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#!/usr/bin/env bash
#
# Copyright 2019 Google LLC
#
# 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 -eu
if [[ $# -eq 1 ]]; then
export TEST_TARGET="${1}"
elif [[ -n "${KOKORO_JOB_NAME:-}" ]]; then
# Kokoro injects the KOKORO_JOB_NAME environment variable, the value of this
# variable is cloud-cpp/spanner/<config-file-name-without-cfg> (or more
# generally <path/to/config-file-without-cfg>). By convention we name these
# files `$foo.cfg` for continuous builds and `$foo-presubmit.cfg` for
# presubmit builds. Here we extract the value of "foo" and use it as the build
# name.
TEST_TARGET="$(basename "${KOKORO_JOB_NAME}" "-presubmit")"
export TEST_TARGET
else
echo "Aborting build as the distribution name is not defined."
echo "If you are invoking this script via the command line use:"
echo " $0 <distro-name>"
echo
echo "If this script is invoked by Kokoro, the CI system is expected to set"
echo "the KOKORO_JOB_NAME environment variable."
exit 1
fi
echo "================================================================"
echo "Change working directory to project root $(date)."
cd "$(dirname "$0")/../../.."
if [[ -z "${PROJECT_ID+x}" ]]; then
readonly PROJECT_ID="cloud-devrel-kokoro-resources"
fi
readonly DEV_IMAGE="gcr.io/${PROJECT_ID}/cpp-cmakefiles/test-install-dev-${TEST_TARGET}"
readonly IMAGE="gcr.io/${PROJECT_ID}/cpp-cmakefiles/test-install-${TEST_TARGET}"
has_cache="false"
# We download the cached dev image for pull requests on kokoro. For continuous
# jobs, we don't download the cached image. This means we build from scratch and
# upload the image for future builds for pull requests.
if [[ -n "${KOKORO_JOB_NAME:-}" ]] \
&& [[ -n "${KOKORO_GITHUB_PULL_REQUEST_NUMBER:-}" ]]; then
echo "================================================================"
echo "Download existing image (if available) for ${TEST_TARGET} $(date)."
if docker pull "${DEV_IMAGE}:latest"; then
echo "Existing image successfully downloaded."
has_cache="true"
fi
echo "================================================================"
fi
echo "================================================================"
echo "Build base image with minimal development tools for ${TEST_TARGET} $(date)."
update_cache="false"
devtools_flags=(
# Only build up to the stage that installs the minimal development tools, but
# does not compile any of our code.
"--target" "devtools"
# Create the image with the same tag as the cache we are using, so we can
# upload it.
"-t" "${DEV_IMAGE}:latest"
"-f" "ci/kokoro/install/Dockerfile.${TEST_TARGET}"
)
if "${has_cache}"; then
devtools_flags+=("--cache-from=${DEV_IMAGE}:latest")
fi
echo "Running docker build with " "${devtools_flags[@]}"
if docker build "${devtools_flags[@]}" ci; then
update_cache="true"
fi
# We upload the cached image for continuous builds.
if "${update_cache}" && [[ -z "${KOKORO_GITHUB_PULL_REQUEST_NUMBER:-}" ]] \
&& [[ -n "${KOKORO_JOB_NAME:-}" ]]; then
echo "================================================================"
echo "Uploading updated base image for ${TEST_TARGET} $(date)."
# Do not stop the build on a failure to update the cache.
docker push "${DEV_IMAGE}:latest" || true
fi
echo "================================================================"
echo "Run validation script for INSTALL instructions on ${TEST_TARGET}."
docker build \
"--cache-from=${DEV_IMAGE}:latest" \
"--target=install" \
-t "${IMAGE}" \
-f "ci/kokoro/install/Dockerfile.${TEST_TARGET}" .
echo "================================================================"
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