]>
git.proxmox.com Git - mirror_qemu.git/blob - tests/qemu-iotests/246
4 # Test persistent bitmap resizing.
6 # Copyright (c) 2019 John Snow for Red Hat, Inc.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 # owner=jsnow@redhat.com
24 from iotests
import log
26 iotests
.script_initialize(supported_fmts
=['qcow2'])
27 size
= 64 * 1024 * 1024 * 1024
28 gran_small
= 32 * 1024
29 gran_large
= 128 * 1024
31 def query_bitmaps(vm
):
32 res
= vm
.qmp("query-block")
33 return { "bitmaps": { device
['device']: device
.get('dirty-bitmaps', []) for
34 device
in res
['return'] } }
36 with iotests
.FilePath('img') as img_path
, \
39 log('--- Preparing image & VM ---\n')
40 iotests
.qemu_img_create('-f', iotests
.imgfmt
, img_path
, str(size
))
41 vm
.add_drive(img_path
)
44 log('--- 1st Boot (Establish Baseline Image) ---\n')
47 log('\n--- Adding bitmaps Small, Medium, Large, and Transient ---\n')
48 vm
.qmp_log("block-dirty-bitmap-add", node
="drive0",
49 name
="Small", granularity
=gran_small
, persistent
=True)
50 vm
.qmp_log("block-dirty-bitmap-add", node
="drive0",
51 name
="Medium", persistent
=True)
52 vm
.qmp_log("block-dirty-bitmap-add", node
="drive0",
53 name
="Large", granularity
=gran_large
, persistent
=True)
54 vm
.qmp_log("block-dirty-bitmap-add", node
="drive0",
55 name
="Transient", persistent
=False)
57 log('--- Forcing flush of bitmaps to disk ---\n')
58 log(query_bitmaps(vm
), indent
=2)
62 log('--- 2nd Boot (Grow Image) ---\n')
64 log(query_bitmaps(vm
), indent
=2)
66 log('--- Adding new bitmap, growing image, and adding 2nd new bitmap ---')
67 vm
.qmp_log("block-dirty-bitmap-add", node
="drive0",
68 name
="New", persistent
=True)
69 vm
.qmp_log("human-monitor-command",
70 command_line
="block_resize drive0 70G")
71 vm
.qmp_log("block-dirty-bitmap-add", node
="drive0",
72 name
="Newtwo", persistent
=True)
73 log(query_bitmaps(vm
), indent
=2)
75 log('--- Forcing flush of bitmaps to disk ---\n')
79 log('--- 3rd Boot (Shrink Image) ---\n')
81 log(query_bitmaps(vm
), indent
=2)
83 log('--- Adding "NewB" bitmap, removing "New" bitmap ---')
84 vm
.qmp_log("block-dirty-bitmap-add", node
="drive0",
85 name
="NewB", persistent
=True)
86 vm
.qmp_log("block-dirty-bitmap-remove", node
="drive0",
89 log('--- Truncating image ---\n')
90 vm
.qmp_log("human-monitor-command",
91 command_line
="block_resize drive0 50G")
93 log('--- Adding "NewC" bitmap, removing "NewTwo" bitmap ---')
94 vm
.qmp_log("block-dirty-bitmap-add", node
="drive0",
95 name
="NewC", persistent
=True)
96 vm
.qmp_log("block-dirty-bitmap-remove", node
="drive0", name
="Newtwo")
98 log('--- Forcing flush of bitmaps to disk ---\n')
102 log('--- 4th Boot (Verification and Cleanup) ---\n')
104 log(query_bitmaps(vm
), indent
=2)
106 log('--- Removing all Bitmaps ---\n')
107 vm
.qmp_log("block-dirty-bitmap-remove", node
="drive0", name
="Small")
108 vm
.qmp_log("block-dirty-bitmap-remove", node
="drive0", name
="Medium")
109 vm
.qmp_log("block-dirty-bitmap-remove", node
="drive0", name
="Large")
110 vm
.qmp_log("block-dirty-bitmap-remove", node
="drive0", name
="NewB")
111 vm
.qmp_log("block-dirty-bitmap-remove", node
="drive0", name
="NewC")
112 log(query_bitmaps(vm
), indent
=2)
114 log('\n--- Done ---')