Add no-snap

roles/no-snap/files/etc/apt/preferences.d/no-snap

@@ -0,0 +1,6 @@
+# To prevent repository packages from triggering the installation of snap,
+# this file forbids snapd from being installed by APT.
+
+Package: snapd
+Pin: release a=*
+Pin-Priority: -10

roles/no-snap/tasks/main.yml

@@ -0,0 +1,14 @@
+- name: remove snap
+  become: yes
+  apt:
+    state: absent
+    purge: yes
+    pkg:
+      - snapd
+
+- name: Forbid apt to install snap
+  become: yes
+  copy:
+    src: etc/apt/preferences.d/no-snap
+    dest: /etc/apt/preferences.d/no-snap
+    mode: '0644'