Reference Airship manifests, CICD, and reference architecture.
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PostgreSQL Patroni Upgrade Scripts

Upgrading a live site from the old, unclustered PostgreSQL chart to the newer, Patroni-managed version takes a small amount of out-of-band scripting to ensure a smooth hands-free upgrade.

Prior to upgrade

The patroni_endpoint_cleaner_unit.sh script should be run prior to upgrading the postgresql chart. It installs a systemd unit which in turn will run the patroni_endpoint_cleaner.sh script. During chart upgrade, the script will delete the postgresql endpoints, allowing Patroni to recreate them with the appropriate annotations for it to manage them ongoing.

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Post upgrade

After the chart upgrade is complete, the patroni_endpoint_cleaner_remove.sh script should be run. This will simply clean up the systemd unit that was created previously.