K8s Cluster Requirements

Hardware requirements

For sandbox setups

Purpose	vCPUs	RAM	Storage (SSD)	Number of Virtual Machines*	Preferred Operating System
Cluster nodes	8	32 GB	128 GB	3	Ubuntu Server 20.04
Wireguard	4	16 GB	64 GB	1	Ubuntu Server 20.04

For staging setups

Purpose	vCPUs	RAM	Storage (SSD)	Number of Virtual Machines*	Preferred Operating System
Cluster nodes	8	32 GB	128 GB	3	Ubuntu Server 20.04
Wireguard	4	16 GB	64 GB	1	Ubuntu Server 20.04
Backup	4	16 GB	512 GB	1	Ubuntu Server 20.04

For production setups

TBD

Networking requirements

• All the machines in the same network.

• Public IP assigned to the Wireguard machine.

DNS requirements

The following domain names and mappings will be required. Examples:

Domain Name (examples)	Mapped to
openg2p.<your domain> uat.<your domain> pilot.openg2p.<your domain>	"A" Record mapped to Load Balancer IP or at least 3 nodes of the K8s Cluster
. openg2p.<your domain> .uat.<your domain> *.pilot.openg2p.<your domain>	"CNAME" Record mapped to the above domain. (This is a wildcard DNS mapping)

Certificate requirements

One wildcard certificate is required at least, depending on the above domain names used. This can also be generated using letsencrypt.