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>
83 lines
3.1 KiB
Python
Executable File
83 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (C) 2019 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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# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
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#
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# Test migration with filter drivers present. Keep everything in an
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# iothread just for fun.
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import iotests
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import os
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iotests.script_initialize(supported_fmts=['qcow2'],
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supported_platforms=['linux'])
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with iotests.FilePath('img') as img_path, \
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iotests.FilePath('mig_fifo') as fifo, \
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iotests.VM(path_suffix='a') as vm_a, \
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iotests.VM(path_suffix='b') as vm_b:
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def add_opts(vm):
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vm.add_object('iothread,id=iothread0')
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vm.add_object('throttle-group,id=tg0,x-bps-total=65536')
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vm.add_blockdev('file,filename=%s,node-name=drive0-file' % (img_path))
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vm.add_blockdev('%s,file=drive0-file,node-name=drive0-fmt' % (iotests.imgfmt))
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vm.add_blockdev('copy-on-read,file=drive0-fmt,node-name=drive0-cor')
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vm.add_blockdev('throttle,file=drive0-cor,node-name=drive0-throttle,throttle-group=tg0')
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vm.add_blockdev('blkdebug,image=drive0-throttle,node-name=drive0-dbg')
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vm.add_blockdev('null-co,node-name=null,read-zeroes=on')
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vm.add_blockdev('blkverify,test=drive0-dbg,raw=null,node-name=drive0-verify')
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if iotests.supports_quorum():
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vm.add_blockdev('quorum,children.0=drive0-verify,vote-threshold=1,node-name=drive0-quorum')
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root = "drive0-quorum"
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else:
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root = "drive0-verify"
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vm.add_device('virtio-blk,drive=%s,iothread=iothread0' % root)
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iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, img_path, '64M')
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os.mkfifo(fifo)
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iotests.log('Launching destination VM...')
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add_opts(vm_b)
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vm_b.add_incoming("exec: cat '%s'" % (fifo))
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vm_b.launch()
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vm_b.enable_migration_events('B')
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iotests.log('Launching source VM...')
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add_opts(vm_a)
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vm_a.launch()
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vm_a.enable_migration_events('A')
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iotests.log('Starting migration to B...')
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iotests.log(vm_a.qmp('migrate', uri='exec:cat >%s' % (fifo)))
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with iotests.Timeout(3, 'Migration does not complete'):
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# Wait for the source first (which includes setup=setup)
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vm_a.wait_migration('postmigrate')
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# Wait for the destination second (which does not)
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vm_b.wait_migration('running')
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iotests.log(vm_a.qmp('query-migrate')['return']['status'])
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iotests.log(vm_b.qmp('query-migrate')['return']['status'])
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iotests.log(vm_a.qmp('query-status'))
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iotests.log(vm_b.qmp('query-status'))
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