From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp12.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id ECk0Gs97P2LmPgAAgWs5BA (envelope-from ) for ; Sat, 26 Mar 2022 21:47:11 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp12.migadu.com with LMTPS id iDnDFs97P2LKEwEAauVa8A (envelope-from ) for ; Sat, 26 Mar 2022 21:47:11 +0100 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id A89B43C9D2 for ; Sat, 26 Mar 2022 21:47:10 +0100 (CET) Received: from localhost ([::1]:47798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nYDJU-0003UQ-Vr for larch@yhetil.org; Sat, 26 Mar 2022 16:47:09 -0400 Received: from eggs.gnu.org ([209.51.188.92]:46936) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nYDJO-0003Tz-BW for guix-patches@gnu.org; Sat, 26 Mar 2022 16:47:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:60852) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nYDJO-0001RP-2m for guix-patches@gnu.org; Sat, 26 Mar 2022 16:47:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1nYDJN-0004Az-JZ for guix-patches@gnu.org; Sat, 26 Mar 2022 16:47:01 -0400 X-Loop: help-debbugs@gnu.org Subject: [bug#26830] Allow services to implement a 'reload' action Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Sat, 26 Mar 2022 20:47:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26830 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: To: Oleg Pykhalov Cc: Mathieu Othacehe , =?UTF-8?Q?Cl=C3=A9ment?= Lassieur , 26830@debbugs.gnu.org, zimoun Received: via spool by 26830-submit@debbugs.gnu.org id=B26830.164832759016013 (code B ref 26830); Sat, 26 Mar 2022 20:47:01 +0000 Received: (at 26830) by debbugs.gnu.org; 26 Mar 2022 20:46:30 +0000 Received: from localhost ([127.0.0.1]:54749 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nYDIs-0004AD-7q for submit@debbugs.gnu.org; Sat, 26 Mar 2022 16:46:30 -0400 Received: from eggs.gnu.org ([209.51.188.92]:59100) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nYDIq-0004A1-FR for 26830@debbugs.gnu.org; Sat, 26 Mar 2022 16:46:28 -0400 Received: from [2001:470:142:3::e] (port=60432 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nYDIi-0001NE-Hu; Sat, 26 Mar 2022 16:46:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=+XLAa3/rh/StRU0kkvgadJPh9JFv5TNXJurR+rYZTTM=; b=noGNjSz+ipV++WrdhqA4 yoka5I6MdQz1wA6fGcQr5ic2p2o+yg6Ls/v7VYAVzANjNCRgfFtBIr11LzaP8dfkrwAVEugxUAfCC crcMx/jqRb7bxwc9rFBV6Oq5fQW2bYMjZ4rl1I/OtW2oXSBC/OEvXbZMjro+kzTFnLJj5kvGGmKUT iGnl3kQLj58ufGp748DIKPKYmPCu8byp3GyuOoJJ43pfKI69CS1PM79Bi1p66I2YWh787WrkCfDwJ +kY5q+k+PbMU2JyNG+LgUHfeUujn04q3+de/nXiIgZwsxZ8049OK7CRu2BGVG7qmiPeaV3lnr4C1p er165Ic4cVBFVg==; Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201]:64104 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nYDIi-00076B-5r; Sat, 26 Mar 2022 16:46:20 -0400 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87d1bjtlpd.fsf@lassieur.org> <86vapa6nyi.fsf@gmail.com> <87vap7kryj.fsf@gnu.org> <87bmbdigbj.fsf@gnu.org> <86lex0zv27.fsf_-_@gmail.com> <87wngjeo8l.fsf@gnu.org> <87lewztq2t.fsf@gmail.com> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 6 Germinal an 230 de la =?UTF-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Sat, 26 Mar 2022 21:46:17 +0100 In-Reply-To: <87lewztq2t.fsf@gmail.com> (Oleg Pykhalov's message of "Thu, 24 Mar 2022 16:52:58 +0300") Message-ID: <87v8w07886.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: "Guix-patches" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1648327631; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:resent-cc: resent-from:resent-sender:resent-message-id:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=+XLAa3/rh/StRU0kkvgadJPh9JFv5TNXJurR+rYZTTM=; b=RO8BlhwtEYcbawGe9bizmKm9aaH7TTLA8OogxrP19iYzqpzvbmZKOi0ODkOcPWvn/qoNwp usr3aT+FEcIGJGNTVro8H92rPxZfHelsw42FoSfOGTvLOPYkOUyGwR3/lZG6Tsd8y4BsWy vX5xOb0spI/kKijm+BvzJMYNBUBtbQLloKMqv4Fz79un45o3MjOtKV4SEG8ZNvFn8uKQ8e EqJcX9u3smmOHxMyl6hRg2MW9u+q6lkq5aafaE8jJBMEJvWidKrqy2tPD+DiqwjKD8n2ji hVB1V7mOyejX8OCMzqb4Y9Q5tC53/4JEUwpAhbVkFnTkGIQkPKHzVzXAcC0FNg== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1648327631; a=rsa-sha256; cv=none; b=gE0JMon7klCSC/a5/3wpex4G5cCRXiYgW5s+U1gI7ATd3w5UceOI9lBqskzxOPHMyHUYB0 egTgQtTrioRroGGHnSzR9sgDtNU7OuQ9+ggoP+xPUv88ihmJXfgowdjxeA03QEHS9gcmB4 Yyx3vGpaRJeZAksZ6jPRe0ZArlb7oUdhXAksbvmF+/xYKFddjuh95Sk0Epzfhz1mD4Lu+g iVhu8LOzKRFaw10P9Bq+wECErGE8c48H7UeO4TVo7AuuU6Qx9BcK8jM4rKiCBBxxFKMYL6 6ADriH7TOEHKa3FRezmNZBzyEkXgZaAfRgbl4AOLkDPC1pzWRU8hIUFQFqXh3g== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b=noGNjSz+; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -3.68 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=gnu.org header.s=fencepost-gnu-org header.b=noGNjSz+; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of "guix-patches-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-patches-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: A89B43C9D2 X-Spam-Score: -3.68 X-Migadu-Scanner: scn0.migadu.com X-TUID: nDNrAr7Nh8MI Hi, Oleg Pykhalov skribis: > Ludovic Court=C3=A8s writes: > > [=E2=80=A6] > >> I wonder if the patch as-is would achieve that though, because in >> general those daemons are run with =E2=80=98-c /gnu/store/=E2=80=A6-conf= ig=E2=80=99, so >> reloading would just reload the same file. > > Maybe we could switch to another practice in service definitions: > > =E2=80=98/gnu/store/...-some-program/bin/some-program -c /etc/some-config= =E2=80=99 > > $ ls -l /etc/static > /etc/static -> /gnu/store/...-etc/etc > > $ ls -l /etc/some-config > /etc/some-config -> /etc/static/some-config Hmm yes, we could (I think Maxim did that recently for a service, I forgot which one.) I like the clarity of =E2=80=98-c /gnu/store/=E2=80=A6-config=E2=80=99 bett= er than the ambient authority and ambiguity of =E2=80=98/etc/config=E2=80=99, but I guess we ha= ve to made a tradeoff. Ludo=E2=80=99.