# cat >/etc/systemd/system/etcdBackup.service<<EOF
[Unit]
Description=Logs system statistics to the systemd journal
Wants=etcdBackup.timer

[Service]
Type=oneshot
ExecStart=/data/script/etcd_backup.sh

[Install]
WantedBy=multi-user.target
EOF



# cat >/etc/systemd/system/etcdBackup.timer<<EOF
[Unit]
Description=Etcd data backup
Requires=etcdBackup.service

[Timer]
# 同名可以忽略
#Unit=etcdBackup.service
OnCalendar=*-*-* 00:00:00
Persistent=true

[Install]
WantedBy=timers.target
EOF


systemctl enable  etcdBackup.timer --now


# systemctl list-timers etcdBackup.timer