private static async Task Main(string[] args) { Console.WriteLine("starting main()..."); // creating the k8s client var k8SClientConfig = KubernetesClientConfiguration.BuildConfigFromConfigFile(); IKubernetes client = new Kubernetes(k8SClientConfig); // creating a K8s client for the CRD var myCRD = Utils.MakeCRD(); Console.WriteLine("working with CRD: {0}.{1}", myCRD.PluralName, myCRD.Group); var generic = new GenericClient(client, myCRD.Group, myCRD.Version, myCRD.PluralName); // creating a sample custom resource content var myCr = Utils.MakeCResource(); try { Console.WriteLine("creating CR {0}", myCr.Metadata.Name); var response = await client.CreateNamespacedCustomObjectWithHttpMessagesAsync( myCr, myCRD.Group, myCRD.Version, myCr.Metadata.NamespaceProperty ?? "default", myCRD.PluralName).ConfigureAwait(false); } catch (HttpOperationException httpOperationException) when(httpOperationException.Message.Contains("422")) { var phase = httpOperationException.Response.ReasonPhrase; var content = httpOperationException.Response.Content; Console.WriteLine("response content: {0}", content); Console.WriteLine("response phase: {0}", phase); } catch (HttpOperationException) { } // listing the cr instances Console.WriteLine("CR list:"); var crs = await generic.ListNamespacedAsync <CustomResourceList <CResource> >(myCr.Metadata.NamespaceProperty ?? "default").ConfigureAwait(false); foreach (var cr in crs.Items) { Console.WriteLine("- CR Item {0} = {1}", crs.Items.IndexOf(cr), cr.Metadata.Name); } var old = JsonSerializer.SerializeToDocument(myCr); myCr.Metadata.Labels.TryAdd("newKey", "newValue"); var expected = JsonSerializer.SerializeToDocument(myCr); var patch = old.CreatePatch(expected); // updating the custom resource var crPatch = new V1Patch(patch, V1Patch.PatchType.JsonPatch); try { var patchResponse = await client.PatchNamespacedCustomObjectAsync( crPatch, myCRD.Group, myCRD.Version, myCr.Metadata.NamespaceProperty ?? "default", myCRD.PluralName, myCr.Metadata.Name).ConfigureAwait(false); } catch (HttpOperationException httpOperationException) { var phase = httpOperationException.Response.ReasonPhrase; var content = httpOperationException.Response.Content; Console.WriteLine("response content: {0}", content); Console.WriteLine("response phase: {0}", phase); } // getting the updated custom resource var fetchedCR = await generic.ReadNamespacedAsync <CResource>( myCr.Metadata.NamespaceProperty ?? "default", myCr.Metadata.Name).ConfigureAwait(false); Console.WriteLine("fetchedCR = {0}", fetchedCR.ToString()); // deleting the custom resource try { myCr = await generic.DeleteNamespacedAsync <CResource>( myCr.Metadata.NamespaceProperty ?? "default", myCr.Metadata.Name).ConfigureAwait(false); Console.WriteLine("Deleted the CR"); } catch (Exception exception) { Console.WriteLine("Exception type {0}", exception); } }