;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2016 John Darrington <jmd@gnu.org> ;;; ;;; 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 <http://www.gnu.org/licenses/>. (define-module (gnu services nfs) #:use-module (gnu) #:use-module (gnu services shepherd) #:use-module (gnu packages onc-rpc) #:use-module (gnu packages linux) #:use-module (guix) #:use-module (guix records) #:use-module (ice-9 match) #:use-module (gnu build file-systems) #:export (rpcbind-service-type rpcbind-configuration rpcbind-configuration? pipefs-service-type pipefs-configuration pipefs-configuration? idmap-service-type idmap-configuration idmap-configuration? gss-service-type gss-configuration gss-configuration?)) (define default-pipefs-directory "/var/lib/nfs/rpc_pipefs") (define-record-type* <rpcbind-configuration> rpcbind-configuration make-rpcbind-configuration rpcbind-configuration? (rpcbind rpcbind-configuration-rpcbind (default rpcbind)) (warm-start? rpcbind-configuration-warm-start? (default #t))) (define rpcbind-service-type (shepherd-service-type 'rpcbind (lambda (config) (define nfs-utils (rpcbind-configuration-rpcbind config)) (define rpcbind-command #~(list (string-append #$nfs-utils "/bin/rpcbind") "-f" #$@(if (rpcbind-configuration-warm-start? config) '("-w") '()))) (shepherd-service (documentation "Start the RPC bind daemon.") (requirement '(networking)) (provision '(rpcbind-daemon)) (start #~(make-forkexec-constructor #$rpcbind-command)) (stop #~(make-kill-destructor)))))) (define-record-type* <pipefs-configuration> pipefs-configuration make-pipefs-configuration pipefs-configuration? (mount-point pipefs-configuration-mount-point (default default-pipefs-directory))) (define pipefs-service-type (shepherd-service-type 'pipefs (lambda (config) (define pipefs-directory (pipefs-configuration-mount-point config)) (shepherd-service (documentation "Mount the pipefs pseudo file system.") (provision '(rpc-pipefs)) (start #~(lambda () (mkdir-p #$pipefs-directory) (mount "rpc_pipefs" #$pipefs-directory "rpc_pipefs") (member #$pipefs-directory (mount-points)))) (stop #~(lambda (pid . args) (umount #$pipefs-directory MNT_DETACH) (not (member #$pipefs-directory (mount-points))))))))) (define-record-type* <gss-configuration> gss-configuration make-gss-configuration gss-configuration? (pipefs-directory gss-configuration-pipefs-directory (default default-pipefs-directory)) (nfs-utils gss-configuration-gss (default nfs-utils))) (define gss-service-type (shepherd-service-type 'gss (lambda (config) (define nfs-utils (gss-configuration-gss config)) (define pipefs-directory (gss-configuration-pipefs-directory config)) (define gss-command #~(list (string-append #$nfs-utils "/sbin/rpc.gssd") "-f" "-p" #$pipefs-directory)) (shepherd-service (documentation "Start the RPC GSS daemon.") (requirement '(rpcbind-daemon rpc-pipefs)) (provision '(gss-daemon)) (start #~(make-forkexec-constructor #$gss-command)) (stop #~(make-kill-destructor)))))) (define-record-type* <idmap-configuration> idmap-configuration make-idmap-configuration idmap-configuration? (pipefs-directory idmap-configuration-pipefs-directory (default default-pipefs-directory)) (domain idmap-configuration-domain (default #f)) (nfs-utils idmap-configuration-idmap (default nfs-utils))) (define idmap-service-type (shepherd-service-type 'idmap (lambda (config) (define nfs-utils (idmap-configuration-idmap config)) (define pipefs-directory (idmap-configuration-pipefs-directory config)) (define domain (idmap-configuration-domain config)) (define (idmap-config-file config) (plain-file "idmapd.conf" (string-append "\n[General]\n" (if domain (format #f "Domain = ~a\n" domain)) "\n[Mapping]\n" "Nobody-User = nobody\n" "Nobody-Group = nogroup\n"))) (define idmap-command #~(list (string-append #$nfs-utils "/sbin/rpc.idmapd") "-f" "-p" #$pipefs-directory "-c" #$(idmap-config-file config))) (shepherd-service (documentation "Start the RPC IDMAP daemon.") (requirement '(rpcbind-daemon rpc-pipefs)) (provision '(idmap-daemon)) (start #~(make-forkexec-constructor #$idmap-command)) (stop #~(make-kill-destructor))))))