On Sun, 28 Jan 2018 at 6:22 am, Andrei Borzenkov <arvidj...@gmail.com> wrote:
> 26.01.2018 05:11, Amit Saha пишет: > > Hello, > > > > I have a systemd service - drainconnections which I want to to make sure > > finishes stopping before systemd starts stopping another service. What I > > also want is to if I stop supervisord service, drainconnections should be > > stopped first. > > > > It seems like BindsTo is what I need for establishing the coupling > between > > the two units. > > If your description of services relationship is accurate and complete, > BindsTo is too strong here; you really need just PartsOf. Thanks. PartOf looks like something more suitable. Would having PartOf in supervisord obey the before after relationship setup by drainconnections service? I will give it a shot. > > > > The following unit file describes drainconnections: > > > > > > [Unit] > > Description=Drain Connections > > After=supervisord.service > > BindsTo=supervisord.service > > > > [Service] > > Type=oneshot > > RemainAfterExit=True > > ExecStart=/bin/true > > I think recent sytsemd relaxes requirement, so you can omit ExecStart here. Thanks. > > > > ExecStop=/usr/bin/touch /var/shuttingdown1 > > ExecStop=/usr/bin/sleep 60 > > ExecStop=/usr/bin/touch /var/shuttingdown2 > > > > [Install] > > WantedBy=multi-user.target > > > > > > In addition, I also needed to add BindsTo=drainconnections to the > > supervisord service. > > > > This will create dependency loop with your unit definition shown above. Wouldn’t the Before/After take care of breaking the dependency loop? That seems to be what I observed. > > > Things work as desired for me considering the above configuration. > > > > Am I on the right track here? Thanks in advance. > > > > Best Wishes, > > Amit. > > > > > > > > _______________________________________________ > > systemd-devel mailing list > > systemd-devel@lists.freedesktop.org > > https://lists.freedesktop.org/mailman/listinfo/systemd-devel > > > >
_______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel
