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Service Wrapper Scripts

If your service requires to run additional commands, executed before the service is actually started, like the systemd ExecStartPre, you can use a wrapper shell script to start your service.

The Finit service .conf file can be put into /etc/finit.d/available, so you can control the service using initctl. Then use the path to the wrapper script in the Finit .conf service stanza. The following example employs a wrapper script in /etc/start.d.

Example:

  • /etc/finit.d/available/program.conf:

    service [235] <!> /etc/start.d/program -- Example Program

  • /etc/start.d/program:

    #!/bin/sh
# Prepare the command line options
OPTIONS="-u $(cat /etc/username)"

# Execute the program
exec /usr/bin/program $OPTIONS

Note

The example sets <!> to denote that it doesn't support SIGHUP. That way Finit will stop/start the service instead of sending SIGHUP at restart/reload events.