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build_setup.sh
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build_setup.sh
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#!/bin/bash
# Configure environment variables for Bazel build and test.
set -e
export PPROF_PATH=/thirdparty_build/bin/pprof
[ -z "${NUM_CPUS}" ] && NUM_CPUS=`grep -c ^processor /proc/cpuinfo`
[ -z "${ENVOY_SRCDIR}" ] && export ENVOY_SRCDIR=/source
echo "ENVOY_SRCDIR=${ENVOY_SRCDIR}"
function setup_gcc_toolchain() {
if [[ ! -z "${ENVOY_STDLIB}" && "${ENVOY_STDLIB}" != "libstdc++" ]]; then
echo "gcc toolchain doesn't support ${ENVOY_STDLIB}."
exit 1
fi
if [[ -z "${ENVOY_RBE}" ]]; then
export CC=gcc
export CXX=g++
export BAZEL_COMPILER=gcc
echo "$CC/$CXX toolchain configured"
else
export BAZEL_BUILD_OPTIONS="--config=remote-gcc ${BAZEL_BUILD_OPTIONS}"
fi
}
function setup_clang_toolchain() {
ENVOY_STDLIB="${ENVOY_STDLIB:-libc++}"
if [[ -z "${ENVOY_RBE}" ]]; then
if [[ "${ENVOY_STDLIB}" == "libc++" ]]; then
export BAZEL_BUILD_OPTIONS="--config=libc++ ${BAZEL_BUILD_OPTIONS}"
else
export BAZEL_BUILD_OPTIONS="--config=clang ${BAZEL_BUILD_OPTIONS}"
fi
else
if [[ "${ENVOY_STDLIB}" == "libc++" ]]; then
export BAZEL_BUILD_OPTIONS="--config=remote-clang-libc++ ${BAZEL_BUILD_OPTIONS}"
else
export BAZEL_BUILD_OPTIONS="--config=remote-clang ${BAZEL_BUILD_OPTIONS}"
fi
fi
echo "clang toolchain with ${ENVOY_STDLIB} configured"
}
# Create a fake home. Python site libs tries to do getpwuid(3) if we don't and the CI
# Docker image gets confused as it has no passwd entry when running non-root
# unless we do this.
FAKE_HOME=/tmp/fake_home
mkdir -p "${FAKE_HOME}"
export HOME="${FAKE_HOME}"
export PYTHONUSERBASE="${FAKE_HOME}"
export BUILD_DIR=${BUILD_DIR:-/build}
if [[ ! -d "${BUILD_DIR}" ]]
then
echo "${BUILD_DIR} mount missing - did you forget -v <something>:${BUILD_DIR}? Creating."
mkdir -p "${BUILD_DIR}"
fi
export ENVOY_FILTER_EXAMPLE_SRCDIR="${BUILD_DIR}/envoy-filter-example"
# Environment setup.
export USER=bazel
export TEST_TMPDIR=${BUILD_DIR}/tmp
export BAZEL="bazel"
export PATH=/opt/llvm/bin:$PATH
export CLANG_FORMAT=clang-format
if [[ -f "/etc/redhat-release" ]]; then
export BAZEL_BUILD_EXTRA_OPTIONS+="--copt=-DENVOY_IGNORE_GLIBCXX_USE_CXX11_ABI_ERROR=1"
fi
function cleanup() {
# Remove build artifacts. This doesn't mess with incremental builds as these
# are just symlinks.
rm -rf "${ENVOY_SRCDIR}"/bazel-* clang.bazelrc
}
cleanup
trap cleanup EXIT
export LLVM_ROOT=/opt/llvm
bazel/setup_clang.sh "${LLVM_ROOT}"
[[ "${BUILD_REASON}" != "PullRequest" ]] && BAZEL_EXTRA_TEST_OPTIONS+=" --nocache_test_results --test_output=all"
export BAZEL_QUERY_OPTIONS="${BAZEL_OPTIONS}"
export BAZEL_BUILD_OPTIONS="--verbose_failures ${BAZEL_OPTIONS} --action_env=HOME --action_env=PYTHONUSERBASE \
--local_cpu_resources=${NUM_CPUS} --show_task_finish --experimental_generate_json_trace_profile \
--test_env=HOME --test_env=PYTHONUSERBASE --test_output=errors \
--repository_cache=${BUILD_DIR}/repository_cache --experimental_repository_cache_hardlinks \
${BAZEL_BUILD_EXTRA_OPTIONS} ${BAZEL_EXTRA_TEST_OPTIONS}"
[[ "${BAZEL_EXPUNGE}" == "1" ]] && "${BAZEL}" clean --expunge
if [ "$1" != "-nofetch" ]; then
# Setup Envoy consuming project.
if [[ ! -d "${ENVOY_FILTER_EXAMPLE_SRCDIR}/.git" ]]; then
rm -rf "${ENVOY_FILTER_EXAMPLE_SRCDIR}"
git clone https://github.com/envoyproxy/envoy-filter-example.git "${ENVOY_FILTER_EXAMPLE_SRCDIR}"
fi
# This is the hash on https://github.com/envoyproxy/envoy-filter-example.git we pin to.
(cd "${ENVOY_FILTER_EXAMPLE_SRCDIR}" && git fetch origin && git checkout -f 25eac570dd2bf3256dff01a04a9ce2a308e61f60)
sed -e "s|{ENVOY_SRCDIR}|${ENVOY_SRCDIR}|" "${ENVOY_SRCDIR}"/ci/WORKSPACE.filter.example > "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/WORKSPACE
fi
# Also setup some space for building Envoy standalone.
export ENVOY_BUILD_DIR="${BUILD_DIR}"/envoy
mkdir -p "${ENVOY_BUILD_DIR}"
# This is where we copy build deliverables to.
export ENVOY_DELIVERY_DIR="${ENVOY_BUILD_DIR}"/source/exe
mkdir -p "${ENVOY_DELIVERY_DIR}"
# This is where we copy the coverage report to.
export ENVOY_COVERAGE_DIR="${ENVOY_BUILD_DIR}"/generated/coverage
mkdir -p "${ENVOY_COVERAGE_DIR}"
# This is where we dump failed test logs for CI collection.
export ENVOY_FAILED_TEST_LOGS="${ENVOY_BUILD_DIR}"/generated/failed-testlogs
mkdir -p "${ENVOY_FAILED_TEST_LOGS}"
# This is where we copy the build profile to.
export ENVOY_BUILD_PROFILE="${ENVOY_BUILD_DIR}"/generated/build-profile
mkdir -p "${ENVOY_BUILD_PROFILE}"
mkdir -p "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/bazel
ln -sf "${ENVOY_SRCDIR}"/bazel/get_workspace_status "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/bazel/
cp -f "${ENVOY_SRCDIR}"/.bazelrc "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/
cp -f "${ENVOY_SRCDIR}"/*.bazelrc "${ENVOY_FILTER_EXAMPLE_SRCDIR}"/
export BUILDIFIER_BIN="/usr/local/bin/buildifier"
export BUILDOZER_BIN="/usr/local/bin/buildozer"