Pulse SSL certs are renewed, the Firefox CI cluster is upgraded, and trees
are reopened.
Please let us know if you notice anything broken.
Thank you CloudOps, Taskcluster, Sheriffs, and Releng teams!


On Wed, Mar 2, 2022 at 6:08 PM Aki Sasaki <[email protected]> wrote:

> The Taskcluster, CloudOps, and Releng teams are planning on rolling out a
> Taskcluster major-version upgrade to the FirefoxCI cluster on Wednesday,
> March 9. Proposed timeline:
>
> - Ask sheriffs to close trees at 3pm UTC / 7am PST
> - Verify with Relman before proceeding
> - Upgrade the cluster at 5pm UTC / 9am PST
> - Reopen trees by 8pm UTC / 12pm PST
>
> This should be a low-risk cluster upgrade, but no one involved has
> first-hand FirefoxCI-major-taskcluster-version-upgrade experience, so we're
> erring on the side of caution.
>
> Once we get past this initial upgrade, we plan to regularly ship updates
> to the FirefoxCI cluster, so these upgrades become non-noteworthy and
> predictably smooth.
>
> Please let us know if you have any questions or concerns.
>
> Backchannels:
> - Slack: #firefox-ci-proj (primary) and #taskcluster-cloudops
> - Matrix: #releaseduty and #firefox-ci
>

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