sysadmin@controller-0:~$ cat localhost.yml 

system_mode: simplex

dns_servers:
  - 8.8.8.8
  - 8.8.4.4

external_oam_subnet: 210.211.109.111/27
external_oam_gateway_address: 210.211.109.126
external_oam_floating_address: 210.211.109.111

admin_username: admin
admin_password: Admin@EDIT
ansible_become_pass: Admin@EDIT

# OPTIONALLY provide a ROOT CA certificate and key for k8s root ca,
# if not specified, one will be auto-generated,
# see ‘Kubernetes Root CA Certificate’ in Security Guide for details.
k8s_root_ca_cert:
k8s_root_ca_key: 
apiserver_cert_sans:
  - vn.optimcloud.com