ecu-tests/docker/Dockerfile

107 lines
4.2 KiB
Docker

# syntax=docker/dockerfile:1.6
#
# ecu-tests image — mock-only by default, hardware variant via:
# --build-arg INCLUDE_MELEXIS=1
#
# Build context = repository root. Always invoke from there:
#
# docker build -f docker/Dockerfile -t ecu-tests:mock .
#
# DOCKER_BUILDKIT=1 docker build \
# -f docker/Dockerfile -t ecu-tests:hw \
# --build-arg INCLUDE_MELEXIS=1 \
# --secret id=melexis_tarball,src=./melexis-pkgs.tar.gz \
# .
#
# See docs/20_docker_image.md for the full reference, including how
# to produce melexis-pkgs.tar.gz from a licensed Melexis IDE install.
ARG PYTHON_VERSION=3.11
# ──────────────────────────────────────────────────────────────────────
# Stage 1: builder — install deps into a venv under /opt/venv
# ──────────────────────────────────────────────────────────────────────
FROM python:${PYTHON_VERSION}-slim AS builder
ARG INCLUDE_MELEXIS=0
# Build-time OS deps:
# build-essential, libffi-dev — for any wheel that needs to compile
# libusb-1.0-0 — pyserial uses it on some adapters
# git — VCS deps in requirements.txt (if any)
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
build-essential \
libffi-dev \
libusb-1.0-0 \
git \
&& rm -rf /var/lib/apt/lists/*
ENV PYTHONDONTWRITEBYTECODE=1 \
PIP_NO_CACHE_DIR=1 \
PIP_DISABLE_PIP_VERSION_CHECK=1
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:${PATH}"
WORKDIR /build
COPY requirements.txt ./
RUN pip install --upgrade pip wheel \
&& pip install -r requirements.txt
# Melexis packages — passed in via BuildKit secret so the proprietary
# tarball never lands in an image layer. Skipped entirely when
# INCLUDE_MELEXIS=0 (the mock-only path).
RUN --mount=type=secret,id=melexis_tarball,required=false \
if [ "$INCLUDE_MELEXIS" = "1" ]; then \
set -e; \
test -s /run/secrets/melexis_tarball \
|| { echo 'INCLUDE_MELEXIS=1 but no melexis_tarball secret bound'; exit 2; }; \
SITE_PACKAGES=$(python -c "import site; print(site.getsitepackages()[0])"); \
tar -xzf /run/secrets/melexis_tarball -C "$SITE_PACKAGES"; \
python -c "import pylin, pymumclient; print('melexis pkgs OK')"; \
fi
# ──────────────────────────────────────────────────────────────────────
# Stage 2: runtime — slim image with the venv + repo
# ──────────────────────────────────────────────────────────────────────
FROM python:${PYTHON_VERSION}-slim AS runtime
# Runtime-only OS deps. tini handles signal forwarding so Ctrl-C tears
# pytest down cleanly.
RUN apt-get update \
&& apt-get install -y --no-install-recommends \
libusb-1.0-0 \
ca-certificates \
tini \
&& rm -rf /var/lib/apt/lists/*
# Pull the prebuilt venv (with Melexis pkgs if requested) from builder.
COPY --from=builder /opt/venv /opt/venv
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PATH="/opt/venv/bin:${PATH}"
# The repo. .dockerignore at the build-context root excludes .venv,
# reports/, vendor/BabyLIN*, __pycache__, etc.
WORKDIR /workspace
COPY . /workspace
# Reports volume so artifacts survive the container's lifetime.
RUN mkdir -p /reports
VOLUME ["/reports"]
# Drop root. Inherit the host's serial group at runtime via
# `--group-add dialout` when you bind-mount /dev/ttyUSB*.
RUN useradd -m -u 1000 -s /bin/bash tester \
&& chown -R tester:tester /workspace /reports
USER tester
ENTRYPOINT ["/usr/bin/tini", "--"]
# Safe default: collect-only of the non-hardware suite. An accidental
# `docker run ecu-tests:hw` will list tests, not fire bench actions.
CMD ["pytest", "-m", "not hardware", "--collect-only", "-q"]