fixtures/parameters/text/source.txt
coreos:
etcd2:
discovery: "https://discovery.etcd.io/@param:coreos-token"
advertise-client-urls: "http://$public_ipv4:2379"
initial-advertise-peer-urls: "http://$private_ipv4:2380"
listen-client-urls: "http://0.0.0.0:2379,http://0.0.0.0:4001"
listen-peer-urls: "http://$private_ipv4:2380,http://$private_ipv4:7001"