home-cluster/template/templates/ansible/hosts.yaml.j2

#jinja2: trim_blocks: True, lstrip_blocks: True
---
kubernetes:
  children:
    master:
      hosts:
      {% for item in bootstrap_hosts.master %}
        {{ item.name }}:
          ansible_user: {{ item.username }}
          ansible_host: {{ item.address }}
      {% endfor %}
    {% if bootstrap_hosts.worker | default([]) | length > 0 %}
    worker:
      hosts:
      {% for item in bootstrap_hosts.worker %}
        {{ item.name }}:
          ansible_user: {{ item.username }}
          ansible_host: {{ item.address }}
      {% endfor %}
    {% endif %}