;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2016, 2017, 2020, 2021 Ludovic Courtès ;;; Copyright © 2016 John Darrington ;;; Copyright © 2017 Mathieu Othacehe ;;; Copyright © 2017 Tobias Geerinckx-Rice ;;; Copyright © 2018 Clément Lassieur ;;; Copyright © 2019, 2020 Ricardo Wurmus ;;; ;;; 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 . (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 %test-nfs-root-fs)) (define %base-os (operating-system (host-name "olitupmok") (timezone "Europe/Berlin") (locale "en_US.UTF-8") (bootloader (bootloader-configuration (bootloader grub-bootloader) (targets '("/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 #$output) (test-runner-current (system-test-runner)) (test-begin "rpc-daemon") ;; Wait for the rpcbind daemon to be up and running. (test-assert "RPC service running" (marionette-eval '(begin (use-modules (gnu services herd)) ;; Ensure 'rpcinfo' can be found below. (setenv "PATH" "/run/current-system/profile/bin") (start-service 'rpcbind-daemon)) marionette)) ;; Check the socket file and that the service is still running. (test-assert "RPC socket exists" (and (wait-for-socket #$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)))) (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 #$(virtual-machine os)))) (mkdir #$output) (chdir #$output) (test-runner-current (system-test-runner)) (test-begin "nfs-daemon") (marionette-eval '(begin (current-output-port (open-file "/dev/console" "w0")) (chmod "/export" #o777) (with-output-to-file "/export/hello" (lambda () (display "hello world"))) (chmod "/export/hello" #o777)) marionette) (test-assert "nscd PID file is created" (marionette-eval '(begin (use-modules (gnu services herd)) (start-service 'nscd)) marionette)) (test-assert "nscd is listening on its socket" (wait-for-unix-socket "/var/run/nscd/socket" marionette)) (test-assert "network is up" (marionette-eval '(begin (use-modules (gnu services herd)) (start-service 'networking)) marionette)) ;; Wait for the NFS services to be up and running. (test-assert "nfs services are running" (and (marionette-eval '(begin (use-modules (gnu services herd)) (start-service 'nfs)) marionette) (wait-for-file "/var/run/rpc.statd.pid" marionette))) (test-assert "nfs share is advertised" (marionette-eval '(zero? (system* (string-append #$nfs-utils "/sbin/showmount") "-e" "nfs-server")) marionette)) (test-assert "nfs share mounted" (marionette-eval '(begin (and (zero? (system* (string-append #$nfs-utils "/sbin/mount.nfs4") "nfs-server:/" "/remote" "-v")) (file-exists? "/remote/hello"))) marionette)) (test-end)))) (gexp->derivation "nfs-server-test" test)) (define %test-nfs-server (system-test (name "nfs-server") (description "Test that an NFS server can be started and exported directories can be mounted.") (value (run-nfs-server-test)))) (define (run-nfs-root-fs-test) "Run a test of an OS mounting its root file system via NFS." (define nfs-root-server-os (marionette-operating-system (operating-system (inherit %nfs-os) (services (modify-services (operating-system-user-services %nfs-os) (nfs-service-type config => (nfs-configuration (debug '(nfs nfsd mountd)) ;;; Note: Adding the following line causes Guix to hang. ;(rpcmountd-port 20001) ;;; Note: Adding the following line causes Guix to hang. ;(rpcstatd-port 20002) ; FIXME: Set broadcast port AND listening port. (nfsd-port 2049) (nfs-versions '("4.2")) (exports '(("/export" "*(rw,insecure,no_subtree_check,crossmnt,fsid=root,no_root_squash,insecure,async)")))))))) #:requirements '(nscd) #:imported-modules '((gnu services herd) (guix combinators)))) (define nfs-root-client-os (marionette-operating-system (operating-system (inherit (simple-operating-system (service dhcp-client-service-type))) (kernel-arguments '("ip=dhcp")) (file-systems (cons (file-system (type "nfs") (mount-point "/") (device ":/export") (options "addr=127.0.0.1,vers=4.2")) %base-file-systems))) #:requirements '(nscd) #:imported-modules '((gnu services herd) (guix combinators)))) (define test (with-imported-modules '((gnu build marionette)) #~(begin (use-modules (gnu build marionette) (srfi srfi-64)) (mkdir #$output) (chdir #$output) (test-runner-current (system-test-runner)) (test-begin "start-nfs-boot-test") ;;; Start up NFS server host. (mkdir "/tmp/server") (define server-marionette (make-marionette (list #$(virtual-machine nfs-root-server-os ;(operating-system nfs-root-server-os) ;(port-forwardings '( ; (111 . 111) ; (2049 . 2049) ; (20001 . 20001) ; (20002 . 20002))) )) #:socket-directory "/tmp/server")) (marionette-eval '(begin (use-modules (gnu services herd)) (current-output-port (open-file "/dev/console" "w0")) ;; FIXME: Instead statfs "/" and "/export" and wait until they ;; are different file systems. But Guile doesn't seem to have ;; statfs. (sleep 5) (chmod "/export" #o777) (symlink "/gnu" "/export/gnu") (start-service 'nscd) (start-service 'networking) (start-service 'nfs)) server-marionette) ;;; Wait for the NFS services to be up and running. (test-assert "nfs services are running" (wait-for-file "/var/run/rpc.statd.pid" server-marionette)) (test-assert "NFS port is ready" (wait-for-tcp-port 2049 server-marionette)) (test-assert "NFS statd port is ready" (wait-for-tcp-port 20002 server-marionette)) (test-assert "NFS mountd port is ready" (wait-for-tcp-port 20001 server-marionette)) ;;; FIXME: (test-assert "NFS portmapper port is ready" ;;; FIXME: (wait-for-tcp-port 111 server-marionette)) ;;; Start up NFS client host. (define client-marionette (make-marionette (list #$(virtual-machine nfs-root-client-os ;(port-forwardings '((111 . 111) ; (2049 . 2049) ; (20001 . 20001) ; (20002 . 20002))) )))) (marionette-eval '(begin (use-modules (gnu services herd)) (use-modules (rnrs io ports)) (current-output-port (open-file "/dev/console" "w0")) (let ((content (call-with-input-file "/proc/mounts" get-string-all))) (call-with-output-file "/mounts.new" (lambda (port) (display content port)))) (chmod "/mounts.new" #o777) (rename-file "/mounts.new" "/mounts")) client-marionette) (test-assert "nfs-root-client booted") ;;; Check whether NFS client host communicated with NFS server host. (test-assert "nfs client deposited file" (wait-for-file "/export/mounts" server-marionette)) (marionette-eval '(begin (current-output-port (open-file "/dev/console" "w0")) (call-with-input-file "/export/mounts" display)) server-marionette) (test-end)))) (gexp->derivation "nfs-root-fs-test" test)) (define %test-nfs-root-fs (system-test (name "nfs-root-fs") (description "Test that an NFS server can be started and the exported directory can be used as root file system.") (value (run-nfs-root-fs-test))))