Added ``docs`` environment to tox.ini

Added the new tox environment to build docs.
Fixes in oslo.db documentation building

Change-Id: Icab4f299df3d8a4c40dc4fd7292609109f206afd

3 files changed, 17 insertions, 5 deletions

diff --git a/doc/source/conf.py b/doc/source/conf.py
index 510e579..b79e405 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -30,6 +30,14 @@ extensions = [
 # text edit cycles.
 # execute "export SPHINX_DEBUG=1" in your terminal to disable
 
+# A list of glob-style patterns that should be excluded when looking for source
+# files.
+exclude_patterns = [
+    'api/setup.rst', # workaround for https://launchpad.net/bugs/1260495
+    'api/tests.*',  # avoid of docs generation from tests
+    'api/oslo.db.openstack.common.*',  # skip common modules
+]
+
 # The suffix of source filenames.
 source_suffix = '.rst'
 
@@ -72,4 +80,4 @@ latex_documents = [
 ]
 
 # Example configuration for intersphinx: refer to the Python standard library.
-#intersphinx_mapping = {'http://docs.python.org/': None}
\ No newline at end of file
+#intersphinx_mapping = {'http://docs.python.org/': None}
diff --git a/doc/source/index.rst b/doc/source/index.rst
index 10db04b..037fe74 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -1,7 +1,11 @@
-Welcome to oslo.db's documentation!
-===================================
+Welcome to oslo.db documentation!
+=================================
+
+The Oslo database handling library. Provides database connectivity
+to the different backends and helper utils.
 
 Contents:
+---------
 
 .. toctree::
    :maxdepth: 2
@@ -12,7 +16,7 @@ Contents:
    contributing
 
 Indices and tables
-==================
+------------------
 
 * :ref:`genindex`
 * :ref:`modindex`
diff --git a/doc/source/readme.rst b/doc/source/readme.rst
index 6b2b3ec..a6210d3 100644
--- a/doc/source/readme.rst
+++ b/doc/source/readme.rst
@@ -1 +1 @@
-.. include:: ../README.rst
\ No newline at end of file
+.. include:: ../../README.rst