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2c9120a223
When the source finishes migration the destination will still be receiving the data sent by the source, so it might not have quite finished yet, so won't quite have reached 'completed'. This lead to occasional asserts in the next few checks. After the source has finished, check the destination as well. (We can't just switch to checking the destination, because it doesn't give a status until it has started receiving the migration). Reported-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Tested-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200528112404.121972-1-dgilbert@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
# Migration test
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#
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# Copyright (c) 2019 Red Hat, Inc.
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#
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# Authors:
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# Cleber Rosa <crosa@redhat.com>
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# Caio Carrara <ccarrara@redhat.com>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import tempfile
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from avocado_qemu import Test
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from avocado import skipUnless
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from avocado.utils import network
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from avocado.utils import wait
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from avocado.utils.path import find_command
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class Migration(Test):
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"""
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:avocado: tags=migration
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"""
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timeout = 10
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@staticmethod
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def migration_finished(vm):
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return vm.command('query-migrate')['status'] in ('completed', 'failed')
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def assert_migration(self, src_vm, dst_vm):
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wait.wait_for(self.migration_finished,
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timeout=self.timeout,
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step=0.1,
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args=(src_vm,))
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wait.wait_for(self.migration_finished,
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timeout=self.timeout,
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step=0.1,
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args=(dst_vm,))
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self.assertEqual(src_vm.command('query-migrate')['status'], 'completed')
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self.assertEqual(dst_vm.command('query-migrate')['status'], 'completed')
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self.assertEqual(dst_vm.command('query-status')['status'], 'running')
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self.assertEqual(src_vm.command('query-status')['status'],'postmigrate')
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def do_migrate(self, dest_uri, src_uri=None):
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dest_vm = self.get_vm('-incoming', dest_uri)
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dest_vm.add_args('-nodefaults')
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dest_vm.launch()
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if src_uri is None:
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src_uri = dest_uri
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source_vm = self.get_vm()
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source_vm.add_args('-nodefaults')
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source_vm.launch()
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source_vm.qmp('migrate', uri=src_uri)
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self.assert_migration(source_vm, dest_vm)
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def _get_free_port(self):
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port = network.find_free_port()
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if port is None:
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self.cancel('Failed to find a free port')
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return port
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def test_migration_with_tcp_localhost(self):
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dest_uri = 'tcp:localhost:%u' % self._get_free_port()
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self.do_migrate(dest_uri)
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def test_migration_with_unix(self):
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with tempfile.TemporaryDirectory(prefix='socket_') as socket_path:
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dest_uri = 'unix:%s/qemu-test.sock' % socket_path
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self.do_migrate(dest_uri)
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@skipUnless(find_command('nc', default=False), "'nc' command not found")
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def test_migration_with_exec(self):
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"""The test works for both netcat-traditional and netcat-openbsd packages."""
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free_port = self._get_free_port()
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dest_uri = 'exec:nc -l localhost %u' % free_port
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src_uri = 'exec:nc localhost %u' % free_port
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self.do_migrate(dest_uri, src_uri)
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