Generate PDF documentation

This commit adds a new tox target to build PDF documentation.
It's a part of community goal, see storyboard for more
information.

Change-Id: I66add3b35283fdb6337b6dad9d79e852984d471f
Story: 2006078
Task: 34824

doc/requirements.txt

@@ -0,0 +1,2 @@
+openstackdocstheme>=1.30.0 # Apache-2.0
+sphinxcontrib-svg2pdfconverter>=0.1.0 # BSD

doc/source/conf.py

@@ -23,7 +23,8 @@ sys.path.insert(0, os.path.abspath('../..'))
 extensions = [
     'sphinx.ext.autodoc',
     #'sphinx.ext.intersphinx',
-    'openstackdocstheme'
+    'openstackdocstheme',
+    'sphinxcontrib.rsvgconverter',
 ]
 
 # openstackdocstheme options
@@ -73,10 +74,21 @@ htmlhelp_basename = '%sdoc' % project
 # [howto/manual]).
 latex_documents = [
     ('index',
-     '%s.tex' % project,
-     u'%s Documentation' % project,
-     u'OpenStack Foundation', 'manual'),
+     'doc-designate-dashboard.tex',
+     u'Designate Dashboard Documentation',
+     u'OpenStack Foundation', 'manual', True),
 ]
 
+latex_domain_indices = False
+
+latex_elements = {
+    # Additional stuff for the LaTeX preamble.
+    # openany: Skip blank pages in generated PDFs
+    'extraclassoptions': 'openany,oneside',
+    'makeindex': '',
+    'printindex': '',
+    'preamble': r'\setcounter{tocdepth}{3}',
+}
+
 # Example configuration for intersphinx: refer to the Python standard library.
 #intersphinx_mapping = {'http://docs.python.org/': None}

tox.ini

@@ -41,7 +41,18 @@ commands =
 
 [testenv:docs]
 basepython = python3
-commands = python setup.py build_sphinx
+deps = -r{toxinidir}/doc/requirements.txt
+commands = sphinx-build -W -b html -d doc/build/doctrees doc/source doc/build/html
+
+[testenv:pdf-docs]
+basepython = python3
+deps = -r{toxinidir}/doc/requirements.txt
+envdir = {toxworkdir}/docs
+whitelist_externals =
+  make
+commands =
+  sphinx-build -W -b latex doc/source doc/build/pdf
+  make -C doc/build/pdf
 
 [flake8]
 # E123, E125 skipped as they are invalid PEP-8.