0e42a1643e
The system image would no longer fit in memory, starting from commit
8c7eb58453.
* gnu/tests/docker.scm (run-docker-system-test): Set 'memory-size' to 3500.
303 lines
12 KiB
Scheme
303 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2019 Danny Milosavljevic <dannym@scratchpost.org>
|
||
;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
|
||
;;;
|
||
;;; 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 docker)
|
||
#:use-module (gnu tests)
|
||
#:use-module (gnu system)
|
||
#:use-module (gnu system file-systems)
|
||
#:use-module (gnu system vm)
|
||
#:use-module (gnu services)
|
||
#:use-module (gnu services dbus)
|
||
#:use-module (gnu services networking)
|
||
#:use-module (gnu services docker)
|
||
#:use-module (gnu services desktop)
|
||
#:use-module (gnu packages docker)
|
||
#:use-module (gnu packages guile)
|
||
#:use-module (guix gexp)
|
||
#:use-module (guix grafts)
|
||
#:use-module (guix monads)
|
||
#:use-module (guix packages)
|
||
#:use-module (guix profiles)
|
||
#:use-module (guix scripts pack)
|
||
#:use-module (guix store)
|
||
#:use-module (guix tests)
|
||
#:use-module (guix build-system trivial)
|
||
#:use-module ((guix licenses) #:prefix license:)
|
||
#:export (%test-docker
|
||
%test-docker-system))
|
||
|
||
(define %docker-os
|
||
(simple-operating-system
|
||
(service dhcp-client-service-type)
|
||
(dbus-service)
|
||
(polkit-service)
|
||
(service elogind-service-type)
|
||
(service docker-service-type)))
|
||
|
||
(define (run-docker-test docker-tarball)
|
||
"Load DOCKER-TARBALL as Docker image and run it in a Docker container,
|
||
inside %DOCKER-OS."
|
||
(define os
|
||
(marionette-operating-system
|
||
%docker-os
|
||
#:imported-modules '((gnu services herd)
|
||
(guix combinators))))
|
||
|
||
(define vm
|
||
(virtual-machine
|
||
(operating-system os)
|
||
(memory-size 700)
|
||
(disk-image-size (* 1500 (expt 2 20)))
|
||
(port-forwardings '())))
|
||
|
||
(define test
|
||
(with-imported-modules '((gnu build marionette))
|
||
#~(begin
|
||
(use-modules (srfi srfi-11) (srfi srfi-64)
|
||
(gnu build marionette))
|
||
|
||
(define marionette
|
||
(make-marionette (list #$vm)))
|
||
|
||
(mkdir #$output)
|
||
(chdir #$output)
|
||
|
||
(test-begin "docker")
|
||
|
||
(test-assert "service running"
|
||
(marionette-eval
|
||
'(begin
|
||
(use-modules (gnu services herd))
|
||
(match (start-service 'dockerd)
|
||
(#f #f)
|
||
(('service response-parts ...)
|
||
(match (assq-ref response-parts 'running)
|
||
((pid) (number? pid))))))
|
||
marionette))
|
||
|
||
(test-eq "fetch version"
|
||
0
|
||
(marionette-eval
|
||
`(begin
|
||
(system* ,(string-append #$docker-cli "/bin/docker")
|
||
"version"))
|
||
marionette))
|
||
|
||
(test-equal "Load docker image and run it"
|
||
'("hello world" "hi!" "JSON!" #o1777)
|
||
(marionette-eval
|
||
`(begin
|
||
(define slurp
|
||
(lambda args
|
||
(let* ((port (apply open-pipe* OPEN_READ args))
|
||
(output (read-line port))
|
||
(status (close-pipe port)))
|
||
output)))
|
||
(let* ((raw-line (slurp ,(string-append #$docker-cli
|
||
"/bin/docker")
|
||
"load" "-i"
|
||
,#$docker-tarball))
|
||
(repository&tag (string-drop raw-line
|
||
(string-length
|
||
"Loaded image: ")))
|
||
(response1 (slurp
|
||
,(string-append #$docker-cli "/bin/docker")
|
||
"run" "--entrypoint" "bin/Guile"
|
||
repository&tag
|
||
"/aa.scm"))
|
||
(response2 (slurp ;default entry point
|
||
,(string-append #$docker-cli "/bin/docker")
|
||
"run" repository&tag
|
||
"-c" "(display \"hi!\")"))
|
||
|
||
;; Check whether (json) is in $GUILE_LOAD_PATH.
|
||
(response3 (slurp ;default entry point + environment
|
||
,(string-append #$docker-cli "/bin/docker")
|
||
"run" repository&tag
|
||
"-c" "(use-modules (json))
|
||
(display (json-string->scm (scm->json-string \"JSON!\")))"))
|
||
|
||
;; Check whether /tmp exists.
|
||
(response4 (slurp
|
||
,(string-append #$docker-cli "/bin/docker")
|
||
"run" repository&tag "-c"
|
||
"(display (stat:perms (lstat \"/tmp\")))")))
|
||
(list response1 response2 response3
|
||
(string->number response4))))
|
||
marionette))
|
||
|
||
(test-end)
|
||
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
|
||
|
||
(gexp->derivation "docker-test" test))
|
||
|
||
(define (build-tarball&run-docker-test)
|
||
(mlet* %store-monad
|
||
((_ (set-grafting #f))
|
||
(guile (set-guile-for-build (default-guile)))
|
||
(guest-script-package ->
|
||
(package
|
||
(name "guest-script")
|
||
(version "0")
|
||
(source #f)
|
||
(build-system trivial-build-system)
|
||
(arguments `(#:guile ,guile-2.2
|
||
#:builder
|
||
(let ((out (assoc-ref %outputs "out")))
|
||
(mkdir out)
|
||
(call-with-output-file (string-append out "/a.scm")
|
||
(lambda (port)
|
||
(display "(display \"hello world\n\")" port)))
|
||
#t)))
|
||
(synopsis "Display hello world using Guile")
|
||
(description "This package displays the text \"hello world\" on the
|
||
standard output device and then enters a new line.")
|
||
(home-page #f)
|
||
(license license:public-domain)))
|
||
(profile (profile-derivation (packages->manifest
|
||
(list guile-2.2 guile-json-3
|
||
guest-script-package))
|
||
#:hooks '()
|
||
#:locales? #f))
|
||
(tarball (docker-image "docker-pack" profile
|
||
#:symlinks '(("/bin/Guile" -> "bin/guile")
|
||
("aa.scm" -> "a.scm"))
|
||
#:entry-point "bin/guile"
|
||
#:localstatedir? #t)))
|
||
(run-docker-test tarball)))
|
||
|
||
(define %test-docker
|
||
(system-test
|
||
(name "docker")
|
||
(description "Test Docker container of Guix.")
|
||
(value (build-tarball&run-docker-test))))
|
||
|
||
|
||
(define (run-docker-system-test tarball)
|
||
"Load DOCKER-TARBALL as Docker image and run it in a Docker container,
|
||
inside %DOCKER-OS."
|
||
(define os
|
||
(marionette-operating-system
|
||
%docker-os
|
||
#:imported-modules '((gnu services herd)
|
||
(guix combinators))))
|
||
|
||
(define vm
|
||
(virtual-machine
|
||
(operating-system os)
|
||
;; FIXME: Because we're using the volatile-root setup where the root file
|
||
;; system is a tmpfs overlaid over a small root file system, 'docker
|
||
;; load' must be able to store the whole image into memory, hence the
|
||
;; huge memory requirements. We should avoid the volatile-root setup
|
||
;; instead.
|
||
(memory-size 3500)
|
||
(port-forwardings '())))
|
||
|
||
(define test
|
||
(with-imported-modules '((gnu build marionette)
|
||
(guix build utils))
|
||
#~(begin
|
||
(use-modules (srfi srfi-11) (srfi srfi-64)
|
||
(gnu build marionette)
|
||
(guix build utils))
|
||
|
||
(define marionette
|
||
(make-marionette (list #$vm)))
|
||
|
||
(mkdir #$output)
|
||
(chdir #$output)
|
||
|
||
(test-begin "docker")
|
||
|
||
(test-assert "service running"
|
||
(marionette-eval
|
||
'(begin
|
||
(use-modules (gnu services herd))
|
||
(match (start-service 'dockerd)
|
||
(#f #f)
|
||
(('service response-parts ...)
|
||
(match (assq-ref response-parts 'running)
|
||
((pid) (number? pid))))))
|
||
marionette))
|
||
|
||
(test-assert "load system image and run it"
|
||
(marionette-eval
|
||
`(begin
|
||
(define (slurp command . args)
|
||
;; Return the output from COMMAND.
|
||
(let* ((port (apply open-pipe* OPEN_READ command args))
|
||
(output (read-line port))
|
||
(status (close-pipe port)))
|
||
output))
|
||
|
||
(define (docker-cli command . args)
|
||
;; Run the given Docker COMMAND.
|
||
(apply invoke #$(file-append docker-cli "/bin/docker")
|
||
command args))
|
||
|
||
(define (wait-for-container-file container file)
|
||
;; Wait for FILE to show up in CONTAINER.
|
||
(docker-cli "exec" container
|
||
#$(file-append guile-2.2 "/bin/guile")
|
||
"-c"
|
||
(object->string
|
||
`(let loop ((n 15))
|
||
(when (zero? n)
|
||
(error "file didn't show up" ,file))
|
||
(unless (file-exists? ,file)
|
||
(sleep 1)
|
||
(loop (- n 1)))))))
|
||
|
||
(let* ((line (slurp #$(file-append docker-cli "/bin/docker")
|
||
"load" "-i" #$tarball))
|
||
(repository&tag (string-drop line
|
||
(string-length
|
||
"Loaded image: ")))
|
||
(container (slurp
|
||
#$(file-append docker-cli "/bin/docker")
|
||
"create" repository&tag)))
|
||
(docker-cli "start" container)
|
||
|
||
;; Wait for shepherd to be ready.
|
||
(wait-for-container-file container
|
||
"/var/run/shepherd/socket")
|
||
|
||
(docker-cli "exec" container
|
||
"/run/current-system/profile/bin/herd"
|
||
"status")
|
||
(slurp #$(file-append docker-cli "/bin/docker")
|
||
"exec" container
|
||
"/run/current-system/profile/bin/herd"
|
||
"status" "guix-daemon")))
|
||
marionette))
|
||
|
||
(test-end)
|
||
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
|
||
|
||
(gexp->derivation "docker-system-test" test))
|
||
|
||
(define %test-docker-system
|
||
(system-test
|
||
(name "docker-system")
|
||
(description "Run a system image as produced by @command{guix system
|
||
docker-image} inside Docker.")
|
||
(value (with-monad %store-monad
|
||
(>>= (system-docker-image (simple-operating-system))
|
||
run-docker-system-test)))))
|