Add tun permission fix service workaround

system/base.sls

@@ -34,3 +34,16 @@ system_base_modules_service:
     - enable: True
     - watch:
       - file: /etc/modules
+
+# TUN permission fix service workaround
+system_base_tun-perm_service:
+  file.managed:
+    - name: /etc/init.d/tun-perm
+    - source: salt://{{ tpldir }}/files/base_tun-perm.initd
+    - user: root
+    - group: root
+    - mode: '0755'
+  service.enabled:
+    - name: tun-perm
+    - require:
+      - system_base_modules_service

system/files/base_tun-perm.initd

@@ -0,0 +1,13 @@
+#!/sbin/openrc-run
+supervisor=supervise-daemon
+
+name="TUN Module Permission setter"
+description="Setting the permission of /dev/net/tun to 666"
+
+command=$(which chmod)
+command_args="0666 /dev/net/tun"
+command_user="root"
+
+depend() {
+  need modules
+}