Adds internal ports to container-port array as long as they have tags.

Framework/KubernetesWorkflow/RunningContainers.cs

@@ -46,6 +46,7 @@ namespace KubernetesWorkflow
             {
                 return containerPort.InternalAddress;
             }
+            if (containerPort.ExternalAddress == Address.InvalidAddress) throw new Exception($"Getting address by tag {portTag} resulted in an invalid address.");
             return containerPort.ExternalAddress;
         }
     }

Framework/KubernetesWorkflow/StartupWorkflow.cs

@@ -146,6 +146,16 @@ namespace KubernetesWorkflow
                     GetContainerExternalAddress(pod, servicePorts, exposedPort),
                     GetContainerInternalAddress(exposedPort)));
             }
+            foreach (var internalPort in recipe.InternalPorts)
+            {
+                if (!string.IsNullOrEmpty(internalPort.Tag))
+                {
+                    result.Add(new ContainerPort(
+                        internalPort,
+                        Address.InvalidAddress,
+                        GetContainerInternalAddress(internalPort)));
+                }
+            }
 
             return result.ToArray();
         }
@@ -159,14 +169,13 @@ namespace KubernetesWorkflow
                 servicePort.Number);
         }
 
-        private Address GetContainerInternalAddress(Port exposedPort)
+        private Address GetContainerInternalAddress(Port port)
         {
             var serviceName = "service-" + numberSource.WorkflowNumber;
-            var port = exposedPort.Number;
 
             return new Address(
                 $"http://{serviceName}.{k8sNamespace}.svc.cluster.local",
-                port);
+                port.Number);
         }
         
         private ContainerRecipe[] CreateRecipes(int numberOfContainers, ContainerRecipeFactory recipeFactory, StartupConfig startupConfig)

Framework/Utils/Address.cs

@@ -2,6 +2,8 @@
 {
     public class Address
     {
+        public static readonly Address InvalidAddress = new Address(string.Empty, 0);
+
         public Address(string host, int port)
         {
             Host = host;