docs: Fix venv under python3

See ticket for output under containers for each distro.

Ticket: VPP-1851
Type: docs

Change-Id: I0d80dabeb30d92d09edffa503b05d5eef08313dc
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>

5 files changed, 32 insertions, 19 deletions

diff --git a/docs/Makefile b/docs/Makefile
index 4e8f1634b21..6c5960d18c4 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -8,9 +8,8 @@ endif
 # Work out the OS if we haven't already
 OS_ID ?= $(shell grep '^ID=' /etc/os-release | cut -f2- -d= | sed -e 's/\"//g')
 
-DOC_DEB_DEPENDS = enchant libenchant-dev
-DOC_RPM_DEPENDS = enchant libenchant-dev
-
+DOC_DEB_DEPENDS = enchant
+DOC_RPM_DEPENDS = enchant
 
 # You can set these variables from the command line.
 SPHINXOPTS    =
@@ -28,6 +27,9 @@ help:
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+spell:
 	@echo "Checking whether dependencies for Docs are installed..."
 ifeq ($(OS_ID),ubuntu)
 	@set -e; inst=; \
@@ -41,7 +43,4 @@ ifeq ($(OS_ID),ubuntu)
 else ifneq ("$(wildcard /etc/redhat-release)","")
 	@sudo yum install $(CONFIRM) $(DOC_RPM_DEPENDS)
 endif
-# Disable spell checking for now
-#	@python3 -m pip install sphinxcontrib-spelling
-#	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" -W -b spelling  $(O)
-	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" -W -b spelling  $(O)
diff --git a/docs/conf.py b/docs/conf.py
index 771a4d0883e..da8c223f27a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -40,10 +40,8 @@ release = u'20.01'
 extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.viewcode',
-    'recommonmark']
-
-# This is currently breaking the build
-####    'sphinxcontrib.spelling']
+    'recommonmark',
+    'sphinxcontrib.spelling']
 
 spelling_word_list_filename = 'spelling_wordlist.txt'
 # Add any paths that contain templates here, relative to this directory.
diff --git a/docs/etc/requirements.txt b/docs/etc/requirements.txt
index bbbe2c25698..2df8080ef58 100644
--- a/docs/etc/requirements.txt
+++ b/docs/etc/requirements.txt
@@ -13,6 +13,7 @@ jsonschema==3.2.0
 MarkupSafe==1.1.1
 packaging==20.3
 pyaml==20.3.1
+pyenchant==3.0.1
 Pygments==2.6.1
 pyparsing==2.4.6
 pyrsistent==0.15.7
@@ -30,5 +31,6 @@ sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
+sphinxcontrib-spelling==4.3.0
 urllib3==1.25.8
 zipp==3.1.0
diff --git a/docs/scripts/sphinx-make.sh b/docs/scripts/sphinx-make.sh
index 36596f219f5..61356bb1b8f 100755
--- a/docs/scripts/sphinx-make.sh
+++ b/docs/scripts/sphinx-make.sh
@@ -1,20 +1,34 @@
-#!/bin/bash
+#!/bin/bash -ex
+
+# Not refactored to root Makefile because CI calls this from
+# makefile in /docs (as if 'make -C docs').
+if [ -z "$PYTHON" ]
+then
+PYTHON_INTERP=python3
+else
+PYTHON_INTERP=$(PYTHON)
+fi
+
+# Get the OS
+OS_ID=$(grep '^ID=' /etc/os-release  | cut -f2- -d= | sed -e 's/\"//g')
 
 if [ "$1" == "venv" ]
 then
-    OS_ID=$(grep '^ID=' /etc/os-release  | cut -f2- -d= | sed -e 's/\"//g')
+    # We need to install the venv package on new systems
     if [ "$OS_ID" == "ubuntu" ]
     then
-	sudo apt-get install -y python3-pip
+	sudo apt-get install $CONFIRM python3-venv
     fi
     if [ "$OS_ID" == "centos" ]
     then
-	sudo yum install -y python3-pip
+	sudo yum install $CONFIRM python3-venv
     fi
-    pip3 install --user virtualenv
-    python3 -m virtualenv $VENV_DIR
+
+    # Install the virtual environment
+    $PYTHON_INTERP -m venv $VENV_DIR
     source $VENV_DIR/bin/activate;
-    pip3 install -r $DOCS_DIR/etc/requirements.txt
+    $PYTHON_INTERP -m pip install wheel==0.34.2
+    $PYTHON_INTERP -m pip install -r $DOCS_DIR/etc/requirements.txt
 else
     source $VENV_DIR/bin/activate;
     VERSION=`source $WS_ROOT/src/scripts/version`
diff --git a/docs/whatisvpp/performance.rst b/docs/whatisvpp/performance.rst
index 9b0fb21bb71..d7af24a3909 100644
--- a/docs/whatisvpp/performance.rst
+++ b/docs/whatisvpp/performance.rst
@@ -32,7 +32,7 @@ Continuous System Integration and Testing (CSIT)
 ------------------------------------------------
 
 The Continuous System Integration and Testing (CSIT) project provides functional and performance
-testing for FD.io VPP. This testing is focused on functional and performance regresssions. The results
+testing for FD.io VPP. This testing is focused on functional and performance regressions. The results
 are posted to `CSIT Test Report <https://docs.fd.io/csit/master/report/>`_.
 
 For more about CSIT checkout the following links: