common: Add Incus guest agent and Allow to uninstall Qemu guest agent

Author: JGoutin

roles/common/README.md

@@ -94,6 +94,7 @@ packages.
 | `common_grub_password`                              |                                                                                                              | If specified, ensure Grub password is set to this value.                                                                                                                                                                                                                                                                                                                                                                                |
 | `common_grub_save_default`                          | false                                                                                                        | If `true` configure Grub to use the last used entry as default.                                                                                                                                                                                                                                                                                                                                                                         |
 | `common_grub_timeout`                               | 1                                                                                                            | Grub timeout to set.                                                                                                                                                                                                                                                                                                                                                                                                                    |
+| `common_guest_incus`                                | false                                                                                                        | If `true` Install Incus guest agent.                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `common_guest_qemu`                                 | false                                                                                                        | If `true` Install Qemu guest agent.                                                                                                                                                                                                                                                                                                                                                                                                     |
 | `common_hostname`                                   |                                                                                                              | If specified, set hostname.                                                                                                                                                                                                                                                                                                                                                                                                             |
 | `common_journal_disk_max_size`                      |                                                                                                              | If specified, set systemd journal disk max size (`SystemMaxUse`).                                                                                                                                                                                                                                                                                                                                                                       |

roles/common/defaults/main.yml

@@ -37,6 +37,7 @@ common_random_mac_wifi: random
 common_random_mac_ethernet: stable
 common_ssh_hardening: true
 common_guest_qemu: false
+common_guest_incus: false
 
 # Internal values
 _smtp_server: "[{{ common_mail_smtp_host }}]:{{ common_mail_smtp_port }}"

roles/common/tasks/guest.yml

@@ -2,21 +2,34 @@
 
 - name: Ensure Qemu guest agent is installed
   ansible.builtin.dnf:
-    state: present
+    state: "{{common_guest_qemu | bool | ternary('present', 'absent')}}"
     name: qemu-guest-agent
     install_weak_deps: false
   retries: 10
   delay: 1
   register: _
   until: _ is successful
-  when:
-    - common_guest_qemu | bool
-    - not (_ostree | bool)
+  when: not (_ostree | bool)
 
 - name: Ensure Qemu guest agent is installed
   community.general.rpm_ostree_pkg:
-    state: present
+    state: "{{common_guest_qemu | bool | ternary('present', 'absent')}}"
     name: qemu-guest-agent
-  when:
-    - common_guest_qemu | bool
-    - _ostree | bool
+  when: _ostree | bool
+
+- name: Ensure Incus guest agent is installed
+  ansible.builtin.dnf:
+    state: "{{common_guest_incus | bool | ternary('present', 'absent')}}"
+    name: incus-agent
+    install_weak_deps: false
+  retries: 10
+  delay: 1
+  register: _
+  until: _ is successful
+  when: not (_ostree | bool)
+
+- name: Ensure Incus guest agent is installed
+  community.general.rpm_ostree_pkg:
+    state: "{{common_guest_incus | bool | ternary('present', 'absent')}}"
+    name: incus-agent
+  when: _ostree | bool