Release Flatcar Container Linux Alpha 3732.0.0, Beta 3602.1.6, Stable 3510.2.8

[dongsupark]

The release of the following Flatcar Container Linux version is planning September 21st 2023.

• Alpha 3732.0.0
• Beta 3602.1.6
• Stable 3510.2.8

1. Preparation

Owner: @dongsupark

• A. Go/No-Go hackmd doc created from HackMD template for test tracking and release notes: (https://hackmd.io/WHLJb98ITamt-oMwW_MvXg?view)
• 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: @dongsupark

• 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: @sayanchowdhury

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

ii. Artifacts goes public

Owner: @sayanchowdhury

• A. Created the Release Notes on the scripts repo for the respective tags on GitHub as GitHub Releases.
• B. Ran the container/release Release job.
• 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: @pothos

• 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

• 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 Twitter, and Toot out to Mastodon
• C. Brief version announcement in slack (k8s slack #flatcar) and the Flatcar Matrix channel

[dongsupark]

• Alpha 3732.0.0: http://jenkins.infra.kinvolk.io:8080/job/container/job/sdk/1060/cldsv/
• Beta 3602.1.6: http://jenkins.infra.kinvolk.io:8080/job/container/job/packages_all_arches/2536/cldsv/
• Stable 3510.2.8: http://jenkins.infra.kinvolk.io:8080/job/container/job/packages_all_arches/2535/cldsv/

[sayanchowdhury]

Website PR: flatcar/flatcar-website#277