diff options
Diffstat (limited to 'tests/qemu-iotests/141')
| -rwxr-xr-x | tests/qemu-iotests/141 | 307 |
1 files changed, 131 insertions, 176 deletions
diff --git a/tests/qemu-iotests/141 b/tests/qemu-iotests/141 index a37030e..a7d3985 100755 --- a/tests/qemu-iotests/141 +++ b/tests/qemu-iotests/141 @@ -1,9 +1,12 @@ -#!/usr/bin/env bash +#!/usr/bin/env python3 # group: rw auto quick # # Test case for ejecting BDSs with block jobs still running on them # -# Copyright (C) 2016 Red Hat, Inc. +# Originally written in bash by Hanna Czenczek, ported to Python by Stefan +# Hajnoczi. +# +# Copyright Red Hat # # 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 @@ -19,177 +22,129 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. # -# creator -owner=hreitz@redhat.com - -seq="$(basename $0)" -echo "QA output created by $seq" - -status=1 # failure is the default! - -_cleanup() -{ - _cleanup_qemu - _cleanup_test_img - for img in "$TEST_DIR"/{b,m,o}.$IMGFMT; do - _rm_test_img "$img" - done -} -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 -_supported_os Linux - - -test_blockjob() -{ - _send_qemu_cmd $QEMU_HANDLE \ - "{'execute': 'blockdev-add', - 'arguments': { - 'node-name': 'drv0', - 'driver': '$IMGFMT', - 'file': { - 'driver': 'file', - 'filename': '$TEST_IMG' - }}}" \ - 'return' - - # If "$2" is an event, we may or may not see it before the - # {"return": {}}. Therefore, filter the {"return": {}} out both - # here and in the next command. (Naturally, if we do not see it - # here, we will see it before the next command can be executed, - # so it will appear in the next _send_qemu_cmd's output.) - _send_qemu_cmd $QEMU_HANDLE \ - "$1" \ - "$2" \ - | _filter_img_create | _filter_qmp_empty_return - - # We want this to return an error because the block job is still running - _send_qemu_cmd $QEMU_HANDLE \ - "{'execute': 'blockdev-del', - 'arguments': {'node-name': 'drv0'}}" \ - 'error' | _filter_generated_node_ids | _filter_qmp_empty_return - - _send_qemu_cmd $QEMU_HANDLE \ - "{'execute': 'block-job-cancel', - 'arguments': {'device': 'job0'}}" \ - "$3" - - _send_qemu_cmd $QEMU_HANDLE \ - "{'execute': 'blockdev-del', - 'arguments': {'node-name': 'drv0'}}" \ - 'return' -} - - -TEST_IMG="$TEST_DIR/b.$IMGFMT" _make_test_img 1M -TEST_IMG="$TEST_DIR/m.$IMGFMT" _make_test_img -b "$TEST_DIR/b.$IMGFMT" -F $IMGFMT 1M -_make_test_img -b "$TEST_DIR/m.$IMGFMT" 1M -F $IMGFMT - -_launch_qemu -nodefaults - -_send_qemu_cmd $QEMU_HANDLE \ - "{'execute': 'qmp_capabilities'}" \ - 'return' - -echo -echo '=== Testing drive-backup ===' -echo - -# drive-backup will not send BLOCK_JOB_READY by itself, and cancelling the job -# will consequently result in BLOCK_JOB_CANCELLED being emitted. - -test_blockjob \ - "{'execute': 'drive-backup', - 'arguments': {'job-id': 'job0', - 'device': 'drv0', - 'target': '$TEST_DIR/o.$IMGFMT', - 'format': '$IMGFMT', - 'sync': 'none'}}" \ - 'return' \ - '"status": "null"' - -echo -echo '=== Testing drive-mirror ===' -echo - -# drive-mirror will send BLOCK_JOB_READY basically immediately, and cancelling -# the job will consequently result in BLOCK_JOB_COMPLETED being emitted. - -test_blockjob \ - "{'execute': 'drive-mirror', - 'arguments': {'job-id': 'job0', - 'device': 'drv0', - 'target': '$TEST_DIR/o.$IMGFMT', - 'format': '$IMGFMT', - 'sync': 'none'}}" \ - 'BLOCK_JOB_READY' \ - '"status": "null"' - -echo -echo '=== Testing active block-commit ===' -echo - -# An active block-commit will send BLOCK_JOB_READY basically immediately, and -# cancelling the job will consequently result in BLOCK_JOB_COMPLETED being -# emitted. - -test_blockjob \ - "{'execute': 'block-commit', - 'arguments': {'job-id': 'job0', 'device': 'drv0'}}" \ - 'BLOCK_JOB_READY' \ - '"status": "null"' - -echo -echo '=== Testing non-active block-commit ===' -echo - -# Give block-commit something to work on, otherwise it would be done -# immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would work just -# fine without the block job still running. - -$QEMU_IO -c 'write 0 1M' "$TEST_DIR/m.$IMGFMT" | _filter_qemu_io - -test_blockjob \ - "{'execute': 'block-commit', - 'arguments': {'job-id': 'job0', - 'device': 'drv0', - 'top': '$TEST_DIR/m.$IMGFMT', - 'speed': 1}}" \ - 'return' \ - '"status": "null"' - -echo -echo '=== Testing block-stream ===' -echo - -# Give block-stream something to work on, otherwise it would be done -# immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would work just -# fine without the block job still running. - -$QEMU_IO -c 'write 0 1M' "$TEST_DIR/b.$IMGFMT" | _filter_qemu_io - -# With some data to stream (and @speed set to 1), block-stream will not complete -# until we send the block-job-cancel command. - -test_blockjob \ - "{'execute': 'block-stream', - 'arguments': {'job-id': 'job0', - 'device': 'drv0', - 'speed': 1}}" \ - 'return' \ - '"status": "null"' - -_cleanup_qemu - -# success, all done -echo "*** done" -rm -f $seq.full -status=0 +import iotests + +# Common filters to mask values that vary in the test output +QMP_FILTERS = [iotests.filter_qmp_testfiles, \ + iotests.filter_qmp_imgfmt] + + +class TestCase: + def __init__(self, name, vm, image_path, cancel_event): + self.name = name + self.vm = vm + self.image_path = image_path + self.cancel_event = cancel_event + + def __enter__(self): + iotests.log(f'=== Testing {self.name} ===') + self.vm.qmp_log('blockdev-add', \ + node_name='drv0', \ + driver=iotests.imgfmt, \ + file={'driver': 'file', 'filename': self.image_path}, \ + filters=QMP_FILTERS) + + def __exit__(self, *exc_details): + # This is expected to fail because the job still exists + self.vm.qmp_log('blockdev-del', node_name='drv0', \ + filters=[iotests.filter_qmp_generated_node_ids]) + + self.vm.qmp_log('block-job-cancel', device='job0') + event = self.vm.event_wait(self.cancel_event) + iotests.log(event, filters=[iotests.filter_qmp_event]) + + # This time it succeeds + self.vm.qmp_log('blockdev-del', node_name='drv0') + + # Separate test cases in output + iotests.log('') + + +def main() -> None: + with iotests.FilePath('bottom', 'middle', 'top', 'target') as \ + (bottom_path, middle_path, top_path, target_path), \ + iotests.VM() as vm: + + iotests.log('Creating bottom <- middle <- top backing file chain...') + IMAGE_SIZE='1M' + iotests.qemu_img_create('-f', iotests.imgfmt, bottom_path, IMAGE_SIZE) + iotests.qemu_img_create('-f', iotests.imgfmt, \ + '-F', iotests.imgfmt, \ + '-b', bottom_path, \ + middle_path, \ + IMAGE_SIZE) + iotests.qemu_img_create('-f', iotests.imgfmt, \ + '-F', iotests.imgfmt, \ + '-b', middle_path, \ + top_path, \ + IMAGE_SIZE) + + iotests.log('Starting VM...') + vm.add_args('-nodefaults') + vm.launch() + + # drive-backup will not send BLOCK_JOB_READY by itself, and cancelling + # the job will consequently result in BLOCK_JOB_CANCELLED being + # emitted. + with TestCase('drive-backup', vm, top_path, 'BLOCK_JOB_CANCELLED'): + vm.qmp_log('drive-backup', \ + job_id='job0', \ + device='drv0', \ + target=target_path, \ + format=iotests.imgfmt, \ + sync='none', \ + filters=QMP_FILTERS) + + # drive-mirror will send BLOCK_JOB_READY basically immediately, and + # cancelling the job will consequently result in BLOCK_JOB_COMPLETED + # being emitted. + with TestCase('drive-mirror', vm, top_path, 'BLOCK_JOB_COMPLETED'): + vm.qmp_log('drive-mirror', \ + job_id='job0', \ + device='drv0', \ + target=target_path, \ + format=iotests.imgfmt, \ + sync='none', \ + filters=QMP_FILTERS) + event = vm.event_wait('BLOCK_JOB_READY') + assert event is not None # silence mypy + iotests.log(event, filters=[iotests.filter_qmp_event]) + + # An active block-commit will send BLOCK_JOB_READY basically + # immediately, and cancelling the job will consequently result in + # BLOCK_JOB_COMPLETED being emitted. + with TestCase('active block-commit', vm, top_path, \ + 'BLOCK_JOB_COMPLETED'): + vm.qmp_log('block-commit', \ + job_id='job0', \ + device='drv0') + event = vm.event_wait('BLOCK_JOB_READY') + assert event is not None # silence mypy + iotests.log(event, filters=[iotests.filter_qmp_event]) + + # Give block-commit something to work on, otherwise it would be done + # immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would + # work just fine without the block job still running. + iotests.qemu_io(middle_path, '-c', f'write 0 {IMAGE_SIZE}') + with TestCase('non-active block-commit', vm, top_path, \ + 'BLOCK_JOB_CANCELLED'): + vm.qmp_log('block-commit', \ + job_id='job0', \ + device='drv0', \ + top=middle_path, \ + speed=1, \ + filters=[iotests.filter_qmp_testfiles]) + + # Give block-stream something to work on, otherwise it would be done + # immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would + # work just fine without the block job still running. + iotests.qemu_io(bottom_path, '-c', f'write 0 {IMAGE_SIZE}') + with TestCase('block-stream', vm, top_path, 'BLOCK_JOB_CANCELLED'): + vm.qmp_log('block-stream', \ + job_id='job0', \ + device='drv0', \ + speed=1) + +if __name__ == '__main__': + iotests.script_main(main, supported_fmts=['qcow2', 'qed'], + supported_protocols=['file']) |