82 lines
2.8 KiB
Bash
Executable file
82 lines
2.8 KiB
Bash
Executable file
#!/bin/bash
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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#
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# The build has two stages: "docker" and "test"
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# The "docker" stage is meant to rebuild the docker images
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# if needed. If we cannot push that result however then
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# there is no reason to do anything.
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# The "test" stage is an actual test job. Even if the docker
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# image doesn't match what's in the repo, we still build
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# the image so the build job can run properly.
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#
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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DOCKER_TAG=$DOCKER_REPO:$DISTRO
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function dockerfile_changed {
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# image may not exist yet, so we have to let it fail silently:
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docker pull $DOCKER_TAG || true
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docker run $DOCKER_TAG bash -c 'cd .. && sha512sum Dockerfile' > .Dockerfile.sha512
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sha512sum -c .Dockerfile.sha512
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}
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#
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# If this build has no DOCKER_PASS and it is in the docker stage
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# then there's no reason to do any processing because we cannot
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# push the result if the Dockerfile changed.
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#
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if [[ "$TRAVIS_BUILD_STAGE" == "docker" ]] && [[ -z "$DOCKER_PASS" ]]; then
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echo Detected docker stage build and no defined DOCKER_PASS, this build job will be skipped.
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echo Subsequent jobs in the test stage may each rebuild the docker image.
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exit 0
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fi
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pushd ${SCRIPT_DIR}/$DISTRO
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if dockerfile_changed; then
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echo Dockerfile has not changed. No need to rebuild.
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exit 0
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else
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echo Dockerfile has changed.
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fi
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popd
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#
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# Dockerfile has changed - rebuild it for the current build job.
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# If it is a "docker" stage build then we want to push it back
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# to the DOCKER_REPO. If it is a "test" stage build then we do
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# not. If nobody defined a DOCKER_PASS then it doesn't matter.
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#
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echo Rebuilding docker image $DISTRO
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docker build --tag $DOCKER_TAG build/docker/$DISTRO
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if [[ "$TRAVIS_BUILD_STAGE" == "docker" ]] && [[ ! -z "$DOCKER_USER" ]] && [[ ! -z "$DOCKER_PASS" ]]; then
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echo Pushing docker image $DOCKER_TAG
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docker login -u $DOCKER_USER -p $DOCKER_PASS
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docker push $DOCKER_TAG
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else
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echo Not pushing docker image: either not a docker stage build job, or one of DOCKER_USER or DOCKER_PASS is undefined.
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fi
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