meta-digi/meta-digi-dey/recipes-connectivity/vsftpd/vsftpd/vsftpd-cert.service

[Unit]
Description=Vsftpd ftp daemon certificate generation
Before=vsftpd.service
ConditionPathExists=!/etc/##VSFTPD_PEM##

[Service]
Type=oneshot
ExecStart=/etc/vsftpd-cert

[Install]
WantedBy=multi-user.target