---
- name: Derive HCI parameters before deployment
  hosts: localhost
  gather_facts: false
  vars:
    # Set the following variables for your environment
    ironic_node_id:  # provide your Ironic UUID here
    role: ComputeHCI
    average_guest_cpu_utilization_percentage: 50
    average_guest_memory_size_in_mb: 8192
    heat_environment_input_file: /home/stack/ceph_overrides.yaml
    new_heat_environment_output_file: /home/stack/hci_result.yaml
    report_path: /home/stack/hci_report.txt
  tasks:
    - name: Get baremetal inspection data
      tripleo_get_introspected_data:
        node_id: "{{ ironic_node_id }}"
      register: ironic

    - name: Get tripleo CephDisks environment paramters
      set_fact:
        heat_env: "{{ lookup('file', heat_environment_input_file) | from_yaml }}"

    - name: Derive HCI parameters
      tripleo_derive_hci_parameters:
        tripleo_role_name: "{{ role }}"
        average_guest_cpu_utilization_percentage: "{{ average_guest_cpu_utilization_percentage }}"
        average_guest_memory_size_in_mb: "{{ average_guest_memory_size_in_mb }}"
        introspection_data: "{{ ironic }}"
        tripleo_environment_parameters: "{{ heat_env['parameter_defaults'] }}"
        new_heat_environment_path: "{{ new_heat_environment_output_file }}"
        report_path: "{{ report_path }}"
      register: derived_parameters_result

    - name: Display steps on what to do next
      debug:
        msg: >-
          You may deploy your overcloud using -e {{ new_heat_environment_output_file }}
          so that the role {{ role }} has its Nova configuration tuned to reserve
          CPU and Memory for its collocated Ceph OSDs. For an explanation see
          {{ report_path }}.