Switch to newer openstackdocstheme and reno versions

Switch to openstackdocstheme 2.2.1 and reno 3.1.0 versions. Using
these versions will allow especially:
* Linking from HTML to PDF document
* Allow parallel building of documents

Update Sphinx version as well.

Remove docs requirements from lower-constraints, they are not needed
during install or test but only for docs building.

openstackdocstheme renames some variables, so follow the renames
before the next release removes them. A couple of variables are also
not needed anymore, remove them.

Set openstackdocs_pdf_link to link to PDF file. Note that
the link to the published document only works on docs.openstack.org
where the PDF file is placed in the top-level html directory. The
site-preview places the PDF in a pdf directory.

Set openstackdocs_auto_name to use 'project' as name.

Co-Authored-By: Andreas Jaeger <aj@suse.com>
Change-Id: If23546ac4cc2c19626e05b460651b61d5e82d948

doc/requirements.txt

@@ -5,7 +5,7 @@
 # changes how packages are installed.  New dependencies should be
 # added in alphabetical order, however, some dependencies may need to
 # be installed in a specific order.
-openstackdocstheme>=1.19.0 # Apache-2.0
-reno>=2.5.0 # Apache-2.0
-sphinx>=1.8.0,!=2.1.0 # BSD
+openstackdocstheme>=2.2.1 # Apache-2.0
+reno>=3.1.0 # Apache-2.0
+sphinx>=2.0.0,!=2.1.0 # BSD
 sphinxcontrib-svg2pdfconverter>=0.1.0 # BSD

doc/source/conf.py

@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from kolla_ansible.version import version_info as kolla_version
 import os
 import sys
 
@@ -41,16 +40,6 @@ master_doc = 'index'
 project = u'kolla-ansible'
 copyright = u'2013, OpenStack Foundation'
 
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-# The full version, including alpha/beta/rc tags.
-release = kolla_version.version_string_with_vcs()
-# The short X.Y version.
-version = kolla_version.canonical_version_string()
-
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = True
 
@@ -76,9 +65,6 @@ html_theme_options = {
 # Output file base name for HTML help builder.
 htmlhelp_basename = '%sdoc' % project
 
-# Must set this variable to include year, month, day, hours, and minutes.
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
-
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass
 # [howto/manual]).
@@ -93,9 +79,10 @@ latex_documents = [
 latex_use_xindy = False
 
 # openstackdocstheme options
-repository_name = 'openstack/kolla-ansible'
-bug_project = 'kolla-ansible'
-bug_tag = ''
+openstackdocs_repo_name = 'openstack/kolla-ansible'
+openstackdocs_pdf_link = True
+openstackdocs_bug_project = 'kolla-ansible'
+openstackdocs_bug_tag = ''
 openstack_projects = [
     'bifrost',
     'cinder',

lower-constraints.txt

@@ -43,7 +43,6 @@ msgpack==0.5.6
 munch==2.2.0
 netaddr==0.7.18
 netifaces==0.10.6
-openstackdocstheme==1.18.1
 openstacksdk==0.12.0
 os-client-config==1.29.0
 os-service-types==1.2.0
@@ -69,7 +68,6 @@ python-mimeparse==1.6.0
 python-subunit==1.2.0
 pytz==2013.6
 PyYAML==3.12
-reno==2.5.0
 requests==2.18.4
 requestsexceptions==1.4.0
 restructuredtext-lint==1.1.3
@@ -78,8 +76,6 @@ simplejson==3.13.2
 six==1.10.0
 smmap2==2.0.3
 snowballstemmer==1.2.1
-Sphinx==1.8.0
-sphinxcontrib-websupport==1.0.1
 sphinxcontrib-svg2pdfconverter==0.1.0
 stevedore==1.28.0
 stestr==2.0.0

releasenotes/source/conf.py

@@ -32,6 +32,12 @@ extensions = [
     'reno.sphinxext',
 ]
 
+# openstackdocstheme options
+openstackdocs_repo_name = 'openstack/kolla-ansible'
+openstackdocs_bug_project = 'kolla-ansible'
+openstackdocs_bug_tag = ''
+openstackdocs_auto_name = False
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
@@ -134,10 +140,6 @@ html_static_path = ['_static']
 # directly to the root of the documentation.
 # html_extra_path = []
 
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
-
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
 # html_use_smartypants = True