Re: Install script supporting sysV init?

[Julien Lepiller]

Le 27 janvier 2020 11:09:20 GMT-05:00, Jan <address@hidden> a écrit :
>Thanks, this generally works, except this line:
>> GUIX_LOCPATH=/var/guix/profiles/per-user/root/guix-profile/lib/locale
>> -E LC_ALL=en_US.utf8 -p /var/lock/guix-daemon.pid guix-daemon
>While trying to start the daemon, daemonize complains about the path
>not being absolute.
>I changed "guix-daemon"
>to
>"/gnu/store/ncknl03pkmamrxg7q9nxi1rn1qhvwbi9-guix-1.0.1/bin/guix-daemon"
>and it worked, but it isn't the right solution I guess. What should I
>do?
>
>On Sun, 26 Jan 2020 23:38:20 +0100
>Danny Milosavljevic <address@hidden> wrote:
>
>> Hi Jan,
>> 
>> > Does someone plan writing init script for Guix, so it will work on
>> > distributions using sysV init? There are still distributions not
>> > using systemd, for example Devuan and last time I checked, the
>> > install script doesn't support it.  
>> 
>> I'm all for supporting it, but I can't remember all the idiocracies
>> and I have no machine to test it on.
>> 
>> That said, sysv init scripts are just shell scripts which support the
>> arguments "start", "status", "stop" and sometimes have an LSB header
>> specifying where to put the stuff (which runlevels are supposed to
>> have it).
>> 
>> We would basically put the following file into
>/etc/init.d/guix-daemon
>> and make it executable:
>> 
>> #!/bin/bash -e
>> ### BEGIN INIT INFO
>> # Provides:          guix-daemon
>> # Required-Start:    $remote_fs $syslog
>> # Required-Stop:     $remote_fs $syslog
>> # Default-Start:     2 3 4 5
>> # Default-Stop:      0 1 6
>> # Short-Description: Guix build daemon
>> # Description:       Provides a daemon that does builds for Guix
>> ### END INIT INFO
>> 
>> case "$1" in
>> start)
>>   daemonize -a -e /var/log/guix-daemon-stderr.log
>> -o /var/log/guix-daemon-stdout.log -E
>> GUIX_LOCPATH=/var/guix/profiles/per-user/root/guix-profile/lib/locale
>> -E LC_ALL=en_US.utf8 -p /var/lock/guix-daemon.pid guix-daemon
>> --build-users-group=guixbuild ;; stop)
>> pid="`cat /var/lock/guix-daemon.pid`" if [ ! -z "${pid}" ] then
>>     kill "${pid}"
>>     sleep 10
>>     kill -9 "${pid}"
>>   fi
>>   # TODO: Maybe remove /var/lock/guix-daemon.pid ?
>>   ;;
>> status)
>>   pid="`cat /var/lock/guix-daemon.pid`"
>>   if [ ! -z "${pid}" ]
>>   then
>>     if ps "${pid}" > /dev/null 2> /dev/null
>>     then
>>       echo "running"
>>     else
>>       echo "stale pid file"
>>     fi
>>   else
>>     echo "not running"
>>   fi
>>   ;;
>> *)
>>   echo "Usage: $0 (start|stop|status)"
>>   ;;
>> esac
>> 
>> I think in order to actually install the service one does this:
>> 
>> $ sudo update-rc.d guix-daemon defaults
>> $ sudo update-rc.d guix-daemon enable
>
>
>Jan Wielkiewicz

I think you should set it to 
/var/guix/profiles/per-user/root/current-guix/bin/guix-daemon (or something 
similar). I think we already do that for systemd?