@Override
public List<? extends VmwareDatacenter> listVmwareDatacenters(ListVmwareDcsCmd cmd)
throws CloudRuntimeException, InvalidParameterValueException {
Long zoneId = cmd.getZoneId();
List<VmwareDatacenterVO> vmwareDcList = new ArrayList<VmwareDatacenterVO>();
VmwareDatacenterZoneMapVO vmwareDcZoneMap;
VmwareDatacenterVO vmwareDatacenter;
long vmwareDcId;
// Validate if zone id parameter passed to API is valid
validateZone(zoneId);
// Check if zone is associated with VMware DC
vmwareDcZoneMap = _vmwareDcZoneMapDao.findByZoneId(zoneId);
if (vmwareDcZoneMap == null) {
return null;
}
// Retrieve details of VMware DC associated with zone.
vmwareDcId = vmwareDcZoneMap.getVmwareDcId();
vmwareDatacenter = _vmwareDcDao.findById(vmwareDcId);
vmwareDcList.add(vmwareDatacenter);
// Currently a zone can have only 1 VMware DC associated with.
// Returning list of VmwareDatacenterVO objects, in-line with future requirements, if any, like
// participation of multiple VMware DCs in a zone.
return vmwareDcList;
}
@Override
public boolean removeVmwareDatacenter(RemoveVmwareDcCmd cmd) throws ResourceInUseException {
Long zoneId = cmd.getZoneId();
// Validate zone
validateZone(zoneId);
// Zone validation to check if the zone already has resources.
// Association of VMware DC to zone is not allowed if zone already has resources added.
validateZoneWithResources(zoneId, "remove VMware datacenter to zone");
// Get DC associated with this zone
VmwareDatacenterZoneMapVO vmwareDcZoneMap;
VmwareDatacenterVO vmwareDatacenter;
String vmwareDcName;
long vmwareDcId;
String vCenterHost;
String userName;
String password;
DatacenterMO dcMo = null;
Transaction txn;
vmwareDcZoneMap = _vmwareDcZoneMapDao.findByZoneId(zoneId);
// Check if zone is associated with VMware DC
if (vmwareDcZoneMap == null) {
throw new CloudRuntimeException(
"Zone " + zoneId + " is not associated with any VMware datacenter.");
}
vmwareDcId = vmwareDcZoneMap.getVmwareDcId();
vmwareDatacenter = _vmwareDcDao.findById(vmwareDcId);
vmwareDcName = vmwareDatacenter.getVmwareDatacenterName();
vCenterHost = vmwareDatacenter.getVcenterHost();
userName = vmwareDatacenter.getUser();
password = vmwareDatacenter.getPassword();
txn = Transaction.currentTxn();
try {
txn.start();
// Remove the VMware datacenter entry in table vmware_data_center
_vmwareDcDao.remove(vmwareDcId);
// Remove the map entry in table vmware_data_center_zone_map
_vmwareDcZoneMapDao.remove(vmwareDcZoneMap.getId());
txn.commit();
} catch (Exception e) {
s_logger.info(
"Caught exception when trying to delete VMware datacenter record." + e.getMessage());
throw new CloudRuntimeException("Failed to delete VMware datacenter.");
}
// Construct context
VmwareContext context = null;
try {
context = VmwareContextFactory.create(vCenterHost, userName, password);
// Check if DC exists on vCenter
try {
dcMo = new DatacenterMO(context, vmwareDcName);
} catch (Throwable t) {
String msg = "Unable to find DC " + vmwareDcName + " in vCenter " + vCenterHost;
s_logger.error(msg);
throw new DiscoveryException(msg);
}
assert (dcMo != null);
// Reset custom field property cloud.zone over this DC
dcMo.setCustomFieldValue(CustomFieldConstants.CLOUD_ZONE, "false");
s_logger.info("Sucessfully reset custom field property cloud.zone over DC " + vmwareDcName);
} catch (Exception e) {
String msg =
"Unable to reset custom field property cloud.zone over DC "
+ vmwareDcName
+ " due to : "
+ VmwareHelper.getExceptionMessage(e);
s_logger.error(msg);
throw new CloudRuntimeException(msg);
} finally {
if (context != null) {
context.close();
}
context = null;
}
return true;
}
@Override
@DB
public VmwareDatacenterVO addVmwareDatacenter(AddVmwareDcCmd cmd) throws ResourceInUseException {
VmwareDatacenterVO vmwareDc = null;
Long zoneId = cmd.getZoneId();
String userName = cmd.getUsername();
String password = cmd.getPassword();
String vCenterHost = cmd.getVcenter();
String vmwareDcName = cmd.getName();
// Validate username, password, VMware DC name and vCenter
if (userName == null) {
throw new InvalidParameterValueException("Missing or invalid parameter username.");
}
if (password == null) {
throw new InvalidParameterValueException("Missing or invalid parameter username.");
}
if (vmwareDcName == null) {
throw new InvalidParameterValueException(
"Missing or invalid parameter name. Please provide valid VMware datacenter name.");
}
if (vCenterHost == null) {
throw new InvalidParameterValueException(
"Missing or invalid parameter name. "
+ "Please provide valid VMware vCenter server's IP address or fully qualified domain name.");
}
if (zoneId == null) {
throw new InvalidParameterValueException(
"Missing or invalid parameter name. " + "Please provide valid zone id.");
}
// Zone validation
validateZone(zoneId);
VmwareDatacenterZoneMapVO vmwareDcZoneMap = _vmwareDcZoneMapDao.findByZoneId(zoneId);
// Check if zone is associated with VMware DC
if (vmwareDcZoneMap != null) {
// Check if the associated VMware DC matches the one specified in API params
// This check would yield success as the association exists between same entities (zone and
// VMware DC)
// This scenario would result in if the API addVmwareDc is called more than once with same
// parameters.
Long associatedVmwareDcId = vmwareDcZoneMap.getVmwareDcId();
VmwareDatacenterVO associatedVmwareDc = _vmwareDcDao.findById(associatedVmwareDcId);
if (associatedVmwareDc.getVcenterHost().equalsIgnoreCase(vCenterHost)
&& associatedVmwareDc.getVmwareDatacenterName().equalsIgnoreCase(vmwareDcName)) {
s_logger.info(
"Ignoring API call addVmwareDc, because VMware DC "
+ vCenterHost
+ "/"
+ vmwareDcName
+ " is already associated with specified zone with id "
+ zoneId);
return associatedVmwareDc;
} else {
throw new CloudRuntimeException(
"Zone "
+ zoneId
+ " is already associated with a VMware datacenter. "
+ "Only 1 VMware DC can be associated with a zone.");
}
}
// Zone validation to check if the zone already has resources.
// Association of VMware DC to zone is not allowed if zone already has resources added.
validateZoneWithResources(zoneId, "add VMware datacenter to zone");
// Check if DC is already part of zone
// In that case vmware_data_center table should have the DC
vmwareDc = _vmwareDcDao.getVmwareDatacenterByGuid(vmwareDcName + "@" + vCenterHost);
if (vmwareDc != null) {
throw new ResourceInUseException(
"This DC is already part of other CloudStack zone(s). Cannot add this DC to more zones.");
}
VmwareContext context = null;
DatacenterMO dcMo = null;
String dcCustomFieldValue;
boolean addDcCustomFieldDef = false;
boolean dcInUse = false;
String guid;
ManagedObjectReference dcMor;
try {
context = VmwareContextFactory.create(vCenterHost, userName, password);
// Check if DC exists on vCenter
dcMo = new DatacenterMO(context, vmwareDcName);
dcMor = dcMo.getMor();
if (dcMor == null) {
String msg =
"Unable to find VMware DC " + vmwareDcName + " in vCenter " + vCenterHost + ". ";
s_logger.error(msg);
throw new InvalidParameterValueException(msg);
}
// Check if DC is already associated with another cloudstack deployment
// Get custom field property cloud.zone over this DC
guid = vmwareDcName + "@" + vCenterHost;
dcCustomFieldValue = dcMo.getCustomFieldValue(CustomFieldConstants.CLOUD_ZONE);
if (dcCustomFieldValue == null) {
addDcCustomFieldDef = true;
}
dcInUse = Boolean.parseBoolean(dcCustomFieldValue);
if (dcInUse) {
throw new ResourceInUseException(
"This DC is being managed by other CloudStack deployment. Cannot add this DC to zone.");
}
// Add DC to database into vmware_data_center table
vmwareDc = new VmwareDatacenterVO(guid, vmwareDcName, vCenterHost, userName, password);
Transaction txn = Transaction.currentTxn();
try {
txn.start();
vmwareDc = _vmwareDcDao.persist(vmwareDc);
txn.commit();
} catch (Exception e) {
txn.rollback();
s_logger.error(
"Failed to persist VMware datacenter details to database. Exception: "
+ e.getMessage());
throw new CloudRuntimeException(e.getMessage());
}
// Map zone with vmware datacenter
vmwareDcZoneMap = new VmwareDatacenterZoneMapVO(zoneId, vmwareDc.getId());
txn = Transaction.currentTxn();
try {
txn.start();
vmwareDcZoneMap = _vmwareDcZoneMapDao.persist(vmwareDcZoneMap);
txn.commit();
} catch (Exception e) {
txn.rollback();
s_logger.error(
"Failed to associate VMware datacenter with zone "
+ zoneId
+ ". Exception: "
+ e.getMessage());
// Removing VMware datacenter from vmware_data_center table because association with zone
// failed.
_vmwareDcDao.remove(vmwareDcZoneMap.getId());
throw new CloudRuntimeException(e.getMessage());
}
// Set custom field for this DC
if (addDcCustomFieldDef) {
dcMo.ensureCustomFieldDef(CustomFieldConstants.CLOUD_ZONE);
}
dcMo.setCustomFieldValue(CustomFieldConstants.CLOUD_ZONE, "true");
} catch (Throwable e) {
String msg = "Failed to add VMware DC to zone ";
if (e instanceof RemoteException) {
msg = "Encountered remote exception at vCenter. " + VmwareHelper.getExceptionMessage(e);
} else {
msg += "due to : " + e.getMessage();
}
throw new CloudRuntimeException(msg);
} finally {
if (context != null) {
context.close();
}
context = null;
}
return vmwareDc;
}
