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Diffstat (limited to 'tests/qemu-iotests/222')
| -rwxr-xr-x | tests/qemu-iotests/222 | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/tests/qemu-iotests/222 b/tests/qemu-iotests/222 deleted file mode 100755 index b48afe623e..0000000000 --- a/tests/qemu-iotests/222 +++ /dev/null @@ -1,159 +0,0 @@ -#!/usr/bin/env python3 -# group: rw quick -# -# This test covers the basic fleecing workflow, which provides a -# point-in-time snapshot of a node that can be queried over NBD. -# -# Copyright (C) 2018 Red Hat, Inc. -# John helped, too. -# -# 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: John Snow <jsnow@redhat.com> - -import iotests -from iotests import log, qemu_img, qemu_io, qemu_io_silent - -iotests.script_initialize( - supported_fmts=['qcow2', 'qcow', 'qed', 'vmdk', 'vhdx', 'raw'], - supported_platforms=['linux'], -) - -patterns = [("0x5d", "0", "64k"), - ("0xd5", "1M", "64k"), - ("0xdc", "32M", "64k"), - ("0xcd", "0x3ff0000", "64k")] # 64M - 64K - -overwrite = [("0xab", "0", "64k"), # Full overwrite - ("0xad", "0x00f8000", "64k"), # Partial-left (1M-32K) - ("0x1d", "0x2008000", "64k"), # Partial-right (32M+32K) - ("0xea", "0x3fe0000", "64k")] # Adjacent-left (64M - 128K) - -zeroes = [("0", "0x00f8000", "32k"), # Left-end of partial-left (1M-32K) - ("0", "0x2010000", "32k"), # Right-end of partial-right (32M+64K) - ("0", "0x3fe0000", "64k")] # overwrite[3] - -remainder = [("0xd5", "0x108000", "32k"), # Right-end of partial-left [1] - ("0xdc", "32M", "32k"), # Left-end of partial-right [2] - ("0xcd", "0x3ff0000", "64k")] # patterns[3] - -with iotests.FilePath('base.img') as base_img_path, \ - iotests.FilePath('fleece.img') as fleece_img_path, \ - iotests.FilePath('nbd.sock', base_dir=iotests.sock_dir) as nbd_sock_path, \ - iotests.VM() as vm: - - log('--- Setting up images ---') - log('') - - assert qemu_img('create', '-f', iotests.imgfmt, base_img_path, '64M') == 0 - assert qemu_img('create', '-f', "qcow2", fleece_img_path, '64M') == 0 - - for p in patterns: - qemu_io('-f', iotests.imgfmt, - '-c', 'write -P%s %s %s' % p, base_img_path) - - log('Done') - - log('') - log('--- Launching VM ---') - log('') - - vm.add_drive(base_img_path) - vm.launch() - log('Done') - - log('') - log('--- Setting up Fleecing Graph ---') - log('') - - src_node = "drive0" - tgt_node = "fleeceNode" - - # create tgt_node backed by src_node - log(vm.qmp("blockdev-add", **{ - "driver": "qcow2", - "node-name": tgt_node, - "file": { - "driver": "file", - "filename": fleece_img_path, - }, - "backing": src_node, - })) - - # Establish COW from source to fleecing node - log(vm.qmp("blockdev-backup", - device=src_node, - target=tgt_node, - sync="none")) - - log('') - log('--- Setting up NBD Export ---') - log('') - - nbd_uri = 'nbd+unix:///%s?socket=%s' % (tgt_node, nbd_sock_path) - log(vm.qmp("nbd-server-start", - **{"addr": { "type": "unix", - "data": { "path": nbd_sock_path } } })) - - log(vm.qmp("nbd-server-add", device=tgt_node)) - - log('') - log('--- Sanity Check ---') - log('') - - for p in (patterns + zeroes): - cmd = "read -P%s %s %s" % p - log(cmd) - assert qemu_io_silent('-r', '-f', 'raw', '-c', cmd, nbd_uri) == 0 - - log('') - log('--- Testing COW ---') - log('') - - for p in overwrite: - cmd = "write -P%s %s %s" % p - log(cmd) - log(vm.hmp_qemu_io(src_node, cmd)) - - log('') - log('--- Verifying Data ---') - log('') - - for p in (patterns + zeroes): - cmd = "read -P%s %s %s" % p - log(cmd) - assert qemu_io_silent('-r', '-f', 'raw', '-c', cmd, nbd_uri) == 0 - - log('') - log('--- Cleanup ---') - log('') - - log(vm.qmp('block-job-cancel', device=src_node)) - log(vm.event_wait('BLOCK_JOB_CANCELLED'), - filters=[iotests.filter_qmp_event]) - log(vm.qmp('nbd-server-stop')) - log(vm.qmp('blockdev-del', node_name=tgt_node)) - vm.shutdown() - - log('') - log('--- Confirming writes ---') - log('') - - for p in (overwrite + remainder): - cmd = "read -P%s %s %s" % p - log(cmd) - assert qemu_io_silent(base_img_path, '-c', cmd) == 0 - - log('') - log('Done') |