Ben Clayton c55c7715db Fix Kokoro ASAN builds
The VM has been updated to Kokoro 14.04, and now the docker instance
requires escalated privileges in order to run some sanitizer builds.

Change-Id: Icebbb1597dcdb67a854cb61ff7b0c0c11952b7f2
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/71921
Auto-Submit: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2021-12-07 13:54:19 +00:00

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#!/bin/bash
# Copyright 2021 The Tint 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.
set -e # Fail on any error.
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd )"
ROOT_DIR="$( cd "${SCRIPT_DIR}/../.." >/dev/null 2>&1 && pwd )"
# Inside the docker VM, we clone the project to a new directory.
# We do this so that the docker script can be tested in a local development
# checkout, without having the build litter the local checkout with artifacts.
# This directory is mapped to the host temporary directory.
# Kokoro uses a '/tmpfs' root, where as most linux enviroments just have '/tmp'
if [ -d "/tmpfs" ]; then
TMP_DIR=/tmpfs
else
TMP_DIR=/tmp
fi
# --privileged is required for some sanitizer builds, as they seem to require PTRACE privileges
docker run --rm -i \
--privileged \
--volume "${ROOT_DIR}:${ROOT_DIR}" \
--volume "${TMP_DIR}:/src" \
--volume "${KOKORO_ARTIFACTS_DIR}:/mnt/artifacts" \
--workdir "${ROOT_DIR}" \
--env SRC_DIR="/src/tint" \
--env BUILD_TYPE=$BUILD_TYPE \
--env BUILD_SYSTEM=$BUILD_SYSTEM \
--env BUILD_SANITIZER=$BUILD_SANITIZER \
--env BUILD_TOOLCHAIN=$BUILD_TOOLCHAIN \
--entrypoint "${SCRIPT_DIR}/docker.sh" \
"gcr.io/shaderc-build/radial-build:latest"