14518fcc54
The tests would otherwise fail on an old desktop. * gnu/tests/docker.scm (run-docker-test) <make-marionette>: Specify a timeout of 60 s. (run-docker-system-test) <make-marionette>: Likewise.
312 lines
12 KiB
Scheme
312 lines
12 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2019 Danny Milosavljevic <dannym@scratchpost.org>
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;;; Copyright © 2019, 2020, 2021 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 docker)
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#:use-module (gnu image)
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#:use-module (gnu tests)
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#:use-module (gnu system)
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#:use-module (gnu system file-systems)
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#:use-module (gnu system image)
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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 dbus)
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#:use-module (gnu services networking)
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#:use-module (gnu services docker)
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#:use-module (gnu services desktop)
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#:use-module ((gnu packages base) #:select (glibc))
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#:use-module (gnu packages guile)
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#:use-module (gnu packages docker)
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#:use-module (guix gexp)
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#:use-module (guix grafts)
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#:use-module (guix monads)
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#:use-module (guix packages)
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#:use-module (guix profiles)
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#:use-module ((guix scripts pack) #:prefix pack:)
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#:use-module (guix store)
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#:use-module (guix tests)
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#:use-module (guix build-system trivial)
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#:use-module ((guix licenses) #:prefix license:)
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#:export (%test-docker
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%test-docker-system))
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(define %docker-os
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(simple-operating-system
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(service dhcp-client-service-type)
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(dbus-service)
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(polkit-service)
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(service elogind-service-type)
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(service docker-service-type)))
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(define (run-docker-test docker-tarball)
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"Load DOCKER-TARBALL as Docker image and run it in a Docker container,
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inside %DOCKER-OS."
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(define os
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(marionette-operating-system
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(operating-system-with-gc-roots
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%docker-os
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(list docker-tarball))
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#:imported-modules '((gnu services herd)
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(guix combinators))))
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(define vm
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(virtual-machine
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(operating-system os)
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(volatile? #f)
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(memory-size 1024)
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(disk-image-size (* 3000 (expt 2 20)))
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(port-forwardings '())))
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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 (srfi srfi-11) (srfi srfi-64)
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(gnu build marionette))
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(define marionette
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;; Relax timeout to accommodate older systems.
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(make-marionette (list #$vm) #:timeout 60))
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(test-runner-current (system-test-runner #$output))
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(test-begin "docker")
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(test-assert "service 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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(match (start-service 'dockerd)
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(#f #f)
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(('service response-parts ...)
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(match (assq-ref response-parts 'running)
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((pid) (number? pid))))))
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marionette))
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(test-eq "fetch version"
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0
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(marionette-eval
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`(begin
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(system* ,(string-append #$docker-cli "/bin/docker")
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"version"))
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marionette))
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(test-equal "Load docker image and run it"
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'("hello world" "hi!" "JSON!" #o1777)
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(marionette-eval
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`(begin
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(define slurp
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(lambda args
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(let* ((port (apply open-pipe* OPEN_READ args))
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(output (read-line port))
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(status (close-pipe port)))
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output)))
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(let* ((raw-line (slurp ,(string-append #$docker-cli
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"/bin/docker")
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"load" "-i"
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,#$docker-tarball))
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(repository&tag (string-drop raw-line
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(string-length
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"Loaded image: ")))
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(response1 (slurp
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,(string-append #$docker-cli "/bin/docker")
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"run" "--entrypoint" "bin/Guile"
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repository&tag
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"/aa.scm"))
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(response2 (slurp ;default entry point
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,(string-append #$docker-cli "/bin/docker")
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"run" repository&tag
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"-c" "(display \"hi!\")"))
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;; Check whether (json) is in $GUILE_LOAD_PATH.
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(response3 (slurp ;default entry point + environment
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,(string-append #$docker-cli "/bin/docker")
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"run" repository&tag
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"-c" "(use-modules (json))
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(display (json-string->scm (scm->json-string \"JSON!\")))"))
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;; Check whether /tmp exists.
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(response4 (slurp
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,(string-append #$docker-cli "/bin/docker")
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"run" repository&tag "-c"
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"(display (stat:perms (lstat \"/tmp\")))")))
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(list response1 response2 response3
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(string->number response4))))
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marionette))
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(test-end))))
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(gexp->derivation "docker-test" test))
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(define (build-tarball&run-docker-test)
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(mlet* %store-monad
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((_ (set-grafting #f))
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(guile (set-guile-for-build (default-guile)))
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(guest-script-package ->
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(package
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(name "guest-script")
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(version "0")
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(source #f)
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(build-system trivial-build-system)
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(arguments `(#:guile ,guile-3.0
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#:builder
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(let ((out (assoc-ref %outputs "out")))
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(mkdir out)
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(call-with-output-file (string-append out "/a.scm")
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(lambda (port)
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(display "(display \"hello world\n\")" port)))
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#t)))
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(synopsis "Display hello world using Guile")
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(description "This package displays the text \"hello world\" on the
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standard output device and then enters a new line.")
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(home-page #f)
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(license license:public-domain)))
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(profile (profile-derivation (packages->manifest
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(list guile-3.0 guile-json-3
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guest-script-package))
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#:hooks '()
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#:locales? #f))
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(tarball (pack:docker-image
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"docker-pack" profile
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#:symlinks '(("/bin/Guile" -> "bin/guile")
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("aa.scm" -> "a.scm"))
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#:entry-point "bin/guile"
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#:localstatedir? #t)))
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(run-docker-test tarball)))
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(define %test-docker
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(system-test
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(name "docker")
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(description "Test Docker container of Guix.")
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(value (build-tarball&run-docker-test))))
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(define (run-docker-system-test tarball)
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"Load DOCKER-TARBALL as Docker image and run it in a Docker container,
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inside %DOCKER-OS."
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(define os
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(marionette-operating-system
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(operating-system-with-gc-roots
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%docker-os
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(list tarball))
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#:imported-modules '((gnu services herd)
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(guix combinators))))
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(define vm
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(virtual-machine
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(operating-system os)
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(volatile? #f)
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(disk-image-size (* 5000 (expt 2 20)))
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(memory-size 2048)
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(port-forwardings '())))
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(define test
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(with-imported-modules '((gnu build marionette)
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(guix build utils))
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#~(begin
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(use-modules (srfi srfi-11) (srfi srfi-64)
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(gnu build marionette)
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(guix build utils))
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(define marionette
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;; Relax timeout to accommodate older systems.
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(make-marionette (list #$vm) #:timeout 60))
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(test-runner-current (system-test-runner #$output))
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(test-begin "docker")
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(test-assert "service running"
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(marionette-eval
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'(begin
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(use-modules (gnu services herd))
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(match (start-service 'dockerd)
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(#f #f)
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(('service response-parts ...)
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(match (assq-ref response-parts 'running)
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((pid) (number? pid))))))
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marionette))
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(test-assert "load system image and run it"
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(marionette-eval
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`(begin
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(define (slurp command . args)
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;; Return the output from COMMAND.
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(let* ((port (apply open-pipe* OPEN_READ command args))
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(output (read-line port))
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(status (close-pipe port)))
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output))
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(define (docker-cli command . args)
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;; Run the given Docker COMMAND.
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(apply invoke #$(file-append docker-cli "/bin/docker")
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command args))
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(define (wait-for-container-file container file)
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;; Wait for FILE to show up in CONTAINER.
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(docker-cli "exec" container
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#$(file-append guile-3.0 "/bin/guile")
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"-c"
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(object->string
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`(let loop ((n 15))
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(when (zero? n)
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(error "file didn't show up" ,file))
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(unless (file-exists? ,file)
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(sleep 1)
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(loop (- n 1)))))))
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(let* ((line (slurp #$(file-append docker-cli "/bin/docker")
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"load" "-i" #$tarball))
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(repository&tag (string-drop line
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(string-length
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"Loaded image: ")))
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(container (slurp
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#$(file-append docker-cli "/bin/docker")
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"create" repository&tag)))
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(docker-cli "start" container)
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;; Wait for shepherd to be ready.
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(wait-for-container-file container
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"/var/run/shepherd/socket")
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(docker-cli "exec" container
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"/run/current-system/profile/bin/herd"
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"status")
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(slurp #$(file-append docker-cli "/bin/docker")
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"exec" container
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"/run/current-system/profile/bin/herd"
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"status" "guix-daemon")))
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marionette))
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(test-end))))
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(gexp->derivation "docker-system-test" test))
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(define %test-docker-system
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(system-test
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(name "docker-system")
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(description "Run a system image as produced by @command{guix system
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docker-image} inside Docker.")
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(value (with-monad %store-monad
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(>>= (lower-object
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(system-image (os->image
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(operating-system
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(inherit (simple-operating-system))
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;; Use locales for a single libc to
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;; reduce space requirements.
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(locale-libcs (list glibc)))
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#:type docker-image-type)))
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run-docker-system-test)))))
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