kubespray/contrib/network-storage/heketi/roles/provision/tasks/topology.yml

---
- name: "Get heketi topology."
  register: "heketi_topology"
  changed_when: false
  command: "{{ bin_dir }}/kubectl exec {{ heketi_pod_name }} -- heketi-cli topology info --json"
- name: "Render heketi topology template."
  become: true
  vars: { nodes: "{{ groups['heketi-node'] }}" }
  register: "rendering"
  template:
    src: "topology.json.j2"
    dest: "{{ kube_config_dir }}/topology.json"
- name: "Copy topology configuration into container."
  when: "rendering.changed"
  command: "{{ bin_dir }}/kubectl cp {{ kube_config_dir }}/topology.json {{ heketi_pod_name }}:/tmp/topology.json"
- name: "Load heketi topology."
  when: "rendering.changed"
  command: "{{ bin_dir }}/kubectl exec {{ heketi_pod_name }} -- heketi-cli --user admin --secret {{ heketi_admin_key }} topology load --json=/tmp/topology.json"
- name: "Get heketi topology."
  register: "heketi_topology"
  changed_when: false
  command: "{{ bin_dir }}/kubectl exec {{ heketi_pod_name }} -- heketi-cli --user admin --secret {{ heketi_admin_key }} topology info --json"
  until: "heketi_topology.stdout|from_json|json_query(\"clusters[*].nodes[*].devices[?state=='online'].id\")|flatten|length == groups['heketi-node']|length"
  retries: 60
  delay: 5