Build pdf doc

The is one of community goals that each project could produce a
single PDF file. The pdf should be in the output of openstack-tox-docs
job.

TeX packages are required to build PDF locally, following is recommended:

* inkscape
* texlive-latex-base
* texlive-latex-extra
* texlive-fonts-recommended

More about the goal:
https://governance.openstack.org/tc/goals/train/pdf-doc-generation.html
https://etherpad.openstack.org/p/train-pdf-support-goal
https://etherpad.openstack.org/p/pdf-goal-train-common-problems

Change-Id: I8ebbe9ea1bb2914061a8307f3edfabab166a3c38
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 114d4b0..87b00c8 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -40,7 +40,6 @@
 master_doc = 'index'
 
 # General information about the project.
-project = u'ironic-tempest-plugin'
 copyright = u'2016, OpenStack Foundation'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
@@ -62,15 +61,15 @@
 html_theme = 'openstackdocs'
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = '%sdoc' % project
+htmlhelp_basename = 'ironic-tempest-plugindoc'
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass
 # [howto/manual]).
 latex_documents = [
     ('index',
-     '%s.tex' % project,
-     u'%s Documentation' % project,
+     'doc-ironic-tempest-plugin.tex',
+     u'Ironic Tempest Plugin Documentation',
      u'OpenStack Foundation', 'manual'),
 ]
 
diff --git a/test-requirements.txt b/test-requirements.txt
index b5667d2..fb97fc6 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,6 +6,6 @@
 
 sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7' # BSD
 sphinx!=1.6.6,!=1.6.7,>=1.6.2;python_version>='3.4' # BSD
-openstackdocstheme>=1.18.1 # Apache-2.0
+openstackdocstheme>=1.20.0 # Apache-2.0
 
 reno>=2.5.0 # Apache-2.0
diff --git a/tox.ini b/tox.ini
index d686ee9..c81582c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,6 +28,12 @@
 basepython = python3
 commands = python setup.py build_sphinx
 
+[testenv:pdf-docs]
+basepython = python3
+whitelist_externals = make
+commands = sphinx-build -b latex doc/source doc/build/pdf
+           make -C doc/build/pdf
+
 [testenv:debug]
 basepython = python3
 commands = oslo_debug_helper {posargs}