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 $? = 42
  45 fi
  46
  47 # Make sure "localhost" resolves.
  48 guix environment --container --ad-hoc --bootstrap guile-bootstrap \
  49      -- guile -c '(exit (pair? (getaddrinfo "localhost" "80")))'
  50
  51 # Make sure '--preserve' is honored.
  52 result="`FOOBAR=42; export FOOBAR; guix environment -C --ad-hoc --bootstrap \
  53    guile-bootstrap -E ^FOO -- guile -c '(display (getenv \"FOOBAR\"))'`"
  54 test "$result" = "42"
  55
  56 # By default, the UID inside the container should be the same as outside.
  57 uid="`id -u`"
  58 inner_uid="`guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  59   -- guile -c '(display (getuid))'`"
  60 test $inner_uid = $uid
  61
  62 # When '--user' is passed, the UID should be 1000.  (Note: Use a separate HOME
  63 # so that we don't run into problems when the test directory is under /home.)
  64 export tmpdir
  65 inner_uid="`HOME=$tmpdir guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  66   --user=gnu-guix -- guile -c '(display (getuid))'`"
  67 test $inner_uid = 1000
  68
  69 if test "x$USER" = "x"; then USER="`id -un`"; fi
  70
  71 # Check whether /etc/passwd and /etc/group are valid.
  72 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  73      -- guile -c "(exit (string=? \"$USER\" (passwd:name (getpwuid (getuid)))))"
  74 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  75      -- guile -c '(exit (string? (group:name (getgrgid (getgid)))))'
  76 guix environment -C --ad-hoc --bootstrap guile-bootstrap \
  77      -- guile -c '(use-modules (srfi srfi-1))
  78                   (exit (every group:name
  79                                (map getgrgid (vector->list (getgroups)))))'
  80
  81 # Make sure file-not-found errors in mounts are reported.
  82 if guix environment --container --ad-hoc --bootstrap guile-bootstrap \
  83         --expose=/does-not-exist -- guile -c 1 2> "$tmpdir/error"
  84 then
  85     false
  86 else
  87     grep "/does-not-exist" "$tmpdir/error"
  88     grep "[Nn]o such file" "$tmpdir/error"
  89 fi
  90
  91 # Make sure that the right directories are mapped.
  92 mount_test_code="
  93 (use-modules (ice-9 rdelim)
  94              (ice-9 match)
  95              (srfi srfi-1))
  96
  97 (define mappings
  98   (filter-map (lambda (line)
  99                 (match (string-split line #\space)
 100                   ;; Empty line.
 101                   ((\"\") #f)
 102                   ;; Ignore the root file system.
 103                   ((_ \"/\" _ _ _ _)
 104                    #f)
 105                   ;; Ignore these types of file systems, except if they
 106                   ;; correspond to a parent file system.
 107                   ((_ mount (or \"tmpfs\" \"proc\" \"sysfs\" \"devtmpfs\"
 108                                 \"devpts\" \"cgroup\" \"mqueue\") _ _ _)
 109                    (and (string-prefix? (getcwd) mount)
 110                         mount))
 111                   ((_ mount _ _ _ _)
 112                    mount)))
 113               (string-split (call-with-input-file \"/proc/mounts\" read-string)
 114                             #\newline)))
 115
 116 (for-each (lambda (mount)
 117             (display mount)
 118             (newline))
 119           mappings)"
 120
 121 guix environment --container --ad-hoc --bootstrap guile-bootstrap \
 122      -- guile -c "$mount_test_code" > $tmpdir/mounts
 123
 124 cat "$tmpdir/mounts"
 125 test `wc -l < $tmpdir/mounts` -eq 4
 126
 127 current_dir="`cd $PWD; pwd -P`"
 128 grep -e "$current_dir$" $tmpdir/mounts # current directory
 129 grep $(guix build guile-bootstrap) $tmpdir/mounts
 130 grep -e "$NIX_STORE_DIR/.*-bash" $tmpdir/mounts # bootstrap bash
 131
 132 rm $tmpdir/mounts
 133
 134 # Make sure 'GUIX_ENVIRONMENT' is set to '~/.guix-profile' when requested
 135 # within a container.
 136 (
 137   linktest='
 138 (exit (and (string=? (getenv "GUIX_ENVIRONMENT")
 139                      (string-append (getenv "HOME") "/.guix-profile"))
 140            (string-prefix? "'"$NIX_STORE_DIR"'"
 141                            (readlink (string-append (getenv "HOME")
 142                                                     "/.guix-profile")))))'
 143
 144   cd "$tmpdir" \
 145      && guix environment --bootstrap --container --link-profile \
 146              --ad-hoc guile-bootstrap --pure \
 147              -- guile -c "$linktest"
 148 )
 149
 150 # Test that user can be mocked.
 151 usertest='(exit (and (string=? (getenv "HOME") "/home/foognu")
 152                      (string=? (passwd:name (getpwuid 1000)) "foognu")
 153                      (file-exists? "/home/foognu/umock")))'
 154 touch "$tmpdir/umock"
 155 HOME="$tmpdir" guix environment --bootstrap --container --user=foognu \
 156      --ad-hoc guile-bootstrap --pure \
 157      --share="$tmpdir/umock" \
 158      -- guile -c "$usertest"
 159
 160 # if not sharing CWD, chdir home
 161 (
 162   cd "$tmpdir" \
 163     && guix environment --bootstrap --container --no-cwd --user=foo  \
 164             --ad-hoc guile-bootstrap --pure \
 165             -- /bin/sh -c 'test $(pwd) == "/home/foo" -a ! -d '"$tmpdir"
 166 )
 167
 168 # Check the exit code.
 169
 170 abnormal_exit_code="
 171 (use-modules (system foreign))
 172 ;; Purposely make Guile crash with a segfault. :)
 173 (pointer->string (make-pointer 123) 123)"
 174
 175 if guix environment --bootstrap --container \
 176         --ad-hoc guile-bootstrap -- guile -c "$abnormal_exit_code"
 177 then false;
 178 else
 179     test $? -gt 127
 180 fi