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authorLudovic Courtès <ludovic.courtes@inria.fr>2019-06-04 22:29:40 +0200
committerLudovic Courtès <ludo@gnu.org>2019-06-07 09:57:19 +0200
commit08814aec6ae75adcd059c5235c90ad26e5d5607e (patch)
tree7546c30c13c520c43d87791f085da856ea1dc087 /gnu/tests
parentcd37b144e498ee0ee030306b319cdc4ef1ec5e6f (diff)
services: Add Singularity.
* gnu/packages/linux.scm (singularity)[source](snippet): Change file name of setuid helpers in libexec/cli/*.exec. [arguments]: Remove "--disable-suid". * gnu/services/docker.scm (%singularity-activation): New variable. (singularity-setuid-programs): New procedure. (singularity-service-type): New variable. * gnu/tests/singularity.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Add it. * doc/guix.texi (Miscellaneous Services): Document it.
Diffstat (limited to 'gnu/tests')
-rw-r--r--gnu/tests/singularity.scm128
1 files changed, 128 insertions, 0 deletions
diff --git a/gnu/tests/singularity.scm b/gnu/tests/singularity.scm
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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 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 singularity)
+ #:use-module (gnu tests)
+ #:use-module (gnu system)
+ #:use-module (gnu system vm)
+ #:use-module (gnu system shadow)
+ #:use-module (gnu services)
+ #:use-module (gnu services docker)
+ #:use-module (gnu packages bash)
+ #:use-module (gnu packages guile)
+ #:use-module (gnu packages linux) ;singularity
+ #:use-module (guix gexp)
+ #:use-module (guix store)
+ #:use-module (guix grafts)
+ #:use-module (guix monads)
+ #:use-module (guix packages)
+ #:use-module (guix profiles)
+ #:use-module (guix scripts pack)
+ #:export (%test-singularity))
+
+(define %singularity-os
+ (simple-operating-system
+ (service singularity-service-type)
+ (simple-service 'guest-account
+ account-service-type
+ (list (user-account (name "guest") (uid 1000) (group "guest"))
+ (user-group (name "guest") (id 1000))))))
+
+(define (run-singularity-test image)
+ "Load IMAGE, a Squashfs image, as a Singularity image and run it inside
+%SINGULARITY-OS."
+ (define os
+ (marionette-operating-system %singularity-os))
+
+ (define singularity-exec
+ #~(begin
+ (use-modules (ice-9 popen) (rnrs io ports))
+
+ (let* ((pipe (open-pipe* OPEN_READ
+ #$(file-append singularity
+ "/bin/singularity")
+ "exec" #$image "/bin/guile"
+ "-c" "(display \"hello, world\")"))
+ (str (get-string-all pipe))
+ (status (close-pipe pipe)))
+ (and (zero? status)
+ (string=? str "hello, world")))))
+
+ (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 #$(virtual-machine os))))
+
+ (mkdir #$output)
+ (chdir #$output)
+
+ (test-begin "singularity")
+
+ (test-assert "singularity exec /bin/guile (as root)"
+ (marionette-eval '#$singularity-exec
+ marionette))
+
+ (test-equal "singularity exec /bin/guile (unprivileged)"
+ 0
+ (marionette-eval
+ `(begin
+ (use-modules (ice-9 match))
+
+ (match (primitive-fork)
+ (0
+ (dynamic-wind
+ (const #f)
+ (lambda ()
+ (setgid 1000)
+ (setuid 1000)
+ (execl #$(program-file "singularity-exec-test"
+ #~(exit #$singularity-exec))
+ "test"))
+ (lambda ()
+ (primitive-exit 127))))
+ (pid
+ (cdr (waitpid pid)))))
+ marionette))
+
+ (test-end)
+ (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
+
+ (gexp->derivation "singularity-test" test))
+
+(define (build-tarball&run-singularity-test)
+ (mlet* %store-monad
+ ((_ (set-grafting #f))
+ (guile (set-guile-for-build (default-guile)))
+ ;; 'singularity exec' insists on having /bin/sh in the image.
+ (profile (profile-derivation (packages->manifest
+ (list bash-minimal guile-2.2))
+ #:hooks '()
+ #:locales? #f))
+ (tarball (squashfs-image "singularity-pack" profile
+ #:symlinks '(("/bin" -> "bin")))))
+ (run-singularity-test tarball)))
+
+(define %test-singularity
+ (system-test
+ (name "singularity")
+ (description "Test Singularity container of Guix.")
+ (value (build-tarball&run-singularity-test))))