%YAML 1.2
--- |
  # Copyright 2023 The gRPC Authors
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  FROM ubuntu:20.04

  # Workaround the "tzdata hangs apt-get install during docker image build" issue for ubuntu20.04
  # by setting timezone to "Etc/UTC" in advance.
  RUN echo "Etc/UTC" > /etc/timezone

  RUN apt-get update && apt-get install -y build-essential curl git time wget zip && apt-get clean

  <%include file="../../run_tests_python_deps.include"/>

  # Some bazel tests expect "python" binary to exist
  RUN ln -s /usr/bin/python3 /usr/bin/python

  # Install Google's LLVM build for Ubuntu 20.04
  # Heavily inspired by https://github.com/GoogleCloudPlatform/container-definitions/tree/master/ubuntu1804_rbe
  # See go/llvm-docker
  # Note that we are using the google's pre-built tools for multiple reasons:
  # * this is what the "official" rbe-ubuntu18-04 image is using: See https://github.com/GoogleCloudPlatform/layer-definitions/tree/master/layers/ubuntu1804/clang
  # * for sanitizers to work, we need MSAN and TSAN enabled versions of libc++
  # Check https://storage.googleapis.com/clang-builds-stable/clang-ubuntu20_04/latest.txt
  # for the value of LLVM_LATEST.
  ARG LLVM_LATEST="f2b94bd7eaa83d853dc7568fac87b1f8bf4ddec6"
  RUN wget -q https://storage.googleapis.com/clang-builds-stable/clang-ubuntu20_04/clang_r<%text>${LLVM_LATEST}</%text>.tar.gz -O /tmp/clang.tar.gz ${'\\'}
    && tar -xzf /tmp/clang.tar.gz -C /usr/local && rm /tmp/clang.tar.gz
  RUN wget -q https://storage.googleapis.com/clang-builds-stable/clang-ubuntu20_04/libcxx_r<%text>${LLVM_LATEST}</%text>.tar.gz -O /tmp/libcxx.tar.gz ${'\\'}
    && tar -xzf /tmp/libcxx.tar.gz -C /usr/local && rm /tmp/libcxx.tar.gz
  RUN wget -q https://storage.googleapis.com/clang-builds-stable/clang-ubuntu20_04/libcxx-msan_r<%text>${LLVM_LATEST}</%text>.tar.gz -O /tmp/libcxx-msan.tar.gz ${'\\'}
    && mkdir -p /usr/local/libcxx-msan && tar -xzf /tmp/libcxx-msan.tar.gz -C /usr/local/libcxx-msan && rm /tmp/libcxx-msan.tar.gz
  RUN wget -q https://storage.googleapis.com/clang-builds-stable/clang-ubuntu20_04/libcxx-tsan_r<%text>${LLVM_LATEST}</%text>.tar.gz -O /tmp/libcxx-tsan.tar.gz ${'\\'}
    && mkdir -p /usr/local/libcxx-tsan && tar -xzf /tmp/libcxx-tsan.tar.gz -C /usr/local/libcxx-tsan && rm /tmp/libcxx-tsan.tar.gz
  RUN wget -q https://storage.googleapis.com/clang-builds-stable/clang-ubuntu20_04/lld_r<%text>${LLVM_LATEST}</%text>.tar.gz -O /tmp/lld.tar.gz ${'\\'}
    && tar -xzf /tmp/lld.tar.gz -C /usr/local && rm /tmp/lld.tar.gz
    
  ENV ASAN_SYMBOLIZER_PATH=/usr/local/bin/llvm-symbolizer
  ENV CC=/usr/local/bin/clang
  ENV GCOV=/dev/null
  ENV LD_LIBRARY_PATH=/usr/local/lib/x86_64-unknown-linux-gnu
  ENV MSAN_SYMBOLIZER_PATH=/usr/local/bin/llvm-symbolizer
  ENV TSAN_SYMBOLIZER_PATH=/usr/local/bin/llvm-symbolizer
  ENV UBSAN_SYMBOLIZER_PATH=/usr/local/bin/llvm-symbolizer

  # TODO(jtattermusch): Remove python2 once some tests stop failing without it.
  RUN apt-get update && apt-get install -y python2 && apt-get clean

  # Define the default command.
  CMD ["bash"]