;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2017 Christopher Baines ;;; Copyright © 2020-2022 Ludovic Courtès ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen ;;; Copyright © 2021 Pierre Langlois ;;; Copyright © 2022 Marius Bakke ;;; ;;; 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 virtualization) #:use-module (gnu tests) #:use-module (gnu image) #:use-module (gnu system) #:use-module (gnu system file-systems) #:use-module (gnu system image) #:use-module (gnu system images hurd) #:use-module (gnu system vm) #:use-module (gnu services) #:use-module (gnu services dbus) #:use-module (gnu services networking) #:use-module (gnu services virtualization) #:use-module (gnu packages ssh) #:use-module (gnu packages virtualization) #:use-module (guix gexp) #:use-module (guix records) #:use-module (guix store) #:export (%test-libvirt %test-qemu-guest-agent %test-childhurd)) ;;; ;;; Libvirt. ;;; (define %libvirt-os (simple-operating-system (service dhcp-client-service-type) (service dbus-root-service-type) (service polkit-service-type) (service libvirt-service-type))) (define (run-libvirt-test) "Run tests in %LIBVIRT-OS." (define os (marionette-operating-system %libvirt-os #:imported-modules '((gnu services herd) (guix combinators)))) (define vm (virtual-machine (operating-system os) (port-forwardings '()))) (define test (with-imported-modules '((gnu build marionette)) #~(begin (use-modules (srfi srfi-11) (srfi srfi-64) (gnu build marionette)) (define marionette (make-marionette (list #$vm))) (test-runner-current (system-test-runner #$output)) (test-begin "libvirt") (test-assert "service running" (marionette-eval '(begin (use-modules (gnu services herd)) (match (start-service 'libvirtd) (#f #f) (('service response-parts ...) (match (assq-ref response-parts 'running) ((pid) (number? pid)))))) marionette)) (test-eq "fetch version" 0 (marionette-eval `(begin (chdir "/tmp") (system* ,(string-append #$libvirt "/bin/virsh") "-c" "qemu:///system" "version")) marionette)) (test-eq "connect" 0 (marionette-eval `(begin (chdir "/tmp") (system* ,(string-append #$libvirt "/bin/virsh") "-c" "qemu:///system" "connect")) marionette)) (test-eq "create default network" 0 (marionette-eval '(begin (chdir "/tmp") (system* #$(file-append libvirt "/bin/virsh") "-c" "qemu:///system" "net-define" #$(file-append libvirt "/etc/libvirt/qemu/networks/default.xml"))) marionette)) (test-eq "start default network" 0 (marionette-eval '(begin (chdir "/tmp") (system* #$(file-append libvirt "/bin/virsh") "-c" "qemu:///system" "net-start" "default")) marionette)) (test-end)))) (gexp->derivation "libvirt-test" test)) (define %test-libvirt (system-test (name "libvirt") (description "Connect to the running LIBVIRT service.") (value (run-libvirt-test)))) ;;; ;;; QEMU Guest Agent service. ;;; (define %qemu-guest-agent-os (simple-operating-system (service qemu-guest-agent-service-type))) (define (run-qemu-guest-agent-test) "Run tests in %QEMU-GUEST-AGENT-OS." (define os (marionette-operating-system %qemu-guest-agent-os #:imported-modules '((gnu services herd)))) (define vm (virtual-machine (operating-system os) (port-forwardings '()))) (define test (with-imported-modules '((gnu build marionette)) #~(begin (use-modules (gnu build marionette) (ice-9 rdelim) (srfi srfi-64)) (define marionette ;; Ensure we look for the socket in the correct place below. (make-marionette (list #$vm) #:socket-directory "/tmp")) (define* (try-read port #:optional (attempts 10)) ;; Try reading from a port several times before giving up. (cond ((char-ready? port) (let ((response (read-line port))) (close-port port) response)) ((> attempts 1) (sleep 1) (try-read port (- attempts 1))) (else ""))) (define (run command) ;; Run a QEMU guest agent command and return the response. (let ((s (socket PF_UNIX SOCK_STREAM 0))) (connect s AF_UNIX "/tmp/qemu-ga") (display command s) (try-read s))) (test-runner-current (system-test-runner #$output)) (test-begin "qemu-guest-agent") (test-assert "service running" (marionette-eval '(begin (use-modules (gnu services herd)) (match (start-service 'qemu-guest-agent) (#f #f) (('service response-parts ...) (match (assq-ref response-parts 'running) ((pid) (number? pid)))))) marionette)) (test-equal "ping guest" "{\"return\": {}}" (run "{\"execute\": \"guest-ping\"}")) (test-assert "get network interfaces" (string-contains (run "{\"execute\": \"guest-network-get-interfaces\"}") "127.0.0.1")) (test-end)))) (gexp->derivation "qemu-guest-agent-test" test)) (define %test-qemu-guest-agent (system-test (name "qemu-guest-agent") (description "Run commands in a virtual machine using QEMU guest agent.") (value (run-qemu-guest-agent-test)))) ;;; ;;; GNU/Hurd virtual machines, aka. childhurds. ;;; ;; Copy of `hurd-vm-disk-image', using plain disk-image for test (define (hurd-vm-disk-image-raw config) (let ((os ((@@ (gnu services virtualization) secret-service-operating-system) (hurd-vm-configuration-os config))) (disk-size (hurd-vm-configuration-disk-size config))) (system-image (image (inherit hurd-disk-image) (format 'disk-image) (size disk-size) (operating-system os))))) (define %childhurd-os (simple-operating-system (service dhcp-client-service-type) (service hurd-vm-service-type (hurd-vm-configuration (image (hurd-vm-disk-image-raw this-record)))))) (define (run-childhurd-test) (define os (marionette-operating-system %childhurd-os #:imported-modules '((gnu services herd) (guix combinators)))) (define vm (virtual-machine (operating-system os) (memory-size (* 1024 3)))) (define (run-command-over-ssh . command) ;; Program that runs COMMAND over SSH and prints the result on standard ;; output. (let () (define run (with-extensions (list guile-ssh) #~(begin (use-modules (ssh session) (ssh auth) (ssh popen) (ice-9 match) (ice-9 textual-ports)) (let ((session (make-session #:user "root" #:port 10022 #:host "localhost" #:log-verbosity 'rare))) (match (connect! session) ('ok (userauth-password! session "") (display (get-string-all (open-remote-input-pipe* session #$@command)))) (status (error "could not connect to childhurd over SSH" session status))))))) (program-file "run-command-over-ssh" run))) (define test (with-imported-modules '((gnu build marionette)) #~(begin (use-modules (gnu build marionette) (srfi srfi-64) (ice-9 match)) (define marionette (make-marionette (list #$vm))) (test-runner-current (system-test-runner #$output)) (test-begin "childhurd") (test-assert "service running" (marionette-eval '(begin (use-modules (gnu services herd)) (match (start-service 'childhurd) (#f #f) (('service response-parts ...) (match (assq-ref response-parts 'running) ((pid) (number? pid)))))) marionette)) (test-equal "childhurd SSH server replies" "SSH" ;; Check from within the guest whether its childhurd's SSH ;; server is reachable. Do that from the guest: port forwarding ;; to the host won't work because QEMU listens on 127.0.0.1. (marionette-eval '(begin (use-modules (ice-9 match)) (let loop ((n 60)) (if (zero? n) 'all-attempts-failed (let ((s (socket PF_INET SOCK_STREAM 0)) (a (make-socket-address AF_INET INADDR_LOOPBACK 10022))) (format #t "connecting to childhurd SSH server...~%") (connect s a) (match (get-string-n s 3) ((? eof-object?) (close-port s) (sleep 1) (loop (- n 1))) (str (close-port s) str)))))) marionette)) (test-equal "SSH up and running" "childhurd GNU\n" ;; Connect from the guest to the chidhurd over SSH and run the ;; 'uname' command. (marionette-eval '(begin (use-modules (ice-9 popen)) (get-string-all (open-input-pipe #$(run-command-over-ssh "uname" "-on")))) marionette)) (test-assert "guix-daemon up and running" (let ((drv (marionette-eval '(begin (use-modules (ice-9 popen)) (get-string-all (open-input-pipe #$(run-command-over-ssh "guix" "build" "coreutils" "--no-grafts" "-d")))) marionette))) ;; We cannot compare the .drv with (raw-derivation-file ;; coreutils) on the host: they may differ due to fixed-output ;; derivations and changes introduced compared to the 'guix' ;; package snapshot. (and (string-suffix? ".drv" (pk 'drv (string-trim-right drv))) drv))) (test-end)))) (gexp->derivation "childhurd-test" test)) (define %test-childhurd (system-test (name "childhurd") (description "Connect to the GNU/Hurd virtual machine service, aka. a childhurd, making sure that the childhurd boots and runs its SSH server.") (value (run-childhurd-test))))