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80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Migration test base class
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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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import time
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from qemu_test import QemuSystemTest, which
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from qemu_test.ports import Ports
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class MigrationTest(QemuSystemTest):
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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.cmd('query-migrate')['status'] in ('completed', 'failed')
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def assert_migration(self, src_vm, dst_vm):
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end = time.monotonic() + self.timeout
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while time.monotonic() < end and not self.migration_finished(src_vm):
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time.sleep(0.1)
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end = time.monotonic() + self.timeout
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while time.monotonic() < end and not self.migration_finished(dst_vm):
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time.sleep(0.1)
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self.assertEqual(src_vm.cmd('query-migrate')['status'], 'completed')
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self.assertEqual(dst_vm.cmd('query-migrate')['status'], 'completed')
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self.assertEqual(dst_vm.cmd('query-status')['status'], 'running')
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self.assertEqual(src_vm.cmd('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, name="dest-qemu")
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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(name="source-qemu")
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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, ports):
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port = ports.find_free_port()
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if port is None:
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self.skipTest('Failed to find a free port')
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return port
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def migration_with_tcp_localhost(self):
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with Ports() as ports:
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dest_uri = 'tcp:localhost:%u' % self._get_free_port(ports)
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self.do_migrate(dest_uri)
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def 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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def migration_with_exec(self):
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if not which('ncat'):
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self.skipTest('ncat is not available')
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with Ports() as ports:
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free_port = self._get_free_port(ports)
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dest_uri = 'exec:ncat -l localhost %u' % free_port
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src_uri = 'exec:ncat localhost %u' % free_port
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self.do_migrate(dest_uri, src_uri)
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