From: Atanas Vladimirov <vlado@bsdbg.net>
Subject: Re: sysutils/telegraf: run unbound/nsd control commands as the daemon users
To: Ports <ports@openbsd.org>
Cc: tuftedocelot@fastmail.fm, Stuart Henderson <stu@spacehopper.org>
Date: Tue, 29 Sep 2026 17:24:14 +0300

On 2026-09-22 20:51, Atanas Vladimirov wrote:
> On 2026-09-08 09:18, Atanas Vladimirov wrote:
>> On 2026-09-02 17:01, Atanas Vladimirov wrote:
>>> On 2026-08-28 17:34, Atanas Vladimirov wrote:
>>>> Hello,
>>>> 
>>>> The example doas.conf(5) rules in the README permit _telegraf to run
>>>> unbound-control(8) as _unbound and nsd-control(8) as _nsd.  The
>>>> plugins only replaced sudo with doas and invoked
>>>> 
>>>> 	doas /usr/sbin/unbound-control stats_noreset
>>>> 	doas /usr/sbin/nsd-control stats_noreset
>>>> 
>>>> doas(1) defaults to root unless -u is given, so those rules never 
>>>> match
>>>> and the plugins fail with exit status 1.
>>>> 
>>>> Pass -u _unbound / -u _nsd so the commands match the README.
>>>> 
>>>> ok?
>>> 
>>> Ping?
>> 
>> Morning,
>> 
>> Adding Lucas Raab in CC in case he missed it :)
>> 
>> By the way the other way around is to update the README and drop the
>> -u _unbound / -u _nsd from the doas examples.
>> 
>> Best wishes,
>> Atanas
> 
> Ping?
> 
> (cc: Stuart because Lucas didn't answer so far)

Another ping :)

> 
>>> 
>>>> 
>>>> Index: Makefile
>>>> ===================================================================
>>>> RCS file: /cvs/ports/sysutils/telegraf/Makefile,v
>>>> diff -u -p -r1.47 Makefile
>>>> --- Makefile	20 Jul 2026 22:44:35 -0000	1.47
>>>> +++ Makefile	28 Aug 2026 14:31:39 -0000
>>>> @@ -14,6 +14,8 @@ MAINTAINER =	Lucas Raab <tuftedocelot@fa
>>>> 
>>>>  CATEGORIES =		sysutils
>>>> 
>>>> +REVISION =	0
>>>> +
>>>>  # MIT
>>>>  PERMIT_PACKAGE =	Yes
>>>> 
>>>> Index: patches/patch-plugins_inputs_nsd_nsd_go
>>>> ===================================================================
>>>> RCS file: 
>>>> /cvs/ports/sysutils/telegraf/patches/patch-plugins_inputs_nsd_nsd_go,v
>>>> diff -u -p -r1.3 patch-plugins_inputs_nsd_nsd_go
>>>> --- patches/patch-plugins_inputs_nsd_nsd_go	6 Mar 2025 01:58:54 
>>>> -0000	1.3
>>>> +++ patches/patch-plugins_inputs_nsd_nsd_go	28 Aug 2026 14:31:40 
>>>> -0000
>>>> @@ -1,11 +1,13 @@
>>>>  Index: plugins/inputs/nsd/nsd.go
>>>>  --- plugins/inputs/nsd/nsd.go.orig
>>>>  +++ plugins/inputs/nsd/nsd.go
>>>> -@@ -120,7 +120,7 @@ func nsdRunner(cmdName string, timeout 
>>>> config.Duration
>>>> +@@ -119,8 +119,8 @@ func nsdRunner(cmdName string, timeout 
>>>> config.Duration
>>>> + 	cmd := exec.Command(cmdName, cmdArgs...)
>>>> 
>>>>   	if useSudo {
>>>> - 		cmdArgs = append([]string{cmdName}, cmdArgs...)
>>>> +-		cmdArgs = append([]string{cmdName}, cmdArgs...)
>>>>  -		cmd = exec.Command("sudo", cmdArgs...)
>>>> ++		cmdArgs = append([]string{"-u", "_nsd", cmdName}, cmdArgs...)
>>>>  +		cmd = exec.Command("doas", cmdArgs...)
>>>>   	}
>>>> 
>>>> Index: patches/patch-plugins_inputs_unbound_unbound_go
>>>> ===================================================================
>>>> RCS file: 
>>>> /cvs/ports/sysutils/telegraf/patches/patch-plugins_inputs_unbound_unbound_go,v
>>>> diff -u -p -r1.5 patch-plugins_inputs_unbound_unbound_go
>>>> --- patches/patch-plugins_inputs_unbound_unbound_go	10 Jul 2025 
>>>> 03:38:13 -0000	1.5
>>>> +++ patches/patch-plugins_inputs_unbound_unbound_go	28 Aug 2026 
>>>> 14:31:40 -0000
>>>> @@ -1,11 +1,13 @@
>>>>  Index: plugins/inputs/unbound/unbound.go
>>>>  --- plugins/inputs/unbound/unbound.go.orig
>>>>  +++ plugins/inputs/unbound/unbound.go
>>>> -@@ -159,7 +159,7 @@ func unboundRunner(unbound Unbound) 
>>>> (*bytes.Buffer, er
>>>> +@@ -158,8 +158,8 @@ func unboundRunner(unbound Unbound) 
>>>> (*bytes.Buffer, er
>>>> + 	cmd := exec.Command(unbound.Binary, cmdArgs...)
>>>> 
>>>>   	if unbound.UseSudo {
>>>> - 		cmdArgs = append([]string{unbound.Binary}, cmdArgs...)
>>>> +-		cmdArgs = append([]string{unbound.Binary}, cmdArgs...)
>>>>  -		cmd = exec.Command("sudo", cmdArgs...)
>>>> ++		cmdArgs = append([]string{"-u", "_unbound", unbound.Binary}, 
>>>> cmdArgs...)
>>>>  +		cmd = exec.Command("doas", cmdArgs...)
>>>>   	}
>>>> 
>>>> Index: pkg/README
>>>> ===================================================================
>>>> RCS file: /cvs/ports/sysutils/telegraf/pkg/README,v
>>>> diff -u -p -r1.2 README
>>>> --- pkg/README	20 Jul 2026 22:44:35 -0000	1.2
>>>> +++ pkg/README	28 Aug 2026 14:31:40 -0000
>>>> @@ -13,9 +13,12 @@ install and configure sudo:
>>>>  * OpenSMTPD
>>>>  * Unbound
>>>> 
>>>> -Below are some example doas.conf(5) lines which could be used. If 
>>>> you
>>>> -have a nonstandard configuration of those daemons, adjustments to 
>>>> the
>>>> -location of binaries and arguments may be needed.
>>>> +Below are some example doas.conf(5) lines which could be used.
>>>> +Set use_sudo = true in the plugin configuration so telegraf invokes
>>>> +doas(1). If you have a nonstandard configuration of those daemons,
>>>> +adjustments to the location of binaries and arguments may be 
>>>> needed.
>>>> +The Unbound and NSD plugins run the control commands as _unbound
>>>> +and _nsd.
>>>> 
>>>>  permit nopass _telegraf as _unbound cmd /usr/sbin/unbound-control \
>>>>  	args stats_noreset