tests/qemu-iotests/153

   1 #!/bin/bash
   2 #
   3 # Test image locking
   4 #
   5 # Copyright 2016, 2017 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=famz@redhat.com
  23
  24 seq="$(basename $0)"
  25 echo "QA output created by $seq"
  26
  27 here="$PWD"
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33     _cleanup_test_img
  34     rm -f "${TEST_IMG}.base"
  35     rm -f "${TEST_IMG}.convert"
  36     rm -f "${TEST_IMG}.a"
  37     rm -f "${TEST_IMG}.b"
  38     rm -f "${TEST_IMG}.lnk"
  39 }
  40 trap "_cleanup; exit \$status" 0 1 2 3 15
  41
  42 # get standard environment, filters and checks
  43 . ./common.rc
  44 . ./common.filter
  45 . ./common.qemu
  46
  47 size=32M
  48
  49 _check_ofd()
  50 {
  51     _make_test_img $size >/dev/null
  52     if $QEMU_IMG_PROG info --image-opts "driver=file,locking=on,filename=$TEST_IMG" 2>&1 |
  53         grep -q 'falling back to POSIX file'; then
  54         return 1
  55     else
  56         return 0
  57     fi
  58 }
  59
  60 _check_ofd || _notrun "OFD lock not available"
  61
  62 _supported_fmt qcow2
  63 _supported_proto file
  64 _supported_os Linux
  65
  66 _run_cmd()
  67 {
  68     echo
  69     (echo "$@"; "$@" 2>&1 1>/dev/null) | _filter_testdir
  70 }
  71
  72 function _do_run_qemu()
  73 {
  74     (
  75         if ! test -t 0; then
  76             while read cmd; do
  77                 echo $cmd
  78             done
  79         fi
  80         echo quit
  81     ) | $QEMU -nographic -monitor stdio -serial none "$@" 1>/dev/null
  82 }
  83
  84 function _run_qemu_with_images()
  85 {
  86     _do_run_qemu \
  87         $(for i in $@; do echo "-drive if=none,file=$i"; done) 2>&1 \
  88         | _filter_testdir | _filter_qemu
  89 }
  90
  91 echo "== readonly=off,force-share=on should be rejected =="
  92 _run_qemu_with_images null-co://,readonly=off,force-share=on
  93
  94 for opts1 in "" "read-only=on" "read-only=on,force-share=on"; do
  95     echo
  96     echo "== Creating base image =="
  97     TEST_IMG="${TEST_IMG}.base" _make_test_img $size
  98
  99     echo
 100     echo "== Creating test image =="
 101     $QEMU_IMG create -f $IMGFMT "${TEST_IMG}" -b ${TEST_IMG}.base | _filter_img_create
 102
 103     echo
 104     echo "== Launching QEMU, opts: '$opts1' =="
 105     _launch_qemu -drive file="${TEST_IMG}",if=none,$opts1
 106     h=$QEMU_HANDLE
 107
 108     for opts2 in "" "read-only=on" "read-only=on,force-share=on"; do
 109         echo
 110         echo "== Launching another QEMU, opts: '$opts2' =="
 111         echo "quit" | \
 112             $QEMU -nographic -monitor stdio \
 113             -drive file="${TEST_IMG}",if=none,$opts2 2>&1 1>/dev/null | \
 114             _filter_testdir | _filter_qemu
 115     done
 116
 117     for L in "" "-U"; do
 118
 119         echo
 120         echo "== Running utility commands $L =="
 121         _run_cmd $QEMU_IO $L -c "read 0 512" "${TEST_IMG}"
 122         _run_cmd $QEMU_IO $L -r -c "read 0 512" "${TEST_IMG}"
 123         _run_cmd $QEMU_IO -c "open $L ${TEST_IMG}" -c "read 0 512"
 124         _run_cmd $QEMU_IO -c "open -r $L ${TEST_IMG}" -c "read 0 512"
 125         _run_cmd $QEMU_IMG info        $L "${TEST_IMG}"
 126         _run_cmd $QEMU_IMG check       $L "${TEST_IMG}"
 127         _run_cmd $QEMU_IMG compare     $L "${TEST_IMG}" "${TEST_IMG}"
 128         _run_cmd $QEMU_IMG map         $L "${TEST_IMG}"
 129         _run_cmd $QEMU_IMG amend -o "" $L "${TEST_IMG}"
 130         _run_cmd $QEMU_IMG commit      $L "${TEST_IMG}"
 131         _run_cmd $QEMU_IMG resize      $L "${TEST_IMG}" $size
 132         _run_cmd $QEMU_IMG rebase      $L "${TEST_IMG}" -b "${TEST_IMG}.base"
 133         _run_cmd $QEMU_IMG snapshot -l $L "${TEST_IMG}"
 134         _run_cmd $QEMU_IMG convert     $L "${TEST_IMG}" "${TEST_IMG}.convert"
 135         _run_cmd $QEMU_IMG dd          $L if="${TEST_IMG}" of="${TEST_IMG}.convert" bs=512 count=1
 136         _run_cmd $QEMU_IMG bench       $L -c 1 "${TEST_IMG}"
 137         _run_cmd $QEMU_IMG bench       $L -w -c 1 "${TEST_IMG}"
 138     done
 139     _send_qemu_cmd $h "{ 'execute': 'quit', }" ""
 140     echo
 141     echo "Round done"
 142     _cleanup_qemu
 143 done
 144
 145 for opt1 in $test_opts; do
 146     for opt2 in $test_opts; do
 147         echo
 148         echo "== Two devices with the same image ($opt1 - $opt2) =="
 149         _run_qemu_with_images "${TEST_IMG},$opt1" "${TEST_IMG},$opt2"
 150     done
 151 done
 152
 153 echo "== Creating ${TEST_IMG}.[abc] ==" | _filter_testdir
 154 (
 155     $QEMU_IMG create -f qcow2 "${TEST_IMG}.a" -b "${TEST_IMG}"
 156     $QEMU_IMG create -f qcow2 "${TEST_IMG}.b" -b "${TEST_IMG}"
 157     $QEMU_IMG create -f qcow2 "${TEST_IMG}.c" -b "${TEST_IMG}.b"
 158 ) | _filter_img_create
 159
 160 echo
 161 echo "== Two devices sharing the same file in backing chain =="
 162 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.b"
 163 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}.c"
 164
 165 echo
 166 echo "== Backing image also as an active device =="
 167 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG}"
 168
 169 echo
 170 echo "== Backing image also as an active device (ro) =="
 171 _run_qemu_with_images "${TEST_IMG}.a" "${TEST_IMG},readonly=on"
 172
 173 echo
 174 echo "== Symbolic link =="
 175 rm -f "${TEST_IMG}.lnk" &>/dev/null
 176 ln -s ${TEST_IMG} "${TEST_IMG}.lnk" || echo "Failed to create link"
 177 _run_qemu_with_images "${TEST_IMG}.lnk" "${TEST_IMG}"
 178
 179 echo
 180 echo "== Closing an image should unlock it =="
 181 _launch_qemu
 182
 183 _send_qemu_cmd $QEMU_HANDLE \
 184     "{ 'execute': 'qmp_capabilities' }" \
 185     'return'
 186
 187 echo "Adding drive"
 188 _send_qemu_cmd $QEMU_HANDLE \
 189     "{ 'execute': 'human-monitor-command',
 190        'arguments': { 'command-line': 'drive_add 0 if=none,id=d0,file=${TEST_IMG}' } }" \
 191     ""
 192
 193 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
 194
 195 echo "Closing drive"
 196 _send_qemu_cmd $QEMU_HANDLE \
 197     "{ 'execute': 'human-monitor-command',
 198        'arguments': { 'command-line': 'drive_del d0' } }" \
 199     ""
 200
 201 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
 202
 203 echo "Adding two and closing one"
 204 for d in d0 d1; do
 205     _send_qemu_cmd $QEMU_HANDLE \
 206         "{ 'execute': 'human-monitor-command',
 207            'arguments': { 'command-line': 'drive_add 0 if=none,id=$d,file=${TEST_IMG},readonly=on' } }" \
 208         ""
 209 done
 210
 211 _run_cmd $QEMU_IMG info "${TEST_IMG}"
 212
 213 _send_qemu_cmd $QEMU_HANDLE \
 214     "{ 'execute': 'human-monitor-command',
 215        'arguments': { 'command-line': 'drive_del d0' } }" \
 216     ""
 217
 218 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
 219
 220 echo "Closing the other"
 221 _send_qemu_cmd $QEMU_HANDLE \
 222     "{ 'execute': 'human-monitor-command',
 223        'arguments': { 'command-line': 'drive_del d1' } }" \
 224     ""
 225
 226 _run_cmd $QEMU_IO "${TEST_IMG}" -c 'write 0 512'
 227
 228 _cleanup_qemu
 229
 230 # success, all done
 231 echo "*** done"
 232 rm -f $seq.full
 233 status=0