Add virtualbox-iso target

Lots of other, small quality of life improvements to build process
Output of build serial console to artifacts upon failure
Reducing verbosity of Packer, now that serial output is captured
Fixed sizing problems with the boot partitions of Ubuntu versions
Use of Mac builders for Virtualbox targets
Updating Ubuntu builders to 22.04, as well

ansible/roles/virtualbox/tasks/main.yml

@@ -1,10 +1,23 @@
-- name: install build deps for virtualbox addons
+- name: Load version information
+  ansible.builtin.include_vars: "{{ item }}"
+  loop:
+    - "{{ role_path }}/vars/{{ ansible_facts['os_family'] }}.yml"
+    - "{{ role_path }}/vars/{{ ansible_facts['distribution'] }}.yml"
+    - "{{ role_path }}/vars/{{ ansible_facts['distribution'] }}_{{ ansible_facts['distribution_major_version'] }}.yml"
+    - "{{ role_path }}/vars/{{ ansible_facts['distribution'] }}_{{ ansible_facts['distribution_version'] }}.yml"
+  when: item is file
+
+- name: Install build deps for virtualbox addons
   become: true
   ansible.builtin.package:
     name: "{{ virtualbox_packages }}"
     state: present
+    update_cache: true
+  register: _pkg_install
+  retries: 3
+  until: _pkg_install is success
 
-- name: start services
+- name: Start services
   become: true
   ansible.builtin.service:
     name: "{{ item }}"
@@ -12,16 +25,21 @@
     enabled: true
   loop: "{{ virtualbox_services }}"
 
-- name: mount iso file
-  become: true
-  ansible.builtin.command: "{{ item }}"
-  changed_when: false
-  loop:
-    - mount -o loop,ro {{ ansible_user_dir }}/VBoxGuestAdditions.iso /mnt
-    - /mnt/VBoxLinuxAdditions.run
-    - umount /mnt
+- when: virtualbox_from_iso
+  block:
+    - name: Mount iso file
+      become: true
+      ansible.builtin.command: "{{ item }}"
+      changed_when: false
+      failed_when: _cmd.rc not in [0, 2]
+      register: _cmd
+      loop:
+        - mount -o loop,ro {{ virtualbox_iso_location }} /mnt
+        - /mnt/VBoxLinuxAdditions.run --nox11
+        - umount /mnt
 
-- name: remove iso
-  ansible.builtin.file:
-    name: "{{ ansible_user_dir }}/VBoxGuestAdditions.iso"
+- name: Remove packages
+  become: true
+  ansible.builtin.package:
+    name: "{{ virtualbox_remove_packages | default([]) }}"
     state: absent