homeserver/roles/mgrote_minio_configure/tasks/bucket.yml

---
- name: block bucket
  block:
    - name: setup minio buckets
      ansible.builtin.command: "{{ minio_client_bin }} --dp mb {{ minio_root_alias }}/{{ item.name }}"
      loop: "{{ minio_buckets }}"
      register: buckets
  rescue:
    - name: print x
      ansible.builtin.debug:
        msg: "bucket exists already"
    when: 'not "Your previous request to create the named bucket succeeded and you already own it." in buckets.stdout'