Fix virtualbox tools install (#9)

Ubuntu 22.04 has the tools available and does not need to install from
ISO. This was hanging, though no output seemed to indicate why. So we're
avoiding the ISO altogether and going with the Ubuntu packages

ansible/roles/virtualbox/tasks/main.yml

@@ -27,17 +27,27 @@
 
 - name: Run commands to install from ISO
   when: virtualbox_from_iso
+  become: true
   block:
-    - name: Mount iso file
-      become: true
-      ansible.builtin.command: "{{ item }}"
+    - name: Mount ISO file
+      ansible.posix.mount:
+        fstype: auto
+        path: /mnt
+        src: "{{ virtualbox_iso_location }}"
+        state: mounted
+        boot: false
+        opts: loop
+
+    - name: Install additions
+      ansible.builtin.command: /mnt/VBoxLinuxAdditions.run --nox11 2>&1 > /root/vbox_addon_install.log
       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: Unmount ISO file
+      ansible.posix.mount:
+        path: /mnt
+        state: absent
 
 - name: Remove packages
   become: true

ansible/roles/virtualbox/vars/Ubuntu_22.04.yml

@@ -4,6 +4,5 @@ virtualbox_packages:
   - tar
   - build-essential
 virtualbox_services: []
-virtualbox_from_iso: true
-virtualbox_iso_location: /home/vagrant/VBoxGuestAdditions.iso
+virtualbox_from_iso: false
 virtualbox_remove_packages: []