guix/gnu/tests/nfs.scm
Ricardo Wurmus 907eeac2e7
services: nfs: Add nfs-service-type.
* gnu/services/nfs.scm (<nfs-configuration>): New record.
(nfs-configuration, nfs-configuration?, nfs-configuration-nfs-utils,
nfs-configuration-nfs-version, nfs-configuration-exports,
nfs-configuration-rpcmountd-port, nfs-configuration-rpcstatd-port,
nfs-configuration-rpcbind, nfs-configuration-idmap-domain,
nfs-configuration-nfsd-port, nfs-configuration-nfsd-threads,
nfs-configuration-pipefs-directory, nfs-configuration-debug,
nfs-shepherd-services): New procedures.
(nfs-service-type): New variable.
* doc/guix.texi (Network File System): Document it.
* gnu/tests/nfs.scm (%test-nfs-server): New variable.
(%base-os): Use default value of rpcbind-service-type.
2020-01-08 23:56:16 +01:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 John Darrington <jmd@gnu.org>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; 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 tests nfs)
#:use-module (gnu tests)
#:use-module (gnu bootloader)
#:use-module (gnu bootloader grub)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
#:use-module (gnu system shadow)
#:use-module (gnu system vm)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services nfs)
#:use-module (gnu services networking)
#:use-module (gnu packages onc-rpc)
#:use-module (gnu packages nfs)
#:use-module (guix gexp)
#:use-module (guix store)
#:use-module (guix monads)
#:export (%test-nfs
%test-nfs-server))
(define %base-os
(operating-system
(host-name "olitupmok")
(timezone "Europe/Berlin")
(locale "en_US.UTF-8")
(bootloader (bootloader-configuration
(bootloader grub-bootloader)
(target "/dev/sdX")))
(file-systems %base-file-systems)
(users %base-user-accounts)
(packages (cons*
rpcbind
%base-packages))
(services (cons*
(service rpcbind-service-type)
(service dhcp-client-service-type)
%base-services))))
(define (run-nfs-test name socket)
"Run a test of an OS running RPC-SERVICE, which should create SOCKET."
(define os
(marionette-operating-system
%base-os
#:imported-modules '((gnu services herd)
(guix combinators))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (gnu build marionette)
(srfi srfi-64))
(define marionette
(make-marionette (list #$(virtual-machine os))))
(define (wait-for-socket file)
;; Wait until SOCKET exists in the guest
(marionette-eval
`(let loop ((i 10))
(cond ((and (file-exists? ,file)
(eq? 'socket (stat:type (stat ,file))))
#t)
((> i 0)
(sleep 1)
(loop (- i 1)))
(else
(error "Socket didn't show up: " ,file))))
marionette))
(mkdir #$output)
(chdir #$output)
(test-begin "rpc-daemon")
;; Wait for the rpcbind daemon to be up and running.
(test-assert "RPC service running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'rpcbind-daemon))
marionette))
;; Check the socket file and that the service is still running.
(test-assert "RPC socket exists"
(and
(wait-for-socket #$socket)
(marionette-eval
'(begin
(use-modules (gnu services herd)
(srfi srfi-1))
(live-service-running
(find (lambda (live)
(memq 'rpcbind-daemon
(live-service-provision live)))
(current-services))))
marionette)))
(test-assert "Probe RPC daemon"
(marionette-eval
'(zero? (system* "rpcinfo" "-p"))
marionette))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation name test))
(define %test-nfs
(system-test
(name "nfs")
(description "Test some things related to NFS.")
(value (run-nfs-test name "/var/run/rpcbind.sock"))))
(define %nfs-os
(let ((os (simple-operating-system
(simple-service 'create-target-directory activation-service-type
#~(begin
(mkdir "/remote")
(chmod "/remote" #o777)
#t))
(service dhcp-client-service-type)
(service nfs-service-type
(nfs-configuration
(debug '(nfs nfsd mountd))
(exports '(("/export"
;; crossmnt = This is the pseudo root.
;; fsid=0 = root file system of the export
"*(ro,insecure,no_subtree_check,crossmnt,fsid=0)"))))))))
(operating-system
(inherit os)
(host-name "nfs-server")
;; We need to use a tmpfs here, because the test system's root file
;; system cannot be re-exported via NFS.
(file-systems (cons
(file-system
(device "none")
(mount-point "/export")
(type "tmpfs")
(create-mount-point? #t))
%base-file-systems))
(services
;; Enable debugging output.
(modify-services (operating-system-user-services os)
(syslog-service-type config
=>
(syslog-configuration
(inherit config)
(config-file
(plain-file
"syslog.conf"
"*.* /dev/console\n")))))))))
(define (run-nfs-server-test)
"Run a test of an OS running a service of NFS-SERVICE-TYPE."
(define os
(marionette-operating-system
%nfs-os
#:requirements '(nscd)
#:imported-modules '((gnu services herd)
(guix combinators))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (gnu build marionette)
(srfi srfi-64))
(define marionette
(make-marionette (list #$(virtual-machine os))))
(define (wait-for-file file)
;; Wait until FILE exists in the guest
(marionette-eval
`(let loop ((i 10))
(cond ((file-exists? ,file)
#t)
((> i 0)
(sleep 1)
(loop (- i 1)))
(else
(error "File didn't show up: " ,file))))
marionette))
(mkdir #$output)
(chdir #$output)
(test-begin "nfs-daemon")
(marionette-eval
'(begin
(current-output-port
(open-file "/dev/console" "w0"))
(chmod "/export" #o777)
(with-output-to-file "/export/hello"
(lambda () (display "hello world")))
(chmod "/export/hello" #o777))
marionette)
(test-assert "nscd PID file is created"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'nscd))
marionette))
(test-assert "nscd is listening on its socket"
(marionette-eval
;; XXX: Work around a race condition in nscd: nscd creates its
;; PID file before it is listening on its socket.
'(let ((sock (socket PF_UNIX SOCK_STREAM 0)))
(let try ()
(catch 'system-error
(lambda ()
(connect sock AF_UNIX "/var/run/nscd/socket")
(close-port sock)
(format #t "nscd is ready~%")
#t)
(lambda args
(format #t "waiting for nscd...~%")
(usleep 500000)
(try)))))
marionette))
(test-assert "network is up"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'networking))
marionette))
;; Wait for the NFS services to be up and running.
(test-assert "nfs services are running"
(and (marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'nfs))
marionette)
(wait-for-file "/var/run/rpc.statd.pid")))
(test-assert "nfs share is advertised"
(marionette-eval
'(zero? (system* (string-append #$nfs-utils "/sbin/showmount")
"-e" "nfs-server"))
marionette))
(test-assert "nfs share mounted"
(marionette-eval
'(begin
(and (zero? (system* (string-append #$nfs-utils "/sbin/mount.nfs4")
"nfs-server:/" "/remote" "-v"))
(file-exists? "/remote/hello")))
marionette))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "nfs-server-test" test))
(define %test-nfs-server
(system-test
(name "nfs-server")
(description "Test that an NFS server can be started and exported
directories can be mounted.")
(value (run-nfs-server-test))))