qemu-iotests: Test auto-read-only with -drive and -blockdev

Signed-off-by: NKevin Wolf <kwolf@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>

tests/qemu-iotests/232

+#!/bin/bash
+#
+# Test for auto-read-only
+#
+# Copyright (C) 2018 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=kwolf@redhat.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+status=1	# failure is the default!
+
+_cleanup()
+{
+    _cleanup_test_img
+    rm -f $TEST_IMG.snap
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt generic
+_supported_proto file
+_supported_os Linux
+
+function do_run_qemu()
+{
+    echo Testing: "$@"
+    (
+        if ! test -t 0; then
+            while read cmd; do
+                echo $cmd
+            done
+        fi
+        echo quit
+    ) | $QEMU -nographic -monitor stdio -nodefaults "$@"
+    echo
+}
+
+function run_qemu()
+{
+    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_hmp |
+        _filter_generated_node_ids | _filter_imgfmt
+}
+
+function run_qemu_info_block()
+{
+    echo "info block -n" | run_qemu "$@" | grep -e "(file" -e "QEMU_PROG"
+}
+
+size=128M
+
+_make_test_img $size
+
+echo
+echo "=== -drive with read-write image: read-only/auto-read-only combinations ==="
+echo
+
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on,auto-read-only=off
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on,auto-read-only=on
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on
+echo
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off,auto-read-only=off
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off,auto-read-only=on
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off
+echo
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,auto-read-only=off
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,auto-read-only=on
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none
+
+echo
+echo "=== -drive with read-only image: read-only/auto-read-only combinations ==="
+echo
+
+chmod a-w $TEST_IMG
+
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on,auto-read-only=off
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on,auto-read-only=on
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=on
+echo
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off,auto-read-only=off
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off,auto-read-only=on
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,read-only=off
+echo
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,auto-read-only=off
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none,auto-read-only=on
+run_qemu_info_block -drive driver=file,file="$TEST_IMG",if=none
+
+echo
+echo "=== -blockdev with read-write image: read-only/auto-read-only combinations ==="
+echo
+
+chmod a+w $TEST_IMG
+
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=on,auto-read-only=off
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=on,auto-read-only=on
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=on
+echo
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=off,auto-read-only=off
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=off,auto-read-only=on
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=off
+echo
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,auto-read-only=off
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,auto-read-only=on
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0
+
+echo
+echo "=== -blockdev with read-only image: read-only/auto-read-only combinations ==="
+echo
+
+chmod a-w $TEST_IMG
+
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=on,auto-read-only=off
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=on,auto-read-only=on
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=on
+echo
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=off,auto-read-only=off
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=off,auto-read-only=on
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,read-only=off
+echo
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,auto-read-only=off
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0,auto-read-only=on
+run_qemu_info_block -blockdev driver=file,filename="$TEST_IMG",node-name=node0
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0

tests/qemu-iotests/232.out

+QA output created by 232
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+
+=== -drive with read-write image: read-only/auto-read-only combinations ===
+
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+
+NODE_NAME: TEST_DIR/t.IMGFMT (file)
+NODE_NAME: TEST_DIR/t.IMGFMT (file)
+NODE_NAME: TEST_DIR/t.IMGFMT (file)
+
+NODE_NAME: TEST_DIR/t.IMGFMT (file)
+NODE_NAME: TEST_DIR/t.IMGFMT (file)
+NODE_NAME: TEST_DIR/t.IMGFMT (file)
+
+=== -drive with read-only image: read-only/auto-read-only combinations ===
+
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+
+QEMU_PROG: -drive driver=file,file=TEST_DIR/t.IMGFMT,if=none,read-only=off,auto-read-only=off: Could not open 'TEST_DIR/t.IMGFMT': Permission denied
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+
+QEMU_PROG: -drive driver=file,file=TEST_DIR/t.IMGFMT,if=none,auto-read-only=off: Could not open 'TEST_DIR/t.IMGFMT': Permission denied
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
+
+=== -blockdev with read-write image: read-only/auto-read-only combinations ===
+
+node0: TEST_DIR/t.IMGFMT (file, read-only)
+node0: TEST_DIR/t.IMGFMT (file, read-only)
+node0: TEST_DIR/t.IMGFMT (file, read-only)
+
+node0: TEST_DIR/t.IMGFMT (file)
+node0: TEST_DIR/t.IMGFMT (file)
+node0: TEST_DIR/t.IMGFMT (file)
+
+node0: TEST_DIR/t.IMGFMT (file)
+node0: TEST_DIR/t.IMGFMT (file)
+node0: TEST_DIR/t.IMGFMT (file)
+
+=== -blockdev with read-only image: read-only/auto-read-only combinations ===
+
+node0: TEST_DIR/t.IMGFMT (file, read-only)
+node0: TEST_DIR/t.IMGFMT (file, read-only)
+node0: TEST_DIR/t.IMGFMT (file, read-only)
+
+QEMU_PROG: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=node0,read-only=off,auto-read-only=off: Could not open 'TEST_DIR/t.IMGFMT': Permission denied
+node0: TEST_DIR/t.IMGFMT (file, read-only)
+QEMU_PROG: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=node0,read-only=off: Could not open 'TEST_DIR/t.IMGFMT': Permission denied
+
+QEMU_PROG: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=node0,auto-read-only=off: Could not open 'TEST_DIR/t.IMGFMT': Permission denied
+node0: TEST_DIR/t.IMGFMT (file, read-only)
+QEMU_PROG: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=node0: Could not open 'TEST_DIR/t.IMGFMT': Permission denied
+*** done

tests/qemu-iotests/group

@@ -227,3 +227,4 @@
 227 auto quick
 229 auto quick
 231 auto quick
+232 auto quick