Follow the new PTI for document build

For compliance with the Project Testing Interface as described in:
[1] https://governance.openstack.org/tc/reference/project-testing-interface.html
[2] http://lists.openstack.org/pipermail/openstack-dev/2017-December/125710.html
[3] http://lists.openstack.org/pipermail/openstack-dev/2018-March/128594.html

Change-Id: I06d510a44b9e8c0024f5e41f10f4446e18bf86cc

6 files changed, 21 insertions, 23 deletions

diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000..67530ff
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,7 @@
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
+openstackdocstheme>=1.18.1 # Apache-2.0
+reno>=2.5.0 # Apache-2.0
+sphinxcontrib-apidoc>=0.2.0  # BSD
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 64ff8e6..3ff6345 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -23,7 +23,8 @@ sys.path.insert(0, os.path.abspath('../..'))
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc', 'openstackdocstheme']
+extensions = ['openstackdocstheme',
+              'sphinxcontrib.apidoc']
 
 # openstackdocstheme options
 repository_name = 'openstack/glance_store'
@@ -31,6 +32,14 @@ bug_project = 'glance-store'
 bug_tag = ''
 html_last_updated_fmt = '%Y-%m-%d %H:%M'
 
+# sphinxcontrib.apidoc options
+apidoc_module_dir = '../../glance_store'
+apidoc_output_dir = 'reference/api'
+apidoc_excluded_paths = [
+    'test',
+    'tests/*']
+apidoc_separate_modules = True
+
 # autodoc generation is a bit aggressive and a nuisance when doing heavy
 # text edit cycles.
 # execute "export SPHINX_DEBUG=1" in your terminal to disable
diff --git a/doc/source/reference/index.rst b/doc/source/reference/index.rst
index c654ff7..ca24b39 100644
--- a/doc/source/reference/index.rst
+++ b/doc/source/reference/index.rst
@@ -5,4 +5,4 @@
 .. toctree::
    :maxdepth: 1
 
-   api/autoindex
+   api/modules
diff --git a/setup.cfg b/setup.cfg
index bc800dc..226d5e7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -64,21 +64,6 @@ cinder =
   oslo.rootwrap>=5.8.0 # Apache-2.0
   oslo.privsep>=1.23.0 # Apache-2.0
 
-[build_sphinx]
-source-dir = doc/source
-build-dir = doc/build
-all_files = 1
-warning-is-error = 1
-
-[pbr]
-autodoc_index_modules = True
-api_doc_dir = reference/api
-autodoc_exclude_modules =
-  glance_store.tests.*
-
-[upload_sphinx]
-upload-dir = doc/build/html
-
 [compile_catalog]
 directory = glance_store/locale
 domain = glance_store
diff --git a/test-requirements.txt b/test-requirements.txt
index f91942e..0b0d6f8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -19,11 +19,6 @@ oslotest>=3.2.0 # Apache-2.0
 os-testr>=1.0.0 # Apache-2.0
 bandit>=1.1.0 # Apache-2.0
 
-# this is required for the docs build jobs
-sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
-openstackdocstheme>=1.18.1 # Apache-2.0
-reno>=2.5.0 # Apache-2.0
-
 # Dependencies for each of the optional stores
 oslo.vmware>=2.17.0 # Apache-2.0
 httplib2>=0.9.1 # MIT
diff --git a/tox.ini b/tox.ini
index 733351c..e146b6e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,10 +15,12 @@ commands = ostestr --slowest {posargs}
 
 [testenv:docs]
 basepython = python3
-commands = python setup.py build_sphinx
+deps = -r{toxinidir}/doc/requirements.txt
+commands = sphinx-build -W -b html doc/source doc/build/html
 
 [testenv:releasenotes]
 basepython = python3
+deps = -r{toxinidir}/doc/requirements.txt
 commands = sphinx-build -a -E -W -d releasenotes/build/.doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:pep8]