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| | ;;; 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-dir "/var/lib/nfs/rpc_pipefs")
\f
(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 #$rpcbind-command))
(stop #~(make-kill-destructor))))))
\f
(define-record-type* <pipefs-configuration>
pipefs-configuration make-pipefs-configuration
pipefs-configuration?
(mount-point pipefs-configuration-mount-point
(default default-pipefs-dir)))
(define pipefs-service-type
(shepherd-service-type
'pipefs
(lambda (config)
(define pipefs-dir (pipefs-configuration-mount-point config))
(shepherd-service
(documentation "Mount the pipefs pseudo filesystem.")
(provision '(rpc-pipefs))
(start #~(lambda ()
(mkdir-p #$pipefs-dir)
(mount "rpc_pipefs" #$pipefs-dir "rpc_pipefs")))
(stop #~(lambda (pid . args)
(umount #$pipefs-dir MNT_DETACH)))))))
\f
(define-record-type* <gss-configuration>
gss-configuration make-gss-configuration
gss-configuration?
(pipefs-dir gss-configuration-pipefs-dir
(default default-pipefs-dir))
(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-dir
(gss-configuration-pipefs-dir config))
(define gss-command
#~(list (string-append #$nfs-utils "/sbin/rpc.gssd") "-f"
"-p" #$pipefs-dir))
(shepherd-service
(documentation "Start the RPC GSS daemon.")
(requirement '(rpcbind-daemon rpc-pipefs))
(provision '(gss-daemon))
(start #~(make-forkexec-constructor #$gss-command))
(stop #~(make-kill-destructor))))))
\f
(define-record-type* <idmap-configuration>
idmap-configuration make-idmap-configuration
idmap-configuration?
(pipefs-dir idmap-configuration-pipefs-dir
(default default-pipefs-dir))
(domain idmap-configuration-domain
(default #f))
(nfs-utils idmap-configuration-idmap
(default nfs-utils)))
(define idmap-service-type
(shepherd-service-type
'idmap
(lambda (config)
(define nfs-utils
(idmap-configuration-idmap config))
(define pipefs-dir
(idmap-configuration-pipefs-dir config))
(define conf-file "/etc/guix-idmapd.conf")
(define idmap-command
#~(list (string-append #$nfs-utils "/sbin/rpc.idmapd") "-f"
"-p" #$pipefs-dir
"-c" #$conf-file))
(define domain (idmap-configuration-domain config))
(shepherd-service
(documentation "Start the RPC IDMAP daemon.")
(requirement '(rpcbind-daemon rpc-pipefs))
(provision '(idmap-daemon))
(start #~(lambda ()
(let ((pid (primitive-fork)))
(if (zero? pid)
(begin
(call-with-output-file #$conf-file
(lambda (port)
(format port "\n[General]\n")
(if #$domain
(format port "Domain = ~a\n" #$domain))
(format port "\n[Mapping]\n")
(format port "Nobody-User = nobody\n")
(format port "Nobody-Group = nogroup\n")))
(exec-command #$idmap-command))
pid))))
(stop #~(make-kill-destructor))))))
|