bug#21410: Environment containers

[Alex Vong <alexvong1995@gmail.com>]

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On 28/10/2015, Ludovic Courtès <ludo@gnu.org> wrote:
> Alex Vong <alexvong1995@gmail.com> skribis:
>
>> On 27/10/2015, Ludovic Courtès <ludo@gnu.org> wrote:
>
> [...]
>
>>> Do you still experience the test failures mentioned in that report?  If
>>> not, could you email 21410@debbugs.gnu.org, specifying which commit
>>> works for you?
>>>
>> Yes, there are 4 tests still failing with the latest master branch
>> without unprivileged container.
>
> Which tests?  Does tests/container.scm pass?
>
It doesn't pass if I run as unprivileged user. It passes if I run as
root. I will be mailing the test logs on another mail.

>> But there is a new problem, tests/guix-environment-container.sh fails
>> even when running the tests as root. The test log is in the
>> attachment.
>
> [...]
>
>> (for-each (lambda (mount)
>>             (display mount)
>>             (newline))
>>           mappings)'
>> accepted connection from pid 9627, user root (trusted)
>> ++ wc -l
>> + test 4 -eq 3
>
> Could you apply the patch below, run:
>
>   make check TESTS=tests/guix-environment-container.sh
>
> and send ‘guix-environment-container.log’?
>
Sure! It is in the attachment. (Note that I run the test as root to
bypass the unprivileged container issue.)

> Also, what does:
>
>   make check TESTS=tests/container.scm
>
> report?
>
I will send the test log in another mail.

> TIA!
>
> Ludo’.
>
>

Cheers,
Alex

[-- Attachment #2: guix-environment-container.log --]
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+ set -e
+ guix environment --version
warning: daemon is running as root, so using `--build-users-group' is highly recommended
guix environment (GNU Guix) 0.9.0
Copyright (C) 2015 the Guix authors
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
+ tmpdir=t-guix-environment-12182
+ trap 'rm -r "$tmpdir"' EXIT
+ mkdir t-guix-environment-12182
+ guix environment --container --ad-hoc --bootstrap guile-bootstrap -- guile -c '(exit 42)'
accepted connection from pid 12190, user root (trusted)
+ test 42 = 42
+ mount_test_code='
(use-modules (ice-9 rdelim)
             (ice-9 match)
             (srfi srfi-1))

(define mappings
  (filter-map (lambda (line)
                (match (string-split line #\space)
                  ;; Empty line.
                  (("") #f)
                  ;; Ignore these types of file systems.
                  ((_ _ (or "tmpfs" "proc" "sysfs" "devtmpfs"
                            "devpts" "cgroup" "mqueue") _ _ _)
                   #f)
                  ((_ mount _ _ _ _)
                   mount)))
              (string-split (call-with-input-file "/proc/mounts" read-string)
                            #\newline)))

(for-each (lambda (mount)
            (display mount)
            (newline))
          mappings)'
+ guix environment --container --ad-hoc --bootstrap guile-bootstrap -- guile -c '
(use-modules (ice-9 rdelim)
             (ice-9 match)
             (srfi srfi-1))

(define mappings
  (filter-map (lambda (line)
                (match (string-split line #\space)
                  ;; Empty line.
                  (("") #f)
                  ;; Ignore these types of file systems.
                  ((_ _ (or "tmpfs" "proc" "sysfs" "devtmpfs"
                            "devpts" "cgroup" "mqueue") _ _ _)
                   #f)
                  ((_ mount _ _ _ _)
                   mount)))
              (string-split (call-with-input-file "/proc/mounts" read-string)
                            #\newline)))

(for-each (lambda (mount)
            (display mount)
            (newline))
          mappings)'
accepted connection from pid 12196, user root (trusted)
+ cat t-guix-environment-12182/mounts
/
/home/alexvong1995/guix
/home/alexvong1995/guix/test-tmp/store/bdg31cb28ki1b0xi4rqrc721hadn3lfw-bash
/home/alexvong1995/guix/test-tmp/store/92vjphkx545ndw82vn4fp9m3xxkv3mzd-guile-bootstrap-2.0
++ wc -l
+ test 4 -eq 3
+ rm -r t-guix-environment-12182