Dockerfile.yum

ARG DISTRO_NAME
ARG DISTRO_VERSION
FROM $DISTRO_NAME:$DISTRO_VERSION

LABEL maintainer="javier@netmanagers.com.ar"

# Both args before the `FROM` are repeated here so that they can be used below, as required
# https://docs.docker.com/engine/reference/builder/#understand-how-arg-and-from-interact
ARG DISTRO_NAME
ARG DISTRO_VERSION
ARG SALT_INSTALL_METHOD
ARG SALT_VERSION
ARG PYTHON_VERSION
ARG EXTRA_PACKAGES=""
# Provide packages used by `kitchen-docker` to speed up testing
# These are now expected by the `ssf` customised `kitchen-docker` being used:
# - https://gitlab.com/saltstack-formulas/infrastructure/kitchen-docker/-/compare/master...ssf
ARG KITCHEN_DOCKER_PACKAGES="openssh-clients openssh-server sudo which"
ARG PKGS="${KITCHEN_DOCKER_PACKAGES} git net-tools systemd udev ${EXTRA_PACKAGES}"
ARG SALT_REPO_URL=""

SHELL ["/bin/bash", "-x", "-o", "pipefail", "-c"]
# hadolint ignore=SC1075,SC2016,DL3033,DL3041
RUN if [[ "${DISTRO_NAME}" = "centos" ]]; then \
      # Install EPEL repo for `centos`
      yum -y install epel-release; \
    fi \
 && yum -y install ${PKGS} \
 && yum clean all
ARG CACHEBUST=1
# Install Salt using the bootstrap script (removing the 10 seconds delay to cancel the bootstrap)
RUN curl -L https://raw.githubusercontent.com/saltstack/salt-bootstrap/develop/bootstrap-salt.sh | \
    sed -e '/^\s\+echowarn "You have 10 seconds to cancel and stop the bootstrap process..."/,+2d' | \
    sh -s -- ${SALT_REPO_URL} -XUdfPD -x python$PYTHON_VERSION $SALT_INSTALL_METHOD $SALT_VERSION \
    # Disable Salt's service as we don't need it running
 && if command -v systemctl; then \
      systemctl disable salt-minion.service > /dev/null 2>&1; \
    elif [ -f "/etc/init.d/salt-minion" ]; then \
      /sbin/chkconfig salt-minion off; \
    fi \
    # Use the `LEGACY` crypto policy since Kitchen testing currently relies on
    # this keypair type (make the SSH policy in RedHat-9 behave like RedHat-8)
 && if [ "${DISTRO_VERSION}" = "9" ] || [ "${DISTRO_VERSION}" = "stream9" ]; then \
      dnf -y install crypto-policies-scripts; \
      update-crypto-policies --set LEGACY; \
      dnf clean all; \
    fi \
    # Remove unnecessary getty and udev targets that result in high CPU usage when using
    # multiple containers with Molecule or Kitchen (https://github.com/ansible/molecule/issues/1104)
 && rm -rf /var/cache/{salt,yum} \
           /usr/lib/systemd/system/systemd*udev* \
           /usr/lib/systemd/system/getty.target \
           /tmp/* \
 && (find / ! -path "/{proc,sys,dev}" -name "*.pyc"; \
     find / ! -path "/{proc,sys,dev}" -name "__pycache__"; \
     find /var/log -type f) \
    | grep -v ^/proc | xargs rm -rf \
    # Also obscure any `getty` binaries (https://github.com/moby/moby/issues/4040#issuecomment-339022455)
 && cp /bin/true /sbin/agetty \
 && if [ -e /sbin/mingetty ]; then cp /bin/true /sbin/mingetty; fi