* gnu/services/rsync.scm (<rsync-configuration>)[address]: New field. (rsync-config-file): Honor it. * doc/guix.texi (Networking Services): Document new address rsync configuration option. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
176 lines
7.5 KiB
Scheme
176 lines
7.5 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
|
;;; Copyright © 2017 Oleg Pykhalov <go.wigust@gmail.com>
|
|
;;;
|
|
;;; 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 rsync)
|
|
#:use-module (gnu services)
|
|
#:use-module (gnu services base)
|
|
#:use-module (gnu services shepherd)
|
|
#:use-module (gnu system shadow)
|
|
#:use-module (gnu packages rsync)
|
|
#:use-module (gnu packages admin)
|
|
#:use-module (guix records)
|
|
#:use-module (guix gexp)
|
|
#:use-module (srfi srfi-1)
|
|
#:use-module (srfi srfi-26)
|
|
#:use-module (ice-9 match)
|
|
#:export (rsync-configuration
|
|
rsync-configuration?
|
|
rsync-service-type))
|
|
|
|
;;;; Commentary:
|
|
;;;
|
|
;;; This module implements a service that to run instance of Rsync,
|
|
;;; files synchronization tool.
|
|
;;;
|
|
;;;; Code:
|
|
|
|
(define-record-type* <rsync-configuration>
|
|
rsync-configuration
|
|
make-rsync-configuration
|
|
rsync-configuration?
|
|
(package rsync-configuration-package ; package
|
|
(default rsync))
|
|
(address rsync-configuration-address ; string | #f
|
|
(default #f))
|
|
(port-number rsync-configuration-port-number ; integer
|
|
(default 873))
|
|
(pid-file rsync-configuration-pid-file ; string
|
|
(default "/var/run/rsyncd/rsyncd.pid"))
|
|
(lock-file rsync-configuration-lock-file ; string
|
|
(default "/var/run/rsyncd/rsyncd.lock"))
|
|
(log-file rsync-configuration-log-file ; string
|
|
(default "/var/log/rsyncd.log"))
|
|
(use-chroot? rsync-configuration-use-chroot? ; boolean
|
|
(default #t))
|
|
(share-path rsync-configuration-share-path ; string
|
|
(default "/srv/rsyncd"))
|
|
(share-comment rsync-configuration-share-comment ; string
|
|
(default "Rsync share"))
|
|
(read-only? rsync-configuration-read-only? ; boolean
|
|
(default #f))
|
|
(timeout rsync-configuration-timeout ; integer
|
|
(default 300))
|
|
(user rsync-configuration-user ; string
|
|
(default "root"))
|
|
(group rsync-configuration-group ; string
|
|
(default "root"))
|
|
(uid rsync-configuration-uid ; string
|
|
(default "rsyncd"))
|
|
(gid rsync-configuration-gid ; string
|
|
(default "rsyncd")))
|
|
|
|
(define (rsync-account config)
|
|
"Return the user accounts and user groups for CONFIG."
|
|
(let ((rsync-user (if (rsync-configuration-uid config)
|
|
(rsync-configuration-uid config)
|
|
(rsync-configuration-user config)))
|
|
(rsync-group (if (rsync-configuration-gid config)
|
|
(rsync-configuration-gid config)
|
|
(rsync-configuration-group config))))
|
|
(list (user-group (name rsync-group) (system? #t))
|
|
(user-account
|
|
(name rsync-user)
|
|
(system? #t)
|
|
(group rsync-group)
|
|
(comment "rsyncd privilege separation user")
|
|
(home-directory (string-append "/var/run/"
|
|
rsync-user))
|
|
(shell (file-append shadow "/sbin/nologin"))))))
|
|
|
|
(define (rsync-activation config)
|
|
"Return the activation GEXP for CONFIG."
|
|
(with-imported-modules '((guix build utils))
|
|
#~(begin
|
|
(let ((share-directory #$(rsync-configuration-share-path config))
|
|
(user (getpw (if #$(rsync-configuration-uid config)
|
|
#$(rsync-configuration-uid config)
|
|
#$(rsync-configuration-user config))))
|
|
(group (getpw (if #$(rsync-configuration-gid config)
|
|
#$(rsync-configuration-gid config)
|
|
#$(rsync-configuration-group config)))))
|
|
(mkdir-p (dirname #$(rsync-configuration-pid-file config)))
|
|
(and=> share-directory mkdir-p)
|
|
(chown share-directory
|
|
(passwd:uid user)
|
|
(group:gid group))))))
|
|
|
|
(define rsync-config-file
|
|
;; Return the rsync configuration file corresponding to CONFIG.
|
|
(match-lambda
|
|
(($ <rsync-configuration> package address port-number pid-file lock-file log-file
|
|
use-chroot? share-path share-comment read-only?
|
|
timeout user group uid gid)
|
|
(if (not (string=? user "root"))
|
|
(cond
|
|
((<= port-number 1024)
|
|
(error (string-append "rsync-service: to run on port "
|
|
(number->string port-number)
|
|
", user must be root.")))
|
|
(use-chroot?
|
|
(error (string-append "rsync-service: to run in a chroot"
|
|
", user must be root.")))
|
|
(uid
|
|
(error "rsync-service: to use uid, user must be root."))
|
|
(gid
|
|
(error "rsync-service: to use gid, user must be root."))))
|
|
(mixed-text-file
|
|
"rsync.conf"
|
|
"# Generated by 'rsync-service'.\n\n"
|
|
"pid file = " pid-file "\n"
|
|
"lock file = " lock-file "\n"
|
|
"log file = " log-file "\n"
|
|
(if address (string-append "address = " address "\n") "")
|
|
"port = " (number->string port-number) "\n"
|
|
"use chroot = " (if use-chroot? "true" "false") "\n"
|
|
(if uid (string-append "uid = " uid "\n") "")
|
|
"gid = " (if gid gid "nogroup") "\n" ; no group nobody
|
|
"\n"
|
|
"[files]\n"
|
|
"path = " share-path "\n"
|
|
"comment = " share-comment "\n"
|
|
"read only = " (if read-only? "true" "false") "\n"
|
|
"timeout = " (number->string timeout) "\n"))))
|
|
|
|
(define (rsync-shepherd-service config)
|
|
"Return a <shepherd-service> for rsync with CONFIG."
|
|
(let* ((rsync (rsync-configuration-package config))
|
|
(pid-file (rsync-configuration-pid-file config))
|
|
(port-number (rsync-configuration-port-number config))
|
|
(user (rsync-configuration-user config))
|
|
(group (rsync-configuration-group config)))
|
|
(list (shepherd-service
|
|
(provision '(rsync))
|
|
(documentation "Run rsync daemon.")
|
|
(start #~(make-forkexec-constructor
|
|
(list (string-append #$rsync "/bin/rsync")
|
|
"--config" #$(rsync-config-file config)
|
|
"--daemon")
|
|
#:pid-file #$pid-file
|
|
#:user #$user
|
|
#:group #$group))
|
|
(stop #~(make-kill-destructor))))))
|
|
|
|
(define rsync-service-type
|
|
(service-type
|
|
(name 'rsync)
|
|
(extensions
|
|
(list (service-extension shepherd-root-service-type rsync-shepherd-service)
|
|
(service-extension account-service-type rsync-account)
|
|
(service-extension activation-service-type rsync-activation)))
|
|
(default-value (rsync-configuration))))
|