = getServer(serverIp, userName, password);
      NaElement xo = s.invokeElem(xi);
      List volList = xo.getChildByName("volumes").getChildren();
      Iterator volIter = volList.iterator();
      while(volIter.hasNext()){
        NaElement volInfo=(NaElement)volIter.next();
        availableSize = volInfo.getChildLongValue("size-available", -1);
        volumeState = volInfo.getChildContent("state");
      }
      
      if (volumeState != null) {
        return volumeState.equalsIgnoreCase("online") ? availableSize : -1; //return -1 if volume is offline
      }

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        //update lun name
        lun.setLunName(lunName.toString());
        _lunDao.update(lun.getId(), lun);
        
        NaElement xi;
        NaElement xi1;


        long lSizeBytes = 1L*lunSize*1024*1024*1024; //This prevents integer overflow
        Long lunSizeBytes = new Long(lSizeBytes);
        
        s = getServer(selectedVol.getIpAddress(), selectedVol.getUsername(),selectedVol.getPassword()); 


        //create lun
        xi = new NaElement("lun-create-by-size");
        xi.addNewChild("ostype","linux");
        xi.addNewChild("path",exportPath.toString());
        xi.addNewChild("size", (lunSizeBytes.toString()));
        
        s.invokeElem(xi);  


        try
        {
          //now create an igroup
        xi1 = new NaElement("igroup-create");
        xi1.addNewChild("initiator-group-name", lunName .toString());
        xi1.addNewChild("initiator-group-type", "iscsi");
        xi1.addNewChild("os-type", "linux");
        s.invokeElem(xi1);
        }catch(NaAPIFailedException e)
        {
          if(e.getErrno() == 9004)
          {
            //igroup already exists hence no error
            s_logger.warn("Igroup already exists");
          }
        }


        //get target iqn
      NaElement xi4 = new NaElement("iscsi-node-get-name");
      NaElement xo = s.invokeElem(xi4);
      String iqn = xo.getChildContent("node-name");
      
      lun.setTargetIqn(iqn);
      _lunDao.update(lun.getId(), lun);
      
      //create lun mapping
      //now map the lun to the igroup
      NaElement xi3 = new NaElement("lun-map");
      xi3.addNewChild("force", "true");
      xi3.addNewChild("initiator-group", lunName.toString());
      xi3.addNewChild("path", lun.getPath() + lun.getLunName());
      
      xi3.addNewChild("lun-id", lunIdStr);
      s.invokeElem(xi3);
        
        txn.commit();
        //set the result
        result[0] = lunName.toString();//lunname

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      if(s_logger.isDebugEnabled())
        s_logger.debug("Request --> destroyLun "+":serverIp:"+vol.getIpAddress());
      
      try {
        //Unmap lun
        NaElement xi2 = new NaElement("lun-unmap");
        xi2.addNewChild("initiator-group", lunName);
        xi2.addNewChild("path", lun.getPath()+lun.getLunName());
        s.invokeElem(xi2);
      } catch (NaAPIFailedException naf) {
        if(naf.getErrno()==9016)
          s_logger.warn("no map exists excpn 9016 caught in deletelun, continuing with delete");
      }


      //destroy lun
      NaElement xi = new NaElement("lun-destroy");
      xi.addNewChild("force","true");
      xi.addNewChild("path", lun.getPath()+lun.getLunName());
      s.invokeElem(xi);
      
      //destroy igroup
      NaElement xi1 = new NaElement("igroup-destroy");
      //xi1.addNewChild("force","true");
      xi1.addNewChild("initiator-group-name",lunName);
      s.invokeElem(xi1);
      
      _lunDao.remove(lun.getId());
      txn.commit();
    } catch(UnknownHostException uhe) {

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   * @param lunName -- lun name
   */
    @Override
  public void disassociateLun(String iGroup, String lunName) throws ServerException, InvalidParameterValueException
  {
    NaElement xi;
    LunVO lun = _lunDao.findByName(lunName);
    
    if(lun == null)
      throw new InvalidParameterValueException("Cannot find LUN " + lunName);
    
    NetappVolumeVO vol = _volumeDao.findById(lun.getVolumeId());
    NaServer s = null;
    try {
      s = getServer(vol.getIpAddress(), vol.getUsername(), vol.getPassword());
      
      if(s_logger.isDebugEnabled())
        s_logger.debug("Request --> disassociateLun "+":serverIp:"+vol.getIpAddress());
      
      xi = new NaElement("igroup-remove");
      xi.addNewChild("force", "true");
      xi.addNewChild("initiator", iGroup);
      xi.addNewChild("initiator-group-name", lunName);    
      s.invokeElem(xi);
      
    } catch(UnknownHostException uhe) {
      throw new ServerException("Failed to disassociate lun", uhe);
    } catch ( IOException ioe) {

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     * @throws NaException
     * @throws IOException
     */
    private void deleteRogueVolume(String volName, NaServer s) throws NaException, IOException {
    //bring the volume down
    NaElement xi0 = new NaElement("volume-offline");
    xi0.addNewChild("name",volName);
    s.invokeElem(xi0);


    //now destroy it
    NaElement xi1 = new NaElement("volume-destroy");
    xi1.addNewChild("name",volName);
    s.invokeElem(xi1);
    }

View Full Code Here

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com.cloud.netapp.NetappManagerImpl

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