RAML now has trailing slashes manually appended to all paths

Signed-off-by: Bill Robinson <dseevr@users.noreply.github.com>

scripts/build.sh

@@ -15,7 +15,24 @@ docker run --rm \
 mv spec/netmaster.raml ./spec/contiv/libraries/netmaster.raml
 
 # run the raml2html tool to generate docs under spec/docs
-cd spec
+pushd spec
 make docs
 mkdir -p docs
 mv contiv.html docs/
+popd
+
+# RAML doesn't currently support trailing slashes so we add them manually here
+
+# altering the HTML requires a gem called Nokogiri
+# create a tiny docker image so we don't have to reinstall Nokogiri every time
+IMAGE_NAME="raml_trailing_slashes"
+
+if [[ "$(docker images -q $IMAGE_NAME:latest 2>/dev/null)" == "" ]]; then
+    docker build -t $IMAGE_NAME -f spec/Dockerfile.raml_trailing_slashes .
+fi
+
+docker run --rm \
+       -u $(id -u):$(id -g) \
+       -v $(pwd):/files \
+       -w /files/spec \
+       $IMAGE_NAME /usr/local/bin/ruby raml_trailing_slashes.rb

spec/Dockerfile.raml_trailing_slashes

@@ -0,0 +1,5 @@
+FROM ruby:2.4.0-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get -y install build-essential && gem install nokogiri

spec/raml_trailing_slashes.rb

@@ -0,0 +1,19 @@
+#!/usr/bin/env ruby
+# encoding: utf-8
+
+require "nokogiri"
+
+FILENAME = "docs/contiv.html"
+
+doc = Nokogiri::HTML(File.read(FILENAME))
+
+node_groups = [
+  doc.css(".panel-title a").select { |n| n.text.start_with?("/") },
+  doc.css(".modal-title"),
+]
+
+node_groups.flatten.each do |node|
+  node.children.last.content = node.children.last.text + "/"
+end
+
+File.write(FILENAME, doc.to_html)