SUCCESS: Upgrade Geo HA installation from 12.5.x to the latest 12.6 package

Versions

Current: 12.5.7 Target: 12.6.6

Upgrade checklist

Preflight - upgrade

• Create a zoom meeting and schedule a recorded meeting (make sure you have a paid account, otherwise recordings will stop after 40 minutes)
• Check if the Geo HA update instructions contain version specific changes
• Check if PostgreSQL version is updated
• Check if any upgrade warnings exist
• Verify that the Geo cluster is healthy pre upgrade
• Find the latest packaged version of GitLab that can be used for zero downtime upgrades
• Set up the looping test pipeline to run during the upgrade procedure

Upgrade

• Retrieve a beverage of choice within a drinkable temperature range
• Join Zoom meeting and wait for arrival. Hit the record button
• Manually trigger the looping test pipeline to start running smoke tests
• Perform upgrade steps described in latest documentation.
• During the upgrade process, monitor the looping test pipeline for any failures
• Record any issues encountered during the upgrade
• Verify cluster health post upgrade
• Verify PostgreSQL version is correct

Postflight

• Record the upgrade outcome as SUCCESS, FAILED, PARTIAL SUCCESS
• Open new issues and inform @rnienaber and @fzimmer to confirm next steps
• Create new issue for the next upgrade demo (the next versions) and assign to @rnienaber and @fzimmer