Add support Namespace in the kubeconfig file. (#72)

Author: brendandburns

Diff for: src/KubeConfigModels/Context.cs

@@ -9,5 +9,8 @@ public class Context
 
         [YamlMember(Alias = "name")]
         public string Name { get; set; }
+
+        [YamlMember(Alias = "namespace")]
+        public string Namespace { get; set; }
     }
 }

Diff for: src/KubernetesClientConfiguration.ConfigFile.cs

@@ -53,13 +53,11 @@ public static KubernetesClientConfiguration BuildConfigFromConfigFile(FileInfo k
             var k8SConfiguration = new KubernetesClientConfiguration();
 
             currentContext = currentContext ?? k8SConfig.CurrentContext;
-
             // only init context if context if set
             if (currentContext != null)
             {
-                k8SConfiguration.InitializeContext(k8SConfig, currentContext);
-            }
-
+                k8SConfiguration.InitializeContext(k8SConfig, currentContext);
+            }
             if (!string.IsNullOrWhiteSpace(masterUrl))
             {
                 k8SConfiguration.Host = masterUrl;
@@ -68,8 +66,8 @@ public static KubernetesClientConfiguration BuildConfigFromConfigFile(FileInfo k
             if (string.IsNullOrWhiteSpace(k8SConfiguration.Host))
             {
                 throw new KubeConfigException("Cannot infer server host url either from context or masterUrl");
-            }
-
+            }
+
             return k8SConfiguration;
         }
 
@@ -96,6 +94,9 @@ private void InitializeContext(K8SConfiguration k8SConfig, string currentContext
 
             // user
             SetUserDetails(k8SConfig, activeContext);
+
+            // namespace
+            Namespace = activeContext.Namespace;
         }
 
         private void SetClusterDetails(K8SConfiguration k8SConfig, Context activeContext)
@@ -122,8 +123,7 @@ private void SetClusterDetails(K8SConfiguration k8SConfig, Context activeContext
                 var uri = new Uri(Host);
                 if (uri.Scheme == "https")
                 {
-
-                    // check certificate for https
+                    // check certificate for https
                     if (!clusterDetails.ClusterEndpoint.SkipTlsVerify &&
                         string.IsNullOrWhiteSpace(clusterDetails.ClusterEndpoint.CertificateAuthorityData) &&
                         string.IsNullOrWhiteSpace(clusterDetails.ClusterEndpoint.CertificateAuthority))

Diff for: src/KubernetesClientConfiguration.cs

@@ -7,6 +7,11 @@ namespace k8s
     /// </summary>
     public partial class KubernetesClientConfiguration
     {
+        /// <summary>
+        ///     Gets current namespace
+        /// </summary>
+        public string Namespace { get; set; }
+
         /// <summary>
         ///     Gets Host
         /// </summary>