public void AddIngress(IKubernetes client, Networkingv1beta1Ingress ingress, string nspace)
{
string regex = "";
if (ingress.Metadata.Annotations.ContainsKey("regex"))
{
regex = ingress.Metadata.Annotations["regex"];
}
// Adding rewrite annotation; getting associated regex value
// Creating a custom path for each service. Path format is arbitrary and could be changed if needed
foreach (var rule in ingress.Spec.Rules)
{
foreach (var path in rule.Http.Paths)
{
path.Path = "/" + nspace + path.Path;
}
}
client.CreateNamespacedIngress1(ingress, nspace);
}
/// <summary>
/// Wait untill IP address of Ingress LoadBalancer is available.
/// </summary>
/// <param name="ingress"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <IEnumerable <V1LoadBalancerIngress> > WaitForIngressIPAsync(
Networkingv1beta1Ingress networkingv1beta1Ingress,
CancellationToken cancellationToken = default
)
{
if (networkingv1beta1Ingress is null)
{
throw new ArgumentNullException(nameof(networkingv1beta1Ingress));
}
Exception exception = null;
try {
var tmpIngress = networkingv1beta1Ingress;
var namespaceProperty = tmpIngress.Metadata.NamespaceProperty;
var labels = tmpIngress.Metadata.Labels
.Select(kvp => $"{kvp.Key}={kvp.Value}")
.ToList();
var labelsStr = string.Join(",", labels);
const int secondsDelay = 5;
const int secondsRetry = 900;
var stopwatch = new Stopwatch();
stopwatch.Start();
// Now we will loop untill LoadBalancer Ingress IP address is available.
while (null == tmpIngress.Status ||
null == tmpIngress.Status.LoadBalancer ||
null == tmpIngress.Status.LoadBalancer.Ingress ||
0 == tmpIngress.Status.LoadBalancer.Ingress.Count()
)
{
if (stopwatch.Elapsed >= TimeSpan.FromSeconds(secondsRetry))
{
exception = new Exception($"Ingress IP address is not available after " +
$"{secondsRetry} seconds for: {tmpIngress.Metadata.Name}");
break;
}
await Task.Delay(secondsDelay * 1000, cancellationToken);
var ingresses = await _k8sClient
.ListNamespacedIngress1Async(
namespaceProperty,
labelSelector : labelsStr,
cancellationToken : cancellationToken
);
tmpIngress = ingresses
.Items
.Where(ingress => ingress.Metadata.Name == tmpIngress.Metadata.Name)
.FirstOrDefault();
}
if (null == exception)
{
return(tmpIngress.Status.LoadBalancer.Ingress.ToList());
}
} catch (Exception ex) {
Log.Error(ex, $"Failure while waiting for IP address of Ingress LoadBalancer");
throw;
}
throw exception;
}
