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tests: Add Avahi and NSS-mDNS test.

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* gnu/tests/base.scm (%avahi-os): New variable.
(run-nss-mdns-test): New procedure.
(%test-nss-mdns): New variable.
This commit is contained in:
Ludovic Courtès 2016-06-27 21:40:28 +02:00
parent c8695f325d
commit d2fa61bc35
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1 changed files with 144 additions and 1 deletions
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145
gnu/tests/base.scm
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@ -22,10 +22,15 @@ (define-module (gnu tests base)
#:use-module (gnu system grub)
#:use-module (gnu system file-systems)
#:use-module (gnu system shadow)
#:use-module (gnu system nss)
#:use-module (gnu system vm)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services dbus)
#:use-module (gnu services avahi)
#:use-module (gnu services mcron)
#:use-module (gnu services shepherd)
#:use-module (gnu services networking)
#:use-module (guix gexp)
#:use-module (guix store)
#:use-module (guix monads)
@ -33,7 +38,8 @@ (define-module (gnu tests base)
#:use-module (srfi srfi-1)
#:export (run-basic-test
%test-basic-os
%test-mcron))
%test-mcron
%test-nss-mdns))
(define %simple-os
(operating-system
@ -304,3 +310,140 @@ (define %test-mcron
(name "mcron")
(description "Make sure the mcron service works as advertised.")
(value (run-mcron-test name))))
;;;
;;; Avahi and NSS-mDNS.
;;;
(define %avahi-os
(operating-system
(inherit %simple-os)
(name-service-switch %mdns-host-lookup-nss)
(services (cons* (avahi-service #:debug? #t)
(dbus-service)
(dhcp-client-service) ;needed for multicast
;; Enable heavyweight debugging output.
(modify-services (operating-system-user-services
%simple-os)
(nscd-service-type config
=> (nscd-configuration
(inherit config)
(debug-level 3)
(log-file "/dev/console")))
(syslog-service-type config
=>
(plain-file
"syslog.conf"
"*.* /dev/console\n")))))))
(define (run-nss-mdns-test)
;; Test resolution of '.local' names via libc. Start the marionette service
;; *after* nscd. Failing to do that, libc will try to connect to nscd,
;; fail, then never try again (see '__nss_not_use_nscd_hosts' in libc),
;; leading to '.local' resolution failures.
(mlet* %store-monad ((os -> (marionette-operating-system
%avahi-os
#:requirements '(nscd)
#:imported-modules '((gnu services herd)
(guix combinators))))
(run (system-qemu-image/shared-store-script
os #:graphic? #f)))
(define mdns-host-name
(string-append (operating-system-host-name os)
".local"))
(define test
#~(begin
(use-modules (gnu build marionette)
(srfi srfi-1)
(srfi srfi-64)
(ice-9 match))
(define marionette
(make-marionette (list #$run)))
(mkdir #$output)
(chdir #$output)
(test-begin "avahi")
(test-assert "wait for services"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'nscd)
;; XXX: Work around a race condition in nscd: nscd creates its
;; PID file before it is listening on its socket.
(let ((sock (socket PF_UNIX SOCK_STREAM 0)))
(let try ()
(catch 'system-error
(lambda ()
(connect sock AF_UNIX "/var/run/nscd/socket")
(close-port sock)
(format #t "nscd is ready~%"))
(lambda args
(format #t "waiting for nscd...~%")
(usleep 500000)
(try)))))
;; Wait for the other useful things.
(start-service 'avahi-daemon)
(start-service 'networking)
#t)
marionette))
(test-equal "avahi-resolve-host-name"
0
(marionette-eval
'(system*
"/run/current-system/profile/bin/avahi-resolve-host-name"
"-v" #$mdns-host-name)
marionette))
(test-equal "avahi-browse"
0
(marionette-eval
'(system* "avahi-browse" "-avt")
marionette))
(test-assert "getaddrinfo .local"
;; Wait for the 'avahi-daemon' service and perform a resolution.
(match (marionette-eval
'(getaddrinfo #$mdns-host-name)
marionette)
(((? vector? addrinfos) ..1)
(pk 'getaddrinfo addrinfos)
(and (any (lambda (ai)
(= AF_INET (addrinfo:fam ai)))
addrinfos)
(any (lambda (ai)
(= AF_INET6 (addrinfo:fam ai)))
addrinfos)))))
(test-assert "gethostbyname .local"
(match (pk 'gethostbyname
(marionette-eval '(gethostbyname #$mdns-host-name)
marionette))
((? vector? result)
(and (string=? (hostent:name result) #$mdns-host-name)
(= (hostent:addrtype result) AF_INET)))))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0))))
(gexp->derivation "nss-mdns" test
#:modules '((gnu build marionette)))))
(define %test-nss-mdns
(system-test
(name "nss-mdns")
(description
"Test Avahi's multicast-DNS implementation, and in particular, test its
glibc name service switch (NSS) module.")
(value (run-nss-mdns-test))))