setup_undercloud.yml

- hosts: localhost
  gather_facts: yes
  vars:
      chassis_password:  "{{ instackenv_content.nodes[0].pm_password }}"
      osp_rhel_mapping:
        10: 7.7
        13: 7.9
        14: 7.7
        15: 8.0
        16: 8.1
        16.1: 8.2
        16.2: 8.4
        17.0: 9.0
        17.1: 9.2
  tasks:
    - name: set async_install to empty list
      set_fact:
        async_install: []

    - name: install os on undercloud node
      vars:
        needed_os: "RHEL {{ osp_rhel_mapping[osp_release|float] }}"
        hypervisor_host: "{{ undercloud_hostname }}"
        hypervisor_password: "{{ ansible_ssh_pass }}"
      include_tasks: tasks/install_os.yml

    - name: Check if stack user exists
      shell: |
        ssh -o 'PreferredAuthentications=publickey' -o 'StrictHostKeyChecking=no' -o 'UserKnownHostsFile=/dev/null' -i ~/.ssh/id_rsa stack@{{ undercloud_hostname }} 'echo success'
      register: test_user
      ignore_errors: true
      changed_when: false

    - name: check if stack user need to be created in undercloud
      set_fact:
        create_user: True
      when: test_user.stdout != "success"

- import_playbook: prepare_undercloud.yml
  when: hostvars['localhost']['create_user'] is defined