sphinx/qapidoc: Drop code to generate doc for simple union tag
[qemu/kevin.git] / tests / qemu-iotests / 246
blobb009a78397752bdd60bf2ec34af5f7c9a838daab
1 #!/usr/bin/env python3
2 # group: rw quick
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
23 import iotests
24 from iotests import log
26 iotests.script_initialize(supported_fmts=['qcow2'],
27                           unsupported_imgopts=['compat'])
28 size = 64 * 1024 * 1024 * 1024
29 gran_small = 32 * 1024
30 gran_large = 128 * 1024
32 def query_bitmaps(vm):
33     res = vm.qmp("query-block")
34     return { "bitmaps": { device['device']: device.get('inserted', {})
35                           .get('dirty-bitmaps', []) for
36                           device in res['return'] } }
38 with iotests.FilePath('img') as img_path, \
39      iotests.VM() as vm:
41     log('--- Preparing image & VM ---\n')
42     iotests.qemu_img_create('-f', iotests.imgfmt, img_path, str(size))
43     vm.add_drive(img_path)
46     log('--- 1st Boot (Establish Baseline Image) ---\n')
47     vm.launch()
49     log('\n--- Adding bitmaps Small, Medium, Large, and Transient ---\n')
50     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
51                name="Small", granularity=gran_small, persistent=True)
52     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
53                name="Medium", persistent=True)
54     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
55                name="Large", granularity=gran_large, persistent=True)
56     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
57                name="Transient", persistent=False)
59     log('--- Forcing flush of bitmaps to disk ---\n')
60     log(query_bitmaps(vm), indent=2)
61     vm.shutdown()
64     log('--- 2nd Boot (Grow Image) ---\n')
65     vm.launch()
66     log(query_bitmaps(vm), indent=2)
68     log('--- Adding new bitmap, growing image, and adding 2nd new bitmap ---')
69     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
70                name="New", persistent=True)
71     vm.qmp_log("human-monitor-command",
72                command_line="block_resize drive0 70G")
73     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
74                name="Newtwo", persistent=True)
75     log(query_bitmaps(vm), indent=2)
77     log('--- Forcing flush of bitmaps to disk ---\n')
78     vm.shutdown()
81     log('--- 3rd Boot (Shrink Image) ---\n')
82     vm.launch()
83     log(query_bitmaps(vm), indent=2)
85     log('--- Adding "NewB" bitmap, removing "New" bitmap ---')
86     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
87                name="NewB", persistent=True)
88     vm.qmp_log("block-dirty-bitmap-remove", node="drive0",
89                name="New")
91     log('--- Truncating image ---\n')
92     vm.qmp_log("human-monitor-command",
93                command_line="block_resize drive0 50G")
95     log('--- Adding "NewC" bitmap, removing "NewTwo" bitmap ---')
96     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
97                name="NewC", persistent=True)
98     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Newtwo")
100     log('--- Forcing flush of bitmaps to disk ---\n')
101     vm.shutdown()
104     log('--- 4th Boot (Verification and Cleanup) ---\n')
105     vm.launch()
106     log(query_bitmaps(vm), indent=2)
108     log('--- Removing all Bitmaps ---\n')
109     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Small")
110     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Medium")
111     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Large")
112     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="NewB")
113     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="NewC")
114     log(query_bitmaps(vm), indent=2)
116     log('\n--- Done ---')
117     vm.shutdown()