414 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			414 lines
		
	
	
	
		
			15 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016, 2017, 2020 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2016 John Darrington <jmd@gnu.org>
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;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
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;;; Copyright © 2017 Tobias Geerinckx-Rice <me@tobias.gr>
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;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
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;;; Copyright © 2019, 2020 Ricardo Wurmus <rekado@elephly.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu tests nfs)
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  #:use-module (gnu tests)
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  #:use-module (gnu bootloader)
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  #:use-module (gnu bootloader grub)
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  #:use-module (gnu system)
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  #:use-module (gnu system file-systems)
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  #:use-module (gnu system shadow)
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  #:use-module (gnu system vm)
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  #:use-module (gnu services)
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  #:use-module (gnu services base)
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  #:use-module (gnu services nfs)
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  #:use-module (gnu services networking)
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  #:use-module (gnu packages onc-rpc)
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  #:use-module (gnu packages nfs)
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  #:use-module (guix gexp)
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  #:use-module (guix store)
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  #:use-module (guix monads)
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  #:export (%test-nfs
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            %test-nfs-server
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            %test-nfs-root-fs))
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(define %base-os
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  (operating-system
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    (host-name "olitupmok")
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    (timezone "Europe/Berlin")
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    (locale "en_US.UTF-8")
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    (bootloader (bootloader-configuration
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                 (bootloader grub-bootloader)
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                 (target "/dev/sdX")))
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    (file-systems %base-file-systems)
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    (users %base-user-accounts)
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    (packages (cons*
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               rpcbind
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               %base-packages))
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    (services (cons*
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               (service rpcbind-service-type)
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               (service dhcp-client-service-type)
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               %base-services))))
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(define (run-nfs-test name socket)
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  "Run a test of an OS running RPC-SERVICE, which should create SOCKET."
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  (define os
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    (marionette-operating-system
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     %base-os
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     #:imported-modules '((gnu services herd)
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                          (guix combinators))))
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  (define test
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    (with-imported-modules '((gnu build marionette))
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      #~(begin
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          (use-modules (gnu build marionette)
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                       (srfi srfi-64))
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          (define marionette
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            (make-marionette (list #$(virtual-machine os))))
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          (define (wait-for-socket file)
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            ;; Wait until SOCKET  exists in the guest
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            (marionette-eval
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             `(let loop ((i 10))
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                (cond ((and (file-exists? ,file)
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                            (eq? 'socket (stat:type (stat ,file))))
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                       #t)
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                      ((> i 0)
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                       (sleep 1)
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                       (loop (- i 1)))
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                      (else
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                       (error "Socket didn't show up: " ,file))))
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             marionette))
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          (mkdir #$output)
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          (chdir #$output)
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          (test-begin "rpc-daemon")
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          ;; Wait for the rpcbind daemon to be up and running.
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          (test-assert "RPC service running"
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            (marionette-eval
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             '(begin
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                (use-modules (gnu services herd))
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                ;; Ensure 'rpcinfo' can be found below.
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                (setenv "PATH" "/run/current-system/profile/bin")
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                (start-service 'rpcbind-daemon))
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             marionette))
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          ;; Check the socket file and that the service is still running.
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          (test-assert "RPC socket exists"
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            (and
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             (wait-for-socket #$socket)
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             (marionette-eval
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              '(begin
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                 (use-modules (gnu services herd)
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                              (srfi srfi-1))
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                 (live-service-running
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                  (find (lambda (live)
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                          (memq 'rpcbind-daemon
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                                (live-service-provision live)))
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                        (current-services))))
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              marionette)))
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          (test-assert "Probe RPC daemon"
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            (marionette-eval
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             '(zero? (system* "rpcinfo" "-p"))
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             marionette))
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          (test-end)
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          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
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  (gexp->derivation name test))
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(define %test-nfs
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  (system-test
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   (name "nfs")
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   (description "Test some things related to NFS.")
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   (value (run-nfs-test name "/var/run/rpcbind.sock"))))
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(define %nfs-os
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  (let ((os (simple-operating-system
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             (simple-service 'create-target-directory activation-service-type
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                             #~(begin
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                                 (mkdir "/remote")
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                                 (chmod "/remote" #o777)
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                                 #t))
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             (service dhcp-client-service-type)
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             (service nfs-service-type
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                      (nfs-configuration
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                       (debug '(nfs nfsd mountd))
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                       (exports '(("/export"
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                                   ;; crossmnt = This is the pseudo root.
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                                   ;; fsid=0 = root file system of the export
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                                   "*(ro,insecure,no_subtree_check,crossmnt,fsid=0)"))))))))
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    (operating-system
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      (inherit os)
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      (host-name "nfs-server")
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      ;; We need to use a tmpfs here, because the test system's root file
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      ;; system cannot be re-exported via NFS.
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      (file-systems (cons
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                     (file-system
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                       (device "none")
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                       (mount-point "/export")
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                       (type "tmpfs")
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                       (create-mount-point? #t))
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                     %base-file-systems))
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      (services
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       ;; Enable debugging output.
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       (modify-services (operating-system-user-services os)
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         (syslog-service-type config
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                              =>
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                              (syslog-configuration
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                               (inherit config)
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                               (config-file
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                                (plain-file
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                                 "syslog.conf"
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                                 "*.* /dev/console\n")))))))))
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(define (run-nfs-server-test)
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  "Run a test of an OS running a service of NFS-SERVICE-TYPE."
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  (define os
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    (marionette-operating-system
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     %nfs-os
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     #:requirements '(nscd)
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     #:imported-modules '((gnu services herd)
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                          (guix combinators))))
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  (define test
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    (with-imported-modules '((gnu build marionette))
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      #~(begin
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          (use-modules (gnu build marionette)
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                       (srfi srfi-64))
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          (define marionette
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            (make-marionette (list #$(virtual-machine os))))
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          (mkdir #$output)
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          (chdir #$output)
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          (test-begin "nfs-daemon")
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          (marionette-eval
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           '(begin
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              (current-output-port
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               (open-file "/dev/console" "w0"))
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              (chmod "/export" #o777)
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              (with-output-to-file "/export/hello"
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                (lambda () (display "hello world")))
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              (chmod "/export/hello" #o777))
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           marionette)
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          (test-assert "nscd PID file is created"
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            (marionette-eval
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             '(begin
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                (use-modules (gnu services herd))
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                (start-service 'nscd))
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             marionette))
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          (test-assert "nscd is listening on its socket"
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            (wait-for-unix-socket "/var/run/nscd/socket"
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                                  marionette))
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          (test-assert "network is up"
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            (marionette-eval
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             '(begin
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                (use-modules (gnu services herd))
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                (start-service 'networking))
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             marionette))
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          ;; Wait for the NFS services to be up and running.
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          (test-assert "nfs services are running"
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            (and (marionette-eval
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                  '(begin
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                     (use-modules (gnu services herd))
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                     (start-service 'nfs))
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                  marionette)
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                 (wait-for-file "/var/run/rpc.statd.pid" marionette)))
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          (test-assert "nfs share is advertised"
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            (marionette-eval
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             '(zero? (system* (string-append #$nfs-utils "/sbin/showmount")
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                              "-e" "nfs-server"))
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             marionette))
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          (test-assert "nfs share mounted"
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            (marionette-eval
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             '(begin
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                (and (zero? (system* (string-append #$nfs-utils "/sbin/mount.nfs4")
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                                     "nfs-server:/" "/remote" "-v"))
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                     (file-exists? "/remote/hello")))
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             marionette))
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          (test-end)
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          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
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  (gexp->derivation "nfs-server-test" test))
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(define %test-nfs-server
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  (system-test
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   (name "nfs-server")
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   (description "Test that an NFS server can be started and exported
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directories can be mounted.")
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   (value (run-nfs-server-test))))
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(define (run-nfs-root-fs-test)
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  "Run a test of an OS mounting its root file system via NFS."
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  (define nfs-root-server-os
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    (marionette-operating-system
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     (operating-system
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       (inherit %nfs-os)
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       (services
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         (modify-services (operating-system-user-services %nfs-os)
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           (nfs-service-type config =>
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            (nfs-configuration
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             (debug '(nfs nfsd mountd))
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             ;;; Note: Adding the following line causes Guix to hang.
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             ;(rpcmountd-port 20001)
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             ;;; Note: Adding the following line causes Guix to hang.
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             ;(rpcstatd-port 20002) ; FIXME: Set broadcast port AND listening port.
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             (nfsd-port 2049)
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             (nfs-versions '("4.2"))
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             (exports '(("/export"
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                         "*(rw,insecure,no_subtree_check,crossmnt,fsid=root,no_root_squash,insecure,async)"))))))))
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     #:requirements '(nscd)
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     #:imported-modules '((gnu services herd)
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                          (guix combinators))))
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  (define nfs-root-client-os
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    (marionette-operating-system
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     (operating-system
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       (inherit (simple-operating-system (service dhcp-client-service-type)))
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       (kernel-arguments '("ip=dhcp"))
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       (file-systems (cons
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                      (file-system
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                        (type "nfs")
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                        (mount-point "/")
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                        (device ":/export")
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                        (options "addr=127.0.0.1,vers=4.2"))
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                     %base-file-systems)))
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     #:requirements '(nscd)
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     #:imported-modules '((gnu services herd)
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                          (guix combinators))))
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  (define test
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    (with-imported-modules '((gnu build marionette))
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      #~(begin
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          (use-modules (gnu build marionette)
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                       (srfi srfi-64))
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          (mkdir #$output)
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          (chdir #$output)
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          (test-begin "start-nfs-boot-test")
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          ;;; Start up NFS server host.
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          (mkdir "/tmp/server")
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          (define server-marionette
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            (make-marionette (list #$(virtual-machine
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                                      nfs-root-server-os
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                                      ;(operating-system nfs-root-server-os)
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                                      ;(port-forwardings '( ; (111 . 111)
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                                      ;                    (2049 . 2049)
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                                      ;                    (20001 . 20001)
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                                      ;                    (20002 . 20002)))
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))
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                             #:socket-directory "/tmp/server"))
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          (marionette-eval
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           '(begin
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              (use-modules (gnu services herd))
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              (current-output-port
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               (open-file "/dev/console" "w0"))
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              ;; FIXME: Instead statfs "/" and "/export" and wait until they
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              ;; are different file systems.  But Guile doesn't seem to have
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              ;; statfs.
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              (sleep 5)
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              (chmod "/export" #o777)
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              (symlink "/gnu" "/export/gnu")
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              (start-service 'nscd)
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              (start-service 'networking)
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              (start-service 'nfs))
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           server-marionette)
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          ;;; Wait for the NFS services to be up and running.
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          (test-assert "nfs services are running"
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           (wait-for-file "/var/run/rpc.statd.pid" server-marionette))
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          (test-assert "NFS port is ready"
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            (wait-for-tcp-port 2049 server-marionette))
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          (test-assert "NFS statd port is ready"
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            (wait-for-tcp-port 20002 server-marionette))
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          (test-assert "NFS mountd port is ready"
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            (wait-for-tcp-port 20001 server-marionette))
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          ;;; FIXME: (test-assert "NFS portmapper port is ready"
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          ;;; FIXME:  (wait-for-tcp-port 111 server-marionette))
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          ;;; Start up NFS client host.
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          (define client-marionette
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            (make-marionette (list #$(virtual-machine
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                                      nfs-root-client-os
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                                      ;(port-forwardings '((111 . 111)
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                                      ;                    (2049 . 2049)
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                                      ;                    (20001 . 20001)
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                                      ;                    (20002 . 20002)))
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                                                          ))))
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          (marionette-eval
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           '(begin
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              (use-modules (gnu services herd))
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              (use-modules (rnrs io ports))
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              (current-output-port
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               (open-file "/dev/console" "w0"))
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              (let ((content (call-with-input-file "/proc/mounts" get-string-all)))
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                (call-with-output-file "/mounts.new"
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                  (lambda (port)
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                    (display content port))))
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              (chmod "/mounts.new" #o777)
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              (rename-file "/mounts.new" "/mounts"))
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           client-marionette)
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          (test-assert "nfs-root-client booted")
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          ;;; Check whether NFS client host communicated with NFS server host.
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          (test-assert "nfs client deposited file"
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           (wait-for-file "/export/mounts" server-marionette))
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          (marionette-eval
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           '(begin
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              (current-output-port
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               (open-file "/dev/console" "w0"))
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              (call-with-input-file "/export/mounts" display))
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           server-marionette)
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          (test-end)
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          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
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  (gexp->derivation "nfs-root-fs-test" test))
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(define %test-nfs-root-fs
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  (system-test
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   (name "nfs-root-fs")
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   (description "Test that an NFS server can be started and the exported
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directory can be used as root file system.")
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   (value (run-nfs-root-fs-test))))
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