Add configuration page to docs

This page was missing. Added also tox env to generate config.

Change-Id: I8d8ed95ec603ea143a24d28dc92fa55600e0274e

doc/source/configuration/config.rst

@@ -0,0 +1,14 @@
+=======================
+Configuration Reference
+=======================
+
+This section provides a list of all configuration options for OVN Octavia
+provider. These are auto-generated from OVN Octavia provider code when
+this documentation is built.
+
+Configuration filenames used below are filenames usually used, but there
+is no restriction on configuration filename and you can use
+arbitrary file names.
+
+.. show-options::
+   :config-file: etc/oslo-config-generator/ovn.conf

doc/source/configuration/index.rst

@@ -0,0 +1,10 @@
+.. _configuring:
+
+===================
+Configuration Guide
+===================
+
+.. toctree::
+   :maxdepth: 1
+
+   config

doc/source/index.rst

@@ -28,6 +28,7 @@ Contents
 
    admin/index
    contributor/index
+   configuration/index
 
 Search
 ------

etc/oslo-config-generator/ovn.conf

@@ -0,0 +1,5 @@
+[DEFAULT]
+output_file = etc/octavia/conf.d/ovn.conf.sample
+wrap_width = 79
+
+namespace = octavia.api.drivers.ovn

setup.cfg

@@ -30,3 +30,6 @@ setup-hooks =
 [entry_points]
 octavia.api.drivers =
     ovn = ovn_octavia_provider.driver:OvnProviderDriver
+
+oslo.config.opts =
+    octavia.api.drivers.ovn = ovn_octavia_provider.common.config:list_opts

tools/generate_config_file_samples.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+#
+# 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.
+
+set -e
+
+GEN_CMD=oslo-config-generator
+
+if ! type "$GEN_CMD" > /dev/null; then
+    echo "ERROR: $GEN_CMD not installed on the system."
+    exit 1
+fi
+
+for file in `ls etc/oslo-config-generator/*`; do
+    $GEN_CMD --config-file=$file
+done

tox.ini

@@ -29,6 +29,7 @@ commands = flake8
            {toxinidir}/tools/check_unit_test_structure.sh
            {toxinidir}/tools/coding-checks.sh --pylint '{posargs}'
            {[testenv:bandit]commands}
+           {[testenv:genconfig]commands}
 
 [testenv:venv]
 commands = {posargs}
@@ -109,6 +110,10 @@ show-source = True
 exclude=./.*,dist,doc,*egg*,build,releasenotes
 import-order-style = pep8
 
+[testenv:genconfig]
+envdir = {toxworkdir}/shared
+commands = {toxinidir}/tools/generate_config_file_samples.sh
+
 [hacking]
 import_exceptions = ovn_octavia_provider.i18n
 local-check-factory = neutron_lib.hacking.checks.factory