# bhyve ~~ roles/bhyve/tasks/main.yml
# bhyve hypervisor configuration for FreeBSD based systems

---

- name: retrieve active vms
  set_fact:
    active_vms: "{{ vms | map(attribute='name') | join(' ') }}"

- name: create bhyve group
  group:
    name: bhyve
    state: present

- name: create bhyve user
  user:
    name: "{{ bhyve_user }}"
    group: "{{ bhyve_group }}"
    comment: Unpreviliged user for bhyve guests
    system: true

- name: check existence of bhyve directory
  file:
    path: "{{ bhyve_dir }}"
    owner: "{{ bhyve_user }}"
    group: "{{ bhyve_user }}"
    state: directory
    mode: 0711

- name: install bhyve dependencies
  package:
    name: "{{ bhyve_dependencies }}"

- name: load bhyve module
  shell: kldload vmm
  register: result
  failed_when: result.rc != 0 and "already loaded" not in result.stderr

- name: init bhyve vm
  shell: |
    sysrc vm_enable="YES"
    sysrc vm_dir="{{ bhyve_dir }}"
    sysrc vm_list="{{ active_vms }}"
    sysrc vm_delay="{{ bhyve_bootdelay }}"
    vm init

- name: create network switch
  shell: |
    vm switch create {{ hypervisor.switch }}
    vm switch add public {{ hypervisor.interface }}
  register: result
  failed_when: >
    result.rc != 0 and 
    "already exists" not in result.stderr and 
    "failed to" not in result.stderr

- name: create per vm configuration
  include: guest.yml guest="{{ item }}"
  loop: "{{ vms }}"

- name: retrieve all iso
  get_url:
    url: "{{ item }}"
    dest: "{{ bhyve_dir }}/.iso"
  loop: "{{ bhyve_iso }}"

- name: retrieve inactive vms
  find:
    path: "{{ bhyve_dir }}"
    file_type: directory
  register: result

- name: compute retrieved vms to list
  set_fact:
    result:
      "{{ result.files | map(attribute='path') | map('basename') | list }}"
    active_vms: "{{ active_vms.split(' ') }}"

- name: compute vms to be destroyed
  set_fact:
    inactive_vms: "{{ result | difference(active_vms) }}"

- name: show vms to be destroyed
  debug:
    msg: "{{ inactive_vms }}"

- name: delete all deprecated vms
  file:
    path: "{{ bhyve_dir }}/{{ item }}"
    state: absent
  when: bhyve_strict
  loop: "{{ inactive_vms }}"