751 lines
25 KiB
Scheme
751 lines
25 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, 2020 Marius Bakke <marius@gnu.org>
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;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
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;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
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;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
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;;; Copyright © 2021, 2023 Ludovic Courtès <ludo@gnu.org>
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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 (guix modules)
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#:use-module (gnu packages bash)
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#:use-module (gnu packages linux)
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#:use-module (gnu packages networking)
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#:use-module (gnu packages guile)
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#:use-module (gnu services shepherd)
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#:use-module (ice-9 match)
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#:export (%test-static-networking
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%test-inetd
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%test-openvswitch
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%test-dhcpd
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%test-tor
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%test-iptables
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%test-ipfs))
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;;;
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;;; Static networking.
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;;;
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(define (run-static-networking-test vm)
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(define test
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(with-imported-modules '((gnu build marionette)
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(guix build syscalls))
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#~(begin
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(use-modules (gnu build marionette)
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(guix build syscalls)
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(srfi srfi-64))
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(define marionette
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(make-marionette
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'(#$vm "-nic" "user,model=virtio-net-pci")))
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(test-runner-current (system-test-runner #$output))
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(test-begin "static-networking")
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(test-assert "service is up"
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(marionette-eval
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'(begin
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(use-modules (gnu services herd))
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(start-service 'networking))
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marionette))
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(test-assert "network interfaces"
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(marionette-eval
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'(begin
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(use-modules (guix build syscalls))
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(network-interface-names))
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marionette))
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(test-equal "address of eth0"
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"10.0.2.15"
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(marionette-eval
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'(let* ((sock (socket AF_INET SOCK_STREAM 0))
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(addr (network-interface-address sock "eth0")))
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(close-port sock)
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(inet-ntop (sockaddr:fam addr) (sockaddr:addr addr)))
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marionette))
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(test-equal "netmask of eth0"
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"255.255.255.0"
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(marionette-eval
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'(let* ((sock (socket AF_INET SOCK_STREAM 0))
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(mask (network-interface-netmask sock "eth0")))
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(close-port sock)
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(inet-ntop (sockaddr:fam mask) (sockaddr:addr mask)))
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marionette))
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(test-equal "eth0 is up"
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IFF_UP
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(marionette-eval
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'(let* ((sock (socket AF_INET SOCK_STREAM 0))
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(flags (network-interface-flags sock "eth0")))
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(logand flags IFF_UP))
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marionette))
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(test-end))))
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(gexp->derivation "static-networking" test))
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(define %test-static-networking
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(system-test
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(name "static-networking")
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(description "Test the 'static-networking' service.")
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(value
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(let ((os (marionette-operating-system
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(simple-operating-system
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(service static-networking-service-type
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(list %qemu-static-networking)))
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#:imported-modules '((gnu services herd)
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(guix combinators)))))
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(run-static-networking-test (virtual-machine os))))))
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;;;
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;;; Inetd.
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;;;
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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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(service dhcp-client-service-type)
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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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(test-runner-current (system-test-runner #$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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(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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(operating-system
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(inherit (simple-operating-system
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(simple-service 'openswitch-networking
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static-networking-service-type
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(list (static-networking
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(addresses (list (network-address
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(value "10.1.1.1/24")
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(device "ovs0"))))
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(requirement '(openvswitch-configuration)))))
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(service openvswitch-service-type)
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openvswitch-configuration-service))
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;; Ensure the interface name does not change depending on the driver.
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(kernel-arguments (cons "net.ifnames=0" %default-kernel-arguments))))
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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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(guix build syscalls))))
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(define test
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(with-imported-modules '((gnu build marionette)
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(guix build syscalls))
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#~(begin
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(use-modules (gnu build marionette)
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(guix build syscalls)
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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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(test-runner-current (system-test-runner #$output))
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(test-begin "openvswitch")
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;; Wait for our configuration to be active (it sets up br0).
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(test-assert "openvswitch-configuration is running"
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(marionette-eval
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'(begin
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(use-modules (gnu services herd))
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(wait-for-service 'openvswitch-configuration))
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marionette))
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;; Make sure the bridge is created.
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(test-assert "br0 exists"
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(marionette-eval
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'(zero? (system* #$(file-append openvswitch "/bin/ovs-vsctl")
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"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
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(live-service-provision live)))
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(current-services))))
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marionette))
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(test-equal "ovs0 is up"
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IFF_UP
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(marionette-eval
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'(begin
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(use-modules (guix build syscalls))
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(let* ((sock (socket AF_INET SOCK_STREAM 0))
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(flags (network-interface-flags sock "ovs0")))
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(close-port sock)
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(logand flags IFF_UP)))
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marionette))
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(test-end))))
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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 '("ens3"))))
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(define %dhcpd-os
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(simple-operating-system
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(service static-networking-service-type
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(list (static-networking
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(addresses (list (network-address
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(value "192.168.1.4/24")
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(device "ens3"))))
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(routes (list (network-route
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(destination "default")
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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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(srfi srfi-64))
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(define marionette
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(make-marionette (list #$(virtual-machine os))))
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(test-runner-current (system-test-runner #$output))
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(test-begin "dhcpd")
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(test-assert "pid file exists"
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(wait-for-file
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'#$(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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(wait-for-file
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'#$(dhcpd-configuration-lease-file dhcpd-v4-configuration)
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marionette
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#:read '(@ (ice-9 textual-ports) get-string-all)))
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(test-assert "run directory exists"
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(marionette-eval
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'(file-exists?
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#$(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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(wait-for-service 'dhcpv4-daemon))
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marionette))
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(test-end))))
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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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;;;
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;;; Services related to Tor
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;;;
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(define %tor-os
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(simple-operating-system
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(service tor-service-type)))
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(define %tor-os/unix-socks-socket
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(simple-operating-system
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(service tor-service-type
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(tor-configuration
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(socks-socket-type 'unix)))))
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(define (run-tor-test)
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(define os
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(marionette-operating-system %tor-os
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#:imported-modules '((gnu services herd))
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#:requirements '(tor)))
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(define os/unix-socks-socket
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(marionette-operating-system %tor-os/unix-socks-socket
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#:imported-modules '((gnu services herd))
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#:requirements '(tor)))
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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 #$(virtual-machine os))))
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(define (tor-is-alive? marionette)
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(marionette-eval
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'(begin
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(use-modules (gnu services herd)
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(srfi srfi-1))
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(live-service-running
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(find (lambda (live)
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(memq 'tor
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(live-service-provision live)))
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(current-services))))
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marionette))
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(test-runner-current (system-test-runner #$output))
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(test-begin "tor")
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;; Test the usual Tor service.
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(test-assert "tor is alive"
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(tor-is-alive? marionette))
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(test-assert "tor is listening"
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(let ((default-port 9050))
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(wait-for-tcp-port default-port marionette)))
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;; Don't run two VMs at once.
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(marionette-control "quit" marionette)
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;; Test the Tor service using a SOCKS socket.
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(let* ((socket-directory "/tmp/more-sockets")
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(_ (mkdir socket-directory))
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(marionette/unix-socks-socket
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(make-marionette
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(list #$(virtual-machine os/unix-socks-socket))
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;; We can't use the same socket directory as the first
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;; marionette.
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#:socket-directory socket-directory)))
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(test-assert "tor is alive, even when using a SOCKS socket"
|
||
(tor-is-alive? marionette/unix-socks-socket))
|
||
|
||
(test-assert "tor is listening, even when using a SOCKS socket"
|
||
(wait-for-unix-socket "/var/run/tor/socks-sock"
|
||
marionette/unix-socks-socket)))
|
||
|
||
(test-end))))
|
||
|
||
(gexp->derivation "tor-test" test))
|
||
|
||
(define %test-tor
|
||
(system-test
|
||
(name "tor")
|
||
(description "Test a running Tor daemon configuration.")
|
||
(value (run-tor-test))))
|
||
|
||
(define* (run-iptables-test)
|
||
"Run tests of 'iptables-service-type'."
|
||
(define iptables-rules
|
||
"*filter
|
||
:INPUT ACCEPT
|
||
:FORWARD ACCEPT
|
||
:OUTPUT ACCEPT
|
||
-A INPUT -p tcp -m tcp --dport 7 -j REJECT --reject-with icmp-port-unreachable
|
||
COMMIT
|
||
")
|
||
|
||
(define ip6tables-rules
|
||
"*filter
|
||
:INPUT ACCEPT
|
||
:FORWARD ACCEPT
|
||
:OUTPUT ACCEPT
|
||
-A INPUT -p tcp -m tcp --dport 7 -j REJECT --reject-with icmp6-port-unreachable
|
||
COMMIT
|
||
")
|
||
|
||
(define inetd-echo-port 7)
|
||
|
||
(define os
|
||
(marionette-operating-system
|
||
(simple-operating-system
|
||
(service dhcp-client-service-type)
|
||
(service inetd-service-type
|
||
(inetd-configuration
|
||
(entries (list
|
||
(inetd-entry
|
||
(name "echo")
|
||
(socket-type 'stream)
|
||
(protocol "tcp")
|
||
(wait? #f)
|
||
(user "root"))))))
|
||
(service iptables-service-type
|
||
(iptables-configuration
|
||
(ipv4-rules (plain-file "iptables.rules" iptables-rules))
|
||
(ipv6-rules (plain-file "ip6tables.rules" ip6tables-rules)))))
|
||
#:imported-modules '((gnu services herd))
|
||
#:requirements '(inetd iptables)))
|
||
|
||
(define test
|
||
(with-imported-modules '((gnu build marionette))
|
||
#~(begin
|
||
(use-modules (srfi srfi-64)
|
||
(gnu build marionette))
|
||
(define marionette
|
||
(make-marionette (list #$(virtual-machine os))))
|
||
|
||
(define (dump-iptables iptables-save marionette)
|
||
(marionette-eval
|
||
`(begin
|
||
(use-modules (ice-9 popen)
|
||
(ice-9 rdelim)
|
||
(ice-9 regex))
|
||
(call-with-output-string
|
||
(lambda (out)
|
||
(call-with-port
|
||
(open-pipe* OPEN_READ ,iptables-save)
|
||
(lambda (in)
|
||
(let loop ((line (read-line in)))
|
||
;; iptables-save does not output rules in the exact
|
||
;; same format we loaded using iptables-restore. It
|
||
;; adds comments, packet counters, etc. We remove
|
||
;; these additions.
|
||
(unless (eof-object? line)
|
||
(cond
|
||
;; Remove comments
|
||
((string-match "^#" line) #t)
|
||
;; Remove packet counters
|
||
((string-match "^:([A-Z]*) ([A-Z]*) .*" line)
|
||
=> (lambda (match-record)
|
||
(format out ":~a ~a~%"
|
||
(match:substring match-record 1)
|
||
(match:substring match-record 2))))
|
||
;; Pass other lines without modification
|
||
(else (display line out)
|
||
(newline out)))
|
||
(loop (read-line in)))))))))
|
||
marionette))
|
||
|
||
(test-runner-current (system-test-runner #$output))
|
||
(test-begin "iptables")
|
||
|
||
(test-equal "iptables-save dumps the same rules that were loaded"
|
||
(dump-iptables #$(file-append iptables "/sbin/iptables-save")
|
||
marionette)
|
||
#$iptables-rules)
|
||
|
||
(test-equal "ip6tables-save dumps the same rules that were loaded"
|
||
(dump-iptables #$(file-append iptables "/sbin/ip6tables-save")
|
||
marionette)
|
||
#$ip6tables-rules)
|
||
|
||
(test-error "iptables firewall blocks access to inetd echo service"
|
||
'misc-error
|
||
(wait-for-tcp-port inetd-echo-port marionette #:timeout 5))
|
||
|
||
;; TODO: This test freezes up at the login prompt without any
|
||
;; relevant messages on the console. Perhaps it is waiting for some
|
||
;; timeout. Find and fix this issue.
|
||
;; (test-assert "inetd echo service is accessible after iptables firewall is stopped"
|
||
;; (begin
|
||
;; (marionette-eval
|
||
;; '(begin
|
||
;; (use-modules (gnu services herd))
|
||
;; (stop-service 'iptables))
|
||
;; marionette)
|
||
;; (wait-for-tcp-port inetd-echo-port marionette #:timeout 5)))
|
||
|
||
(test-end))))
|
||
|
||
(gexp->derivation "iptables" test))
|
||
|
||
(define %test-iptables
|
||
(system-test
|
||
(name "iptables")
|
||
(description "Test a running iptables daemon.")
|
||
(value (run-iptables-test))))
|
||
|
||
|
||
;;;
|
||
;;; IPFS service
|
||
;;;
|
||
|
||
(define %ipfs-os
|
||
(simple-operating-system
|
||
(service ipfs-service-type)))
|
||
|
||
(define (run-ipfs-test)
|
||
(define os
|
||
(marionette-operating-system %ipfs-os
|
||
#:imported-modules (source-module-closure
|
||
'((gnu services herd)
|
||
(guix ipfs)))
|
||
#:extensions (list guile-json-4)
|
||
#:requirements '(ipfs)))
|
||
|
||
(define test
|
||
(with-imported-modules '((gnu build marionette))
|
||
#~(begin
|
||
(use-modules (gnu build marionette)
|
||
(rnrs bytevectors)
|
||
(srfi srfi-64)
|
||
(ice-9 binary-ports))
|
||
|
||
(define marionette
|
||
(make-marionette (list #$(virtual-machine os))))
|
||
|
||
(define (ipfs-is-alive?)
|
||
(marionette-eval
|
||
'(begin
|
||
(use-modules (gnu services herd)
|
||
(srfi srfi-1))
|
||
(live-service-running
|
||
(find (lambda (live)
|
||
(memq 'ipfs
|
||
(live-service-provision live)))
|
||
(current-services))))
|
||
marionette))
|
||
|
||
;; The default API endpoint port 5001 is used,
|
||
;; so there is no need to parameterize %ipfs-base-url.
|
||
(define (add-data data)
|
||
(marionette-eval `(content-name (add-data ,data)) marionette))
|
||
(define (read-contents object)
|
||
(marionette-eval
|
||
`(let* ((input (read-contents ,object))
|
||
(all-input (get-bytevector-all input)))
|
||
(close-port input)
|
||
all-input)
|
||
marionette))
|
||
|
||
(marionette-eval '(use-modules (guix ipfs)) marionette)
|
||
(test-runner-current (system-test-runner #$output))
|
||
(test-begin "ipfs")
|
||
|
||
;; Test the IPFS service.
|
||
|
||
(test-assert "ipfs is alive" (ipfs-is-alive?))
|
||
|
||
(test-assert "ipfs is listening on the gateway"
|
||
(let ((default-port 8082))
|
||
(wait-for-tcp-port default-port marionette)))
|
||
|
||
(test-assert "ipfs is listening on the API endpoint"
|
||
(let ((default-port 5001))
|
||
(wait-for-tcp-port default-port marionette)))
|
||
|
||
(define test-bv (string->utf8 "hello ipfs!"))
|
||
(test-equal "can upload and download a file to/from ipfs"
|
||
test-bv
|
||
(read-contents (add-data test-bv)))
|
||
|
||
(test-end))))
|
||
(gexp->derivation "ipfs-test" test))
|
||
|
||
(define %test-ipfs
|
||
(system-test
|
||
(name "ipfs")
|
||
(description "Test a running IPFS daemon configuration.")
|
||
(value (run-ipfs-test))))
|