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Release instructions

Steps to release a new version of the OpenTelemetry Operator:

  1. Create a Prepare release x.y.z pull request with the following content:
    1. Set the version you're releasing as an environment variable for convenience: export VERSION=0.n+1.0
    2. Update versions.txt
      • Operator, target allocator and opamp-bridge should be $VERSION.
      • OpenTelemetry Collector should be the latest collector version. The major.minor should typically match, with the patch portion being possibly different.
      • The autoinstrumentation-* versions should match the latest supported versions in autoinstrumentation/.

        [!WARNING] DO NOT BUMP JAVA PAST 1.X.X AND DO NOT BUMP .NET PAST 1.2.0. Upgrades past these versions will introduce breaking HTTP semantic convention changes.

    3. Check if the compatible OpenShift versions are updated in the Makefile.
    4. Update the bundle by running make bundle VERSION=$VERSION.
    5. Change the compatibility matrix in the compatibility doc file, using the OpenTelemetry Operator version to be released and the current latest Kubernetes version as the latest supported version. Remove the oldest entry.
    6. Update release schedule table, by moving the current release manager to the end of the table with updated release version.
    7. Add the changes to the changelog by running make chlog-update VERSION=$VERSION.
    8. Check the OpenTelemetry Collector's changelog and ensure migration steps are present in pkg/collector/upgrade
  2. Once the changes above are merged and available in main, a draft release will be automatically created. Publish it once the release workflows all complete.
  3. Update the operator version in the Helm Chart, as per the release guide
  4. The GitHub Workflow, submits two pull requests to the Operator hub repositories. Make sure the pull requests are approved and merged.

Generating the changelog

We now use the chloggen to generate the changelog, simply run the following to generate the Changelog:

make chlog-update VERSION=$VERSION

This will delete all entries (other than the template) in the .chloggen directory and create a populated Changelog.md entry. Make sure that the PR you are generating for the release has the [chore] prefix, otherwise CI will not pass.

Release managers

A release manager is the person responsible for a specific release. While the manager might request help from other folks, they are ultimately responsible for the success of a release.

In order to have more people comfortable with the release process, and in order to decrease the burden on a small number of volunteers, all approvers and maintainers are release managers from time to time, listed under the Release Schedule section. That table is updated at every release, with the current manager adding themselves to the bottom of the table, removing themselves from the top of the table.

Release schedule

The operator should be released within a week after the OpenTelemetry collector release.

Version Release manager
v0.116.0 @jaronoff97
v0.117.0 @iblancasa
v0.118.0 @frzifus
v0.119.0 @yuriolisa
v0.120.0 @pavolloffay
v0.121.0 @swiatekm
v0.122.0 @TylerHelmuth