Fixed an ArgumentNullException caused by a missing "cluster" configuration section. Now the error is more user friendly

sesispla · sesispla · commit b69f070bec0e · 2017-06-27T20:08:38.000+02:00
diff --git a/src/KubernetesClientConfiguration.cs b/src/KubernetesClientConfiguration.cs
@@ -128,6 +128,11 @@ private void Initialize(K8SConfiguration k8SConfig, string currentContext = null
                 this.CurrentContext = activeContext.Name;
             }
 
+            if (k8SConfig.Clusters == null)
+            {
+                throw new KubeConfigException($"clusters not found for current-context :{activeContext} in kubeconfig");
+            }
+
             var clusterDetails = k8SConfig.Clusters.FirstOrDefault(c => c.Name.Equals(activeContext.ContextDetails.Cluster, StringComparison.OrdinalIgnoreCase));
             if (clusterDetails?.ClusterEndpoint != null)
             {

Original file line number	Diff line number	Diff line change
`@@ -128,6 +128,11 @@ private void Initialize(K8SConfiguration k8SConfig, string currentContext = null`
`128`	`128`	`this.CurrentContext = activeContext.Name;`
`129`	`129`	`}`
`130`	`130`
	`131`	`+ if (k8SConfig.Clusters == null)`
	`132`	`+ {`
	`133`	`+ throw new KubeConfigException($"clusters not found for current-context :{activeContext} in kubeconfig");`
	`134`	`+ }`
	`135`	`+`
`131`	`136`	`var clusterDetails = k8SConfig.Clusters.FirstOrDefault(c => c.Name.Equals(activeContext.ContextDetails.Cluster, StringComparison.OrdinalIgnoreCase));`
`132`	`137`	`if (clusterDetails?.ClusterEndpoint != null)`
`133`	`138`	`{`