fix k8s provider panic for incluster config (#1982)

Signed-off-by: Ivan Milchev <ivan@mondoo.com>

providers/k8s/connection/api/connection.go

@@ -83,14 +83,29 @@ func NewConnection(id uint32, asset *inventory.Asset) (shared.Connection, error)
  return nil, errors.Wrap(err, "could not create kubernetes clientset")
  }
 
+ currentClusterName := ""
+ if ctx, ok := kubeConfig.Contexts[kubeConfig.CurrentContext]; ok {
+ currentClusterName = ctx.Cluster
+ } else {
+ // right now we use the name of the first node to identify the cluster
+ result, err := clientset.CoreV1().Nodes().List(context.Background(), metav1.ListOptions{})
+ if err != nil {
+ return nil, err
+ }
+
+ if len(result.Items) > 0 {
+ currentClusterName = result.Items[0].GetName()
+ }
+ }
+
  res := Connection{
  id: id,
  asset: asset,
  d: d,
  config: config,
  clientset: clientset,
  namespace: asset.Connections[0].Options[shared.OPTION_NAMESPACE],
- currentClusterName: kubeConfig.Contexts[kubeConfig.CurrentContext].Cluster,
+ currentClusterName: currentClusterName,
  }
 
  return &res, nil