Add config files

Change-Id: I4dc76dff7dfb7ceb2ca92044f564d5baab74c9e5

etc/higgins/README-higgins.conf.txt

@@ -0,0 +1,12 @@
+To generate the sample higgins.conf file, run the following
+command from the top level of the higgins directory:
+
+tox -egenconfig
+
+Or you can generate the sample higgins.conf file in global
+environment, run the following command from the top level
+of the higgins directory:
+
+pip install oslo.config
+oslo-config-generator --config-file \
+                etc/higgins/higgins-config-generator.conf

etc/higgins/higgins-config-generator.conf

@@ -0,0 +1,5 @@
+[DEFAULT]
+output_file = etc/higgins/higgins.conf.sample
+wrap_width = 79
+
+namespace = higgins

etc/higgins/policy.json

@@ -0,0 +1 @@
+{}

higgins/opts.py

@@ -0,0 +1,15 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy
+# of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+def list_opts():
+    return []

requirements.txt

@@ -8,5 +8,6 @@ greenlet>=0.3.2 # MIT
 pbr>=1.6 # Apache-2.0
 pecan>=1.0.0 # BSD
 oslo.i18n>=2.1.0 # Apache-2.0
+oslo.config>=3.9.0 # Apache-2.0
 six>=1.9.0 # MIT
 WebOb>=1.2.3 # MIT

setup.cfg

@@ -43,3 +43,7 @@ input_file = higgins/locale/higgins.pot
 keywords = _ gettext ngettext l_ lazy_gettext
 mapping_file = babel.cfg
 output_file = higgins/locale/higgins.pot
+
+[entry_points]
+oslo.config.opts =
+    higgins = higgins.opts:list_opts

tox.ini

@@ -72,3 +72,7 @@ commands =
 
 install_command = pip install -U --force-reinstall {opts} {packages}
 commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
+
+[testenv:genconfig]
+commands =
+    oslo-config-generator --config-file etc/higgins/higgins-config-generator.conf