Support generating config automatically

Change-Id: I245cd34d595293556b7c9b006ea912d0ad562e95

distil/config.py

@@ -98,6 +98,15 @@ CONF.register_opts(COLLECTOR_OPTS, group=COLLECTOR_GROUP)
 CONF.register_opts(RATER_OPTS, group=RATER_GROUP)
 
 
+def list_opts():
+    return [
+        (ODOO_GROUP, ODOO_OPTS),
+        (COLLECTOR_GROUP, COLLECTOR_OPTS),
+        (RATER_GROUP, RATER_OPTS),
+        (None, DEFAULT_OPTIONS)
+    ]
+
+
 def _register_keystoneauth_opts(conf):
     # Register keystone authentication related options.
     from keystonemiddleware import auth_token  # noqa

etc/os-config-generator/distil.conf

@@ -0,0 +1,8 @@
+[DEFAULT]
+output_file = etc/distil.conf.sample
+namespace = distil.config
+namespace = oslo.db
+namespace = oslo.log
+namespace = oslo.messaging
+namespace = oslo.policy
+namespace = keystonemiddleware.auth_token

setup.cfg

@@ -31,6 +31,9 @@ console_scripts =
     distil-collector = distil.cmd.distil_collector:main
     distil-db-manage = distil.db.migration.cli:main
 
+oslo.config.opts =
+    distil.config = distil.config:list_opts
+
 distil.collector =
     ceilometer = distil.collector.ceilometer:CeilometerCollector
 

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py26,py27,py33,pep8
+envlist = py34,py27,pep8
 minversion = 1.6
 skipsdist = True
 
@@ -42,6 +42,10 @@ commands =
 setenv = VIRTUAL_ENV={envdir}
 commands = bash tools/lintstack.sh
 
+[testenv:genconfig]
+commands =
+  oslo-config-generator --config-file etc/os-config-generator/distil.conf --output-file etc/distil.conf.sample
+
 [flake8]
 ignore = F401,H302,H305,H306,H307,H404,H405
 show-source = true