replace Macchiato with NetworkManager MAC randomization

Macchiato is no longer in the AUR, but NetworkManager's built in
behaviour is good enough.

https://wiki.archlinux.org/title/NetworkManager#Configuring_MAC_address_randomization

roles/macchiato/files/macchiato_default.sh

@@ -1,5 +0,0 @@
-ouiList=(
-    wired_laptop
-    wireless_laptop
-    wireless_usb
-)

roles/macchiato/handlers/main.yml

@@ -1,4 +0,0 @@
----
-- name: start macchiato
-  service: name=macchiato.service state=started
-  when: network.spoof_mac == True

roles/macchiato/tasks/main.yml

@@ -1,19 +0,0 @@
----
-- name: Install macchiato
-  aur: name=macchiato-git user={{ user.name }}
-  tags:
-    - aur
-
-- name: Configure interfaces for macchiato
-  copy: src=macchiato_default.sh dest=/etc/macchiato.d/{{ item }}.sh
-  with_items: "{{ ansible_interfaces }}"
-
-- name: Enable macchiato
-  service: name=macchiato.service enabled=yes
-  when: network.spoof_mac == True
-  notify:
-    - start macchiato
-
-- name: Disable and stop macchiato
-  service: name=macchiato.service enabled=no state=stopped
-  when: network.spoof_mac == False

roles/networkmanager/tasks/main.yml

@@ -15,6 +15,11 @@
       dest: /etc/NetworkManager/conf.d/20-connectivity.conf
   when: network.conn_check is defined
 
+- name: Push MAC address randomization config
+  template:
+      src: random_mac.conf.j2
+      dest: /etc/NetworkManager/conf.d/20-random_mac.conf
+
 - name: Enable and start NetworkManager
   service:
       name: NetworkManager.service

roles/networkmanager/templates/random_mac.conf.j2

@@ -0,0 +1,10 @@
+# {{ ansible_managed }}
+[device-mac-randomization]
+# Always use a random MAC when scanning wifi networks.
+wifi.scan-rand-mac-address=yes
+
+[connection-mac-randomization]
+# Randomize MAC for every ethernet connection.
+ethernet.cloned-mac-address=random
+# Generate a random MAC for each wifi network and associate the two permanently.
+wifi.cloned-mac-address=stable