Documentation: adds ability to build Read the Docs static site.

Signed-off-by: Kevin Putnam <kevin.putnam@intel.com>

.gitignore

@@ -22,3 +22,6 @@ deployments/fpga_admissionwebhook/base/intel-fpga-webhook-certs-secret
 *.gbs.*
 *.aocx
 *.aocx.*
+
+_build
+_work

Makefile

@@ -143,3 +143,28 @@ check-github-actions:
 	(echo "Make sure all images are listed in .github/workflows/ci.yaml"; exit 1)
 
 .PHONY: all format test lint build images $(cmds) $(images) lock-images vendor pre-pull set-version check-github-actions run-operator envtest deploy-operator undeploy-operator
+
+SPHINXOPTS    =
+SPHINXBUILD   = sphinx-build
+SOURCEDIR     = .
+BUILDDIR      = _build
+
+# Generate doc site under _build/html with Sphinx.
+vhtml: _work/venv/.stamp
+	. _work/venv/bin/activate && \
+		$(SPHINXBUILD) -M html "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+		cp docs/index.html $(BUILDDIR)/html/index.html
+
+html:
+		$(SPHINXBUILD) -M html "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+		cp docs/index.html $(BUILDDIR)/html/index.html
+
+clean-html:
+	rm -rf $(BUILDDIR)/html
+
+# Set up a Python3 environment with the necessary tools for document creation.
+_work/venv/.stamp: docs/requirements.txt
+	rm -rf ${@D}
+	python3 -m venv ${@D}
+	. ${@D}/bin/activate && pip install -r $<
+	touch $@

conf.py

@@ -0,0 +1,103 @@
+# Configuration file for the Sphinx documentation builder.
+#
+# This file only contains a selection of the most common options. For a full
+# list see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+# -- Path setup --------------------------------------------------------------
+
+# If extensions (or modules to document with autodoc) are in another directory,
+# add these directories to sys.path here. If the directory is relative to the
+# documentation root, use os.path.abspath to make it absolute, like shown here.
+#
+# import os
+# import sys
+# sys.path.insert(0, os.path.abspath('.'))
+from docutils import nodes
+from os.path import isdir, isfile, join, basename, dirname
+from os import makedirs, getenv
+from shutil import copyfile
+from pygments.lexers.go import GoLexer
+from sphinx.highlighting import lexers
+
+#############
+#
+# Add a special lexer to add a class to console lexer
+#
+#############
+
+class goLangLexer (GoLexer):
+    name = 'golang'
+
+lexers['golang'] = goLangLexer(startinLine=True)
+
+# -- Project information -----------------------------------------------------
+
+project = 'Intel® Device Plugins for Kubernetes'
+copyright = '2020, various'
+author = 'various'
+
+
+##############################################################################
+#
+# This section determines the behavior of links to local items in .md files.
+#
+#  if useGitHubURL == True:
+#
+#     links to local files and directories will be turned into github URLs
+#     using either the baseBranch defined here or using the commit SHA.
+#
+#  if useGitHubURL == False:
+#
+#     local files will be moved to the website directory structure when built
+#     local directories will still be links to github URLs
+#
+#  if built with GitHub workflows:
+#
+#     the GitHub URLs will use the commit SHA (GITHUB_SHA environment variable
+#     is defined by GitHub workflows) to link to the specific commit.
+#
+##############################################################################
+
+baseBranch = "master"
+useGitHubURL = True
+commitSHA = getenv('GITHUB_SHA')
+githubBaseURL = "https://github.com/intel/intel-device-plugins-for-kubernetes/"
+githubFileURL = githubBaseURL + "blob/"
+githubDirURL = githubBaseURL + "tree/"
+if commitSHA:
+    githubFileURL = githubFileURL + commitSHA + "/"
+    githubDirURL = githubDirURL + commitSHA + "/"
+else:
+    githubFileURL = githubFileURL + baseBranch + "/"
+    githubDirURL = githubDirURL + baseBranch + "/"
+
+# -- General configuration ---------------------------------------------------
+
+# Add any Sphinx extension module names here, as strings. They can be
+# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
+# ones.
+extensions = ['recommonmark','sphinx_markdown_tables','sphinx_md']
+source_suffix = {'.rst': 'restructuredtext','.md': 'markdown'}
+
+
+# Add any paths that contain templates here, relative to this directory.
+templates_path = ['_templates']
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+# This pattern also affects html_static_path and html_extra_path.
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store','_work','cmd/fpga_plugin/pictures']
+
+
+# -- Options for HTML output -------------------------------------------------
+
+# The theme to use for HTML and HTML Help pages.  See the documentation for
+# a list of builtin themes.
+#
+html_theme = 'sphinx_rtd_theme'
+
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+#html_static_path = ['_static']

docs/extensions.rst

@@ -0,0 +1,14 @@
+Extensions
+##########
+
+.. toctree::
+
+   ../cmd/fpga_admissionwebhook/README.md
+   ../cmd/fpga_crihook/README.md
+   ../cmd/fpga_plugin/README.md
+   ../cmd/fpga_tool/README.md
+   ../cmd/gpu_plugin/README.md
+   ../cmd/operator/README.md
+   ../cmd/qat_plugin/README.md
+   ../cmd/sgx_plugin/README.md
+   ../cmd/vpu_plugin/README.md

docs/index.html

@@ -0,0 +1 @@
+<meta http-equiv="refresh" content="0; URL='README.html'" />

docs/requirements.txt

@@ -0,0 +1,5 @@
+sphinx
+sphinx_rtd_theme
+recommonmark
+sphinx-markdown-tables
+sphinx-md

index.rst

@@ -0,0 +1,10 @@
+Intel® Device Plugins for Kubernetes
+####################################
+
+.. toctree::
+
+   README.md
+   DEVEL.md
+   docs/extensions.rst
+   demo/readme.md
+   Project GitHub repository <https://github.com/intel/intel-device-plugins-for-kubernetes>