| #!/bin/bash |
| # Copyright 2016 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. |
| # |
| # Builds docker image and runs a command under it. |
| # You should never need to call this script on your own. |
| |
| set -ex |
| |
| cd $(dirname $0)/../../.. |
| git_root=$(pwd) |
| cd - |
| |
| # Inputs |
| # DOCKERFILE_DIR - Directory in which Dockerfile file is located. |
| # DOCKER_RUN_SCRIPT - Script to run under docker (relative to grpc repo root) |
| # OUTPUT_DIR - Directory that will be copied from inside docker after finishing. |
| # DOCKERHUB_ORGANIZATION - If set, pull a prebuilt image from given dockerhub org. |
| # DOCKER_BASE_IMAGE - If set, pull the latest base image. |
| # $@ - Extra args to pass to docker run |
| |
| # Use image name based on Dockerfile location checksum |
| DOCKER_IMAGE_NAME=$(basename $DOCKERFILE_DIR)_$(sha1sum $DOCKERFILE_DIR/Dockerfile | cut -f1 -d\ ) |
| |
| # Pull the base image to force an update |
| if [ "$DOCKER_BASE_IMAGE" != "" ] |
| then |
| time docker pull $DOCKER_BASE_IMAGE |
| fi |
| |
| if [ "$DOCKERHUB_ORGANIZATION" != "" ] |
| then |
| DOCKER_IMAGE_NAME=$DOCKERHUB_ORGANIZATION/$DOCKER_IMAGE_NAME |
| time docker pull $DOCKER_IMAGE_NAME |
| else |
| # Make sure docker image has been built. Should be instantaneous if so. |
| docker build -t $DOCKER_IMAGE_NAME $DOCKERFILE_DIR |
| fi |
| |
| # Choose random name for docker container |
| CONTAINER_NAME="build_and_run_docker_$(uuidgen)" |
| |
| # Run command inside docker |
| docker run \ |
| "$@" \ |
| -e EXTERNAL_GIT_ROOT="/var/local/jenkins/grpc" \ |
| -e THIS_IS_REALLY_NEEDED='see https://github.com/docker/docker/issues/14203 for why docker is awful' \ |
| -v "$git_root:/var/local/jenkins/grpc:ro" \ |
| -w /var/local/git/grpc \ |
| --name=$CONTAINER_NAME \ |
| $EXTRA_DOCKER_ARGS \ |
| $DOCKER_IMAGE_NAME \ |
| /bin/bash -l "/var/local/jenkins/grpc/$DOCKER_RUN_SCRIPT" || FAILED="true" |
| |
| # Copy output artifacts |
| if [ "$OUTPUT_DIR" != "" ] |
| then |
| docker cp "$CONTAINER_NAME:/var/local/git/grpc/$OUTPUT_DIR" "$git_root" || FAILED="true" |
| fi |
| |
| # remove the container, possibly killing it first |
| docker rm -f $CONTAINER_NAME || true |
| |
| if [ "$FAILED" != "" ] |
| then |
| exit 1 |
| fi |