okd/roles/etcd/defaults/main.yaml

---
etcd_interface: eth0
etcd_client_port: 2379
etcd_peer_port: 2380
etcd_peers_group: etcd
etcd_url_scheme: http
etcd_peer_url_scheme: http
etcd_ca_file: /etc/etcd/ca.crt
etcd_cert_file: /etc/etcd/client.crt
etcd_key_file: /etc/etcd/client.key
etcd_peer_ca_file: /etc/etcd/ca.crt
etcd_peer_cert_file: /etc/etcd/peer.crt
etcd_peer_key_file: /etc/etcd/peer.key

etcd_initial_cluster_state: new
etcd_initial_cluster_token: etcd-cluster-1

etcd_initial_advertise_peer_urls: "{{ etcd_peer_url_scheme }}://{{ hostvars[inventory_hostname]['ansible_' + etcd_interface]['ipv4']['address'] }}:{{ etcd_peer_port }}"
etcd_listen_peer_urls: "{{ etcd_peer_url_scheme }}://{{ hostvars[inventory_hostname]['ansible_' + etcd_interface]['ipv4']['address'] }}:{{ etcd_peer_port }}"
etcd_advertise_client_urls: "{{ etcd_url_scheme }}://{{ hostvars[inventory_hostname]['ansible_' + etcd_interface]['ipv4']['address'] }}:{{ etcd_client_port }}"
etcd_listen_client_urls: "{{ etcd_url_scheme }}://{{ hostvars[inventory_hostname]['ansible_' + etcd_interface]['ipv4']['address'] }}:{{ etcd_client_port }}"

etcd_data_dir: /var/lib/etcd/
os_firewall_allow:
- service: etcd
  port: "{{etcd_client_port}}/tcp"
- service: etcd peering
  port: "{{ etcd_peer_port }}/tcp"