1#!/bin/bash
2#
3# Copyright 2019 The Abseil Authors.
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#    https://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# This script that can be invoked to test abseil-cpp in a hermetic environment
18# using a Docker image on Linux. You must have Docker installed to use this
19# script.
20
21set -euox pipefail
22
23if [[ -z ${ABSEIL_ROOT:-} ]]; then
24  ABSEIL_ROOT="$(realpath $(dirname ${0})/..)"
25fi
26
27if [[ -z ${STD:-} ]]; then
28  STD="c++11 c++14 c++17 c++20"
29fi
30
31if [[ -z ${COMPILATION_MODE:-} ]]; then
32  COMPILATION_MODE="fastbuild opt"
33fi
34
35if [[ -z ${EXCEPTIONS_MODE:-} ]]; then
36  EXCEPTIONS_MODE="-fno-exceptions -fexceptions"
37fi
38
39source "${ABSEIL_ROOT}/ci/linux_docker_containers.sh"
40readonly DOCKER_CONTAINER=${LINUX_CLANG_LATEST_CONTAINER}
41
42# USE_BAZEL_CACHE=1 only works on Kokoro.
43# Without access to the credentials this won't work.
44if [[ ${USE_BAZEL_CACHE:-0} -ne 0 ]]; then
45  DOCKER_EXTRA_ARGS="--mount type=bind,source=${KOKORO_KEYSTORE_DIR},target=/keystore,readonly ${DOCKER_EXTRA_ARGS:-}"
46  # Bazel doesn't track changes to tools outside of the workspace
47  # (e.g. /usr/bin/gcc), so by appending the docker container to the
48  # remote_http_cache url, we make changes to the container part of
49  # the cache key. Hashing the key is to make it shorter and url-safe.
50  container_key=$(echo ${DOCKER_CONTAINER} | sha256sum | head -c 16)
51  BAZEL_EXTRA_ARGS="--remote_http_cache=https://storage.googleapis.com/absl-bazel-remote-cache/${container_key} --google_credentials=/keystore/73103_absl-bazel-remote-cache ${BAZEL_EXTRA_ARGS:-}"
52fi
53
54# Avoid depending on external sites like GitHub by checking --distdir for
55# external dependencies first.
56# https://docs.bazel.build/versions/master/guide.html#distdir
57if [[ ${KOKORO_GFILE_DIR:-} ]] && [[ -d "${KOKORO_GFILE_DIR}/distdir" ]]; then
58  DOCKER_EXTRA_ARGS="--mount type=bind,source=${KOKORO_GFILE_DIR}/distdir,target=/distdir,readonly ${DOCKER_EXTRA_ARGS:-}"
59  BAZEL_EXTRA_ARGS="--distdir=/distdir ${BAZEL_EXTRA_ARGS:-}"
60fi
61
62for std in ${STD}; do
63  for compilation_mode in ${COMPILATION_MODE}; do
64    for exceptions_mode in ${EXCEPTIONS_MODE}; do
65      echo "--------------------------------------------------------------------"
66      time docker run \
67        --mount type=bind,source="${ABSEIL_ROOT}",target=/abseil-cpp-ro,readonly \
68        --tmpfs=/abseil-cpp \
69        --workdir=/abseil-cpp \
70        --cap-add=SYS_PTRACE \
71        --rm \
72        -e CC="/opt/llvm/clang/bin/clang" \
73        -e BAZEL_CXXOPTS="-std=${std}:-nostdinc++" \
74        -e BAZEL_LINKOPTS="-L/opt/llvm/libcxx/lib:-lc++:-lc++abi:-lm:-Wl,-rpath=/opt/llvm/libcxx/lib" \
75        -e CPLUS_INCLUDE_PATH="/opt/llvm/libcxx/include/c++/v1" \
76        ${DOCKER_EXTRA_ARGS:-} \
77        ${DOCKER_CONTAINER} \
78        /bin/sh -c "
79          cp -r /abseil-cpp-ro/* /abseil-cpp/
80          if [ -n \"${ALTERNATE_OPTIONS:-}\" ]; then
81            cp ${ALTERNATE_OPTIONS:-} absl/base/options.h || exit 1
82          fi
83          /usr/local/bin/bazel test ... \
84            --compilation_mode=\"${compilation_mode}\" \
85            --copt=\"${exceptions_mode}\" \
86            --copt=-Werror \
87            --define=\"absl=1\" \
88            --keep_going \
89            --show_timestamps \
90            --test_env=\"GTEST_INSTALL_FAILURE_SIGNAL_HANDLER=1\" \
91            --test_env=\"TZDIR=/abseil-cpp/absl/time/internal/cctz/testdata/zoneinfo\" \
92            --test_output=errors \
93            --test_tag_filters=-benchmark \
94            ${BAZEL_EXTRA_ARGS:-}"
95    done
96  done
97done
98