#!/usr/bin/env bash
#
# Test for force canceling a running blockjob that is paused in
# an error state.
#
# 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=jcody@redhat.com
seq="$(basename $0)"
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
_cleanup_qemu
_cleanup_test_img
_rm_test_img "$TEST_IMG"
_rm_test_img "$DEST_IMG"
rm -f "$TEST_DIR/blkdebug.conf"
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.qemu
# Needs backing file and backing format support
_supported_fmt qcow2 qed
_supported_proto file fuse
_supported_os Linux
# blkdebug can only inject errors on bs->file, so external data files
# do not work with this test
_unsupported_imgopts data_file
DEST_IMG="$TEST_IMG.dest"
BLKDEBUG_CONF="$TEST_DIR/blkdebug.conf"
_make_test_img 2M
TEST_IMG=$DEST_IMG _make_test_img 2M
$QEMU_IO -c 'write 0 2M' "$TEST_IMG" | _filter_qemu_io
_launch_qemu -drive id=testdisk,file="$TEST_IMG",format="$IMGFMT"
_send_qemu_cmd $QEMU_HANDLE \
"{'execute': 'qmp_capabilities'}" \
'return'
echo
echo '=== Starting drive-mirror, causing error & stop ==='
echo
cat > "$BLKDEBUG_CONF" <<EOF
[inject-error]
event = "write_aio"
errno = "5"
once = "on"
EOF
_send_qemu_cmd $QEMU_HANDLE \
"{'execute': 'drive-mirror',
'arguments': {'device': 'testdisk',
'format': '$IMGFMT',
'target': 'blkdebug:$BLKDEBUG_CONF:$DEST_IMG',
'sync': 'full',
'mode': 'existing',
'on-source-error': 'stop',
'on-target-error': 'stop' }}" \
"JOB_STATUS_CHANGE.*pause"
echo
echo '=== Force cancel job paused in error state ==='
echo
# Filter out BLOCK_JOB_ERROR events because they may or may not occur.
# Cancelling the job means resuming it for a bit before it is actually
# aborted, and in that time it may or may not re-encounter the error.
success_or_failure="y" _send_qemu_cmd $QEMU_HANDLE \
"{'execute': 'block-job-cancel',
'arguments': { 'device': 'testdisk',
'force': true}}" \
"BLOCK_JOB_CANCELLED" "Assertion" \
| grep -v '"BLOCK_JOB_ERROR"' \
| _filter_block_job_offset
# success, all done
echo "*** done"
rm -f $seq.full
status=0
