Release Flatcar Container Linux Alpha 4230.0.1, Beta 4186.1.1, Stable 4152.2.1, LTS 4081.3.1

[sayanchowdhury]

The release of the following Flatcar Container Linux version is planning , .

• Alpha 4230.0.1
• Beta 4186.1.1
• Stable 4152.2.1
• LTS 4081.3.1

1. Preparation

Owner: @tormath1

• A. Go/No-Go hackmd doc created from HackMD template for test tracking and release notes: (update the link here)
• B. All planned changes are merged & blocker bugs are fixed, last nightly reviewed for problems.
• C. Check that the kernel PR are merged for the channel(s) to be released.

2. Build

Owner: @tormath1

- [ ] A. Branched off the main branch (only for new major).

• B. Tagged all the build branches.
• C. Started the Jenkins builds, post the links into this issue as comment.

3. Release

i. The Go/No-Go Meeting

Owner: @tormath1 / @sayanchowdhury

• A. Test status captured in the HackMD document.
• B. All tests are Green.
• C. Release notes / announcements added to Go/No Go doc from container/image_changes job by selecting Timestamps: None.
• D. QA: Checked the diff for image file list, packages, and image size in the container/image_changes job output.
• E. Conduct Matrix Go/No Go meeting (inc. release notes review).

ii. Artifacts goes public

Owner: @sayanchowdhury

• A. Ran the container/release Release job.
• B. Created the Release Notes on the scripts repo for the respective tags on GitHub as GitHub Releases.
• C. Images uploaded with copy-to-origin.sh.
• D. Symlink to "current" updated with set-symlink.sh.
• E. Website updated with ./update-flatcar-versions.sh and PR merged.

iii. Payload

Owner: @tormath1 / @dongsupark

• A. Update payload signed/uploaded.
• B. Release package published in Nebraska (Prerequisite: 3.ii.E should marked done).

iv. Cloud Marketplace & Cluster API

Owner: @sayanchowdhury / @t-lo

• A. Azure

  • Offers updated and started publishing.
  • Sent the offers to publish to Live.

• B. GCP

  • Offer deployment package uploaded to Google Bucket & submit for verification.
  • Offer Publish

• C. Cluster API for new Stable

  • Azure: Manually run ./azure-sig.sh to create New Shared Community Gallery Images
  • OpenStack: documentation

4. Announcements

Owner:

• A. Sent announcement to Mailing Lists
• B. Sent Tweet out to X (Twitter), and Toot out to Mastodon
• C. Brief version announcement in slack (k8s slack #flatcar) and the Flatcar Matrix channel