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How to create a govmomi Release on Github

Note

The steps outlined in this document can only be performed by maintainers or administrators of this project.

The release automation is based on Github Actions and has been improved over time to simplify the experience for creating govmomi releases.

The Github Actions release workflow uses goreleaser and automatically creates/pushes:

  • Release artifacts for govc and vcsim to the release page, including LICENSE.txt, README and CHANGELOG
  • Docker images for vmware/govc and vmware/vcsim to Docker Hub
  • Source code

Releases are not tagged on the main branch, but a dedicated release branch, for example release-0.35.

Verify main branch is up to date with the remote

git checkout main
git fetch -avp
git diff main origin/main

# if your local and remote branches diverge run
git pull origin/main

Warning

These steps assume origin to point to the remote https://github.com/vmware/govmomi, respectively git@github.com:vmware/govmomi.

Create a release branch

For new releases, create a release branch from the most recent commit in main, e.g. release-0.35.

export RELEASE_BRANCH=release-0.35
git checkout -b ${RELEASE_BRANCH}

For maintenance/patch releases on existing release branches, simply checkout the existing release branch and add commits to the existing release branch.

Verify make docs and CONTRIBUTORS are up to date

Warning

Run the following commands and commit any changes to the release branch before proceeding with the release.

make doc
./scripts/contributors.sh
if [ -z "$(git status --porcelain)" ]; then
  echo "working directory clean: proceed with release"
else
  echo "working directory dirty: please commit changes"
fi

# perform git add && git commit ... in case there were changes

Push the release branch

Warning

Do not create a tag as this will be done by the release automation.

The final step is pushing the new/updated release branch.

git push origin ${RELEASE_BRANCH}

Create a release in the Github UI

Open the govmomi Github repository and navigate to Actions -> Workflows -> Release.

Click Run Workflow which opens a dropdown list.

Select the new/updated branch, e.g. release-0.35, i.e. not the main branch.

Specify a semantic tag to associate with the release, e.g. v0.35.0.

Warning

This tag must not exist or the release will fail during the validation phase.

By default, a dry-run is performed to rule out most (but not all) errors during a release. If you do not want to perform a dry-run, e.g. to finally create a release, deselect the Verify release workflow ... checkbox.

Click Run Workflow to kick off the workflow.

After successful completion and if the newly created tag is the latest (semantic version sorted) tag in the repository, a PR is automatically opened against the main branch to update the CHANGELOG.