Add a simple example of creating and deleting a namespace.

2017-11-03 22:01:53 -07:00
parent e7726f7c36
commit f8d0e868ec
2 changed files with 92 additions and 0 deletions
--- a/examples/namespace/Namespace.cs
+++ b/examples/namespace/Namespace.cs
@@ -0,0 +1,80 @@
+namespace simple
+{
+    using System;
+    using System.IO;
+    using System.Net;
+    using System.Threading.Tasks;
+    using k8s;
+    using k8s.Models;
+
+    class NamespaceExample
+    {
+        static void ListNamespaces(IKubernetes client) {
+            var listTask = client.ListNamespaceWithHttpMessagesAsync().Result;
+            var list = listTask.Body;
+            foreach (var item in list.Items) {
+                Console.WriteLine(item.Metadata.Name);
+            }
+            if (list.Items.Count == 0) {
+                Console.WriteLine("Empty!");
+            }
+        }
+
+        static async Task asyncAwaitDelete(IKubernetes client, string name, int delayMillis) {
+            while (true) {
+                await Task.Delay(delayMillis);
+                try {
+                    var result = await client.ReadNamespaceWithHttpMessagesAsync(name);
+                    var ns = result.Body;
+                    Console.WriteLine(ns);
+                } catch (AggregateException ex) {
+                    foreach (var innerEx in ex.InnerExceptions) {
+                        if (innerEx is Microsoft.Rest.HttpOperationException) {
+                            var code = ((Microsoft.Rest.HttpOperationException)innerEx).Response.StatusCode;
+                            if (code == HttpStatusCode.NotFound) {
+                                return;
+                            }
+                            throw ex;
+                        }
+                    }
+                } catch (Microsoft.Rest.HttpOperationException ex) {
+                    if (ex.Response.StatusCode == HttpStatusCode.NotFound) {
+                        return;
+                    }
+                    throw ex;
+                }
+            }
+        }
+
+        static void awaitDelete(IKubernetes client, string name, int delayMillis) {
+            asyncAwaitDelete(client, name, delayMillis).Wait();
+        }
+
+        static void Main(string[] args)
+        {
+            var k8sClientConfig = KubernetesClientConfiguration.BuildConfigFromConfigFile();
+            IKubernetes client = new Kubernetes(k8sClientConfig);
+            
+            ListNamespaces(client);
+
+            var ns = new Corev1Namespace();
+            ns.Metadata = new V1ObjectMeta();
+            ns.Metadata.Name = "test";
+
+            var result = client.CreateNamespaceWithHttpMessagesAsync(ns).Result;
+            Console.WriteLine(result);
+
+            ListNamespaces(client);
+
+            var task = client.DeleteNamespaceWithHttpMessagesAsync(new V1DeleteOptions(), ns.Metadata.Name);
+            var obj = ObjectOrStatus<Corev1Namespace>.ReadObjectOrStatus(task);
+            
+            if (obj.Status != null) {
+                Console.WriteLine(obj.Status);
+            } else {
+                awaitDelete(client, ns.Metadata.Name, 3 * 1000);
+            }
+            ListNamespaces(client);
+        }
+    }
+}