public List<LoadBalancerTO> getLBHealthChecks(Network network, List<LoadBalancingRule> loadBalancingRules) throws ResourceUnavailableException {
// Find the external load balancer in this zone
long zoneId = network.getDataCenterId();
DataCenterVO zone = _dcDao.findById(zoneId);
HealthCheckLBConfigAnswer answer = null;
if (loadBalancingRules == null || loadBalancingRules.isEmpty()) {
return null;
}
ExternalLoadBalancerDeviceVO lbDeviceVO = getExternalLoadBalancerForNetwork(network);
if (lbDeviceVO == null) {
s_logger.warn("There is no external load balancer device assigned to this network either network is not implement are already shutdown so just returning");
return null;
}
HostVO externalLoadBalancer = _hostDao.findById(lbDeviceVO.getHostId());
boolean externalLoadBalancerIsInline = _networkMgr.isNetworkInlineMode(network);
if (network.getState() == Network.State.Allocated) {
s_logger.debug("External load balancer was asked to apply LB rules for network with ID " + network.getId() +
"; this network is not implemented. Skipping backend commands.");
return null;
}
List<LoadBalancerTO> loadBalancersToApply = new ArrayList<LoadBalancerTO>();
List<MappingState> mappingStates = new ArrayList<MappingState>();
for (int i = 0; i < loadBalancingRules.size(); i++) {
LoadBalancingRule rule = loadBalancingRules.get(i);
boolean revoked = (rule.getState().equals(FirewallRule.State.Revoke));
String protocol = rule.getProtocol();
String algorithm = rule.getAlgorithm();
String uuid = rule.getUuid();
String srcIp = rule.getSourceIp().addr();
int srcPort = rule.getSourcePortStart();
List<LbDestination> destinations = rule.getDestinations();
if (externalLoadBalancerIsInline) {
long sourceIpId = _networkModel.getPublicIpAddress(rule.getSourceIp().addr(), network.getDataCenterId()).getId();
MappingNic nic = getLoadBalancingIpNic(zone, network, sourceIpId, revoked, null);
mappingStates.add(nic.getState());
Nic loadBalancingIpNic = nic.getNic();
if (loadBalancingIpNic == null) {
continue;
}
// Change the source IP address for the load balancing rule to
// be the load balancing IP address
srcIp = loadBalancingIpNic.getIp4Address();
}
if ((destinations != null && !destinations.isEmpty()) || !rule.isAutoScaleConfig()) {
boolean inline = _networkMgr.isNetworkInlineMode(network);
LoadBalancerTO loadBalancer =
new LoadBalancerTO(uuid, srcIp, srcPort, protocol, algorithm, revoked, false, inline, destinations, rule.getStickinessPolicies(),
rule.getHealthCheckPolicies(), rule.getLbSslCert(), rule.getLbProtocol());
loadBalancersToApply.add(loadBalancer);
}
}
try {
if (loadBalancersToApply.size() > 0) {
int numLoadBalancersForCommand = loadBalancersToApply.size();
LoadBalancerTO[] loadBalancersForCommand = loadBalancersToApply.toArray(new LoadBalancerTO[numLoadBalancersForCommand]);
// LoadBalancerConfigCommand cmd = new
// LoadBalancerConfigCommand(loadBalancersForCommand, null);
HealthCheckLBConfigCommand cmd = new HealthCheckLBConfigCommand(loadBalancersForCommand);
long guestVlanTag = Integer.parseInt(BroadcastDomainType.getValue(network.getBroadcastUri()));
cmd.setAccessDetail(NetworkElementCommand.GUEST_VLAN_TAG, String.valueOf(guestVlanTag));
answer = (HealthCheckLBConfigAnswer)_agentMgr.easySend(externalLoadBalancer.getId(), cmd);
}
} catch (Exception ex) {
s_logger.error("Exception Occured ", ex);
}
return answer.getLoadBalancers();
}