---
- name: Retrieve the hypervisor statistics
  set_fact:
    statistics: "{{ lookup('nova_hypervisor_statistics', wantlist=True) }}"

- name: Get default role counts
  set_fact:
    roles_info: "{{ lookup('roles_info', wantlist=True) }}"

- name: Set requested count
  set_fact:
    requested_count: "{{ roles_info|sum(attribute='count') }}"

- name: Get associated nodes
  set_fact:
    associated_nodes: "{{ lookup('ironic_nodes', 'associated', wantlist=True) }}"

- name: Get available nodes
  set_fact:
    available_nodes: "{{ lookup('ironic_nodes', 'provision_state', ['available'], wantlist=True) }}"

- name: Set count of available nodes
  set_fact:
    available_count: "{{ ((associated_nodes|length) + (available_nodes|length))|int }}"

- name: Fail when requested is more than available
  fail:
    msg: >
      Not enough baremetal nodes - available: {{ available_count }},
      requested: {{ requested_count }}
  failed_when: requested_count|int > available_count|int

- name: Fail when hypervisor count is less than available count
  fail:
    msg: >
      Only {{ statistics.count }} nodes are exposed to Nova of
      {{ available_count }} requests. Check that enough nodes are
      in 'available' state with maintenance mode off.
  failed_when: statistics.count < available_count|int