FROM alpine:latest as dist
LABEL maintainer aynic.os <support+docker@asycn.io>
ARG DOCKER_BUILD_DIR

RUN apk --no-cache add libffi openssl python3 py3-pip py3-netifaces

RUN apk --no-cache add --virtual .build-deps \
        build-base \
        libffi-dev \
        openssl-dev \
        python3-dev \
 && pip install --upgrade pip \
 && pip install python-openstackclient \
 && apk del .build-deps

RUN apk --no-cache upgrade

ENTRYPOINT ["/usr/bin/openstack"]
CMD ["help"]

FROM dist as master
ARG DOCKER_BUILD_DIR
ARG UID
ARG USER
ENV UID=${UID}
ENV GID=${UID}
ENV USER=${USER}

# If we provide a numeric UID
RUN [ "$UID" -eq "$UID" ] 2>/dev/null \
# Remove user with $UID if it is not our $USER
 && if [ "$(getent passwd $UID |awk -F: '{print $1}')" != "$USER" ]; then \
      sed -i '/^'$(getent passwd $UID |awk -F: '{print $1}')':x:'$UID':/d' /etc/passwd; \
      sed -i '/^'$(getent group $GID |awk -F: '{print $1}')':x:'$GID':/d' /etc/group; \
    fi \
# Force $UID if our $USER already exists
 && sed -i 's/^'$USER':x:[0-9]\+:[0-9]\+:/'$USER':x:'$UID':'$GID':/' /etc/passwd \
 && sed -i 's/^'$USER':x:[0-9]\+:/'$USER':x:'$GID':/' /etc/group \
# Create $USER if it does not exist
 && if [ "$(getent passwd $UID)" = "" ]; then \
      echo "$USER:x:$UID:$GID::/home/$USER:$SHELL" >> /etc/passwd; \
      echo "$USER:\!:$(($(date +%s) / 60 / 60 / 24)):0:99999:7:::" >> /etc/shadow; \
      echo "$USER:x:$GID:" >> /etc/group; \
    fi \
 && mkdir -p /home/$USER \
 && chown $UID:$GID /home/$USER \
 || true

USER $USER