vendor/github.com/coreos/etcd/hack/scripts-dev/docker-dns/certs-common-name-multi/server-ca-csr-3.json

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