[Unit]
Description=Import hcloud network config
Requires=hcloud-dl-metadata.service
After=hcloud-dl-metadata.service
ConditionPathExists=/etc/systemd/network/default.network

[Service]
Type=oneshot
DynamicUser=yes
ExecStart=/usr/local/bin/hcloud-network 
StandardOutput=truncate:/etc/systemd/network/default.network

[Install]
WantedBy=multi-user.target