El mar, 19 ene 2021 a las 17:24, John Chivian via rsyslog
(<[email protected]>) escribió:
>
> ruleset (name=“from_input”) {
>   call write_to_file
>   call to_central_siem
>   call to_separate_file
> }
>
> If I understand the internals, each call is essentially a “duplicated fork” 
> that will operate independently of each other.  It’s in the documentation 
> somewhere, but using the call mechanism is correct.

YES, BUT ... you need to assign a queue to the called ruleset. Else
it's synchronous.

Rainer

>
> Regards,
>
>
>
> > On Jan 19, 2021, at 09:48, Matthias Sitte via rsyslog 
> > <[email protected]> wrote:
> >
> > Hi there,
> >
> > I am looking into the following configuration but a bit unsure about some 
> > implementation details...
> >
> > Several originators send syslog messages to a rsyslog relay which shall do 
> > the following tasks:
> >
> > 1) Write every log message to separate files based on hostnames.
> >
> > 2) Apply a few filters and send remaining syslog messages to central SIEM 
> > solution.
> >
> > 3) In parallel to 2) apply a different set of filters (not necessarily a 
> > superset) and write remaining syslog messages to a separate file for 
> > realtime monitoring. (I'll just tail this one.)
> >
> > Concatenating steps 2 and 3 within a single ruleset is straightforward but 
> > only works under the assumption that the filters applied in 2 are a subset 
> > of the filters applied in 3.
> >
> > This brings me to my questions: Is there a way to process a single syslog 
> > messages in multiple rulesets (action chains) in parallel without affecting 
> > each other? Is "call()" the right way to go, like use "call rs_siem; call 
> > rs_rtmon" inside a ruleset rs_main?
> >
> > If that isn't possible what would be the best alternative to achieve this? 
> > From the top of my head I could think about sending each message twice for 
> > the two rulesets rs_siem and rs_rtmon...
> >
> > Best,
> > Matthias
> >
> > PS: Apologies if this question has been asked and answered on the 
> > mailinglist but I didn't manage to find it. Please simply point to the 
> > email thread so I can digest the info from there.
> >
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