add auto-generated docs for config options

Add automatically generated documentation for the configuration options
using oslo_config.sphinxext.

Change-Id: Ie698129e855dd35b2d0a4a1be625c2137f15f5e7

doc/source/conf.py

@@ -22,8 +22,8 @@ sys.path.insert(0, os.path.abspath('../..'))
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
     'sphinx.ext.autodoc',
-    #'sphinx.ext.intersphinx',
-    'oslosphinx'
+    'oslosphinx',
+    'oslo_config.sphinxext',
 ]
 
 # autodoc generation is a bit aggressive and a nuisance when doing heavy

doc/source/index.rst

@@ -9,6 +9,7 @@ Library for running OpenStack services
 
    installation
    usage
+   opts
    contributing
    history
 

doc/source/opts.rst

@@ -0,0 +1,36 @@
+=======================
+ Configuration Options
+=======================
+
+oslo.service uses oslo.config to define and manage configuration options
+to allow the deployer to control how an application uses this library.
+
+periodic_task
+=============
+
+These options apply to services using the periodic task features of
+oslo.service.
+
+.. show-options:: oslo.service.periodic_task
+
+service
+=======
+
+These options apply to services using the basic service framework.
+
+.. show-options:: oslo.service.service
+
+sslutils
+========
+
+These options apply to services using the SSL utilities module.
+
+.. show-options:: oslo.service.sslutils
+
+wsgi
+====
+
+These options apply to services using the WSGI (Web Service Gateway
+Interface) module.
+
+.. show-options:: oslo.service.wsgi