Ignore clusters with invalid kubeconfig (#1956)

* Ignore clusters with invalid kubeconfig

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Improve error message

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Mark cluster as dead if kubeconfig loading fails

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Fix tests

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Validate cluster object in kubeconfig when constructing cluster

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Add unit tests for validateKubeConfig

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Refactor validateKubeconfig unit tests

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Extract ValidationOpts type

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Add default value to validationOpts param

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Change isDead to property

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Fix lint issues

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Add missing new line

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Update validateKubeConfig in-code documentation

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Remove isDead property

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Display warning notification if invalid kubeconfig detected (#2233)

* Display warning notification if invalid kubeconfig detected

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

src/renderer/components/+add-cluster/add-cluster.tsx

@@ -147,7 +147,7 @@ export class AddCluster extends React.Component {
         try {
           const kubeConfig = this.kubeContexts.get(context);
 
-          validateKubeConfig(kubeConfig);
+          validateKubeConfig(kubeConfig, context);
 
           return true;
         } catch (err) {