From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp0 ([2001:41d0:2:4a6f::]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) by ms0.migadu.com with LMTPS id eOCaJdOMhWA+/QAAgWs5BA (envelope-from ) for ; Sun, 25 Apr 2021 17:37:55 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp0 with LMTPS id 0MpSIdOMhWDjLwAA1q6Kng (envelope-from ) for ; Sun, 25 Apr 2021 15:37:55 +0000 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 AD7441650E for ; Sun, 25 Apr 2021 17:37:54 +0200 (CEST) Received: from localhost ([::1]:33810 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lagpV-00019q-Sl for larch@yhetil.org; Sun, 25 Apr 2021 11:37:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38004) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lagow-00019j-7K for help-guix@gnu.org; Sun, 25 Apr 2021 11:37:18 -0400 Received: from baptiste.telenet-ops.be ([2a02:1800:120:4::f00:13]:41506) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lagoq-0002o1-1p for help-guix@gnu.org; Sun, 25 Apr 2021 11:37:17 -0400 Received: from ptr-bvsjgyjmffd7q9timvx.18120a2.ip6.access.telenet.be ([IPv6:2a02:1811:8c09:9d00:aaf1:9810:a0b8:a55d]) by baptiste.telenet-ops.be with bizsmtp id x3d82400o0mfAB4013d9vS; Sun, 25 Apr 2021 17:37:09 +0200 Message-ID: <75a95dd5315d1633452694f824b42141989d9c03.camel@telenet.be> Subject: Re: Environment of a shepherd service From: Maxime Devos To: edk@beaver-labs.com, help-guix@gnu.org Date: Sun, 25 Apr 2021 17:36:58 +0200 In-Reply-To: <87r1jgsjme.fsf@rdklein.fr> References: <87r1jgsjme.fsf@rdklein.fr> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-ytNxCuESFBkjkDOHgPrQ" User-Agent: Evolution 3.34.2 MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; 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aspmx1.migadu.com; dkim=pass header.d=telenet.be header.s=r21 header.b=jN1axR3U; dmarc=pass (policy=none) header.from=telenet.be; spf=pass (aspmx1.migadu.com: domain of help-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=help-guix-bounces@gnu.org X-Migadu-Spam-Score: -5.25 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=telenet.be header.s=r21 header.b=jN1axR3U; dmarc=pass (policy=none) header.from=telenet.be; spf=pass (aspmx1.migadu.com: domain of help-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=help-guix-bounces@gnu.org X-Migadu-Queue-Id: AD7441650E X-Spam-Score: -5.25 X-Migadu-Scanner: scn0.migadu.com X-TUID: P23o8/kL2+Bh --=-ytNxCuESFBkjkDOHgPrQ Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable edk@beaver-labs.com schreef op zo 11-04-2021 om 21:31 [+0200]: > Dear fellow Guixers, > [...] > But, when I try to run it with shepherd, it fails because it can't find > flask (a dependency of the software, which I've put as a > propagated-input, and is indeed installed in the container). Propagated inputs can be inconvenient at times. I would advise looking where requisomatic is referring to flask, and replacing flask --> (string-append (assoc-ref inputs "flask") "/bin/flask") using substitute*. > But, when I try to run it with shepherd, it fails because it can't find > flask (a dependency of the software, which I've put as a > propagated-input, and is indeed installed in the container). > [...] Some advice (warning: I'm not familiar with gunicorn or requisomatic at all= ). >=20 > -----extract from my operating-system declaration file------- > (define requisomatic-shepherd-service > ([...] (shepherd-service > [...] (documentation "Run the requisomatic server") > (start #~((make-forkexec-constructor > ;; (append > ;; (if db-file > ;; `("env" > ;; ,(string-append "REQUISOMATIC_DB_FILE=3D" d= b-file)) > ;; '()) > '("gunicorn" "requisomatic:app") Normally, services refer by absolute path to the binary to run, and not rel= y on the PATH (the latter would require polluting the system profile). Idiomatically, one would write '(#$(file-append gunicorn "/bin/gunicorn") #$(file-append requisomatic) "/wherever/the/binary/is") > #:directory (string-append #$requisomatic "/bin/re= quisomatic/") Why are you changing the working directory to (string-append #$requisomatic "/bin/requisomatic/"), and why is "/bin/requi= somatic" a directory and not an executable? Is that a gunicorn thing? > Why is the PYTHONPATH (and the other env vars, for that matter) not > propagated from the package to the shepherd service by default ? How is the shepherd service supposed to automagically know which packages to include in the environment variables? > And how can I make it so ? Use the #:environment-variables option, see e.g. bitlbee-shepherd-service Or create a wrapper. See e.g. wrapped-dbus-service. > Follow up question, can shepherd services be specified to run in a > specific profile ? IIUC, currently shepherd services aren't run in *any* profile at all. It would be useful to have a function manifest->environment-gexp though. > So that I can have two services with incompatible > dependencies running at the same time in the same operating-system ? Yes, it with "dependencies" you mean packages, and not other services. Greetings, Maxime. --=-ytNxCuESFBkjkDOHgPrQ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iI0EABYKADUWIQTB8z7iDFKP233XAR9J4+4iGRcl7gUCYIWMmhccbWF4aW1lZGV2 b3NAdGVsZW5ldC5iZQAKCRBJ4+4iGRcl7jjdAQDrc8zNQ5i/ZjFZzTSYp2wG/e3H U+AiJmP2ew4u5sFHfQEAnCGj11WA6KB0KqlUZCivjeVJm4gH0zNPezfja6uSdg8= =SP/A -----END PGP SIGNATURE----- --=-ytNxCuESFBkjkDOHgPrQ--