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[workflows] Build a container for running CI on github actions (llvm#…
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Using a container will allow us to have similar testing environments on
both the GitHub hosted runners and the self-hosted runners.
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tstellar authored Jan 4, 2024
1 parent 8f40783 commit 166bd4e
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60 changes: 60 additions & 0 deletions .github/workflows/build-ci-container.yml
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name: Build CI Container

permissions:
contents: read

on:
push:
branches:
- main
paths:
- .github/workflows/build-ci-container.yml
- '.github/workflows/containers/github-action-ci/**'
pull_request:
branches:
- main
paths:
- .github/workflows/build-ci-container.yml
- '.github/workflows/containers/github-action-ci/**'

jobs:
build-ci-container:
if: github.repository_owner == 'llvm'
runs-on: ubuntu-latest
permissions:
packages: write
steps:
- name: Write Variables
id: vars
run: |
tag=`date +%s`
container_name="ghcr.io/$GITHUB_REPOSITORY_OWNER/ci-ubuntu-22.04"
echo "container-name=$container_name" >> $GITHUB_OUTPUT
echo "container-name-tag=$container_name:$tag" >> $GITHUB_OUTPUT
- name: Checkout LLVM
uses: actions/checkout@v4
with:
sparse-checkout: .github/workflows/containers/github-action-ci/

- name: Build Container
working-directory: ./.github/workflows/containers/github-action-ci/
run: |
podman build -t ${{ steps.vars.outputs.container-name-tag }} .
podman tag ${{ steps.vars.outputs.container-name-tag }} ${{ steps.vars.outputs.container-name }}:latest
- name: Test Container
run: |
for image in ${{ steps.vars.outputs.container-name-tag }} ${{ steps.vars.outputs.container-name }}; do
podman run --rm -it $image /usr/bin/bash -x -c 'printf '\''#include <iostream>\nint main(int argc, char **argv) { std::cout << "Hello\\n"; }'\'' | clang++ -x c++ - && ./a.out | grep Hello'
done
- name: Push Container
if: github.event_name == 'push'
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: |
podman login -u ${{ github.actor }} -p $GITHUB_TOKEN ghcr.io
podman push ${{ steps.vars.outputs.container-name-tag }}
podman push ${{ steps.vars.outputs.container-name }}:latest
48 changes: 48 additions & 0 deletions .github/workflows/containers/github-action-ci/Dockerfile
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FROM docker.io/library/ubuntu:22.04 as base
ENV LLVM_SYSROOT=/opt/llvm/

FROM base as toolchain
ENV LLVM_MAJOR=17
ENV LLVM_VERSION=${LLVM_MAJOR}.0.6
ENV LLVM_DIRNAME=clang+llvm-${LLVM_VERSION}-x86_64-linux-gnu-ubuntu-22.04
ENV LLVM_FILENAME=${LLVM_DIRNAME}.tar.xz

RUN apt-get update && \
apt-get install -y \
curl \
xz-utils

RUN mkdir -p $LLVM_SYSROOT/bin/ $LLVM_SYSROOT/lib/

RUN curl -O -L https://github.com/llvm/llvm-project/releases/download/llvmorg-$LLVM_VERSION/$LLVM_FILENAME

RUN tar -C $LLVM_SYSROOT --strip-components=1 -xJf $LLVM_FILENAME \
$LLVM_DIRNAME/bin/clang \
$LLVM_DIRNAME/bin/clang++ \
$LLVM_DIRNAME/bin/clang-cl \
$LLVM_DIRNAME/bin/clang-$LLVM_MAJOR \
$LLVM_DIRNAME/bin/lld \
$LLVM_DIRNAME/bin/ld.lld \
$LLVM_DIRNAME/lib/clang/


FROM base

COPY --from=toolchain $LLVM_SYSROOT $LLVM_SYSROOT

# Need to install curl for hendrikmuhs/ccache-action
# Need nodejs for some of the GitHub actions.
# Need perl-modules for clang analyzer tests.
RUN apt-get update && \
apt-get install -y \
binutils \
cmake \
curl \
libstdc++-11-dev \
ninja-build \
nodejs \
perl-modules \
python3-psutil

ENV LLVM_SYSROOT=$LLVM_SYSROOT
ENV PATH=${LLVM_SYSROOT}/bin:${PATH}

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