2015-06-02 08:48:16 -04:00
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2015 David Thompson <davet@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 (test-containers)
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#:use-module (guix utils)
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#:use-module (guix build syscalls)
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#:use-module (gnu build linux-container)
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#:use-module (srfi srfi-64)
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#:use-module (ice-9 match))
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(define (assert-exit x)
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(primitive-exit (if x 0 1)))
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build: Add a Guile custom test driver using SRFI-64.
Before that '.log' files for scheme tests were fragmented and not
included in test-suite.log. This unifies the semantics of SRFI-64 API
with Automake test suite.
* build-aux/test-driver.scm: New file.
* Makefile.am (SCM_LOG_DRIVER, AM_SCM_LOG_DRIVER_FLAGS): New variables.
(SCM_LOG_COMPILER, AM_SCM_LOG_FLAGS): Delete variables.
(AM_TESTS_ENVIRONMENT): Set GUILE_AUTO_COMPILE to 0.
* test-env.in: Silence guix-daemon.
* doc/guix.texi (Running the Test Suite): Describe how to display the
detailed results. Bug reports require only 'test-suite.log' file.
* tests/base32.scm, tests/build-utils.scm, tests/builders.scm,
tests/challenge.scm, tests/cpan.scm, tests/cpio.scm, tests/cran.scm,
tests/cve.scm, tests/derivations.scm, tests/elpa.scm,
tests/file-systems.scm, tests/gem.scm, tests/gexp.scm,
tests/gnu-maintenance.scm, tests/grafts.scm, tests/graph.scm,
tests/gremlin.scm, tests/hackage.scm, tests/hash.scm,
tests/import-utils.scm, tests/lint.scm, tests/monads.scm, tests/nar.scm,
tests/packages.scm, tests/pk-crypto.scm, tests/pki.scm,
tests/profiles.scm, tests/publish.scm, tests/pypi.scm,
tests/records.scm, tests/scripts-build.scm, tests/scripts.scm,
tests/services.scm, tests/sets.scm, tests/size.scm, tests/snix.scm,
tests/store.scm, tests/substitute.scm, tests/syscalls.scm,
tests/system.scm, tests/ui.scm, tests/union.scm, tests/upstream.scm,
tests/utils.scm: Don't exit at the end of test groups.
* tests/containers.scm: Likewise. Use 'test-skip' instead of exiting
with error code 77.
2015-10-26 18:47:24 -04:00
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(test-begin "containers")
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2015-08-11 08:30:28 -04:00
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;; Skip these tests unless user namespaces are available and the setgroups
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;; file (introduced in Linux 3.19 to address a security issue) exists.
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2016-06-24 18:42:19 -04:00
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(define (skip-if-unsupported)
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(unless (and (user-namespace-supported?)
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(unprivileged-user-namespace-supported?)
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(setgroups-supported?))
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(test-skip 1)))
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2015-06-02 08:48:16 -04:00
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2016-06-24 18:42:19 -04:00
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(skip-if-unsupported)
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2015-10-09 12:33:40 -04:00
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(test-assert "call-with-container, exit with 0 when there is no error"
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(zero?
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(call-with-container '() (const #t) #:namespaces '(user))))
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2016-06-24 18:42:19 -04:00
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(skip-if-unsupported)
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2015-06-02 08:48:16 -04:00
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(test-assert "call-with-container, user namespace"
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(zero?
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(call-with-container '()
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(lambda ()
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;; The user is root within the new user namespace.
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(assert-exit (and (zero? (getuid)) (zero? (getgid)))))
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#:namespaces '(user))))
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2016-06-24 18:42:19 -04:00
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(skip-if-unsupported)
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2015-06-02 08:48:16 -04:00
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(test-assert "call-with-container, uts namespace"
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(zero?
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(call-with-container '()
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(lambda ()
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;; The user is root within the container and should be able to change
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;; the hostname of that container.
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(sethostname "test-container")
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(primitive-exit 0))
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#:namespaces '(user uts))))
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2016-06-24 18:42:19 -04:00
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(skip-if-unsupported)
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2015-06-02 08:48:16 -04:00
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(test-assert "call-with-container, pid namespace"
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(zero?
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(call-with-container '()
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(lambda ()
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(match (primitive-fork)
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(0
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;; The first forked process in the new pid namespace is pid 2.
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(assert-exit (= 2 (getpid))))
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(pid
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(primitive-exit
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(match (waitpid pid)
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((_ . status)
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(status:exit-val status)))))))
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#:namespaces '(user pid))))
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2016-06-24 18:42:19 -04:00
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(skip-if-unsupported)
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2015-06-02 08:48:16 -04:00
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(test-assert "call-with-container, mnt namespace"
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(zero?
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(call-with-container '(("none" device "/testing" "tmpfs" () #f #f))
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(lambda ()
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(assert-exit (file-exists? "/testing")))
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#:namespaces '(user mnt))))
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2016-06-24 18:42:19 -04:00
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(skip-if-unsupported)
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2016-05-30 16:44:58 -04:00
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(test-equal "call-with-container, mnt namespace, wrong bind mount"
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`(system-error ,ENOENT)
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;; An exception should be raised; see <http://bugs.gnu.org/23306>.
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(catch 'system-error
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(lambda ()
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(call-with-container '(("/does-not-exist" device "/foo"
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"none" (bind-mount) #f #f))
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(const #t)
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#:namespaces '(user mnt)))
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(lambda args
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(list 'system-error (system-error-errno args)))))
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2016-06-24 18:42:19 -04:00
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(skip-if-unsupported)
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2015-06-02 08:48:16 -04:00
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(test-assert "call-with-container, all namespaces"
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(zero?
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(call-with-container '()
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(lambda ()
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(primitive-exit 0)))))
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2016-06-24 18:42:19 -04:00
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(skip-if-unsupported)
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2015-06-02 08:48:16 -04:00
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(test-assert "container-excursion"
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(call-with-temporary-directory
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(lambda (root)
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;; Two pipes: One for the container to signal that the test can begin,
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;; and one for the parent to signal to the container that the test is
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;; over.
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(match (list (pipe) (pipe))
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(((start-in . start-out) (end-in . end-out))
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(define (container)
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(close end-out)
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(close start-in)
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;; Signal for the test to start.
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(write 'ready start-out)
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(close start-out)
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;; Wait for test completion.
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(read end-in)
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(close end-in))
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(define (namespaces pid)
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(let ((pid (number->string pid)))
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(map (lambda (ns)
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(readlink (string-append "/proc/" pid "/ns/" ns)))
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'("user" "ipc" "uts" "net" "pid" "mnt"))))
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2015-08-01 21:04:31 -04:00
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(let* ((pid (run-container root '() %namespaces 1 container))
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2015-06-02 08:48:16 -04:00
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(container-namespaces (namespaces pid))
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(result
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(begin
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(close start-out)
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;; Wait for container to be ready.
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(read start-in)
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(close start-in)
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(container-excursion pid
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(lambda ()
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;; Fork again so that the pid is within the context of
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;; the joined pid namespace instead of the original pid
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;; namespace.
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(match (primitive-fork)
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(0
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;; Check that all of the namespace identifiers are
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;; the same as the container process.
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(assert-exit
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(equal? container-namespaces
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(namespaces (getpid)))))
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(fork-pid
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(match (waitpid fork-pid)
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((_ . status)
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(primitive-exit
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(status:exit-val status)))))))))))
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(close end-in)
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;; Stop the container.
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(write 'done end-out)
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(close end-out)
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(waitpid pid)
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(zero? result)))))))
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2016-10-18 17:22:03 -04:00
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(skip-if-unsupported)
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(test-equal "container-excursion, same namespaces"
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42
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;; The parent and child are in the same namespaces. 'container-excursion'
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;; should notice that and avoid calling 'setns' since that would fail.
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(container-excursion (getpid)
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(lambda ()
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(primitive-exit 42))))
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2015-06-02 08:48:16 -04:00
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(test-end)
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