/**
* Generate logging output for given network details.
*
* @param prefix
* @param network
*/
private void dumpRoutedNetworks(String prefix, Network network) {
StringBuffer sb = new StringBuffer();
sb.append(prefix + ":");
sb.append("label = " + network.getLabel() + ", ");
if (network.getRoutedNetworks() != null) {
for (String str : network.getRoutedNetworks()) {
sb.append(", routed = " + str);
}
} else {
sb.append(", routed = null");
}
_log.info(sb.toString());
}
/**
* Update all the networks "routedNetworks" field by adding the routed networks list according to
* the given transit network, including both "localNetworks" and "remoteRoutedNetworks".
*
* @param networkSystem
* @param connectedNetworkSystems
* @param allNetworks
*/
private void updateRoutedNetworksForTransitNetwork(
NetworkSystem networkSystem, Set<String> connectedNetworkSystems, List<Network> allNetworks) {
// 1. Get localNetworks, remoteRoutedNetworks and routedNetworks. With transit network, both the
// local
// networks and the remote routed networks are routed.
List<Network> localNetworks = getLocalNetworks(networkSystem, allNetworks);
for (Network network : localNetworks) {
dumpRoutedNetworks("localNetwork = ", network);
}
List<Network> remoteRoutedNetworks =
this.getRemoteRoutedNetworks(
networkSystem.getId().toString(), connectedNetworkSystems, allNetworks);
for (Network network : remoteRoutedNetworks) {
dumpRoutedNetworks("remoteRoutedNetworks = ", network);
}
List<Network> routedNetworks = new ArrayList<Network>(localNetworks);
routedNetworks.addAll(remoteRoutedNetworks);
for (Network network : routedNetworks) {
dumpRoutedNetworks("routedNetworks = ", network);
}
// 2. Update each local network by setting the routed networks.
for (Network currentNetwork : localNetworks) {
boolean modified = false;
StringSet networkSet = currentNetwork.getRoutedNetworks();
_log.info("NetworkDiscoveryWorker handling routed network, existing: {}", networkSet);
if (networkSet == null) {
networkSet = new StringSet();
}
for (Network routedNetwork : routedNetworks) {
if (!networkSet.contains(routedNetwork.getId().toString())
&& !routedNetwork.getId().equals(currentNetwork.getId())) {
networkSet.add(routedNetwork.getId().toString());
modified = true;
}
}
_log.info("NetworkDiscoveryWorker handling routed network, updated: {}", networkSet);
if (modified) {
currentNetwork.setRoutedNetworks(networkSet);
dumpRoutedNetworks("update network=", currentNetwork);
dbClient.updateObject(currentNetwork);
}
}
}
/**
* Looks in the topology view for endpoints that accessible by routing
*
* @param networkSystem the network system being refreshed
* @param updatedNetworks the networks that require updating
* @param routedEndpoints the routed endpoints map of Fabric-WWN-to-endpoints-WWN
* @throws Exception
*/
private void updateRoutedNetworks(
NetworkSystem networkSystem,
List<Network> updatedNetworks,
Map<String, Set<String>> routedEndpoints)
throws Exception {
// for each network, get the list of routed ports and locate them in other networks
StringSet routedNetworks = null;
Network routedNetwork = null;
// get the current networks from the database
Map<URI, Network> allNetworks = DataObjectUtils.toMap(getCurrentTransportZones());
for (Network network : updatedNetworks) {
// if this network has any routed endpoints
Set<String> netRoutedEndpoints = routedEndpoints.get(NetworkUtil.getNetworkWwn(network));
if (netRoutedEndpoints == null || netRoutedEndpoints.isEmpty()) {
_log.debug("No routed endpoint in network {}", network.getNativeGuid());
network.setRoutedNetworks(null);
} else {
_log.info(
"Found {} routed endpoint in network {}", netRoutedEndpoints, network.getNativeGuid());
routedNetworks = new StringSet();
for (String endpoint : netRoutedEndpoints) {
// find the source network of the routed endpoint
routedNetwork = findNetworkForDiscoveredEndPoint(allNetworks.values(), endpoint, network);
if (routedNetwork != null) { // it is possible we did not discover the source
routedNetworks.add(routedNetwork.getId().toString());
}
}
network.setRoutedNetworks(routedNetworks);
}
dbClient.updateAndReindexObject(network);
_log.info("Updated routed networks for {} to {}", network.getNativeGuid(), routedNetworks);
}
// clean up transit networks from any one-way associations.
// Transit networks will show any endpoints routed thru them
// which may cause one-way associations in the routedNetworks.
// For example if network A has ep1 and B has ep2 and there is
// a routed zone between A and B, the transit network C will
// reports ep1 and ep2 but there is not actual routing between
// C and A or C and B, so we want to remove these associations.
for (URI id : allNetworks.keySet()) {
Network net = allNetworks.get(id);
boolean updated = false;
if (net.getRoutedNetworks() != null) {
routedNetworks = new StringSet(net.getRoutedNetworks());
// for each network this network is pointing to
for (String strUri : net.getRoutedNetworks()) {
// get the opposite network
Network opNet = allNetworks.get(URI.create(strUri));
if (opNet != null // it is possible this network is getting removed - the next discovery
// cleans up
&& opNet.getRoutedNetworks()
!= null // check for null in case the other network routed eps are not yet visible
&& !opNet
.getRoutedNetworks()
.contains(net.getId().toString())) { // if the opposite network is not seeing this
// one
// remove this association because the opposite network is does not have the matching
// association
routedNetworks.remove(opNet.getId().toString());
updated = true;
}
}
if (updated) {
_log.info("Reconciled routed networks for {} to {}", net.getNativeGuid(), routedNetworks);
net.setRoutedNetworks(routedNetworks);
dbClient.updateAndReindexObject(net);
}
}
}
for (Network network : allNetworks.values()) {
NetworkAssociationHelper.setNetworkConnectedVirtualArrays(network, false, dbClient);
}
/*
* COP-23266, COP-20698: Fix the problem that ViPR could not create IVR zone between VSANs routed by
* transit VSAN(network), the "routedNetwork" field of "Network" data object should be updated based
* on the transit network(s) if there is.
*/
this.updateTransitRoutedNetworks(networkSystem);
}