ARG GOLANG_VERSION=1.16
ARG ALPINE_VERSION=3.14
# 3.14 presents challenges: https://wiki.alpinelinux.org/wiki/Release_Notes_for_Alpine_3.14.0#faccessat2
# while building OPM. 3.13 has no issues
ARG OPM_ALPINE_VERSION=3.13

## Opm

FROM golang:${GOLANG_VERSION}-alpine${OPM_ALPINE_VERSION} as opm

ARG OPM_VERSION=1.19.1
ENV GOPROXY="https://proxy.golang.org/"

RUN apk add --no-cache make gcc musl-dev curl git bash

## on Alpine opm needs to be built from scratch due to glibc vs musl issues
RUN mkdir -p /src \
    && curl -s -L -o /src/operator-registry-${OPM_VERSION}.tgz https://github.com/operator-framework/operator-registry/archive/refs/tags/v${OPM_VERSION}.tar.gz \
    && cd /src \
    && tar -xzf operator-registry-${OPM_VERSION}.tgz \
    && ln -s operator-registry-${OPM_VERSION} operator-registry \
    && cd operator-registry \
    && make bin/opm

## Kustomize
FROM golang:${GOLANG_VERSION}-alpine${ALPINE_VERSION} as kustomize

ARG KUSTOMIZE_VERSION=3.8.10
ENV GOPROXY="https://proxy.golang.org/"

RUN apk add --no-cache gcc musl-dev
RUN mkdir /src && cd /src; \
      go mod init tmp && \
      go get sigs.k8s.io/kustomize/kustomize/v3@v${KUSTOMIZE_VERSION}

## Controller-gen
FROM golang:${GOLANG_VERSION}-alpine${ALPINE_VERSION} as controller-gen

ARG CONTROLLER_GEN_VERSION=0.7.0
ENV GOPROXY="https://proxy.golang.org/"

RUN mkdir /src && cd /src; \
    go mod init tmp \
	  && go get sigs.k8s.io/controller-tools/cmd/controller-gen@v${CONTROLLER_GEN_VERSION} 

## Build
FROM golang:${GOLANG_VERSION}-alpine${ALPINE_VERSION} as build

LABEL maintainer="GitLab Distribution Team" \
      description="Build base image for the GitLab Operator project."

ARG KUBERNETES_VERSION=1.21.4
ARG KUBEBUILDER_VERSION=3.2.0
ARG YQ_VERSION=4.7.0
ARG HELM_VERSION=3.5.2
ARG OPERATORSDK_VERSION=1.14.0
# ARG OPM_VERSION=1.19.0

RUN apk add --no-cache podman buildah curl make gcc musl-dev git bash coreutils

# make VFS podman's default storage driver to
# accomodate running podman within docker
RUN sed -i 's#^driver.*$#driver = "vfs"#g' /etc/containers/storage.conf

RUN go get -u \
        github.com/onsi/ginkgo/ginkgo \
        golang.org/x/lint/golint 

# Kubebuilder
RUN mkdir -p /usr/local/kubebuilder/bin \
    && curl --retry 6 -Ls -o /usr/local/kubebuilder/bin/kubebuilder \
      https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${KUBEBUILDER_VERSION}/kubebuilder_linux_amd64 \
    && curl --retry 6 -Ls "https://go.kubebuilder.io/test-tools/${KUBERNETES_VERSION}/linux/amd64" | tar -xz -C /usr/local/kubebuilder --strip-components=1 \
    && chmod +x /usr/local/kubebuilder/bin/* \
    && ln -sfv /usr/local/kubebuilder/bin/* /usr/local/bin

# Yq
RUN curl --retry 6 -LsO https://github.com/mikefarah/yq/releases/download/v${YQ_VERSION}/yq_linux_amd64 \
    && chmod +x yq_linux_amd64 \
    && mv yq_linux_amd64 /usr/local/bin/yq

# Helm
RUN curl --retry 6 -Ls "https://get.helm.sh/helm-v${HELM_VERSION}-linux-amd64.tar.gz" | tar -xz -C /tmp/ \
    && chmod +x /tmp/linux-amd64/helm \
    && mv /tmp/linux-amd64/helm /usr/local/bin/helm

# Opm
COPY --from=opm /src/operator-registry/bin/opm /usr/local/bin/opm

# Operator-SDK
RUN curl -o /usr/local/bin/operator-sdk_linux_amd64 -L \
        https://github.com/operator-framework/operator-sdk/releases/download/v${OPERATORSDK_VERSION}/operator-sdk_linux_amd64 \
    ; chmod +x /usr/local/bin/operator-sdk_linux_amd64 ; ln -s /usr/local/bin/operator-sdk_linux_amd64 /usr/local/bin/operator-sdk

# Kustomize
COPY --from=kustomize /go/bin/kustomize /usr/local/bin/kustomize
# Controller-gen
COPY --from=controller-gen /go/bin/controller-gen /usr/local/bin/controller-gen

## Final image
FROM golang:${GOLANG_VERSION}-alpine${ALPINE_VERSION}
LABEL maintainer="GitLab Distribution Team" \
      description="Build base image for the GitLab Operator project."
COPY --from=build / /