tests/guix-environment-container.sh

   1 # GNU Guix --- Functional package management for GNU
   2 # Copyright © 2015 David Thompson <davet@gnu.org>
   3 #
   4 # This file is part of GNU Guix.
   5 #
   6 # GNU Guix is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or (at
   9 # your option) any later version.
  10 #
  11 # GNU Guix is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 #
  20 # Test 'guix environment'.
  21 #
  22
  23 set -e
  24
  25 guix environment --version
  26
  27 if ! guile -c '((@@ (guix scripts environment) assert-container-features))'
  28 then
  29     # User containers are not supported; skip this test.
  30     exit 77
  31 fi
  32
  33 tmpdir="t-guix-environment-$$"
  34 trap 'rm -r "$tmpdir"' EXIT
  35
  36 mkdir "$tmpdir"
  37
  38 # Make sure the exit value is preserved.
  39 if guix environment --container --ad-hoc --bootstrap guile-bootstrap \
  40         -- guile -c '(exit 42)'
  41 then
  42     false
  43 else
  44     test $? = 42
  45 fi
  46
  47 # By default, the UID inside the container should be the same as outside.
  48 uid="`id -u`"
  49 inner_uid="`guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  50   -- guile -c '(display (getuid))'`"
  51 test $inner_uid = $uid
  52
  53 # When '--user' is passed, the UID should be 1000.  (Note: Use a separate HOME
  54 # so that we don't run into problems when the test directory is under /home.)
  55 export tmpdir
  56 inner_uid="`HOME=$tmpdir guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  57   --user=gnu-guix -- guile -c '(display (getuid))'`"
  58 test $inner_uid = 1000
  59
  60 if test "x$USER" = "x"; then USER="`id -un`"; fi
  61
  62 # Check whether /etc/passwd and /etc/group are valid.
  63 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  64      -- guile -c "(exit (string=? \"$USER\" (passwd:name (getpwuid (getuid)))))"
  65 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  66      -- guile -c '(exit (string? (group:name (getgrgid (getgid)))))'
  67 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  68      -- guile -c '(use-modules (srfi srfi-1))
  69                   (exit (every group:name
  70                                (map getgrgid (vector->list (getgroups)))))'
  71
  72 # Make sure file-not-found errors in mounts are reported.
  73 if guix environment --container --ad-hoc --bootstrap guile-bootstrap \
  74         --expose=/does-not-exist -- guile -c 1 2> "$tmpdir/error"
  75 then
  76     false
  77 else
  78     grep "/does-not-exist" "$tmpdir/error"
  79     grep "[Nn]o such file" "$tmpdir/error"
  80 fi
  81
  82 # Make sure that the right directories are mapped.
  83 mount_test_code="
  84 (use-modules (ice-9 rdelim)
  85              (ice-9 match)
  86              (srfi srfi-1))
  87
  88 (define mappings
  89   (filter-map (lambda (line)
  90                 (match (string-split line #\space)
  91                   ;; Empty line.
  92                   ((\"\") #f)
  93                   ;; Ignore the root file system.
  94                   ((_ \"/\" _ _ _ _)
  95                    #f)
  96                   ;; Ignore these types of file systems, except if they
  97                   ;; correspond to a parent file system.
  98                   ((_ mount (or \"tmpfs\" \"proc\" \"sysfs\" \"devtmpfs\"
  99                                 \"devpts\" \"cgroup\" \"mqueue\") _ _ _)
 100                    (and (string-prefix? (getcwd) mount)
 101                         mount))
 102                   ((_ mount _ _ _ _)
 103                    mount)))
 104               (string-split (call-with-input-file \"/proc/mounts\" read-string)
 105                             #\newline)))
 106
 107 (for-each (lambda (mount)
 108             (display mount)
 109             (newline))
 110           mappings)"
 111
 112 guix environment --container --ad-hoc --bootstrap guile-bootstrap \
 113      -- guile -c "$mount_test_code" > $tmpdir/mounts
 114
 115 cat "$tmpdir/mounts"
 116 test `wc -l < $tmpdir/mounts` -eq 4
 117
 118 current_dir="`cd $PWD; pwd -P`"
 119 grep -e "$current_dir$" $tmpdir/mounts # current directory
 120 grep $(guix build guile-bootstrap) $tmpdir/mounts
 121 grep -e "$NIX_STORE_DIR/.*-bash" $tmpdir/mounts # bootstrap bash
 122
 123 rm $tmpdir/mounts
 124
 125 # Make sure 'GUIX_ENVIRONMENT' is linked to '~/.guix-profile' when requested
 126 # within a container.
 127 (
 128   linktest='(exit (string=? (getenv "GUIX_ENVIRONMENT")
 129 (readlink (string-append (getenv "HOME") "/.guix-profile"))))'
 130
 131   cd "$tmpdir" \
 132      && guix environment --bootstrap --container --link-profile \
 133              --ad-hoc guile-bootstrap --pure \
 134              -- guile -c "$linktest"
 135 )
 136
 137 # Test that user can be mocked.
 138 usertest='(exit (and (string=? (getenv "HOME") "/home/foognu")
 139                      (string=? (passwd:name (getpwuid 1000)) "foognu")
 140                      (file-exists? "/home/foognu/umock")))'
 141 touch "$tmpdir/umock"
 142 HOME="$tmpdir" guix environment --bootstrap --container --user=foognu \
 143      --ad-hoc guile-bootstrap --pure \
 144      --share="$tmpdir/umock" \
 145      -- guile -c "$usertest"
 146
 147
 148 # Check the exit code.
 149
 150 abnormal_exit_code="
 151 (use-modules (system foreign))
 152 ;; Purposely make Guile crash with a segfault. :)
 153 (pointer->string (make-pointer 123) 123)"
 154
 155 if guix environment --bootstrap --container \
 156         --ad-hoc guile-bootstrap -- guile -c "$abnormal_exit_code"
 157 then false;
 158 else
 159     test $? -gt 127
 160 fi