--- apiVersion: v1 kind: ConfigMap metadata: name: kubevip namespace: kube-system data: {% if kube_vip_lb_ip_range is string %} {# kube_vip_lb_ip_range was used in the legacy way: single string instead of a list #} {# => transform to list with single element #} {% set kube_vip_lb_ip_range = [kube_vip_lb_ip_range] %} {% endif %} range-global: {{ kube_vip_lb_ip_range | join(',') }}