Am 30.08.2017 um 15:21 schrieb Tony Finch:
Petr Mensik <pemen...@redhat.com> wrote:
But presence of pid files also work as notification of completed
initialization (which is done BEFORE forking and finishing ExecStart
command).
named writes its pidfile relatively early during startup. The parent
doesn't exit until the child daemon has finished starting, so that's a
better notification (though not what systemd wants...).
Service type=simple is not good replacement of forking, because it does
not let you know when service failed to start at all.
Good grief
it's not true, it just don't let you know when start is finsished but
other than sysvcrap systemd *always* let you know when a service failed
and it's easy to write a simple script to catch that events from syslog
and send periodically mails if that happens
what's better than forking/simple and so on is just native systemd
support of the service to use type=notify like it is now poissble with
MariaDB - that's it
maybe i should add that we run Fedora in production for a decade and
with Fedora 15 i siwtched *every* service to native systemd-units since
the Fedora mix of old compat services and new units was a unacceptable mess
so when i talk about systemd and servers i know what i talk about since
we run httpd/mail/dns/epp/smb/afp and what not else likely as one of the
first companies at all with exclusive native units and nothing else for
production servers hosting hundrets of domains
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