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 $? = 42
  45 fi
  46
  47 # Make sure '--preserve' is honored.
  48 result="`FOOBAR=42; export FOOBAR; guix environment -C --ad-hoc --bootstrap \
  49    guile-bootstrap -E ^FOO -- guile -c '(display (getenv \"FOOBAR\"))'`"
  50 test "$result" = "42"
  51
  52 # By default, the UID inside the container should be the same as outside.
  53 uid="`id -u`"
  54 inner_uid="`guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  55   -- guile -c '(display (getuid))'`"
  56 test $inner_uid = $uid
  57
  58 # When '--user' is passed, the UID should be 1000.  (Note: Use a separate HOME
  59 # so that we don't run into problems when the test directory is under /home.)
  60 export tmpdir
  61 inner_uid="`HOME=$tmpdir guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  62   --user=gnu-guix -- guile -c '(display (getuid))'`"
  63 test $inner_uid = 1000
  64
  65 if test "x$USER" = "x"; then USER="`id -un`"; fi
  66
  67 # Check whether /etc/passwd and /etc/group are valid.
  68 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  69      -- guile -c "(exit (string=? \"$USER\" (passwd:name (getpwuid (getuid)))))"
  70 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  71      -- guile -c '(exit (string? (group:name (getgrgid (getgid)))))'
  72 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  73      -- guile -c '(use-modules (srfi srfi-1))
  74                   (exit (every group:name
  75                                (map getgrgid (vector->list (getgroups)))))'
  76
  77 # Make sure file-not-found errors in mounts are reported.
  78 if guix environment --container --ad-hoc --bootstrap guile-bootstrap \
  79         --expose=/does-not-exist -- guile -c 1 2> "$tmpdir/error"
  80 then
  81     false
  82 else
  83     grep "/does-not-exist" "$tmpdir/error"
  84     grep "[Nn]o such file" "$tmpdir/error"
  85 fi
  86
  87 # Make sure that the right directories are mapped.
  88 mount_test_code="
  89 (use-modules (ice-9 rdelim)
  90              (ice-9 match)
  91              (srfi srfi-1))
  92
  93 (define mappings
  94   (filter-map (lambda (line)
  95                 (match (string-split line #\space)
  96                   ;; Empty line.
  97                   ((\"\") #f)
  98                   ;; Ignore the root file system.
  99                   ((_ \"/\" _ _ _ _)
 100                    #f)
 101                   ;; Ignore these types of file systems, except if they
 102                   ;; correspond to a parent file system.
 103                   ((_ mount (or \"tmpfs\" \"proc\" \"sysfs\" \"devtmpfs\"
 104                                 \"devpts\" \"cgroup\" \"mqueue\") _ _ _)
 105                    (and (string-prefix? (getcwd) mount)
 106                         mount))
 107                   ((_ mount _ _ _ _)
 108                    mount)))
 109               (string-split (call-with-input-file \"/proc/mounts\" read-string)
 110                             #\newline)))
 111
 112 (for-each (lambda (mount)
 113             (display mount)
 114             (newline))
 115           mappings)"
 116
 117 guix environment --container --ad-hoc --bootstrap guile-bootstrap \
 118      -- guile -c "$mount_test_code" > $tmpdir/mounts
 119
 120 cat "$tmpdir/mounts"
 121 test `wc -l < $tmpdir/mounts` -eq 4
 122
 123 current_dir="`cd $PWD; pwd -P`"
 124 grep -e "$current_dir$" $tmpdir/mounts # current directory
 125 grep $(guix build guile-bootstrap) $tmpdir/mounts
 126 grep -e "$NIX_STORE_DIR/.*-bash" $tmpdir/mounts # bootstrap bash
 127
 128 rm $tmpdir/mounts
 129
 130 # Make sure 'GUIX_ENVIRONMENT' is linked to '~/.guix-profile' when requested
 131 # within a container.
 132 (
 133   linktest='(exit (string=? (getenv "GUIX_ENVIRONMENT")
 134 (readlink (string-append (getenv "HOME") "/.guix-profile"))))'
 135
 136   cd "$tmpdir" \
 137      && guix environment --bootstrap --container --link-profile \
 138              --ad-hoc guile-bootstrap --pure \
 139              -- guile -c "$linktest"
 140 )
 141
 142 # Test that user can be mocked.
 143 usertest='(exit (and (string=? (getenv "HOME") "/home/foognu")
 144                      (string=? (passwd:name (getpwuid 1000)) "foognu")
 145                      (file-exists? "/home/foognu/umock")))'
 146 touch "$tmpdir/umock"
 147 HOME="$tmpdir" guix environment --bootstrap --container --user=foognu \
 148      --ad-hoc guile-bootstrap --pure \
 149      --share="$tmpdir/umock" \
 150      -- guile -c "$usertest"
 151
 152 # if not sharing CWD, chdir home
 153 (
 154   cd "$tmpdir" \
 155     && guix environment --bootstrap --container --no-cwd --user=foo  \
 156             --ad-hoc guile-bootstrap --pure \
 157             -- /bin/sh -c 'test $(pwd) == "/home/foo" -a ! -d '"$tmpdir"
 158 )
 159
 160 # Check the exit code.
 161
 162 abnormal_exit_code="
 163 (use-modules (system foreign))
 164 ;; Purposely make Guile crash with a segfault. :)
 165 (pointer->string (make-pointer 123) 123)"
 166
 167 if guix environment --bootstrap --container \
 168         --ad-hoc guile-bootstrap -- guile -c "$abnormal_exit_code"
 169 then false;
 170 else
 171     test $? -gt 127
 172 fi