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Release

make release target can be used to create a release. Environment variable RELEASE_VERSION (default value latest) can be used to define the release version. The release target will:

  • Update all tags of Docker images to RELEASE_VERSION
  • Update documentation version to RELEASE_VERSION
  • Set version of the main Maven projects (topic-operator and cluster-operator) to RELEASE_VERSION
  • Create TAR.GZ and ZIP archives with the Kubernetes and OpenShift YAML files which can be used for deployment and documentation in HTML format.

The release target will not build the Docker images - they should be built and pushed automatically by Travis CI when the release is tagged in the GitHub repository. It also doesn't deploy the Java artifacts anywhere. They are only used to create the Docker images.

The release process should normally look like this:

  1. Create a release branch
  2. Export the desired version into the environment variable RELEASE_VERSION
  3. Run make clean release
  4. Commit the changes to the existing files (do not add the newly created top level TAR.GZ, ZIP archives or .yaml files into Git)
  5. Push the changes to the release branch on GitHub
  6. Create the tag and push it to GitHub. Tag name determines the tag of the resulting Docker images. Therefore the Git tag name has to be the same as the RELEASE_VERSION, i.e. git tag ${RELEASE_VERSION},
  7. Once the CI build for the tag is finished and the Docker images are pushed to Docker Hub, Create a GitHub release and tag based on the release branch. Attach the TAR.GZ/ZIP archives, YAML files (for installation from URL) from step 4 and the Helm Chart to the release
  8. On the master git branch
  • Update the versions to the next SNAPSHOT version using the next_version make target. For example to update the next version to 0.6.0-SNAPSHOT run: make NEXT_VERSION=0.6.0-SNAPSHOT next_version.
  • Copy the helm-charts/index.yaml from the release branch to master.
  1. Update the website
  • Add release documentation to strimzi.github.io/docs/. Update references to docs in strimzi.github.io/documentation/index.md and strimzi.github.io/documentation/archive/index.md. Update also the link from the start page: strimzi.github.io/index.md.
  • Update the Helm Chart repository file by copying strimzi-kafka-operator/helm-charts/index.yaml to strimzi.github.io/charts/index.yaml.
  • Update the Quickstarts for OKD and Minikube to use the latest stuff.
  • Update the _redirects file to make sure the /install/latest redirect points to the new release.
  1. The maven artifacts (api module) will be automatically staged from TravisCI during the tag build. It has to be releases from Sonatype to get to the main Maven repositories.
  2. Update the Strimzi manifest files in Operate Hub community operators repository and submit a pull request upstream. Note: Instructions for this step need updating.