CreateServiceAsync(Kubernetes k8sClient, V1Service yamlModel, MTAServiceModel serviceModel)
{
try
{
var namespaceParams = PrepareNamespaceParams(_groupName);
var serviceParams = PrepareServiceParams(_serviceName);
yamlModel.Metadata.Name = serviceParams;
yamlModel.Spec.Selector = serviceModel.Selectors;
var v1ServicePorts = new List <V1ServicePort>();
foreach (var port in serviceModel.Ports)
{
var v1ServicePort = new V1ServicePort(port);
v1ServicePorts.Add(v1ServicePort);
}
yamlModel.Spec.Ports = v1ServicePorts;
var v1Service = await k8sClient.CreateNamespacedServiceAsync
(yamlModel, namespaceParams);
serviceModel = new MTAServiceModel(v1Service);
return(new Tuple <MTAServiceModel, MTAErrorModel>(serviceModel, null));
}
catch (HttpOperationException ex)
{
var errorModel = new MTAErrorModel(ex);
return(new Tuple <MTAServiceModel, MTAErrorModel>(null, errorModel));
}
catch (Exception)
{
throw;
}
}
static void AssertPort(V1ServicePort expected, V1ServicePort actual)
{
Assert.NotNull(actual);
Assert.Equal(expected.Name, actual.Name);
Assert.Equal(expected.Port, actual.Port);
Assert.Equal(expected.NodePort, actual.NodePort);
Assert.Equal(expected.TargetPort, actual.TargetPort);
Assert.Equal(expected.Protocol, actual.Protocol);
}
public static ServicePortModel ToModel(this V1ServicePort port, string serviceName, string serviceNamespace)
{
return(new ServicePortModel
{
ServiceName = serviceName,
Namespace = serviceNamespace,
PortName = port.Name,
Protocol = port.Protocol,
Port = port.Port
});
}
private static bool MatchesPort(V1ServicePort port1, V1ServiceBackendPort port2)
{
if (port1 == null || port2 == null)
{
return(false);
}
if (port2.Number != null && port2.Number == port1.Port)
{
return(true);
}
if (port2.Name != null && string.Equals(port2.Name, port1.Name, StringComparison.Ordinal))
{
return(true);
}
return(false);
}
public void CreateServiceExposedPortsOnlyCreatesExposedPortService()
{
var module = CreateKubernetesModule(CreatePodParameters.Create(exposedPorts: ExposedPorts));
var mapper = new KubernetesServiceMapper(PortMapServiceType.LoadBalancer);
Option <V1Service> result = mapper.CreateService(CreateIdentity, module, DefaultLabels);
Assert.True(result.HasValue);
var service = result.OrDefault();
V1ServicePort port80 = service.Spec.Ports.Single(p => p.Port == 80);
Assert.Equal("exposedport-80-tcp", port80.Name);
Assert.Equal("TCP", port80.Protocol);
V1ServicePort port5000 = service.Spec.Ports.Single(p => p.Port == 5000);
Assert.Equal("exposedport-5000-udp", port5000.Name);
Assert.Equal("UDP", port5000.Protocol);
}
public void CreateServiceHostPortsCreatesHostportService()
{
var module = CreateKubernetesModule(CreatePodParameters.Create(hostConfig: HostPorts));
var mapper = new KubernetesServiceMapper(PortMapServiceType.LoadBalancer);
Option <V1Service> result = mapper.CreateService(CreateIdentity, module, DefaultLabels);
Assert.True(result.HasValue);
var service = result.OrDefault();
V1ServicePort port80 = service.Spec.Ports.Single(p => p.Port == 8080);
Assert.Equal("hostport-80-tcp", port80.Name);
Assert.Equal("TCP", port80.Protocol);
Assert.Equal(80, (int)port80.TargetPort);
V1ServicePort port5000 = service.Spec.Ports.Single(p => p.Port == 5050);
Assert.Equal("hostport-5000-udp", port5000.Name);
Assert.Equal("UDP", port5000.Protocol);
Assert.Equal(5000, (int)port5000.TargetPort);
}
private static void HandleIngressRulePath(YarpIngressContext ingressContext, V1ServicePort servicePort, List <Endpoints> endpoints, IList <V1EndpointSubset> defaultSubsets, V1IngressRule rule, V1HTTPIngressPath path, YarpConfigContext configContext)
{
var backend = path.Backend;
var ingressServiceBackend = backend.Service;
var subsets = defaultSubsets;
var clusters = configContext.ClusterTransfers;
var routes = configContext.Routes;
if (!string.IsNullOrEmpty(ingressServiceBackend?.Name))
{
subsets = endpoints.SingleOrDefault(x => x.Name == ingressServiceBackend?.Name).Subsets;
}
// Each ingress rule path can only be for one service
var key = ingressServiceBackend.Port.Number.HasValue ? $"{ingressServiceBackend?.Name}:{ingressServiceBackend?.Port.Number}" : $"{ingressServiceBackend?.Name}:{ingressServiceBackend?.Port.Name}";
if (!clusters.ContainsKey(key))
{
clusters.Add(key, new ClusterTransfer());
}
var cluster = clusters[key];
cluster.ClusterId = key;
// make sure cluster is present
foreach (var subset in subsets ?? Enumerable.Empty <V1EndpointSubset>())
{
foreach (var port in subset.Ports ?? Enumerable.Empty <V1EndpointPort>())
{
if (!MatchesPort(port, servicePort.TargetPort))
{
continue;
}
var pathMatch = FixupPathMatch(path);
var host = rule.Host;
routes.Add(new RouteConfig()
{
Match = new RouteMatch()
{
Hosts = host != null ? new[] { host } : Array.Empty <string>(),
Path = pathMatch
},
ClusterId = cluster.ClusterId,
RouteId = $"{ingressContext.Ingress.Metadata.Name}:{path.Path}"
});
// Add destination for every endpoint address
foreach (var address in subset.Addresses ?? Enumerable.Empty <V1EndpointAddress>())
{
var protocol = ingressContext.Options.Https ? "https" : "http";
var uri = $"{protocol}://{address.Ip}:{port.Port}";
cluster.Destinations[uri] = new DestinationConfig()
{
Address = uri
};
}
}
}
}