{ "key": { "algo": "rsa", "size": 2048 }, "names": [ { "O": "etcd", "OU": "etcd Security", "L": "San Francisco", "ST": "California", "C": "USA" } ], "CN": "test-common-name", "hosts": [ "m1.etcd.local", "m2.etcd.local", "m3.etcd.local", "127.0.0.1", "localhost" ] }