/**
* Remove the transport zone for a given network system. This typically means to dis-associated it
* unless this is the last network system associated with the transport zone. In this case, the
* transport zone will be deleted if:
*
* <ul>
* <li>It was discovered
* <li>It does not have any user-created ports
* <li>It does not have any registered ports
* </ul>
*
* @param tzone
* @param uri
* @throws IOException
*/
public List<String> removeNetworkSystemTransportZone(Network tzone, String uri)
throws IOException {
tzone.removeNetworkSystems(Collections.singletonList(uri)); // dis-associate
// list of end points getting deleted
ArrayList<String> toRemove = new ArrayList<String>();
if (tzone.getNetworkSystems().isEmpty()) { // if this is the last network system
List<String> userCreatedEndPoints = TransportZoneReconciler.getUserCreatedEndPoints(tzone);
if (userCreatedEndPoints.isEmpty()
&& !tzone.assignedToVarray()) { // delete only if not modified by a user
_log.info("Removing network {}", tzone.getLabel());
toRemove.addAll(tzone.retrieveEndpoints());
NetworkAssociationHelper.handleEndpointsRemoved(tzone, toRemove, dbClient, _coordinator);
dbClient.markForDeletion(tzone);
recordTransportZoneEvent(
tzone,
OperationTypeEnum.DELETE_NETWORK.getEvType(true),
OperationTypeEnum.DELETE_NETWORK.getDescription());
} else {
_log.info(
"Network {} is changed by the user and will "
+ "not be removed. Discovered end points will be removed.",
tzone.getLabel());
for (String pt : tzone.retrieveEndpoints()) {
if (!userCreatedEndPoints.contains(pt)) {
toRemove.add(pt);
}
}
tzone.removeEndpoints(toRemove);
NetworkAssociationHelper.handleEndpointsRemoved(tzone, toRemove, dbClient, _coordinator);
_log.info("Discovered endpoints removed {}", toRemove.toArray());
dbClient.persistObject(tzone);
recordTransportZoneEvent(
tzone,
OperationTypeEnum.UPDATE_NETWORK.getEvType(true),
OperationTypeEnum.UPDATE_NETWORK.getDescription());
}
} else {
_log.info("Removing network {} from network system {}", tzone.getLabel(), uri);
dbClient.persistObject(tzone);
recordTransportZoneEvent(
tzone,
OperationTypeEnum.UPDATE_NETWORK.getEvType(true),
OperationTypeEnum.UPDATE_NETWORK.getDescription());
}
return toRemove;
}
/**
* Given the updated list of end points for one network system, this function will update the
* transport zones. Require lock when reconciles vsan in fabrics that are linked through ISL.
* Without locking, multiple VSANs could have same native gui id within the same fabric.
*
* @param networkSystem the network system
* @param routedEndpoints IN/OUT parameter to get the routed endpoints map of
* Fabric-WWN-to-endpoints-WWN
* @throws ControllerException
*/
private void reconcileTransportZones(
NetworkSystem networkSystem, Map<String, Set<String>> routedEndpoints)
throws ControllerException {
_log.info("reconcileTransportZones for networkSystem {}", networkSystem.getId());
ControllerServiceImpl.Lock lock =
ControllerServiceImpl.Lock.getLock(ControllerServiceImpl.DISCOVERY_RECONCILE_TZ);
try {
_log.debug(
"Acquiring lock to reconcile transport zone for networkSystem {}", networkSystem.getId());
lock.acquire();
_log.info(
"Acquired lock to reconcile transport zone for networkSystem {}", networkSystem.getId());
// get the network system's connections from the database
Iterator<FCEndpoint> iNewEndPoints = getNetworkSystemEndPoints(networkSystem);
// get all the transport zones we have in the DB
List<Network> oldTransportZones = getCurrentTransportZones();
_log.info("Found {} existing transport zones", oldTransportZones.size());
// get the fabrics that exist on the network system
Map<String, String> fabricIdsMap = getDevice().getFabricIdsMap(networkSystem);
// get the list of fabrics added, removed, changed
TransportZoneReconciler reconciler = new TransportZoneReconciler();
TransportZoneReconciler.Results results =
reconciler.reconcile(networkSystem, iNewEndPoints, fabricIdsMap, oldTransportZones);
String networkSystemUri = networkSystem.getId().toString();
for (Network tzone : results.getRemoved()) {
List<String> removedEps = removeNetworkSystemTransportZone(tzone, networkSystemUri);
_log.info(
"Removed network {} which removed discovered endpoints {}",
tzone.getNativeGuid(),
removedEps);
}
for (Network tzone : results.getAdded()) {
handleEndpointsAdded(tzone, tzone.retrieveEndpoints());
saveTransportZone(tzone, true);
}
for (Network tzone : results.getModified()) {
if (results.getRemovedEndPoints().get(tzone) != null) {
NetworkAssociationHelper.handleEndpointsRemoved(
tzone, results.getRemovedEndPoints().get(tzone), dbClient, _coordinator);
}
if (results.getAddedEndPoints().get(tzone) != null) {
handleEndpointsAdded(tzone, results.getAddedEndPoints().get(tzone));
}
saveTransportZone(tzone, false);
}
// update routed networks for routed and modified networks
updateRoutedNetworks(networkSystem, results.getAddedAndModified(), routedEndpoints);
} catch (Exception ex) {
throw NetworkDeviceControllerException.exceptions.reconcileTransportZonesFailedExc(
new Date().toString(), ex);
} finally {
try {
_log.debug(
"Releasing reconcile transport zone lock for networkSystem {}", networkSystem.getId());
lock.release();
_log.info(
"Released reconcile transport zone lock for networkSystem {}", networkSystem.getId());
} catch (Exception e) {
_log.error(
"Failed to release Lock while reconcile transport zone for network {} -->{}",
networkSystem.getId(),
e.getMessage());
}
}
}
