private static void HandleIngressAdded(Extensionsv1beta1Ingress item, NodesInfo nodesInfo)
{
item.Spec.Rules.ToList().ForEach(rule =>
{
rule.Http.Paths.ToList().ForEach(path =>
{
var targetPort = LookupPort(path, item.Metadata.NamespaceProperty);
var addRule = new Rule
{
Name = item.Metadata.Name,
Host = rule.Host,
Port = 443,
Protocol = "https" // look up from annotation
};
addRule.Targets.AddRange(nodesInfo.NodeAddresses.Select(nodeAddress => $"{nodeAddress}:{targetPort}"));
try
{
var pushRule = _client.PushRule(addRule);
Console.WriteLine($"Rule pushed {pushRule.Accepted}");
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
});
});
}
private static void Main(string[] args)
{
var appConfig = new ConfigurationBuilder()
.AddEnvironmentVariables()
.Build();
var loadBalancerTarget = appConfig["LOAD_BALANCER_TARGET"];
var channel = new Channel(loadBalancerTarget, ChannelCredentials.Insecure);
_client = new ConfigRemoteClient(new ConfigRemote.ConfigRemoteClient(channel));
var config = KubernetesClientConfiguration.IsInCluster()
? KubernetesClientConfiguration.InClusterConfig()
: KubernetesClientConfiguration.BuildDefaultConfig();
_k8sClient = new Kubernetes(config);
Console.WriteLine($"Current context {config.CurrentContext}");
Console.WriteLine($"Connecting to {_k8sClient.BaseUri}");
var listNodeAsync = _k8sClient.ListNodeAsync();
var nodesInfo = new NodesInfo(listNodeAsync.Result);
var ingressLister = _k8sClient.ListIngressForAllNamespacesWithHttpMessagesAsync(watch: true);
using (ingressLister.Watch <Extensionsv1beta1Ingress, Extensionsv1beta1IngressList>((type, item) =>
{
switch (type)
{
case WatchEventType.Added:
HandleIngressAdded(item, nodesInfo);
break;
default:
Console.WriteLine($"Unhandled event for ingress {item.Metadata.Name}");
break;
}
}))
{
Console.WriteLine("Watching for ingress changes...");
Console.ReadLine();
}
}