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