THis change will install rancher, purelb and cert-manager, then
configure a dmz and common ip pool to be used by loadbalancers. The
nginx ingres controller is configured to use 198.18.200.0 (common) and
announce the ip from all nodes so that it becomes an anycast ip in ospf.
- manage the install of rancher, purelb and cert-manager
- add rancher ingress routes
- add nginx externalip/loadBalancer
