[Unit]
Description=Obtain an OAuth2 access token.
Wants=network-online.target
After=network-online.target

[Service]
Type=oneshot
ExecStart=/usr/local/bin/get-oauth2-token \
  --logtostderr
User=root
Group=root
LimitNOFILE=10000

[Install]
WantedBy=multi-user.target