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net/munin : add interface description and iostat_ plugins
On Tue, November 11, 2025 16:56, Stuart Henderson wrote:
> On 2025/11/11 13:46, Stuart Henderson wrote:
>> On 2025/11/11 13:55, Olivier Cherrier wrote:
>> > Sorry for this. Here it is.
>>
>> no worries at all, it just makes it easier (which generally makes it
>> more likely to get handled sooner ;)
>>
>> will check/commit.
>
> oh oops, I forgot this has a maintainer. cc'ing kirby@. diff updated
> with minor whitespace nits.
Hi!
Will check this in a couple of days. Looks good at first glance.
>
>> > > > It adds:
>> > > > _ a description to the interface graphics (based on the 'descr'
>> value
>> > > > configured through ifconfig(8), if defined).
>> > > > It is handy when you have many interfaces with similar names.
>> > > > _ some 'iostat_' plugins to graph disk statistics (IO Bytes/s and
>> > > > transfers/s).
>
>
> Index: Makefile
> ===================================================================
> RCS file: /cvs/ports/net/munin/Makefile,v
> diff -u -p -r1.121 Makefile
> --- Makefile 23 May 2024 05:47:01 -0000 1.121
> +++ Makefile 11 Nov 2025 13:56:13 -0000
> @@ -1,14 +1,15 @@
> -PORTROACH = limitw:1,even
> +PORTROACH = limitw:1,even
>
> COMMENT-main = flexible network host monitoring, client
> COMMENT-server =flexible network host monitoring, server
>
> -GH_ACCOUNT = munin-monitoring
> -GH_PROJECT = munin
> +GH_ACCOUNT = munin-monitoring
> +GH_PROJECT = munin
> GH_TAGNAME = 2.0.76
> PKGNAME-main = munin-node-${GH_TAGNAME}
> PKGNAME-server =munin-server-${GH_TAGNAME}
> CATEGORIES = net
> +REVISION = 0
>
> HOMEPAGE = https://munin-monitoring.org/
>
> @@ -72,8 +73,8 @@ FAKE_FLAGS += HTMLDIR=${WRKINST}/${PREF
> DOCDIR=${WRKINST}/${PREFIX}/share/doc/munin \
> CONFDIR=${WRKINST}/${PREFIX}/share/examples/munin
>
> -MUNIN_PLUGINS = bgpd if_pps_ intr pf_changes pf_searches pf_states \
> - sensors_ vmstat
> +MUNIN_PLUGINS = bgpd if_pps_ intr iostat_ pf_changes pf_searches \
> + pf_states sensors_ vmstat
>
> .for i in ${MUNIN_PLUGINS}
> SUBST_LIST += ${FILESDIR}/$i ${WRKSRC}/plugins/node.d.openbsd/$i.in
> Index: files/iostat_
> ===================================================================
> RCS file: files/iostat_
> diff -N files/iostat_
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ files/iostat_ 11 Nov 2025 13:56:13 -0000
> @@ -0,0 +1,92 @@
> +#!/bin/sh
> +# -*- sh -*-
> +#
> +# Wildcard-plugin to monitor disk IOs. To monitor a disk, link
> +# iostat_<disk> to this file. E.g.
> +#
> +# ln -s /usr/local/libexec/munin/plugins/iostat_ \
> +# /etc/munin/plugins/iostat_sd0
> +#
> +# ...will monitor sd0.
> +#
> +# To aggregate all disk traffic on the system, link iostat_aggregated
> +# to this file.
> +#
> +# Magic markers (optional - used by munin-config and some installation
> +# scripts):
> +#
> +#%# family=auto
> +#%# capabilities=autoconf suggest
> +
> +DISK=${0##*iostat_}
> +
> +
> +if [ "$1" = "autoconf" ]; then
> + if [ -x /usr/sbin/iostat -a -x /sbin/sysctl ]; then
> + echo yes
> + exit 0
> + else
> + echo "no (/usr/sbin/iostat or /sbin/sysctl not found)"
> + exit 0
> + fi
> +fi
> +
> +if [ "$1" = "suggest" ]; then
> + if [ -x /sbin/sysctl ]; then
> + /sbin/sysctl hw.disknames | perl -ne '
> + my @disks = split(/=|,/);
> + for my $disk (@disks) {
> + next if $disk =~ m{hw.disknames};
> + my @d = split(/:/, $disk);
> + print "$d[0]\n" if ($d[0] =~ m{[a-z]+\d+}
> + and $d[1] =~ m/.{16}/);
> + }
> + '
> + exit 0
> + else
> + exit 1
> + fi
> +fi
> +
> +if [ "$1" = "config" ]; then
> + echo 'multigraph bytes'
> + echo "graph_title $DISK IO Bytes/s"
> + echo 'graph_args --base 1024'
> + echo 'graph_vlabel Bytes/s'
> + echo 'graph_category disk'
> + echo "graph_info This graph shows IO statistics (total Bytes/s) for $DISK
> disk."
> + # echo 'graph_scale yes'
> + echo "kb.info Data transfered (Bytes/s) on the $DISK disk."
> + echo 'kb.label Bytes transfered'
> + echo 'kb.type DERIVE'
> + # echo 'kb.graph no'
> + echo 'kb.cdef kb,1024,*'
> + echo 'kb.min 0'
> + echo ''
> + echo 'multigraph xfr'
> + echo "graph_title $DISK transfers/s"
> + echo 'graph_args --base 1000'
> + echo 'graph_vlabel xfr/s'
> + echo 'graph_category disk'
> + echo "graph_info This graph shows IO statistics (transfers/s) for $DISK
> disk."
> + # echo 'graph_scale yes'
> + echo "xfr.info Disk transfers (IOPs) on the $DISK disk."
> + echo 'xfr.label Disk transfers'
> + echo 'xfr.type DERIVE'
> + # echo 'xfr.cdef xfr,8,*'
> + echo 'xfr.min 0'
> +
> + exit 0
> +fi
> +
> +/usr/sbin/iostat -ID $DISK | awk '
> + /[[:digit:]]+[[:space:]][[:digit:]]+[[:space:]][[[:digit:]]|\.]+/ {
> + if (NF == 3) {
> + print "multigraph bytes";
> + print "kb.value", $1;
> + print "";
> + print "multigraph xfr";
> + print "xfr.value", $2;
> + }
> +}'
> +
> Index: patches/patch-plugins_node_d_openbsd_if__in
> ===================================================================
> RCS file: /cvs/ports/net/munin/patches/patch-plugins_node_d_openbsd_if__in,v
> diff -u -p -r1.7 patch-plugins_node_d_openbsd_if__in
> --- patches/patch-plugins_node_d_openbsd_if__in 11 Mar 2022 19:46:25 -0000 1.7
> +++ patches/patch-plugins_node_d_openbsd_if__in 11 Nov 2025 13:56:13 -0000
> @@ -13,7 +13,15 @@ Index: plugins/node.d.openbsd/if_.in
> #
> # To aggregate all network interfaces on the system (except lo0),
> # link if_aggregated to this file.
> -@@ -37,7 +37,7 @@ if [ "$1" = "suggest" ]; then
> +@@ -31,13 +31,15 @@ if [ "$1" = "autoconf" ]; then
> + fi
> + fi
> +
> ++DESCR=$(/sbin/ifconfig ${INTERFACE} | /usr/bin/awk -F ': '
> '/description:(.*)$/ {print substr($2, 1, 12);}')
> ++
> + if [ "$1" = "suggest" ]; then
> + if [ -x /sbin/ifconfig ]
> + then
> ifconfig -l | sed -Ee
> 's/[[:<:]](pfsync|faith|pf(log|sync)|lo|plip|carp|enc|fwe)[^ ]*//g' |
> xargs -n 1 echo
> exit 0
> elif [ -x /usr/bin/netstat ]; then
> @@ -22,7 +30,16 @@ Index: plugins/node.d.openbsd/if_.in
> exit 0
> else
> exit 1
> -@@ -51,7 +51,7 @@ if [ "$1" = "config" ]; then
> +@@ -47,11 +49,15 @@ fi
> + if [ "$1" = "config" ]; then
> +
> + echo "graph_order rbytes obytes"
> +- echo "graph_title $INTERFACE traffic"
> ++ if [ "X${DESCR}" != 'X' ]; then
> ++ echo "graph_title $INTERFACE (${DESCR}) traffic"
> ++ else
> ++ echo "graph_title $INTERFACE traffic"
> ++ fi
> echo 'graph_args --base 1000'
> echo 'graph_vlabel bits per ${graph_period} in (-) / out (+)'
> echo 'graph_category network'
> @@ -31,7 +48,7 @@ Index: plugins/node.d.openbsd/if_.in
> echo 'rbytes.label received'
> echo 'rbytes.type DERIVE'
> echo 'rbytes.graph no'
> -@@ -69,9 +69,11 @@ fi
> +@@ -69,9 +75,11 @@ fi
> if [ "$INTERFACE" = "aggregated" ]; then
> /usr/bin/netstat -i -b -n | grep -v '^lo' | awk '
> BEGIN { rsum = 0; osum = 0; }
> @@ -46,7 +63,7 @@ Index: plugins/node.d.openbsd/if_.in
> } else if (NF == 11) {
> if ($4 ~ /:/) {
> rsum += $7; osum += $10;
> -@@ -79,7 +81,7 @@ BEGIN { rsum = 0; osum = 0; }
> +@@ -79,7 +87,7 @@ BEGIN { rsum = 0; osum = 0; }
> rsum += $7; osum += $10;
> }
> } else { # NF == 12
> @@ -55,7 +72,7 @@ Index: plugins/node.d.openbsd/if_.in
> }
> }
> END {
> -@@ -89,17 +91,20 @@ END {
> +@@ -89,17 +97,20 @@ END {
>
> else
> /usr/bin/netstat -i -b -n -I $INTERFACE | awk '
> Index: patches/patch-plugins_node_d_openbsd_if_errcoll__in
> ===================================================================
> RCS file:
> /cvs/ports/net/munin/patches/patch-plugins_node_d_openbsd_if_errcoll__in,v
> diff -u -p -r1.5 patch-plugins_node_d_openbsd_if_errcoll__in
> --- patches/patch-plugins_node_d_openbsd_if_errcoll__in 11 Mar 2022 19:46:25
> -0000 1.5
> +++ patches/patch-plugins_node_d_openbsd_if_errcoll__in 11 Nov 2025 13:56:13
> -0000
> @@ -13,7 +13,15 @@ Index: plugins/node.d.openbsd/if_errcoll
> #
> # Any device found in /usr/bin/netstat can be monitored.
> #
> -@@ -34,7 +34,7 @@ if [ "$1" = "suggest" ]; then
> +@@ -28,13 +28,15 @@ if [ "$1" = "autoconf" ]; then
> + fi
> + fi
> +
> ++DESCR=$(/sbin/ifconfig ${INTERFACE} | /usr/bin/awk -F ': '
> '/description:(.*)$/ {print substr($2, 1, 12);}')
> ++
> + if [ "$1" = "suggest" ]; then
> + if [ -x /sbin/ifconfig ]
> + then
> ifconfig -l | sed -Ee
> 's/[[:<:]](pfsync|faith|pf(log|sync)|lo|plip|carp|enc|fwe)[^ ]*//g' |
> xargs -n 1 echo
> exit 0
> elif [ -x /usr/bin/netstat ]; then
> @@ -22,7 +30,20 @@ Index: plugins/node.d.openbsd/if_errcoll
> exit 0
> else
> exit 1
> -@@ -57,25 +57,15 @@ if [ "$1" = "config" ]; then
> +@@ -43,7 +45,11 @@ fi
> +
> + if [ "$1" = "config" ]; then
> + echo "graph_order ierrors oerrors collisions"
> +- echo "graph_title $INTERFACE Errors & Collisions"
> ++ if [ "X${DESCR}" != 'X' ]; then
> ++ echo "graph_title $INTERFACE (${DESCR}) Errors & Collisions"
> ++ else
> ++ echo "graph_title $INTERFACE Errors & Collisions"
> ++ fi
> + echo 'graph_args --base 1000'
> + echo 'graph_vlabel events / ${graph_period}'
> + echo 'graph_category network'
> +@@ -57,25 +63,15 @@ if [ "$1" = "config" ]; then
> exit 0
> fi;
>
> Index: patches/patch-plugins_node_d_openbsd_if_packets__in
> ===================================================================
> RCS file:
> /cvs/ports/net/munin/patches/patch-plugins_node_d_openbsd_if_packets__in,v
> diff -u -p -r1.3 patch-plugins_node_d_openbsd_if_packets__in
> --- patches/patch-plugins_node_d_openbsd_if_packets__in 11 Mar 2022 19:46:25
> -0000 1.3
> +++ patches/patch-plugins_node_d_openbsd_if_packets__in 11 Nov 2025 13:56:13
> -0000
> @@ -1,7 +1,15 @@
> Index: plugins/node.d.openbsd/if_packets_.in
> --- plugins/node.d.openbsd/if_packets_.in.orig
> +++ plugins/node.d.openbsd/if_packets_.in
> -@@ -37,7 +37,7 @@ if [ "$1" = "suggest" ]; then
> +@@ -31,13 +31,15 @@ if [ "$1" = "autoconf" ]; then
> + fi
> + fi
> +
> ++DESCR=$(/sbin/ifconfig ${INTERFACE} | /usr/bin/awk -F ': '
> '/description:(.*)$/ {print substr($2, 1, 12);}')
> ++
> + if [ "$1" = "suggest" ]; then
> + if [ -x /sbin/ifconfig ]
> + then
> ifconfig -l | sed -Ee
> 's/[[:<:]](pfsync|faith|pf(log|sync)|lo|plip|carp|enc|fwe)[^ ]*//g' |
> xargs -n 1 echo
> exit 0
> elif [ -x /usr/bin/netstat ]; then
> @@ -10,7 +18,20 @@ Index: plugins/node.d.openbsd/if_packets
> exit 0
> else
> exit 1
> -@@ -69,9 +69,9 @@ fi
> +@@ -47,7 +49,11 @@ fi
> + if [ "$1" = "config" ]; then
> +
> + echo "graph_order rpackets opackets"
> +- echo "graph_title $INTERFACE pps"
> ++ if [ "X${DESCR}" != 'X' ]; then
> ++ echo "graph_title $INTERFACE (${DESCR}) pps"
> ++ else
> ++ echo "graph_title $INTERFACE pps"
> ++ fi
> + echo 'graph_args --base 1000'
> + echo 'graph_vlabel packets per ${graph_period} in (-) / out (+)'
> + echo 'graph_category network'
> +@@ -69,9 +75,9 @@ fi
> if [ "$INTERFACE" = "aggregated" ]; then
> /usr/bin/netstat -i -b -n | grep -v '^lo' | awk '
> BEGIN { rsum = 0; osum = 0; }
> @@ -23,7 +44,7 @@ Index: plugins/node.d.openbsd/if_packets
> } else if (NF == 11) {
> if ($4 ~ /:/) {
> rsum += $5; osum += $8;
> -@@ -79,7 +79,7 @@ BEGIN { rsum = 0; osum = 0; }
> +@@ -79,7 +85,7 @@ BEGIN { rsum = 0; osum = 0; }
> rsum += $4; osum += $8;
> }
> } else { # NF == 12
> @@ -32,7 +53,7 @@ Index: plugins/node.d.openbsd/if_packets
> }
> }
> END {
> -@@ -89,10 +89,10 @@ END {
> +@@ -89,10 +95,10 @@ END {
>
> else
> /usr/bin/netstat -i -b -n -I $INTERFACE | awk '
> @@ -46,7 +67,7 @@ Index: plugins/node.d.openbsd/if_packets
> } else if (NF == 11) {
> if ($4 ~ /:/) {
> print "rpackets.value", $5;
> -@@ -103,7 +103,7 @@ else
> +@@ -103,7 +109,7 @@ else
> }
> } else { # NF == 12
> print "rpackets.value", $5;
> Index: patches/patch-plugins_node_d_openbsd_if_pps__in
> ===================================================================
> RCS file: patches/patch-plugins_node_d_openbsd_if_pps__in
> diff -N patches/patch-plugins_node_d_openbsd_if_pps__in
> --- /dev/null 1 Jan 1970 00:00:00 -0000
> +++ patches/patch-plugins_node_d_openbsd_if_pps__in 11 Nov 2025 13:56:13 -0000
> @@ -0,0 +1,25 @@
> +Index: plugins/node.d.openbsd/if_pps_.in
> +--- plugins/node.d.openbsd/if_pps_.in.orig
> ++++ plugins/node.d.openbsd/if_pps_.in
> +@@ -31,6 +31,8 @@ if [ "$1" = "autoconf" ]; then
> + fi
> + fi
> +
> ++DESCR=$(/sbin/ifconfig ${INTERFACE} | /usr/bin/awk -F ': '
> '/description:(.*)$/ {print substr($2, 1, 12);}')
> ++
> + if [ "$1" = "suggest" ]; then
> + if [ -x /usr/bin/netstat ]; then
> + netstat -i -n | sed -n -e '/^faith/d' -e '/^lo[0-9]/d' -e '/^pflog/d' -e
> '/<Link>/s/\** .*//p'
> +@@ -42,7 +44,11 @@ fi
> +
> + if [ "$1" = "config" ]; then
> + echo "graph_order rpkt opkt"
> +- echo "graph_title $INTERFACE packets"
> ++ if [ "X${DESCR}" != 'X' ]; then
> ++ echo "graph_title $INTERFACE (${DESCR}) packets"
> ++ else
> ++ echo "graph_title $INTERFACE packets"
> ++ fi
> + echo 'graph_args --base 1000'
> + echo 'graph_vlabel packets/${graph_period} in (-) out (+)'
> + echo 'graph_category network'
> Index: pkg/PLIST-main
> ===================================================================
> RCS file: /cvs/ports/net/munin/pkg/PLIST-main,v
> diff -u -p -r1.27 PLIST-main
> --- pkg/PLIST-main 8 Nov 2022 11:16:58 -0000 1.27
> +++ pkg/PLIST-main 11 Nov 2025 13:56:13 -0000
> @@ -111,6 +111,7 @@ libexec/munin/plugins/if_packets_
> libexec/munin/plugins/if_pps_
> libexec/munin/plugins/ifx_concurrent_sessions_
> libexec/munin/plugins/intr
> +libexec/munin/plugins/iostat_
> @comment libexec/munin/plugins/ipac-ng
> libexec/munin/plugins/ipmi_
> libexec/munin/plugins/ipmi_sensor_
>
net/munin : add interface description and iostat_ plugins