tests/qemu-iotests/162

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