Hi,
We are interested in having cephadm log to journald. So I create the ticket:
https://tracker.ceph.com/issues/62233
Thanks
Luis Domingues
Proton AG
------- Original Message -------
On Saturday, July 29th, 2023 at 20:55, John Mulligan
<phlogistonj...@asynchrono.us> wrote:
> On Friday, July 28, 2023 11:51:06 AM EDT Adam King wrote:
>
> > Not currently. Those logs aren't generated by any daemons, they come
> > directly from anything done by the cephadm binary one the host, which tends
> > to be quite a bit since the cephadm mgr module runs most of its operations
> > on the host through a copy of the cephadm binary. It doesn't log to journal
> > because it doesn't have a systemd unit or anything, it's just a python
> > script being run directly and nothing has been implemented to make it
> > possible for that to log to journald.
>
>
>
> For what it's worth, there's no requirement that a process be executed
> directly by a specific systemd unit to have it log to the journal. These days
> I'm pretty sure that anything that tries to use the local syslog goes to the
> journal. Here's a quick example:
>
> I create foo.py with the following:
> `import logging import logging.handlers import sys handler =
> logging.handlers.SysLogHandler('/dev/log') handler.ident = 'notcephadm: ' h2
> = logging.StreamHandler(stream=sys.stderr) logging.basicConfig(
> level=logging.DEBUG, handlers=[handler, h2], format="(%(levelname)s):
> %(message)s", ) log = logging.getLogger(__name__) log.debug("debug me")
> log.error("oops, an error was here") log.info("some helpful information goes
> here")`
> I ran the above and now I can run:
> `$ journalctl --no-pager -t notcephadm Jul 29 14:35:31 edfu
> notcephadm[105868]: (DEBUG): debug me Jul 29 14:35:31 edfu
> notcephadm[105868]: (ERROR): oops, an error was here Jul 29 14:35:31 edfu
> notcephadm[105868]: (INFO): some helpful information goes here`
>
> Just getting logs into the journal does not even require one of the libraries
> specific to the systemd journal. Personally, I find centralized logging with
> the
> syslog/journal more appealing than logging to a file. But they both have their
> advantages and disadvantages.
>
> Luis, I'd suggest that you should file a ceph tracker issue [1] if having
> cephadm log this way is a use case you would be interested in. We could also
> discuss the topic further in a ceph orchestration weekly meeting.
>
>
> [1]: https://tracker.ceph.com/projects/orchestrator/issues/new
>
> > On Fri, Jul 28, 2023 at 9:43 AM Luis Domingues luis.doming...@proton.ch
> > wrote:
> >
> > > Hi,
> > >
> > > Quick question about cephadm and its logs. On my cluster I have every
> > > logs
> > > that goes to journald. But on each machine, I still have
> > > /var/log/ceph/cephadm.log that is alive.
> > >
> > > Is there a way to make cephadm log to journald instead of a file? If yes
> > > did I miss it on the documentation? Of if not is there any reason to log
> > > into a file while everything else logs to journald?
> > >
> > > Thanks
> > >
> > > Luis Domingues
> > > Proton AG
> > > _______________________________________________
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> >
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>
>
>
>
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