move xsce_env.py.j2 to prep.yml

roles/1-prep/tasks/prep.yml

@@ -40,6 +40,10 @@
             group=root
             mode=0644
 
+- name: put a python interface to xsce.env
+  template: src=xsce_env.py
+            dest=/etc/xsce/xsce_env.py
+
 - name: create ansible.d facts directory
   file: path=/etc/ansible/facts.d
         owner=root

roles/1-prep/templates/xsce_env.py.j2

@@ -0,0 +1,27 @@
+#!/usr/bin/python
+# read xsce.env from python
+
+def get_xsce_env(name):
+   """ read xsce.env file for a value, return "" if does not exist"""
+   try:
+      fd = open("/etc/xsce/xsce.env","r")
+      for line in fd:
+         line = line.lstrip()
+         line = line.rstrip('\n')
+         if len(line) == 0:
+            continue
+         if line[0] == "#":
+            continue
+         if line.find("=") == -1:
+            continue
+         chunks = line.split('=')
+         if chunks[0] == name:
+            return chunks[1]
+      return("")
+   except:
+      return("")
+   finally:
+      fd.close()
+
+if __name__ == "__main__":
+   print(get_xsce_env("WWWROOT"))