tools/run_tests/dockerize/build_interop_image.sh

#!/bin/bash
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# This script is invoked by run_interop_tests.py to build the docker image
# for interop testing. You should never need to call this script on your own.

set -x

# Params:
#  INTEROP_IMAGE - name of tag of the final interop image
#  BASE_NAME - base name used to locate the base Dockerfile and build script
#  TTY_FLAG - optional -t flag to make docker allocate tty
#  BUILD_INTEROP_DOCKER_EXTRA_ARGS - optional args to be passed to the
#    docker run command

cd `dirname $0`/../../..
GRPC_ROOT=`pwd`
MOUNT_ARGS="-v $GRPC_ROOT:/var/local/jenkins/grpc:ro"

GRPC_JAVA_ROOT=`cd ../grpc-java && pwd`
if [ "$GRPC_JAVA_ROOT" != "" ]
then
  MOUNT_ARGS+=" -v $GRPC_JAVA_ROOT:/var/local/jenkins/grpc-java:ro"
else
  echo "WARNING: grpc-java not found, it won't be mounted to the docker container."
fi

GRPC_GO_ROOT=`cd ../grpc-go && pwd`
if [ "$GRPC_GO_ROOT" != "" ]
then
  MOUNT_ARGS+=" -v $GRPC_GO_ROOT:/var/local/jenkins/grpc-go:ro"
else
  echo "WARNING: grpc-go not found, it won't be mounted to the docker container."
fi

mkdir -p /tmp/ccache

# Mount service account dir if available.
# If service_directory does not contain the service account JSON file,
# some of the tests will fail.
if [ -e $HOME/service_account ]
then
  MOUNT_ARGS+=" -v $HOME/service_account:/var/local/jenkins/service_account:ro"
fi

# Use image name based on Dockerfile checksum
BASE_IMAGE=${BASE_NAME}_base:`sha1sum tools/dockerfile/interoptest/$BASE_NAME/Dockerfile | cut -f1 -d\ `

# Make sure base docker image has been built. Should be instantaneous if so.
docker build -t $BASE_IMAGE --force-rm=true tools/dockerfile/interoptest/$BASE_NAME || exit $?

# Create a local branch so the child Docker script won't complain
git branch -f jenkins-docker

CONTAINER_NAME="build_${BASE_NAME}_$(uuidgen)"

# Prepare image for interop tests, commit it on success.
(docker run \
  -e CCACHE_DIR=/tmp/ccache \
  -e THIS_IS_REALLY_NEEDED='see https://github.com/docker/docker/issues/14203 for why docker is awful' \
  -e THIS_IS_REALLY_NEEDED_ONCE_AGAIN='For issue 4835. See https://github.com/docker/docker/issues/14203 for why docker is awful' \
  -i $TTY_FLAG \
  $MOUNT_ARGS \
  $BUILD_INTEROP_DOCKER_EXTRA_ARGS \
  -v /tmp/ccache:/tmp/ccache \
  --name=$CONTAINER_NAME \
  $BASE_IMAGE \
  bash -l /var/local/jenkins/grpc/tools/dockerfile/interoptest/$BASE_NAME/build_interop.sh \
  && docker commit $CONTAINER_NAME $INTEROP_IMAGE \
  && echo "Successfully built image $INTEROP_IMAGE")
EXITCODE=$?

# remove intermediate container, possibly killing it first
docker rm -f $CONTAINER_NAME

exit $EXITCODE