[rtl8192cu] disable wifi.scan-rand-mac-address if network-manager is …

…installed

Raspbian Steretchから、NetworkManagerでwifi.scan-rand-mac-addressが
デフォルトで有効になったが、RTL8192CUでは動作しない。
NetworkManagerがインストールされていたら無効化する設定を含めた。

ansible/roles/rtl8192cu/tasks/main.yml

@@ -5,3 +5,18 @@
     state: present
     create: yes
   become: yes
+
+- name: check network-manager is installed
+  stat:
+    path: /etc/NetworkManager/NetworkManager.conf
+  register: nmconf
+
+- name: disable wifi.scan-rand-mac-address if network-manager is installed
+  blockinfile:
+    path: /etc/NetworkManager/NetworkManager.conf
+    block: |
+      
+      [device]
+      wifi.scan-rand-mac-address=no
+  when: nmconf.stat.exists
+  become: yes