/**
* Get all the networks belongs to the given network system.
*
* @param networkSystem
* @param allNetworks
* @return
*/
private List<Network> getLocalNetworks(NetworkSystem networkSystem, List<Network> allNetworks) {
List<Network> realNetworks = new ArrayList<Network>();
for (Network network : allNetworks) {
if (network.getNetworkSystems() != null
&& network.getNetworkSystems().contains(networkSystem.getId().toString())) {
realNetworks.add(network);
}
}
return realNetworks;
}
/**
* Get the connected network systems which are connected by the given transit network.
*
* @param transitNetwork
* @param allNetworks
* @return
*/
private Set<String> getConnectedNetworkSystems(String transitNetwork, List<Network> allNetworks) {
Set<String> connectedNetworkSystems = new HashSet<String>();
for (Network network : allNetworks) {
if (network.getNetworkSystems() != null && transitNetwork.equals(network.getNativeId())) {
for (String networkSystem : network.getNetworkSystems()) {
connectedNetworkSystems.add(networkSystem);
}
}
}
return connectedNetworkSystems;
}
/**
* Check if the given network is a remote routed network of the current network system. If it
* belongs to a connected network system which is not the current network system, it is a remote
* routed network.
*
* @param network The given network.
* @param currentNetworkSystemId The current network system ID.
* @param connectedNetworkSystems The connected network systems list.
* @return true/false
*/
private boolean isRemoteRoutedNetwork(
Network network, String currentNetworkSystemId, Set<String> connectedNetworkSystems) {
if (network.getNetworkSystems() != null) {
for (String networkSystem : network.getNetworkSystems()) {
if (networkSystem != currentNetworkSystemId
&& connectedNetworkSystems.contains(networkSystem)) {
return true;
}
}
}
return false;
}
/**
* 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;
}
/**
* Get the transit network set if there is, otherwise return empty set.
*
* @param networkSystem The current discovering network system.
* @param allNetworks All the existing networks list.
* @return The transit networks list.
* @throws Exception The "getFabricIdsMap" may throw exception.
*/
private Set<String> getTransitNetworks(NetworkSystem networkSystem, List<Network> allNetworks)
throws Exception {
Map<String, String> networkWwnIdMap = getDevice().getFabricIdsMap(networkSystem);
_log.info("getTransitNetworks.networkWwnIdMap = {}", networkWwnIdMap);
Set<String> transitNetworks = new HashSet<String>();
for (Entry<String, String> entry : networkWwnIdMap.entrySet()) {
String currentNetworkId = entry.getValue();
String currentNetworkWwn = entry.getKey();
Network currentNetwork = getNetworkByNativeId(allNetworks, currentNetworkId);
// How to determine it's a transit network: 1. More than one network system have the same
// network.
if (currentNetwork != null && currentNetwork.getNetworkSystems().size() > 1) {
_log.info("Network id={} is a transit VSAN", currentNetworkId);
transitNetworks.add(currentNetworkId);
} else {
_log.info("Network id={} is NOT a transit VSAN", currentNetworkId);
}
}
return transitNetworks;
}