okd/roles/etcd_upgrade/defaults/main.yml

---
r_etcd_upgrade_action: upgrade
r_etcd_upgrade_mechanism: rpm
r_etcd_upgrade_embedded_etcd: false
r_etcd_common_embedded_etcd: "{{ r_etcd_upgrade_embedded_etcd }}"
# etcd run on a host => use etcdctl command directly
# etcd run as a docker container => use docker exec
# etcd run as a runc container => use runc exec
etcdctl_command: "{{ 'etcdctl' if r_etcd_common_etcd_runtime == 'host' or r_etcd_upgrade_embedded_etcd | bool else 'docker exec etcd_container etcdctl' if r_etcd_common_etcd_runtime == 'docker' else 'runc exec etcd etcdctl' }}"