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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
;;; Copyright © 2020 Ludovic Courtès <ludo@gnu.org>
;;;
;;; 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 virtualization)
#:use-module (gnu tests)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
#: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 virtualization)
#:use-module (gnu packages ssh)
#:use-module (guix gexp)
#:use-module (guix store)
#:export (%test-libvirt
%test-childhurd))
;;;
;;; Libvirt.
;;;
(define %libvirt-os
(simple-operating-system
(service dhcp-client-service-type)
(dbus-service)
(polkit-service)
(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 #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin "libvirt")
(test-assert "service running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(match (start-service 'libvirtd)
(#f #f)
(('service response-parts ...)
(match (assq-ref response-parts 'running)
((pid) (number? pid))))))
marionette))
(test-eq "fetch version"
0
(marionette-eval
`(begin
(system* ,(string-append #$libvirt "/bin/virsh")
"-c" "qemu:///system" "version"))
marionette))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "libvirt-test" test))
(define %test-libvirt
(system-test
(name "libvirt")
(description "Connect to the running LIBVIRT service.")
(value (run-libvirt-test))))
;;;
;;; GNU/Hurd virtual machines, aka. childhurds.
;;;
(define %childhurd-os
(simple-operating-system
(service dhcp-client-service-type)
(service hurd-vm-service-type)))
(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-uname-over-ssh
;; Program that runs 'uname' 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 "uname" "-on"))))
(status
(error "could not connect to childhurd over SSH"
session status)))))))
(program-file "run-uname-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 #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin "childhurd")
(test-assert "service running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(match (start-service 'childhurd)
(#f #f)
(('service response-parts ...)
(match (assq-ref response-parts 'running)
((pid) (number? pid))))))
marionette))
(test-equal "childhurd SSH server replies"
"SSH"
;; Check from within the guest whether its childhurd's SSH
;; server is reachable. Do that from the guest: port forwarding
;; to the host won't work because QEMU listens on 127.0.0.1.
(marionette-eval
'(begin
(use-modules (ice-9 match))
(let loop ((n 60))
(if (zero? n)
'all-attempts-failed
(let ((s (socket PF_INET SOCK_STREAM 0))
(a (make-socket-address AF_INET
INADDR_LOOPBACK
10022)))
(format #t "connecting to childhurd SSH server...~%")
(connect s a)
(match (get-string-n s 3)
((? eof-object?)
(close-port s)
(sleep 1)
(loop (- n 1)))
(str
(close-port s)
str))))))
marionette))
(test-equal "SSH up and running"
"childhurd GNU\n"
;; Connect from the guest to the chidhurd over SSH and run the
;; 'uname' command.
(marionette-eval
'(begin
(use-modules (ice-9 popen))
(get-string-all
(open-input-pipe #$run-uname-over-ssh)))
marionette))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(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))))
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