"systemctl cat etcd" on a CoreOS host

gistfile1.txt

$ systemctl cat etcd
# /usr/lib64/systemd/system/etcd.service
[Unit]
Description=etcd

[Service]
User=etcd
PermissionsStartOnly=true
Environment=ETCD_DATA_DIR=/var/lib/etcd
Environment=ETCD_NAME=%m
ExecStart=/usr/bin/etcd
Restart=always
RestartSec=10s

# /run/systemd/system/etcd.service.d/10-oem.conf
[Service]
Environment=ETCD_PEER_ELECTION_TIMEOUT=1200

# /run/systemd/system/etcd.service.d/20-cloudinit.conf
[Service]
Environment="ETCD_ADDR=10.0.0.42:4001"
Environment="ETCD_DISCOVERY=https://discovery.etcd.io/12345678123456781234567812345678"
Environment="ETCD_PEER_ADDR=10.0.0.99:7001"
Environment="ETCD_PEER_ELECTION_TIMEOUT=2000"
Environment="ETCD_PEER_HEARTBEAT_INTERVAL=500"