tests/qemu-iotests/162

   1 #!/usr/bin/env bash
   2 #
   3 # Test case for specifying runtime options of the wrong type to some
   4 # block drivers
   5 #
   6 # Copyright (C) 2016 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=mreitz@redhat.com
  24
  25 seq="$(basename $0)"
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     rm -f "${TEST_DIR}/qemu-nbd.pid"
  33     rm -f 42
  34 }
  35 trap "_cleanup; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40
  41 _supported_fmt generic
  42
  43 test_ssh=$($QEMU_IMG --help | grep '^Supported formats:.* ssh\( \|$\)')
  44 [ "$test_ssh" = "" ] && _notrun "ssh support required"
  45
  46 echo
  47 echo '=== NBD ==='
  48 # NBD expects all of its arguments to be strings
  49
  50 # So this should not crash
  51 $QEMU_IMG info 'json:{"driver": "nbd", "host": 42}'
  52
  53 # And this should not treat @port as if it had not been specified
  54 # (We need to set up a server here, because the error message for "Connection
  55 #  refused" does not contain the destination port)
  56
  57 # Launching qemu-nbd is done in a loop: We try to set up an NBD server on some
  58 # random port and continue until success, i.e. until we have found a port that
  59 # is not in use yet.
  60 while true; do
  61     port=$((RANDOM + 32768))
  62     if $QEMU_NBD -p $port -f raw --fork null-co:// 2> /dev/null; then
  63         break
  64     fi
  65 done
  66
  67 $QEMU_IMG info "json:{'driver': 'nbd', 'host': 'localhost', 'port': $port}" \
  68     | grep '^image' | sed -e "s/$port/PORT/"
  69
  70 # This is a test for NBD's bdrv_refresh_filename() implementation: It expects
  71 # either host or path to be set, but it must not assume that they are set to
  72 # strings in the options QDict
  73 $QEMU_NBD -k "$PWD/42" -f raw --fork null-co://
  74 $QEMU_IMG info 'json:{"driver": "nbd", "path": 42}' | grep '^image'
  75 rm -f 42
  76
  77
  78 echo
  79 echo '=== SSH ==='
  80 # SSH expects all of its arguments to be strings, except for @port, which is
  81 # expected to be an integer
  82
  83 # So "0" should be converted to an integer here (instead of crashing)
  84 $QEMU_IMG info 'json:{"driver": "ssh", "host": "localhost", "port": "0", "path": "/foo"}'
  85 # The same, basically (all values for --image-opts are seen as strings in qemu)
  86 $QEMU_IMG info --image-opts \
  87     driver=ssh,host=localhost,port=0,path=/foo
  88
  89 # This, however, should fail because of the wrong type
  90 $QEMU_IMG info 'json:{"driver": "ssh", "host": "localhost", "port": 0.42, "path": "/foo"}'
  91 # Not really the same: Here, "0.42" will be passed instead of 0.42, but still,
  92 # qemu should not try to convert "0.42" to an integer
  93 $QEMU_IMG info --image-opts \
  94     driver=ssh,host=localhost,port=0.42,path=/foo
  95
  96
  97 echo
  98 echo '=== blkdebug ==='
  99 # blkdebug expects all of its arguments to be strings, but its
 100 # bdrv_refresh_filename() implementation should not assume that they have been
 101 # passed as strings in the original options QDict.
 102 # So this should emit blkdebug:42:null-co:// as the filename:
 103 touch 42
 104 $QEMU_IMG info 'json:{"driver": "blkdebug", "config": 42,
 105                       "image.driver": "null-co"}' \
 106     | grep '^image'
 107 rm -f 42
 108
 109
 110 # success, all done
 111 echo
 112 echo '*** done'
 113 rm -f $seq.full
 114 status=0