guix-devel/gnu/tests/networking.scm

341 lines
11 KiB
Scheme
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
;;;
;;; 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 networking)
#:use-module (gnu tests)
#:use-module (gnu system)
#:use-module (gnu system vm)
#:use-module (gnu services)
#:use-module (gnu services networking)
#:use-module (guix gexp)
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (gnu packages bash)
#:use-module (gnu packages networking)
#:use-module (gnu services shepherd)
#:export (%test-inetd %test-openvswitch %test-dhcpd))
(define %inetd-os
;; Operating system with 2 inetd services.
(simple-operating-system
(dhcp-client-service)
(service inetd-service-type
(inetd-configuration
(entries (list
(inetd-entry
(name "echo")
(socket-type 'stream)
(protocol "tcp")
(wait? #f)
(user "root"))
(inetd-entry
(name "dict")
(socket-type 'stream)
(protocol "tcp")
(wait? #f)
(user "root")
(program (file-append bash
"/bin/bash"))
(arguments
(list "bash" (plain-file "my-dict.sh" "\
while read line
do
if [[ $line =~ ^DEFINE\\ (.*)$ ]]
then
case ${BASH_REMATCH[1]} in
Guix)
echo GNU Guix is a package management tool for the GNU system.
;;
G-expression)
echo Like an S-expression but with a G.
;;
*)
echo NO DEFINITION FOUND
;;
esac
else
echo ERROR
fi
done" ))))))))))
(define* (run-inetd-test)
"Run tests in %INETD-OS, where the inetd service provides an echo service on
port 7, and a dict service on port 2628."
(define os
(marionette-operating-system %inetd-os))
(define vm
(virtual-machine
(operating-system os)
(port-forwardings `((8007 . 7)
(8628 . 2628)))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (ice-9 rdelim)
(srfi srfi-64)
(gnu build marionette))
(define marionette
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin "inetd")
;; Make sure the PID file is created.
(test-assert "PID file"
(marionette-eval
'(file-exists? "/var/run/inetd.pid")
marionette))
;; Test the echo service.
(test-equal "echo response"
"Hello, Guix!"
(let ((echo (socket PF_INET SOCK_STREAM 0))
(addr (make-socket-address AF_INET INADDR_LOOPBACK 8007)))
(connect echo addr)
(display "Hello, Guix!\n" echo)
(let ((response (read-line echo)))
(close echo)
response)))
;; Test the dict service
(test-equal "dict response"
"GNU Guix is a package management tool for the GNU system."
(let ((dict (socket PF_INET SOCK_STREAM 0))
(addr (make-socket-address AF_INET INADDR_LOOPBACK 8628)))
(connect dict addr)
(display "DEFINE Guix\n" dict)
(let ((response (read-line dict)))
(close dict)
response)))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "inetd-test" test))
(define %test-inetd
(system-test
(name "inetd")
(description "Connect to a host with an INETD server.")
(value (run-inetd-test))))
;;;
;;; Open vSwitch
;;;
(define setup-openvswitch
#~(let ((ovs-vsctl (lambda (str)
(zero? (apply system*
#$(file-append openvswitch "/bin/ovs-vsctl")
(string-tokenize str)))))
(add-native-port (lambda (if)
(string-append "--may-exist add-port br0 " if
" vlan_mode=native-untagged"
" -- set Interface " if
" type=internal"))))
(and (ovs-vsctl "--may-exist add-br br0")
;; Connect eth0 as an "untagged" port (no VLANs).
(ovs-vsctl "--may-exist add-port br0 eth0 vlan_mode=native-untagged")
(ovs-vsctl (add-native-port "ovs0")))))
(define openvswitch-configuration-service
(simple-service 'openvswitch-configuration shepherd-root-service-type
(list (shepherd-service
(provision '(openvswitch-configuration))
(requirement '(vswitchd))
(start #~(lambda ()
#$setup-openvswitch))
(respawn? #f)))))
(define %openvswitch-os
(simple-operating-system
(static-networking-service "ovs0" "10.1.1.1"
#:netmask "255.255.255.252"
#:requirement '(openvswitch-configuration))
(service openvswitch-service-type
(openvswitch-configuration
(package openvswitch)))
openvswitch-configuration-service))
(define (run-openvswitch-test)
(define os
(marionette-operating-system %openvswitch-os
#:imported-modules '((gnu services herd))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (gnu build marionette)
(ice-9 popen)
(ice-9 rdelim)
(srfi srfi-64))
(define marionette
(make-marionette (list #$(virtual-machine os))))
(mkdir #$output)
(chdir #$output)
(test-begin "openvswitch")
;; Make sure the bridge is created.
(test-assert "br0 exists"
(marionette-eval
'(zero? (system* "ovs-vsctl" "br-exists" "br0"))
marionette))
;; Make sure eth0 is connected to the bridge.
(test-equal "eth0 is connected to br0"
"br0"
(marionette-eval
'(begin
(use-modules (ice-9 popen) (ice-9 rdelim))
(let* ((port (open-pipe*
OPEN_READ
(string-append #$openvswitch "/bin/ovs-vsctl")
"port-to-br" "eth0"))
(output (read-line port)))
(close-pipe port)
output))
marionette))
;; Make sure the virtual interface got a static IP.
(test-assert "networking has started on ovs0"
(marionette-eval
'(begin
(use-modules (gnu services herd)
(srfi srfi-1))
(live-service-running
(find (lambda (live)
(memq 'networking-ovs0
(live-service-provision live)))
(current-services))))
marionette))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "openvswitch-test" test))
(define %test-openvswitch
(system-test
(name "openvswitch")
(description "Test a running OpenvSwitch configuration.")
(value (run-openvswitch-test))))
;;;
;;; DHCP Daemon
;;;
(define minimal-dhcpd-v4-config-file
(plain-file "dhcpd.conf"
"\
default-lease-time 600;
max-lease-time 7200;
subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.100 192.168.1.200;
option routers 192.168.1.1;
option domain-name-servers 192.168.1.2, 192.168.1.3;
option domain-name \"dummy.domain.name.abc123xyz\";
}
"))
(define dhcpd-v4-configuration
(dhcpd-configuration
(config-file minimal-dhcpd-v4-config-file)
(version "4")
(interfaces '("eth0"))))
(define %dhcpd-os
(simple-operating-system
(static-networking-service "eth0" "192.168.1.4"
#:netmask "255.255.255.0"
#:gateway "192.168.1.1"
#:name-servers '("192.168.1.2" "192.168.1.3"))
(service dhcpd-service-type dhcpd-v4-configuration)))
(define (run-dhcpd-test)
(define os
(marionette-operating-system %dhcpd-os
#:imported-modules '((gnu services herd))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (gnu build marionette)
(ice-9 popen)
(ice-9 rdelim)
(srfi srfi-64))
(define marionette
(make-marionette (list #$(virtual-machine os))))
(mkdir #$output)
(chdir #$output)
(test-begin "dhcpd")
(test-assert "pid file exists"
(marionette-eval
'(file-exists?
#$(dhcpd-configuration-pid-file dhcpd-v4-configuration))
marionette))
(test-assert "lease file exists"
(marionette-eval
'(file-exists?
#$(dhcpd-configuration-lease-file dhcpd-v4-configuration))
marionette))
(test-assert "run directory exists"
(marionette-eval
'(file-exists?
#$(dhcpd-configuration-run-directory dhcpd-v4-configuration))
marionette))
(test-assert "dhcpd is alive"
(marionette-eval
'(begin
(use-modules (gnu services herd)
(srfi srfi-1))
(live-service-running
(find (lambda (live)
(memq 'dhcpv4-daemon
(live-service-provision live)))
(current-services))))
marionette))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "dhcpd-test" test))
(define %test-dhcpd
(system-test
(name "dhcpd")
(description "Test a running DHCP daemon configuration.")
(value (run-dhcpd-test))))