tests: add test case for encrypted qcow2 read/write

Add a simple test case for qemu-iotests that covers read/write
with encrypted qcow2 files.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

tests/qemu-iotests/134

+#!/bin/bash
+#
+# Test encrypted read/write using plain bdrv_read/bdrv_write
+#
+# Copyright (C) 2015 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=berrange@redhat.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1	# failure is the default!
+
+_cleanup()
+{
+	_cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt qcow2
+_supported_proto generic
+_supported_os Linux
+
+
+size=128M
+IMGOPTS="encryption=on" _make_test_img $size
+
+echo
+echo "== reading whole image =="
+echo "astrochicken" | $QEMU_IO -c "read 0 $size" "$TEST_IMG" | _filter_qemu_io | _filter_testdir
+
+echo
+echo "== rewriting whole image =="
+echo "astrochicken" | $QEMU_IO -c "write -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io | _filter_testdir
+
+echo
+echo "== verify pattern =="
+echo "astrochicken" | $QEMU_IO -c "read -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io | _filter_testdir
+
+echo
+echo "== verify pattern failure with wrong password =="
+echo "platypus" | $QEMU_IO -c "read -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io | _filter_testdir
+
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0

tests/qemu-iotests/134.out

+QA output created by 134
+qemu-img: Encrypted images are deprecated
+Support for them will be removed in a future release.
+You can use 'qemu-img convert' to convert your image to an unencrypted one.
+qemu-img: Encrypted images are deprecated
+Support for them will be removed in a future release.
+You can use 'qemu-img convert' to convert your image to an unencrypted one.
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 encryption=on
+
+== reading whole image ==
+Encrypted images are deprecated
+Support for them will be removed in a future release.
+You can use 'qemu-img convert' to convert your image to an unencrypted one.
+Disk image 'TEST_DIR/t.qcow2' is encrypted.
+password:
+read 134217728/134217728 bytes at offset 0
+128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+== rewriting whole image ==
+Encrypted images are deprecated
+Support for them will be removed in a future release.
+You can use 'qemu-img convert' to convert your image to an unencrypted one.
+Disk image 'TEST_DIR/t.qcow2' is encrypted.
+password:
+wrote 134217728/134217728 bytes at offset 0
+128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+== verify pattern ==
+Encrypted images are deprecated
+Support for them will be removed in a future release.
+You can use 'qemu-img convert' to convert your image to an unencrypted one.
+Disk image 'TEST_DIR/t.qcow2' is encrypted.
+password:
+read 134217728/134217728 bytes at offset 0
+128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+== verify pattern failure with wrong password ==
+Encrypted images are deprecated
+Support for them will be removed in a future release.
+You can use 'qemu-img convert' to convert your image to an unencrypted one.
+Disk image 'TEST_DIR/t.qcow2' is encrypted.
+password:
+Pattern verification failed at offset 0, 134217728 bytes
+read 134217728/134217728 bytes at offset 0
+128 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+*** done

tests/qemu-iotests/group

@@ -129,3 +129,4 @@
 129 rw auto quick
 130 rw auto quick
 131 rw auto quick
+134 rw auto quick