Re: Daniel Kahn Gillmor 2018-02-28
> In particular, a user .service named "exampled" which keeps its
> state in `~/.config/example`. An `exampled.service` unit might be
> configured with:
> So that if the user service is ever started, the cluster will be
> created on demand (in `~/.config/example/data`) and the "example"
> database will be ready for use (via unix-domain sockets in
> `$XDG_RUNTIME_DIR/example/`) before the user service is started.
this is very interesting, especially Type=notify. I haven't yet had
time to look closely at the patches - my first question would be if we
could integrate the idea more tightly with the existing postgresql@
services which are already capable of launching clusters for different
users (though currently hardcoded to /etc/postgresql/*). The cluster
machinery itself (pg_ctlcluster and friends) can operate on different
roots if PG_CLUSTER_CONF_ROOT is set. Maybe that can be incorporated
to work better together.
One thing I have been thinking about was to replace pg_ctlcluster with
something more systemd-specific, including Type=notify operation. This
looks about what you have here.
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