;;; 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.
;;;
#: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)
- #:export (%test-docker))
+ #: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 elogind-service-type)
(service docker-service-type)))
-(define (run-docker-test)
- "Run tests in %DOCKER-OS."
+(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
(define vm
(virtual-machine
(operating-system os)
- (memory-size 500)
- (disk-image-size (* 250 (expt 2 20)))
+ (memory-size 700)
+ (disk-image-size (* 1500 (expt 2 20)))
(port-forwardings '())))
(define test
"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-3.0
+ #: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-3.0 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 "Connect to the running Docker service.")
- (value (run-docker-test))))
+ (description "Test Docker container of Guix.")
+ (value (build-tarball&run-docker-test))))
+
+\f
+(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-3.0 "/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)))))
HCoop / jackhill / guix / guix.git / blobdiff