Use nbroles instead of grains

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

pillar/top.sls

@@ -1,5 +1,5 @@
-{% set roles = salt['grains.get']('roles', []) %}
+{%- set id = salt['grains.get']('id') -%}
-{% set id = salt['grains.get']('id') %}
+{%- set roles = salt['nbroles.get'](id) -%}
 
 {{ saltenv }}:
   '*':

salt/_modules/nbroles.py

@@ -0,0 +1,12 @@
+#to-do: tidy this up, make host configurable
+
+import requests
+
+host = 'http://127.0.0.1:5000/roles?machine='
+
+def get(name):
+    req = requests.get(host + name)
+    if req.status_code == 404:
+        return([])
+    if req.status_code == 200:
+        return(req.json()['roles'])

salt/top.sls

@@ -1,5 +1,5 @@
-{% set client_id = salt['grains.get']('id') %}
+{%- set id = salt['grains.get']('id') -%}
-{% set roles = salt['grains.get']('roles', []) %}
+{%- set roles = salt['nbroles.get'](id) -%}
 
 {{ saltenv }}:
   '*':