update ufw-formula improve reload function

_modules/ufw.py

 
 def add_rule(rule):
     cmd = "ufw " + rule
-    out = __salt__['cmd.run'](cmd)
-    __salt__['cmd.run']("ufw reload")
+    out = __salt__['cmd.run'](cmd, python_shell=True)
+    # __salt__['cmd.run']("ufw reload") # why reload after adding a rule? :/
     return out

ufw/init.sls

     {%- endif %}
     - require:
       - pkg: ufw
+    - listen_in:
+      - cmd: reload-ufw
 
     {%- endfor %}
   {%- endfor %}
     - interface: {{interface}}
     - require:
       - pkg: ufw
+    - listen_in:
+      - cmd: reload-ufw
 
   {%- endfor %}
 
     - from_addr: {{from_addr}}
     - require:
       - pkg: ufw
+    - listen_in:
+      - cmd: reload-ufw
 
   {%- endfor %}
 
     - require:
       - pkg: ufw
 
+reload-ufw:
+  cmd.wait:
+    - name: ufw reload
+
 disable-logging:
   cmd.run:
     - name: ufw logging off