Deploying the following manifest will connect the host (yes, the host!) to an OpenVPN server. Simply place a .conf file in /etc/openvpn on the host (yes, the host!), then deploy this manifest!

wget -O /var/lib/rancher/k3s/server/manifests/openvpn-client.yaml https://gitlab.internal.bcx.zone/adam/k3s-piprov/snippets/32/raw