Allow codegen to run as non-root user in the Docker container (argopr…

…oj#2032)

Makefile

@@ -70,7 +70,7 @@ codegen-local: protogen clientgen openapigen manifests
 
 .PHONY: codegen
 codegen: dev-tools-image
-	docker run --rm -it -v ${CURRENT_DIR}:/go/src/github.com/argoproj/argo-cd -w /go/src/github.com/argoproj/argo-cd argocd-dev-tools bash -c "GOPATH=/go make codegen-local"
+	docker run --rm -it -u $(shell id -u) -e HOME=/home/user -v ${CURRENT_DIR}:/go/src/github.com/argoproj/argo-cd -w /go/src/github.com/argoproj/argo-cd argocd-dev-tools bash -c "GOPATH=/go make codegen-local"
 
 .PHONY: cli
 cli: clean-debug

hack/Dockerfile.dev-tools

@@ -33,7 +33,8 @@ RUN wget https://storage.googleapis.com/kubernetes-helm/helm-v${HELM_VERSION}-li
     mv /tmp/linux-amd64/helm /usr/local/bin/helm && \
     helm version --client
 
-RUN helm init --client-only
+RUN mkdir -p /home/user && chmod 777 /home/user
+RUN HELM_HOME=/home/user/.helm helm init --client-only
 
 RUN apt-get update && apt-get install -y \
     zip && \
@@ -55,3 +56,5 @@ RUN curl -sLf -C - -o /tmp/jq https://github.com/stedolan/jq/releases/download/j
     cp /tmp/jq /usr/local/bin/jq && \
     chmod +x /usr/local/bin/jq && \
     jq --version
+
+RUN mkdir -p /go/pkg && chmod 777 /go/pkg