private void AssignListenerToNetworkLoadBalancer(INetworkLoadBalancer networkLoadBalancer, NetworkLoadBalancerListenerOptions listenerOptions)
{
if (listenerOptions.DefaultAction != null && listenerOptions.DefaultTargetGroups?.Any() == true)
{
throw new ArgumentException($"The Listener {listenerOptions.Id} can only have DefaultAction or DefaultTargerGroups but not both");
}
if (listenerOptions.DefaultAction is null && listenerOptions.DefaultTargetGroups?.Any() == false)
{
throw new ArgumentException($"The Listener {listenerOptions.Id} must have one DefaultAction or DefaultTargerGroups");
}
if (listenerOptions.DefaultAction != null)
{
networkLoadBalancer.AddListener(listenerOptions.Id, new BaseNetworkListenerProps
{
DefaultAction = new NetworkListenerAction(new ActionProperty {
Type = listenerOptions.DefaultAction.Type
}),
Port = listenerOptions.Port,
Protocol = listenerOptions.Protocol
});
}
else
{
var networkTargetGroups = listenerOptions.DefaultTargetGroups.Select(x => LocateNetworkTargetGroup(x, $"The NetworkTargetGroup name {x} in Listener {listenerOptions.Id} does not exist")).ToArray();
networkLoadBalancer.AddListener(listenerOptions.Id, new BaseNetworkListenerProps
{
DefaultTargetGroups = networkTargetGroups,
Port = listenerOptions.Port,
Protocol = listenerOptions.Protocol
});
}
}
public void CreateNetworkLoadBalancers()
{
if (CdkOptions.NetworkLoadBalancers == null || CdkOptions.NetworkLoadBalancers?.Any() != true)
{
return;
}
foreach (var networkLoadBalancerOptions in CdkOptions.NetworkLoadBalancers)
{
if (networkLoadBalancerOptions.Subnets?.Any() == false && networkLoadBalancerOptions.SubnetMappings?.Any() == false)
{
throw new ArgumentException($"Subnets or SubnetMappings are missing in NetworkLoadBalancer {networkLoadBalancerOptions.Id}, define one of them.");
}
if (networkLoadBalancerOptions.Subnets?.Any() == true && networkLoadBalancerOptions.SubnetMappings?.Any() == true)
{
throw new ArgumentException($"Subnets and SubnetMappings are incompatible in NetworkLoadBalancer {networkLoadBalancerOptions.Id}, define only one of them.");
}
var vpc = LocateVpc(networkLoadBalancerOptions.VpcId, $"The VPC name {networkLoadBalancerOptions.VpcId} in Network Load Balancer {networkLoadBalancerOptions.LoadBalancerName} does not exist");
INetworkLoadBalancer networkLoadBalancer = default;
if (networkLoadBalancerOptions.Subnets?.Any() == true)
{
var subnets = networkLoadBalancerOptions.Subnets.Select(x => LocateSubnet(x, $"The Subnet name {x} in Network Load Balancer {networkLoadBalancerOptions.LoadBalancerName} does not exist")).ToArray();
networkLoadBalancer = AwsCdkHandler.CreateNetworkLoadBalancer(networkLoadBalancerOptions.Id, networkLoadBalancerOptions.CrossZoneEnabled, networkLoadBalancerOptions.DeletionProtection, networkLoadBalancerOptions.InternetFacing, networkLoadBalancerOptions.LoadBalancerName, vpc, subnets);
}
else
{
var subnetMappingProperties = networkLoadBalancerOptions.SubnetMappings.Select(x => CreateSubnetMappingProperty(x.AllocationId, x.IPv6Address, x.PrivateIPv4Address, x.SubnetId)).ToArray();
networkLoadBalancer = AwsCdkHandler.CreateNetworkLoadBalancer(networkLoadBalancerOptions.Id, networkLoadBalancerOptions.CrossZoneEnabled, networkLoadBalancerOptions.DeletionProtection, networkLoadBalancerOptions.InternetFacing, networkLoadBalancerOptions.LoadBalancerName, vpc, subnetMappingProperties: subnetMappingProperties);
}
networkLoadBalancerOptions.Listeners.ForEach(x => AssignListenerToNetworkLoadBalancer(networkLoadBalancer, x));
StackResources.NetworkLoadBalancers.Add(networkLoadBalancerOptions.Id, networkLoadBalancer);
}
}
