Prometheus Ubuntu 22.04

[ghost]

This PR updates the prometheus server to Ubuntu 22.04 (#381)

Go Live plan

• Merge and deploy
• Populate the new Prometheus database

ssh ocp20
systemctl stop prometheus-server.service
rm -rf /home/prometheus-server/data/* # Remove temporary data
ssh ocp03 -p 8255
rsync -avz ocp03:/home/prometheus-server/data/ /home/prometheus-server/data/ # Populate database
systemctl start prometheus-server.service

• Update DNS
• Deploy firewall changes to all serversa

[ghost]

Placeholder IP address until the IPv6 process is finalised. #409

[jpmckinney]

Can you add the directory to copy to https://ocdsdeploy.readthedocs.io/en/latest/deploy/create_server.html#migrate-from-the-old-server ?