kubekey/hack/gen-repository-iso/dockerfile.centos7

FROM centos:7 as centos7

ARG TARGETARCH
ARG CENTOS_VERSION=7.9.2009
ARG DIR=centos7-amd64-rpms
ARG PKGS=".common[],.rpms[]"
ARG BUILD_TOOLS="createrepo genisoimage"

ENV LANG=en_US.UTF-8
ENV LC_ALL=en_US.UTF-8

RUN if [ "$TARGETARCH" = "amd64" ]; then \
        echo "[base]" > /etc/yum.repos.d/CentOS-Base.repo && \
        echo "name=CentOS-Base" >> /etc/yum.repos.d/CentOS-Base.repo && \
        echo "baseurl=http://vault.centos.org/${CENTOS_VERSION}/os/x86_64/" >> /etc/yum.repos.d/CentOS-Base.repo && \
        echo "enabled=1" >> /etc/yum.repos.d/CentOS-Base.repo && \
        echo "gpgcheck=0" >> /etc/yum.repos.d/CentOS-Base.repo && \
        yum clean all && yum makecache && \
        yum install -y $BUILD_TOOLS && yum clean all; \
    else \
        echo "Skipping yum setup for $TARGETARCH"; \
    fi

WORKDIR /package
COPY packages.yaml .
COPY --from=mikefarah/yq:4.11.1 /usr/bin/yq /usr/bin/yq

RUN if [ "$TARGETARCH" = "amd64" ]; then \
        mkdir -p ${DIR} && \
        yq eval "${PKGS}" packages.yaml | while read pkg; do \
            if [ -n "$pkg" ]; then \
                echo "Processing $pkg..."; \
                yum install -y --downloadonly --downloaddir=${DIR} $pkg || echo "not found: $pkg"; \
            fi; \
        done && \
        createrepo ${DIR} && \
        genisoimage -r -o ${DIR}.iso ${DIR}; \
    else \
        echo "Skipping package download for $TARGETARCH"; \
    fi

FROM scratch
COPY --from=centos7 /package/*.iso /