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: I8b42ab0f057cb33c1ec93adfa32c45aafc2730b0

doc/source/conf.py

@@ -26,7 +26,6 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Ironic Lib'
 copyright = u'OpenStack Foundation'
 
 # The version info for the project you're documenting, acts as replacement for
@@ -64,15 +63,12 @@ html_theme = 'openstackdocs'
 
 # openstackdocstheme options
 repository_name = 'openstack/ironic-lib'
-bug_project = 'ironic-lib'
-bug_tag = ''
-
-# Must set this variable to include year, month, day, hours, and minutes.
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
+use_storyboard = True
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = '%sdoc' % project
+htmlhelp_basename = 'ironic-libdoc'
 
+latex_use_xindy = False
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass
@@ -80,8 +76,8 @@ htmlhelp_basename = '%sdoc' % project
 latex_documents = [
     (
         'index',
-        '%s.tex' % project,
-        u'%s Documentation' % project,
+        'doc-ironic-lib.tex',
+        u'Ironic Lib Documentation',
         u'OpenStack Foundation',
         'manual'
     ),

lower-constraints.txt

@@ -29,7 +29,7 @@ mox3==0.20.0
 msgpack-python==0.4.0
 netaddr==0.7.18
 netifaces==0.10.4
-openstackdocstheme==1.18.1
+openstackdocstheme==1.20.0
 os-client-config==1.28.0
 os-testr==1.0.0
 oslo.concurrency==3.26.0

test-requirements.txt

@@ -16,4 +16,4 @@ testtools>=2.2.0 # MIT
 doc8>=0.6.0 # Apache-2.0
 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

tox.ini

@@ -60,6 +60,15 @@ envdir = {toxworkdir}/venv
 commands =
   python setup.py build_sphinx
 
+[testenv:pdf-docs]
+whitelist_externals = make
+basepython = python3
+setenv = PYTHONHASHSEED=0
+sitepackages = False
+envdir = {toxworkdir}/venv
+commands = sphinx-build -b latex doc/source doc/build/pdf
+           make -C doc/build/pdf
+
 [testenv:lower-constraints]
 basepython = python3
 deps =