use of netapp.manage.NaServer in project cloudstack by apache.
the class NetappManagerImpl method associateLun.
/**
* This method associates a lun to a particular igroup
* @param iqn
* @param iGroup
* @param lunName
*/
@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);
throw new ServerException("Unable to associate LUN", uhe);
} catch (NaAPIFailedException naf) {
if (naf.getErrno() == 9008) {
//initiator group already contains node
return returnVal;
}
s_logger.warn("Unable to associate LUN ", naf);
throw new ServerException("Unable to associate LUN", naf);
} catch (NaException nae) {
s_logger.warn("Unable to associate LUN ", nae);
throw new ServerException("Unable to associate LUN", nae);
} catch (IOException ioe) {
s_logger.warn("Unable to associate LUN ", ioe);
throw new ServerException("Unable to associate LUN", ioe);
} finally {
if (s != null)
s.close();
}
}
use of netapp.manage.NaServer in project cloudstack by apache.
the class NetappManagerImpl method destroyVolumeOnFiler.
/**
* This method destroys the volume on netapp filer
* @param ipAddress -- ip address of filer
* @param aggrName -- name of containing aggregate
* @param volName -- name of volume to destroy
* @throws ResourceInUseException
* @throws NaException
* @throws NaAPIFailedException
*/
@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 TransactionLegacy txn = TransactionLegacy.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();
} catch (UnknownHostException uhe) {
s_logger.warn("Unable to delete volume on filer ", uhe);
throw new ServerException("Unable to delete volume on filer", uhe);
} catch (NaAPIFailedException naf) {
s_logger.warn("Unable to delete volume on filer ", naf);
if (naf.getErrno() == 13040) {
s_logger.info("Deleting the volume: " + volName);
_volumeDao.remove(volume.getId());
txn.commit();
}
throw new ServerException("Unable to delete volume on filer", naf);
} catch (NaException nae) {
txn.rollback();
s_logger.warn("Unable to delete volume on filer ", nae);
throw new ServerException("Unable to delete volume on filer", nae);
} catch (IOException ioe) {
txn.rollback();
s_logger.warn("Unable to delete volume on filer ", ioe);
throw new ServerException("Unable to delete volume on filer", ioe);
} finally {
if (pool != null) {
_poolDao.releaseFromLockTable(pool.getId());
}
if (s != null)
s.close();
}
}
use of netapp.manage.NaServer in project cloudstack by apache.
the class NetappManagerImpl method disassociateLun.
/**
* This method disassociates a lun from the igroup on the filer
* @param iGroup -- igroup name
* @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) {
throw new ServerException("Failed to disassociate lun", ioe);
} catch (NaException nae) {
throw new ServerException("Failed to disassociate lun", nae);
} finally {
if (s != null)
s.close();
}
}
use of netapp.manage.NaServer in project cloudstack by apache.
the class NetappManagerImpl method createLunOnFiler.
/**
* This method creates a lun on the netapp filer
* @param poolName -- name of the pool
* @param lunSize -- size of the lun to be created
* @return -- lun path
* @throws IOException
* @throws ResourceAllocationException
* @throws NaException
*/
@Override
@DB
public String[] createLunOnFiler(String poolName, Long lunSize) throws ServerException, InvalidParameterValueException, ResourceAllocationException {
String[] result = new String[3];
StringBuilder lunName = new StringBuilder("lun-");
LunVO lun = null;
final TransactionLegacy txn = TransactionLegacy.currentTxn();
txn.start();
PoolVO pool = _poolDao.findPool(poolName);
if (pool == null) {
throw new InvalidParameterValueException("Cannot find pool " + poolName);
}
if (lunSize <= 0) {
throw new InvalidParameterValueException("Please specify a valid lun size in Gb");
}
String algorithm = pool.getAlgorithm();
NetappVolumeVO selectedVol = null;
//sanity check
int numVolsInPool = _volumeDao.listVolumes(poolName).size();
if (numVolsInPool == 0) {
throw new InvalidParameterValueException("No volumes exist in the given pool");
}
pool = _poolDao.acquireInLockTable(pool.getId());
if (pool == null) {
s_logger.warn("Failed to acquire lock on the pool " + poolName);
return result;
}
NaServer s = null;
try {
if (algorithm == null || algorithm.equals(Algorithm.roundrobin.toString())) {
selectedVol = _netappAllocator.chooseVolumeFromPool(poolName, lunSize);
} else if (algorithm.equals(Algorithm.leastfull.toString())) {
selectedVol = _netappAllocator.chooseLeastFullVolumeFromPool(poolName, lunSize);
}
if (selectedVol == null) {
throw new ServerException("Could not find a suitable volume to create lun on");
}
if (s_logger.isDebugEnabled())
s_logger.debug("Request --> createLun " + "serverIp:" + selectedVol.getIpAddress());
StringBuilder exportPath = new StringBuilder("/vol/");
exportPath.append(selectedVol.getVolumeName());
exportPath.append("/");
lun = new LunVO(exportPath.toString(), selectedVol.getId(), lunSize, "", "");
lun = _lunDao.persist(lun);
//Lun id created: 6 digits right justified eg. 000045
String lunIdStr = String.valueOf(lun.getId());
String zeroStr = "000000";
int length = lunIdStr.length();
int offset = 6 - length;
StringBuilder lunIdOnPath = new StringBuilder();
lunIdOnPath.append(zeroStr.substring(0, offset));
lunIdOnPath.append(lunIdStr);
exportPath.append("lun-").append(lunIdOnPath.toString());
lunName.append(lunIdOnPath.toString());
//update lun name
lun.setLunName(lunName.toString());
_lunDao.update(lun.getId(), lun);
NaElement xi;
NaElement xi1;
//This prevents integer overflow
long lSizeBytes = 1L * lunSize * 1024 * 1024 * 1024;
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
//lunname
result[0] = lunName.toString();
//iqn
result[1] = iqn;
result[2] = selectedVol.getIpAddress();
return result;
} catch (NaAPIFailedException naf) {
if (naf.getErrno() == 9023) {
//lun is already mapped to this group
//lunname;
result[0] = lunName.toString();
//iqn
result[1] = lun.getTargetIqn();
result[2] = selectedVol.getIpAddress();
return result;
}
if (naf.getErrno() == 9024) {
//another lun mapped at this group
//lunname;
result[0] = lunName.toString();
//iqn
result[1] = lun.getTargetIqn();
result[2] = selectedVol.getIpAddress();
return result;
}
} catch (NaException nae) {
txn.rollback();
throw new ServerException("Unable to create LUN", nae);
} catch (IOException ioe) {
txn.rollback();
throw new ServerException("Unable to create LUN", ioe);
} finally {
if (pool != null) {
_poolDao.releaseFromLockTable(pool.getId());
}
if (s != null) {
s.close();
}
}
return result;
}
use of netapp.manage.NaServer in project cloudstack by apache.
the class NetappManagerImpl method returnAvailableVolumeSize.
/**
* This method returns the available size on the volume in terms of bytes
* @param volName -- name of volume
* @param userName -- username
* @param password -- password
* @param serverIp -- ip address of filer
* @throws UnknownHostException
* @return-- available size on the volume in terms of bytes; return -1 if volume is offline
* @throws ServerException
*/
@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 -1 if volume is offline
return volumeState.equalsIgnoreCase("online") ? availableSize : -1;
} else {
// as good as volume offline
return -1;
}
} catch (NaException nae) {
s_logger.warn("Failed to get volume size ", nae);
throw new ServerException("Failed to get volume size", nae);
} catch (IOException ioe) {
s_logger.warn("Failed to get volume size ", ioe);
throw new ServerException("Failed to get volume size", ioe);
} finally {
if (s != null)
s.close();
}
}
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