Provide default value for etcd token
The etcdtoken was used in etcd setup, earlier ansible versions
provide default values, but newer versions (after 2.4.0.0)
explicitly requires that the value to be set. This patch set
provides a value for the variable.
set_fact:
fabricroot: "/opt/fabric"
etcd_cluster: ""
+ etcdtoken: "{{ lookup('password', '../../run/token chars=ascii_letters,digits length=8') }}"
node_ip: "{{ hostvars[inventory_hostname].private_ip }}"
node_name: "{{ hostvars[inventory_hostname].inter_name }}"
