Date: Mon, 01 Jan 2024 09:17:32 -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: <d8456172-8b62-4867-8fb5-23e07eccd7c3@app.fastmail.com> In-Reply-To: <fccc3c92-f76a-4ba8-ab5a-e069555c08ed@app.fastmail.com> References: <95c256b2-ec07-4867-bfa2-32f39ba88504@app.fastmail.com> <fccc3c92-f76a-4ba8-ab5a-e069555c08ed@app.fastmail.com>
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On Thu, Dec 28, 2023, at 1:24 PM, Dan Langille wrote: > 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 > Attachments: > * patch-net-snmp-jail-flavor I forgot the mailing list strips attachments. Here is that patch, pasted in: [9:16 air01 dan ~/Downloads] % cat patch-net-snmp-jail-flavor diff --git a/net-mgmt/net-snmp/Makefile b/net-mgmt/net-snmp/Makefile index e5f60faefcbd..686c393991ea 100644 --- a/net-mgmt/net-snmp/Makefile +++ b/net-mgmt/net-snmp/Makefile @@ -18,6 +18,17 @@ LICENSE_FILE= ${WRKSRC}/COPYING NOT_FOR_ARCHS= mips mips64 NOT_FOR_ARCHS_REASON= SSP is currently broken on MIPS +FLAVORS= default jail +FLAVORS?= ${FLAVORS:[1]} + +.if ${FLAVOR:U} == jail +NET_SNMP_WITHOUT_MIB_MODULE_LIST+= host +NET_SNMP_WITHOUT_MIB_MODULE_LIST+= ucd-snmp/memory +CONFIGURE_ARGS+= --without-kmem-usage +.endif + +jail_PKGNAMESUFFIX= -jail + OPTIONS_DEFINE= IPV6 MFD_REWRITES PERL PERL_EMBEDDED PYTHON DUMMY TKMIB \ MYSQL AX_SOCKONLY UNPRIVILEGED SMUX DOCS JAIL AX_DISABLE_TRAP \ TLS NEWSYSLOG NOLIBPKG SCTP [9:17 air01 dan ~/Downloads] % -- Dan Langille dan@langille.org
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