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7d8140595f
Like script_main, but doesn't require a single point of entry. Replace all existing initialization sections with this drop-in replacement. This brings debug support to all existing script-style iotests. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-Id: <20200331000014.11581-12-jsnow@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> [mreitz: Give 274 the same treatment] Signed-off-by: Max Reitz <mreitz@redhat.com>
115 lines
4.0 KiB
Python
Executable File
115 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Test persistent bitmap resizing.
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#
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# Copyright (c) 2019 John Snow for Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# owner=jsnow@redhat.com
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import iotests
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from iotests import log
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iotests.script_initialize(supported_fmts=['qcow2'])
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size = 64 * 1024 * 1024 * 1024
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gran_small = 32 * 1024
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gran_large = 128 * 1024
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def query_bitmaps(vm):
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res = vm.qmp("query-block")
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return { "bitmaps": { device['device']: device.get('dirty-bitmaps', []) for
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device in res['return'] } }
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with iotests.FilePath('img') as img_path, \
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iotests.VM() as vm:
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log('--- Preparing image & VM ---\n')
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iotests.qemu_img_create('-f', iotests.imgfmt, img_path, str(size))
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vm.add_drive(img_path)
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log('--- 1st Boot (Establish Baseline Image) ---\n')
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vm.launch()
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log('\n--- Adding bitmaps Small, Medium, Large, and Transient ---\n')
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vm.qmp_log("block-dirty-bitmap-add", node="drive0",
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name="Small", granularity=gran_small, persistent=True)
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vm.qmp_log("block-dirty-bitmap-add", node="drive0",
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name="Medium", persistent=True)
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vm.qmp_log("block-dirty-bitmap-add", node="drive0",
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name="Large", granularity=gran_large, persistent=True)
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vm.qmp_log("block-dirty-bitmap-add", node="drive0",
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name="Transient", persistent=False)
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log('--- Forcing flush of bitmaps to disk ---\n')
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log(query_bitmaps(vm), indent=2)
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vm.shutdown()
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log('--- 2nd Boot (Grow Image) ---\n')
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vm.launch()
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log(query_bitmaps(vm), indent=2)
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log('--- Adding new bitmap, growing image, and adding 2nd new bitmap ---')
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vm.qmp_log("block-dirty-bitmap-add", node="drive0",
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name="New", persistent=True)
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vm.qmp_log("human-monitor-command",
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command_line="block_resize drive0 70G")
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vm.qmp_log("block-dirty-bitmap-add", node="drive0",
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name="Newtwo", persistent=True)
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log(query_bitmaps(vm), indent=2)
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log('--- Forcing flush of bitmaps to disk ---\n')
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vm.shutdown()
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log('--- 3rd Boot (Shrink Image) ---\n')
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vm.launch()
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log(query_bitmaps(vm), indent=2)
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log('--- Adding "NewB" bitmap, removing "New" bitmap ---')
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vm.qmp_log("block-dirty-bitmap-add", node="drive0",
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name="NewB", persistent=True)
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vm.qmp_log("block-dirty-bitmap-remove", node="drive0",
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name="New")
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log('--- Truncating image ---\n')
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vm.qmp_log("human-monitor-command",
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command_line="block_resize drive0 50G")
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log('--- Adding "NewC" bitmap, removing "NewTwo" bitmap ---')
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vm.qmp_log("block-dirty-bitmap-add", node="drive0",
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name="NewC", persistent=True)
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vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Newtwo")
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log('--- Forcing flush of bitmaps to disk ---\n')
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vm.shutdown()
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log('--- 4th Boot (Verification and Cleanup) ---\n')
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vm.launch()
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log(query_bitmaps(vm), indent=2)
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log('--- Removing all Bitmaps ---\n')
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vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Small")
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vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Medium")
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vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Large")
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vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="NewB")
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vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="NewC")
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log(query_bitmaps(vm), indent=2)
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log('\n--- Done ---')
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vm.shutdown()
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