---
- name: generate inventory file
  shell: |
    source {{ undercloud_rc }}
    /usr/bin/tripleo-ansible-inventory --plan {{ overcloud_stack_name }} \
        {% if overcloud_ssh_user != '' %} --ansible_ssh_user {{ overcloud_ssh_user }} {% endif %} \
        --static-yaml-inventory {{working_dir}}//tripleo-ansible-inventory.yaml

- name: load inventory file
  command: cat {{working_dir}}//tripleo-ansible-inventory.yaml
  register: upgrade_tripleo_inventory

- name: store roles
  set_fact:
    oc_roles: "{{ oc_roles + [item.key] }}"
  with_dict: "{{ (upgrade_tripleo_inventory.stdout | from_yaml).overcloud.children }}"

- name: register controller role name
  set_fact:
    controller_role_name: "{{ item|regex_search('[A-Za-z0-9]*[Cc]ontroller[A-Za-z0-9]*') }}"
  when: item|regex_search('[A-Za-z0-9]*[Cc]ontroller[A-Za-z0-9]*')
  with_items: "{{ oc_roles }}"

- name: store sorted roles with controller first
  set_fact:
    oc_roles: "{{ oc_roles|intersect([controller_role_name]) + oc_roles|difference([controller_role_name]) }}"