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adding container/minimal docs to describe updating requirements #73

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May 13, 2024
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adding container/minimal docs to describe updating requirements #73

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8 changes: 8 additions & 0 deletions images/ansible-operator/README.md
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We build the base image using the Dockerfile, which validates the python requirements scaffolding that it copies from this directory.

To update the requirements (`Pipfile` and `Pipfile.lock`) build and execute the image generated by `pipfile.Dockerfile` like so:

1. docker build -f ./pipfile.Dockerfile -t pipfile-generator .
2. docker run --rm -it -v .:/tmp/pip-airlock:Z pipfile-generator
3. Commit the newly-generated `Pipfile.lock` file (NB: this directory is in root .gitignore file, so you must `git add -f`)

32 changes: 32 additions & 0 deletions images/ansible-operator/pipfile.Dockerfile
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FROM registry.access.redhat.com/ubi8/ubi:8.9-1107 AS basebuilder

# Install Rust so that we can ensure backwards compatibility with installing/building the cryptography wheel across all platforms
RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
ENV PATH="/root/.cargo/bin:${PATH}"
RUN rustc --version

# Copy python dependencies (including ansible) to be installed using Pipenv
COPY ./Pipfile ./
# Instruct pip(env) not to keep a cache of installed packages,
# to install into the global site-packages and
# to clear the pipenv cache as well
ENV PIP_NO_CACHE_DIR=1 \
PIPENV_SYSTEM=1 \
PIPENV_CLEAR=1
# Ensure fresh metadata rather than cached metadata, install system and pip python deps,
# and remove those not needed at runtime.
RUN set -e && yum clean all && rm -rf /var/cache/yum/* \
&& yum update -y \
&& yum install -y libffi-devel openssl-devel python39-devel gcc python39-pip python39-setuptools \
&& pip3 install --upgrade pip~=23.3.2 \
&& pip3 install pipenv==2023.11.15 \
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&& pipenv lock \
&& pipenv check \
&& yum remove -y gcc libffi-devel openssl-devel python39-devel \
&& yum clean all \
&& rm -rf /var/cache/yum

VOLUME /tmp/pip-airlock
ENTRYPOINT ["cp", "./Pipfile.lock", "/tmp/pip-airlock/"]
# to pull the generated lockfile, run this like
# docker run --rm -it -v .:/tmp/pip-airlock:Z <image>
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