private IEnumerable <IngressModel> FindIngressesForService(ServicePortModel sp, IEnumerable <IngressModel> ingresses)
{
var matchingIngresses = new List <IngressModel>();
// Match ingresses in the right namespace
foreach (var ingress in ingresses.Where(i => i.Namespace == sp.Namespace))
{
foreach (var rule in ingress.Rules)
{
// Match paths with the right service name
foreach (var path in rule.Paths.Where(p => p.BackendServiceName == sp.ServiceName && p.PathType != IngressPath.IngressPathType.ImplementationSpecific))
{
if (int.TryParse(path.BackendServicePort, out var portValue) && portValue == sp.Port)
{
// Port number match
matchingIngresses.Add(ingress);
}
else if (string.Equals(path.BackendServicePort, sp.PortName, StringComparison.OrdinalIgnoreCase))
{
// Matched based on the port name in the service
matchingIngresses.Add(ingress);
}
}
}
}
return(matchingIngresses);
}
private Cluster BuildCluster(string clusterId, ServicePortModel sp, V1Endpoints endpoints)
{
var destinations = new Dictionary <string, Destination>();
var destinationIndex = 0;
foreach (var subset in endpoints.Subsets)
{
foreach (var port in subset.Ports)
{
if (string.IsNullOrWhiteSpace(sp.PortName))
{
// Compare based on port number
if (sp.Port == port.Port)
{
// TODO - Check the scheme! Currently assuming http. Also figure out what to do with unavailable addresses
var addresses = subset.Addresses.Select(a => $"http://{a.Ip}:{port.Port}").ToArray();
for (var i = 0; i < addresses.Length; i++)
{
var dest = new Destination()
{
Address = addresses[i],
};
destinations.Add($"{clusterId}/{destinationIndex}", dest);
destinationIndex++;
}
}
}
else
{
if (sp.PortName == port.Name)
{
// TODO - Check the scheme! Currently assuming http. Also figure out what to do with unavailable addresses
var addresses = subset.Addresses.Select(a => $"http://{a.Ip}:{port.Port}").ToArray();
for (var i = 0; i < addresses.Length; i++)
{
var dest = new Destination()
{
Address = addresses[i],
};
destinations.Add($"{clusterId}/{destinationIndex}", dest);
destinationIndex++;
}
}
}
}
}
return(new Cluster
{
Id = clusterId,
Destinations = destinations,
});
}
