78 lines
2.6 KiB
Docker
78 lines
2.6 KiB
Docker
# test/Dockerfile
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#
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# Docker test harness for the dotfiles repo.
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#
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# Two stages:
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# --target dev : fast shellcheck/lint environment (no heavy installs)
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# --target test : smoke-test environment that can run the install scripts
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#
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# Build with (repo root as context; .dockerignore trims heavy/binary dirs):
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# docker build --target test -t dotfiles-test -f test/Dockerfile .
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# Run with:
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# docker run --rm -v "$PWD":/dotfiles dotfiles-test
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#
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# Or simply use the Makefile targets:
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# make test-lint-docker # build dev stage, run shellcheck+lint
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# make test-smoke # dry probes; add RUN_SMOKE=1 for real installs
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#
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# See README.md ("Testing") and test/entrypoint-test.sh for details.
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FROM archlinux:latest AS base
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# Non-root test user that mirrors the workstation account.
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ARG UID_ARG=1000
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ARG USERNAME=mathias
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RUN pacman -Syu --noconfirm \
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base-devel \
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git \
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stow \
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curl \
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which \
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sudo \
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&& pacman -Scc --noconfirm
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RUN useradd -m -u "$UID_ARG" -s /bin/bash -G wheel "$USERNAME"
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# Passwordless sudo so scripts that call `sudo pacman`, `sudo systemctl`, etc.
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# do not hang on a password prompt inside the container.
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RUN printf '%%wheel ALL=(ALL) NOPASSWD: ALL\n' > /etc/sudoers.d/wheel-nopasswd \
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&& chmod 440 /etc/sudoers.d/wheel-nopasswd
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# Use a literal (not the ARG) for USER/ENV: the legacy builder can silently
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# ignore a `USER "$ARG"` when the variable resolves after a stage boundary,
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# leaving the container running as root (which breaks git ownership checks on
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# the mounted host-owned repo). The value is fixed at mathias by default anyway.
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USER mathias
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ENV HOME="/home/mathias"
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WORKDIR /dotfiles
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# ---------------------------------------------------------------------------
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# dev stage: shellcheck/lint only. Fast, no install heavy-lifting.
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# ---------------------------------------------------------------------------
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FROM base AS dev
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USER root
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RUN pacman -S --noconfirm --needed shellcheck
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USER mathias
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WORKDIR /dotfiles
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COPY --chown=mathias . /dotfiles
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CMD ["bash", "test/lint.sh"]
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# ---------------------------------------------------------------------------
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# test stage: prepared to actually run the install scripts & probe stow.
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# Uses the mounted repo (see -v $PWD:/dotfiles in the Makefile) so scripts
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# see the live workspace checkout.
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# ---------------------------------------------------------------------------
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FROM base AS test
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USER mathias
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WORKDIR /dotfiles
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# The entrypoint drives the smoke tests. The repo is mounted at /dotfiles
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# via the Makefile's `docker run -v`.
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ENTRYPOINT ["bash", "/dotfiles/test/entrypoint-test.sh"]
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