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HDDS-12441. Add helper script for building Docker image (#39)
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‎.dockerignore‎

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.asf.yaml
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build.sh
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CONTRIBUTING.md
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.git
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.github
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LICENSE
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NOTICE
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README.md
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SECURITY.md

‎CONTRIBUTING.md‎

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<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# Contributing
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For detailed contribution guideline, please check the [contribution guideline of Apache Ozone repository](https://github.com/apache/ozone/blob/master/CONTRIBUTING.md).
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For general contribution guideline, please check the [Apache Ozone repository](https://github.com/apache/ozone/blob/master/CONTRIBUTING.md).
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Development of the `ozone-runner` image happens on branch `master`, relevant changes are cherry-picked to branch `jdk11`.
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## Local Build and Test
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### Building
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The image can be built simply by running the helper script `build.sh`:
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```bash
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$ ./build.sh
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...
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=> => naming to docker.io/apache/ozone-runner:dev
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```
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This will create a single-platform image for your architecture.
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### Testing
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To try the image locally with Ozone acceptance tests, define the version to be used:
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```bash
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export OZONE_RUNNER_VERSION=dev
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```
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then run [acceptance tests](https://github.com/apache/ozone/blob/master/hadoop-ozone/dist/src/main/compose/README.md) as needed.
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## GitHub Workflows
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If this is your first time working on the image, please enable GitHub Actions workflows after forking the repo.
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### Building
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Whenever changes are pushed to your fork, GitHub builds a multi-platform image (for `amd64` and `arm64`), and tags it with the commit SHA. These images can be shared with other developers for feedback. Workflow runs are listed at `https://github.com/<username>/ozone-docker-runner/actions`, images at `https://github.com/<username>/ozone-docker-runner/pkgs/container/ozone-runner`.
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### Testing
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To run complete Ozone CI with the custom image:
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1. Create a new branch in your clone of `apache/ozone`.
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2. Update `OZONE_RUNNER_IMAGE` to `ghrc.io/<username>/ozone-runner` in [ci.yml](https://github.com/apache/ozone/blob/bb16f66e22c44b360d42d0cae87024786e27c61b/.github/workflows/ci.yml#L37).
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3. Update `docker.ozone-runner.version` to `<commit SHA>` in [hadoop-ozone/dist/pom.xml](https://github.com/apache/ozone/blob/bb16f66e22c44b360d42d0cae87024786e27c61b/hadoop-ozone/dist/pom.xml#L28).
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4. Commit the change and push to your fork of `apache/ozone`.
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## Publishing Docker Tags (for committers)
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1. Fetch changes to your local clone.
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2. Add a Git tag for the commit following the existing pattern `<date>-<n>-<flavor>`, where
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- `<n>` starts at 1, and is incremented if multiple images need to be published the same day)
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- `<flavor>` is `jdk21` or `jdk11`
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3. Push the Git tag to the official repo (`apache/ozone-docker-runner`). This will trigger a workflow to apply the tag to the Docker image.
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4. If the change is relevant for Ozone 1.x versions, cherry-pick it to the `jdk11` branch.
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5. Set `Fix Version` of the Jira issue to `runner-<date>-<n>-<flavor>`

‎README.md‎

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limitations under the License.
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-->
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# Apache Ozone **runner** base image
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# Apache Ozone Runner Base Image
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This is the base image to run Apache Hadoop Ozone in docker containers. This is only for test/develop and not for production.
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[ozone-runner](https://github.com/apache/ozone-docker-runner) is the base image with tools for running and testing Apache Ozone, but does not include any Ozone artifacts.
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The container doesn't include any Ozone specific jar files or release artifacts just an empty environment which includes all the specific tools to run and test Apache Ozone inside containers.
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Published to [Docker Hub](https://hub.docker.com/r/apache/ozone-runner) and [GitHub](https://github.com/apache/ozone-docker-runner/pkgs/container/ozone-runner).
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The image is available as [apache/ozone-runner](https://hub.docker.com/r/apache/ozone-runner). Build is managed by Docker Hub.
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## Development
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To build the image, please use:
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```
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DOCKER_BUILDKIT=1 docker build -t apache/ozone-runner:dev .
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```
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To test it, build [Apache Ozone](https://github.com/apache/ozone):
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```
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mvn clean verify -DskipTests -Dskip.npx -DskipShade -Ddocker.ozone-runner.version=dev
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```
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And start the compose cluster:
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```
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cd hadoop-ozone/dist/target/ozone-*/compose/ozone
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docker-compose up -d
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```
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*After merging PR, a new tag should pushed to the repository to create a new image. Use the convention: `YYYYMMDD-N` for tags where N is a daily counter (see the existing tags as an example).
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After tag is published (and built by Docker Hub), the used runner version can be updated by modifying the `docker.ozone-runner.version` version in [hadoop-ozone/dist/pom.xml](https://github.com/apache/ozone/blob/master/hadoop-ozone/dist/pom.xml)
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## Building multi-architecture images
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To build images with multiple architectures, use `docker buildx`.
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For example, to build images for both `linux/amd64` and `linux/arm64`, run:
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```bash
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docker buildx build --platform linux/amd64,linux/arm64 -t apache/ozone-runner:dev . --progress=plain
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```
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It might be slow when building the non-native architecture image due to QEMU emulation.
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Images are tagged by date, and come in two flavors: `jdk21` (for Ozone 2.0+) and `jdk11` (for Ozone 1.x).

‎build.sh‎

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#!/usr/bin/env bash
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# 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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -eu -o pipefail
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docker build -t apache/ozone-runner:dev "$@" .

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