Run kubeval to validate K8S spec files

Signed-off-by: Marco Pracucci <[email protected]>

Author: pracucci

Makefile

@@ -123,6 +123,10 @@ lint:
 	misspell -error docs
 	golangci-lint run --new-from-rev ed7c302fd968 --build-tags netgo --timeout=5m --enable golint --enable misspell --enable gofmt
 
+	# Validate Kubernetes spec files. Requires:
+	# https://kubeval.instrumenta.dev
+	kubeval ./k8s/*
+
 test:
 	./tools/test -netgo
 

build-image/Dockerfile

@@ -20,6 +20,12 @@ RUN GO111MODULE=on go get -tags netgo \
 		github.com/gogo/protobuf/[email protected] && \
 	rm -rf /go/pkg /go/src
 
+ENV KUBEVAL_VERSION=0.14.0
+RUN curl -Ls https://github.com/instrumenta/kubeval/releases/download/${KUBEVAL_VERSION}/kubeval-linux-amd64.tar.gz -o /tmp/kubeval-linux-amd64.tar.gz && \
+	tar -xf /tmp/kubeval-linux-amd64.tar.gz -C /tmp && \
+	cp /tmp/kubeval /usr/local/bin && \
+	rm -f /tmp/kubeval*
+
 ENV NODE_PATH=/usr/lib/node_modules
 COPY build.sh /
 ENV GOCACHE=/go/cache