Updater Script for Synthing Discovery and Relay Server

A script that uses the Github API to fetch the latest release of Syncthing Discovery- or Relay-Server.

The scripts replaces the server executables every time it runs with the latest version, regardless if there is a difference between the installed and downloaded version.

Errors are send to an administrator via email.

Bash scripts can be used as Cron jobs.

Works best on Centos 7 with stdisco and strelay as systemd services.

Assumptions

• Executables for relay and discovery server are in /usr/local/bin and are named stdiscosrv and strelaysrv.
• Systemd units named stdiscosrv.service and strelaysrv.service are set up.
• Running CENTOS 7 and Python3.6 is installed via Software Collections. If not, alter the Bash files and insert the path to the python3 executable.
• You can send emails with the sendmail command. If not, change the LOG_ERRORS_TO_MAIL variable in the python script to False.

Installation

• Copy the python file to /opt/updater.
• Copy the two Bash files to /etc/cron.daily.
• Change the email addresses in the python script to meet your specific environment.