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tests: networking: Add tests for Open vSwitch. 

* gnu/tests/networking.scm (openvswitch-configuration-service,
%openvswitch-os): New variables.
(setup-openvswitch, run-openvswitch-test): New procedures.
(%test-openvswitch): New public variable.
master
Marius Bakke 2017-11-01 20:27:25 +01:00
parent db8ed7cee8
commit 671dbdb9d5
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gnu/tests/networking.scm
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@ -1,5 +1,6 @@
;;; 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.
;;;
@ -26,7 +27,9 @@
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (gnu packages bash)
#:export (%test-inetd))
#:use-module (gnu packages networking)
#:use-module (gnu services shepherd)
#:export (%test-inetd %test-openvswitch))
(define %inetd-os
;; Operating system with 2 inetd services.
@ -135,3 +138,108 @@ port 7, and a dict service on port 2628."
(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))))