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 _supported_os Linux
  43
  44 test_ssh=$($QEMU_IMG --help | grep '^Supported formats:.* ssh\( \|$\)')
  45 [ "$test_ssh" = "" ] && _notrun "ssh support required"
  46
  47 echo
  48 echo '=== NBD ==='
  49 # NBD expects all of its arguments to be strings
  50
  51 # So this should not crash
  52 $QEMU_IMG info 'json:{"driver": "nbd", "host": 42}'
  53
  54 # And this should not treat @port as if it had not been specified
  55 # (We need to set up a server here, because the error message for "Connection
  56 #  refused" does not contain the destination port)
  57
  58 # Launching qemu-nbd is done in a loop: We try to set up an NBD server on some
  59 # random port and continue until success, i.e. until we have found a port that
  60 # is not in use yet.
  61 while true; do
  62     port=$((RANDOM + 32768))
  63     if $QEMU_NBD -p $port -f raw --fork null-co:// 2> /dev/null; then
  64         break
  65     fi
  66 done
  67
  68 $QEMU_IMG info "json:{'driver': 'nbd', 'host': 'localhost', 'port': $port}" \
  69     | grep '^image' | sed -e "s/$port/PORT/"
  70
  71 # This is a test for NBD's bdrv_refresh_filename() implementation: It expects
  72 # either host or path to be set, but it must not assume that they are set to
  73 # strings in the options QDict
  74 $QEMU_NBD -k "$PWD/42" -f raw --fork null-co://
  75 $QEMU_IMG info 'json:{"driver": "nbd", "path": 42}' | grep '^image'
  76 rm -f 42
  77
  78
  79 echo
  80 echo '=== SSH ==='
  81 # SSH expects all of its arguments to be strings, except for @port, which is
  82 # expected to be an integer
  83
  84 # So "0" should be converted to an integer here (instead of crashing)
  85 $QEMU_IMG info 'json:{"driver": "ssh", "host": "localhost", "port": "0", "path": "/foo"}'
  86 # The same, basically (all values for --image-opts are seen as strings in qemu)
  87 $QEMU_IMG info --image-opts \
  88     driver=ssh,host=localhost,port=0,path=/foo
  89
  90 # This, however, should fail because of the wrong type
  91 $QEMU_IMG info 'json:{"driver": "ssh", "host": "localhost", "port": 0.42, "path": "/foo"}'
  92 # Not really the same: Here, "0.42" will be passed instead of 0.42, but still,
  93 # qemu should not try to convert "0.42" to an integer
  94 $QEMU_IMG info --image-opts \
  95     driver=ssh,host=localhost,port=0.42,path=/foo
  96
  97
  98 echo
  99 echo '=== blkdebug ==='
 100 # blkdebug expects all of its arguments to be strings, but its
 101 # bdrv_refresh_filename() implementation should not assume that they have been
 102 # passed as strings in the original options QDict.
 103 # So this should emit blkdebug:42:null-co:// as the filename:
 104 touch 42
 105 $QEMU_IMG info 'json:{"driver": "blkdebug", "config": 42,
 106                       "image.driver": "null-co"}' \
 107     | grep '^image'
 108 rm -f 42
 109
 110
 111 # success, all done
 112 echo
 113 echo '*** done'
 114 rm -f $seq.full
 115 status=0