Date: Thu, 28 Dec 2023 13:24:43 -0500 From: "Dan Langille" <dan@langille.org> To: freebsd-ports <freebsd-ports@freebsd.org> Subject: Re: net-mgmt/net-snmp needs JAIL : off to get Memory usage Message-ID: <fccc3c92-f76a-4ba8-ab5a-e069555c08ed@app.fastmail.com> In-Reply-To: <95c256b2-ec07-4867-bfa2-32f39ba88504@app.fastmail.com> References: <95c256b2-ec07-4867-bfa2-32f39ba88504@app.fastmail.com>
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On Thu, Dec 28, 2023, at 11:28 AM, Dan Langille wrote:
> Hello,
>
> I've just solved a long-puzzling issue with net-mgmt/net-snmp which was
> not reporting Memory Usage on my hosts.
>
> Tests show it is related to the JAIL build-time configuration option.
>
> JAIL=off: Options for running snmpd within a jail(8)
>
> If off, the default, Memory Usage is available via snmpd.
>
> If on, it is not.
>
> One might ask: why have it on if not running in a jail?
>
> Simplicity: I build my own packages. I could have one repo specifically
> for hosts (i.e. non-jails), but until now, it's never been an issue.
>
> However, I want to point that that JAIL=off does not seem to affect
> usage within a jail.
>
> It becomes clear what JAIL does when looking at the Makefile:
>
> if ${PORT_OPTIONS:MJAIL}
> NET_SNMP_WITHOUT_MIB_MODULE_LIST+= host
> NET_SNMP_WITHOUT_MIB_MODULE_LIST+= ucd-snmp/memory
> CONFIGURE_ARGS+= --without-kmem-usage
> endif
>
> Not it's clear. Don't report host-like objects when within a jail.
>
> It is time for some flavors on this port? I know I'd like one for my
> use: one without the above and with.
>
> I'll see if I can mangle something up which works.
This works for me.
--
Dan Langille
dan@langille.org
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