Add a new example of how to list a subset of pods using labels. (#110)

Author: brendandburns

examples/labels/PodList.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using k8s;
+
+namespace simple
+{
+    internal class PodList
+    {
+        private static void Main(string[] args)
+        {
+            var config = KubernetesClientConfiguration.BuildConfigFromConfigFile();
+            IKubernetes client = new Kubernetes(config);
+            Console.WriteLine("Starting Request!");
+
+            var list = client.ListNamespacedService("default");
+            foreach (var item in list.Items)
+            {
+                Console.WriteLine("Pods for service: " + item.Metadata.Name);
+                Console.WriteLine("=-=-=-=-=-=-=-=-=-=-=");
+                if (item.Spec == null || item.Spec.Selector == null)
+                {
+                    continue;
+                }
+                var labels = new List<string>();
+                foreach (var key in item.Spec.Selector)
+                {
+                    labels.Add(key.Key + "=" + key.Value);
+                }
+                var labelStr = string.Join(",", labels.ToArray());
+                Console.WriteLine(labelStr);
+                var podList = client.ListNamespacedPod("default", labelSelector: labelStr);
+                foreach (var pod in podList.Items)
+                {
+                    Console.WriteLine(pod.Metadata.Name);
+                }
+                if (podList.Items.Count == 0)
+                {
+                    Console.WriteLine("Empty!");
+                }
+                Console.WriteLine();
+            }
+        }
+    }
+}

examples/labels/labels.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\KubernetesClient.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>