78205faf54
To ensure a smooth transition without breaking CI, we should use explicitly versioned Clangs in the CI jobs definition instead, since that's a change we can actually test in the CI. So instead of bumping the compiler version from the Docker image, use the same version as before by default, and we can bump it from the CI job definition once all the nodes are running the new image.
107 lines
5.1 KiB
Docker
107 lines
5.1 KiB
Docker
#===----------------------------------------------------------------------===##
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#
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#
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#===----------------------------------------------------------------------===##
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#
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# This Dockerfile describes the base image used to run the various libc++
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# build bots. By default, the image runs the Buildkite Agent, however one
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# can also just start the image with a shell to debug CI failures.
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#
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# To start a Buildkite Agent, run it as:
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# $ docker run --env-file <secrets> -it $(docker build -q libcxx/utils/ci)
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#
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# The environment variables in `<secrets>` should be the ones necessary
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# to run a BuildKite agent.
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#
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# If you're only looking to run the Docker image locally for debugging a
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# build bot, see the `run-buildbot-container` script located in this directory.
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#
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# A pre-built version of this image is maintained on DockerHub as ldionne/libcxx-builder.
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# To update the image, rebuild it and push it to ldionne/libcxx-builder (which
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# will obviously only work if you have permission to do so).
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#
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# $ docker build -t ldionne/libcxx-builder libcxx/utils/ci
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# $ docker push ldionne/libcxx-builder
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#
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FROM ubuntu:focal
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# Make sure apt-get doesn't try to prompt for stuff like our time zone, etc.
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ENV DEBIAN_FRONTEND=noninteractive
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# This dummy command is meant to be edited from time to time, which causes the
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# CI builders to rebuild their copy of the Docker image. This is not a great
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# solution, however without that, the CI builders will keep the same cached
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# Docker image forever.
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RUN echo 6
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RUN apt-get update && apt-get install -y bash curl
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# Install various tools used by the build or the test suite
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RUN apt-get update && apt-get install -y ninja-build python3 python3-sphinx python3-distutils git gdb
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# Locales for gdb and localization tests
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RUN apt-get update && apt-get install -y language-pack-en language-pack-fr \
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language-pack-ru language-pack-zh-hans
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# These two are not enabled by default so generate them
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RUN printf "fr_CA ISO-8859-1\ncs_CZ ISO-8859-2" >> /etc/locale.gen
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RUN mkdir /usr/local/share/i1en/
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RUN printf "fr_CA ISO-8859-1\ncs_CZ ISO-8859-2" >> /usr/local/share/i1en/SUPPORTED
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RUN locale-gen
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# Install Clang <latest>, <latest-1> and ToT, which are the ones we support.
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# We also install <latest-2> to allow smooth CI transitions around release points.
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ENV LLVM_LATEST_VERSION=14
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RUN apt-get update && apt-get install -y lsb-release wget software-properties-common
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RUN wget https://apt.llvm.org/llvm.sh -O /tmp/llvm.sh
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RUN bash /tmp/llvm.sh $(($LLVM_LATEST_VERSION - 2)) # for CI transitions
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RUN bash /tmp/llvm.sh $(($LLVM_LATEST_VERSION - 1)) # previous release
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RUN bash /tmp/llvm.sh $LLVM_LATEST_VERSION # latest release
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RUN bash /tmp/llvm.sh $(($LLVM_LATEST_VERSION + 1)) # current ToT
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# Make the latest version of Clang the "default" compiler on the system
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# TODO: In the future, all jobs should be using an explicitly-versioned version of Clang instead,
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# and we can get rid of this entirely.
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RUN ln -fs /usr/bin/clang++-$LLVM_LATEST_VERSION /usr/bin/c++ && [ -e $(readlink /usr/bin/c++) ]
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RUN ln -fs /usr/bin/clang-$LLVM_LATEST_VERSION /usr/bin/cc && [ -e $(readlink /usr/bin/cc) ]
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# Install clang-format
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RUN apt-get install -y clang-format-$LLVM_LATEST_VERSION
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RUN ln -s /usr/bin/clang-format-$LLVM_LATEST_VERSION /usr/bin/clang-format && [ -e $(readlink /usr/bin/clang-format) ]
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RUN ln -s /usr/bin/git-clang-format-$LLVM_LATEST_VERSION /usr/bin/git-clang-format && [ -e $(readlink /usr/bin/git-clang-format) ]
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# Install clang-tidy
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RUN apt-get install -y clang-tidy-$LLVM_LATEST_VERSION
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RUN ln -s /usr/bin/clang-tidy-$LLVM_LATEST_VERSION /usr/bin/clang-tidy && [ -e $(readlink /usr/bin/clang-tidy) ]
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# Install the most recent GCC
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ENV GCC_LATEST_VERSION=11
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RUN add-apt-repository ppa:ubuntu-toolchain-r/test
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RUN apt-get update && apt install -y gcc-$GCC_LATEST_VERSION g++-$GCC_LATEST_VERSION
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# Install a recent CMake
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RUN wget https://github.com/Kitware/CMake/releases/download/v3.21.1/cmake-3.21.1-linux-x86_64.sh -O /tmp/install-cmake.sh
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RUN bash /tmp/install-cmake.sh --prefix=/usr --exclude-subdir --skip-license
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RUN rm /tmp/install-cmake.sh
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# Change the user to a non-root user, since some of the libc++ tests
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# (e.g. filesystem) require running as non-root. Also setup passwordless sudo.
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RUN apt-get update && apt-get install -y sudo
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RUN echo "ALL ALL = (ALL) NOPASSWD: ALL" >> /etc/sudoers
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RUN useradd --create-home libcxx-builder
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USER libcxx-builder
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WORKDIR /home/libcxx-builder
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# Install the Buildkite agent and dependencies. This must be done as non-root
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# for the Buildkite agent to be installed in a path where we can find it.
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RUN bash -c "$(curl -sL https://raw.githubusercontent.com/buildkite/agent/main/install.sh)"
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ENV PATH="${PATH}:/home/libcxx-builder/.buildkite-agent/bin"
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RUN echo "tags=\"queue=libcxx-builders,arch=$(uname -m),os=linux\"" >> "/home/libcxx-builder/.buildkite-agent/buildkite-agent.cfg"
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# By default, start the Buildkite agent (this requires a token).
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CMD buildkite-agent start
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