;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2019 Oleg Pykhalov ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify it ;;; under the terms of the GNU General Public License as published by ;;; the Free Software Foundation; either version 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix is distributed in the hope that it will be useful, but ;;; WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see . (define-module (gnu services nix) #:use-module (gnu packages admin) #:use-module (gnu packages package-management) #:use-module (gnu services base) #:use-module (gnu services configuration) #:use-module (gnu services shepherd) #:use-module (gnu services web) #:use-module (gnu services) #:use-module (gnu system shadow) #:use-module (guix gexp) #:use-module (guix packages) #:use-module (guix records) #:use-module (guix store) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:export (nix-service-type)) ;;; Commentary: ;;; ;;; This module provides a service definition for the Nix daemon. ;;; ;;; Code: ;;; ;;; Accounts ;;; ;; Copied from gnu/services/base.scm (define* (nix-build-accounts count #:key (group "nixbld") (shadow shadow)) "Return a list of COUNT user accounts for Nix build users with the given GID." (unfold (cut > <> count) (lambda (n) (user-account (name (format #f "nixbld~2,'0d" n)) (system? #t) (group group) (supplementary-groups (list group "kvm")) (comment (format #f "Nix Build User ~2d" n)) (home-directory "/var/empty") (shell (file-append shadow "/sbin/nologin")))) 1+ 1)) (define (nix-accounts _) "Return the user accounts and user groups." (cons (user-group (name "nixbld") (system? #t) ;; Use a fixed GID so that we can create the store with the right ;; owner. (id 40000)) (nix-build-accounts 10 #:group "nixbld"))) (define (nix-activation _) "Return the activation gexp." (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils) (srfi srfi-26)) (for-each (cut mkdir-p <>) '("/nix/store" "/ni2020-09-04gnu: txr: Update to 243....* gnu/packages/lisp.scm (txr): Update to 243. Guillaume Le Vaillant profiles" "/nix/var/nix/profiles/per-user"))))) (define (nix-shepherd-service _) "Return a for Nix." (list (shepherd-service (provision '(nix-daemon)) (documentation "Run nix-daemon.") (requirement '()) (start #~(make-forkexec-constructor (list (string-append #$nix "/bin/nix-daemon")))) (respawn? #f) (stop #~(make-kill-destructor))))) (define nix-service-type (service-type (name 'nix) (extensions (list (service-extension shepherd-root-service-type nix-shepherd-service) (service-extension account-service-type nix-accounts) (service-extension activation-service-type nix-activation))) (default-value '()) (description "Run the Nix daemon."))) ;;; nix.scm ends here