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Welcome to the documentation for Fleet, the lightweight telemetry platform for servers and workstations.

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Releasing Fleet

Releasing Fleet

Release process

This section outlines the release process at Fleet.

The current release cadence is once every three weeks and concentrates around Wednesdays.

Release testing

To make sure we build quality releases, Fleet has a freeze period for testing prior to each release. Effective at the start of the freeze period, we will not merge new feature work.

When bugs are found during release testing, use the process documented in our handbook. Release bugs are exempt from the freeze period.

What to do?

Note: Please prefix versions with fleet-v (e.g., fleet-v4.0.0) in git tags, Helm charts, and NPM configs.

  1. Update the CHANGELOG with the changes you made since the last Fleet release. Use make changelog to pull the changes files into CHANGELOG.md, then manually edit. When editing, order the most relevant/important changes at the time and try to make the tone and syntax of the written language match throughout the document. make changelog will stage all changes file entries for deletion with the commit.

    Add a "Performance" section below the list of changes. This section should summarize the number of hosts that the Fleet server can handle, call out if this number has changed since the last release, and list the infrastructure used in the load testing environment.

    Update version numbers in the relevant files:

    Commit these changes via Pull Request and pull the changes on the main branch locally. Check that HEAD of the main branch points to the commit with these changes.

  2. Tag and push the new release in Git:

    git tag fleet-v<VERSION>
    git push origin fleet-v<VERSION>
    

    Note that origin may be upstream depending on your git remote configuration. The intent here is to push the new tag to the github.com/fleetdm/fleet repository.

    After the tag is pushed, GitHub Actions will automatically begin building the new release.


    Wait while GitHub Actions creates and uploads the artifacts.


    When the Actions Workflow has been completed:

  3. Edit the draft release on the GitHub releases page. Use the version number as the release title. Use the below template for the release description (replace items in <> with the appropriate values):

    ### Changes
    
    <COPY FROM CHANGELOG>
    
    ### Upgrading
    
    Please visit our [update guide](https://fleetdm.com/docs/deploying/upgrading-fleet) for upgrade instructions.
    
    ### Documentation
    
    Documentation for Fleet is available at [fleetdm.com/docs](https://fleetdm.com/docs).
    
    ### Binary Checksum
    
    **SHA256**
    
    <COPY FROM checksums.txt>
    

When editing is complete, publish the release.

  1. Publish the new version of fleetctl on NPM. Run npm publish in the fleetctl-npm directory. Note that NPM does not allow replacing a package without creating a new version number. Take care to get things correct before running npm publish!
An icon indicating that this section has important information

If releasing a "prerelease" of Fleet, run npm publish --tag prerelease. This way, you can publish a prerelease of fleetctl while the most recent fleetctl npm package, available for public download, is still the latest official release.

  1. Deploy the new version to Fleet's internal dogfood instance: https://fleetdm.com/handbook/engineering#deploying-to-dogfood.

  2. In the #g-infrastructure Slack channel, notify the @sandbox-oncall of the release. This way, the @sandbox-oncall individual can deploy the new version.

  3. Announce the release in the #fleet channel of osquery Slack and update the channel's topic with the link to this release. Using @here requires admin permissions, so typically this announcement will be done by @zwass.

    Announce the release via blog post (on Medium) and Twitter (linking to blog post).

Patch releases

A patch release is required when a critical bug is found. Critical bugs are defined in our handbook.

Process

  1. The DRI for release testing/QA notifies the directly responsible individual (DRI) for creating the patch release branch to create the new branch, starting from the git tag of the prior release. Patch branches should be prefixed with patch-. In this example we are creating 4.3.1:

    git checkout fleet-v4.3.0
    git checkout --branch patch-fleet-v4.3.1
    
  2. The DRI for creating the patch release branch cherry picks the necessary commits into the new branch:

    git cherry-pick d34db33f
    
  3. The DRI for creating the patch release branch pushes the branch to github.com/fleetdm/fleet:

    git push origin patch-fleet-v4.3.1
    

    When a patch-* branch is pushed, the Docker publish Action will be invoked to push a container image for QA with fleetctl preview (eg. fleetctl preview --tag patch-fleet-v4.3.1).

  4. The DRI for creating the patch release branch checks in the GitHub UI that Actions ran successfully for this branch.

  5. The DRI for creating the patch release branch notifies the DRI for release testing/QA that the branch is available for completing smoke tests.

  6. The DRI for release testing/QA makes sure the standard release instructions at the top of this document are followed. Be sure that modifications to the changelog and config files are commited on the patch-* branch.

  7. The DRI for release testing/QA notifies the DRI for the release ritual that the patch release is ready. The DRI for the release ritual releases the patch.

  8. The DRI for creating the patch release branch cherry-picks the commit containing the changelog updates into a new branch, and merges that commit into main through a Pull Request.

  9. Important! The DRI for creating the patch release branch manually checks the database migrations. Any migrations that are not cherry-picked in a patch must have a later timestamp than migrations that were cherry-picked. If there are new migrations that were not cherry-picked, verify that those migrations have later timestamps. If they do not, submit a new Pull Request to increase the timestamps and ensure that migrations are run in the appropriate order.

    TODO #2850: Improve docs/tooling for this.

Did we miss anything?

If you notice something we've missed or could be improved on, please follow this link and submit a pull request to the Fleet repo.