/root/.kube must to mounted in order for helm to read kubeconfig and not fallback to localhost:8080

roles/kubernetes-apps/helm/templates/helm-container.j2

@@ -2,6 +2,7 @@
 {{ docker_bin_dir }}/docker run --rm \
   --net=host \
   --name=helm \
+  -v /root/.kube:/root/.kube:ro \
   -v /etc/ssl:/etc/ssl:ro \
   -v {{ helm_home_dir }}:{{ helm_home_dir }}:rw \
   {% for dir in ssl_ca_dirs -%}