On Wed, 2011-08-24 at 20:19 +0200, Lennart Poettering wrote: > On Wed, 24.08.11 10:10, Jesse Keating (jkeating@xxxxxxxxxxxxxxx) wrote: > > > >> FWIW, I do think that there may be use-cases for socket activation of a > > >> database. I'd like to support the option ... the problem is to do so > > >> without breaking existing, expected behaviors. > > > > > > It was noted up-thread that systemd can tell you whether the underlying > > > daemon is running or not, though I guess that doesn't tell you whether > > > it's entirely in a functional state. You could do a two-stage thing: > > > check with systemd whether the daemon is running, and ping it if so? > > > > > > Some of the argument here is that it is difficult to do this from a > > remote host. You'd have to engage in remote execution of software, > > e.g. using nagios nrpe to remotely (from the nagios system) execute > > commands on the database system to call systemd to check the status of > > the db. > > systemctl actually knows the -H switch to access remote systems (via > ssh), but this needs a patch to dbus to actually work which I still > haven't found time to ultimately clean up for proper inclusion. Monitoring system generally do not have (nor should have) ssh access to other servers. Simo. -- Simo Sorce * Red Hat, Inc * New York -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
