---
# Ensure we have facts about all hypervisors before scheduling begins.
- name: Gather facts from hypervisors
  setup:
  delegate_to: "{{ item }}"
  delegate_facts: true
  loop: "{{ groups['hypervisors'] }}"

# Creates a dict mapping each hypervisor's hostname to its hostvars, to be used
# during scheduling.
- name: Collect hypervisor hostvars
  set_fact:
    hypervisor_vars: >-
      {{ hypervisor_vars | default({}) | combine({item: hostvars[item]}) }}
  loop: "{{ groups['hypervisors'] }}"

- name: Schedule VMs to hypervisors
  tenks_schedule:
    hypervisor_vars: "{{ hypervisor_vars }}"
    vm_types: "{{ vm_types }}"
    specs: "{{ specs }}"
  register: allocations

- name: Write VM allocations to file
  copy:
    # tenks_schedule lookup plugin outputs a dict. Pretty-print this to persist
    # it in a YAML file.
    content: "{{ allocations.result | to_nice_yaml }}"
    dest: "{{ allocations_file_path }}"