tests/acceptance/migration.py

   1 # Migration test
   2 #
   3 # Copyright (c) 2019 Red Hat, Inc.
   4 #
   5 # Authors:
   6 #  Cleber Rosa <crosa@redhat.com>
   7 #  Caio Carrara <ccarrara@redhat.com>
   8 #
   9 # This work is licensed under the terms of the GNU GPL, version 2 or
  10 # later.  See the COPYING file in the top-level directory.
  11
  12
  13 from avocado_qemu import Test
  14
  15 from avocado.utils import network
  16 from avocado.utils import wait
  17
  18
  19 class Migration(Test):
  20
  21     timeout = 10
  22
  23     @staticmethod
  24     def migration_finished(vm):
  25         return vm.command('query-migrate')['status'] in ('completed', 'failed')
  26
  27     def _get_free_port(self):
  28         port = network.find_free_port()
  29         if port is None:
  30             self.cancel('Failed to find a free port')
  31         return port
  32
  33
  34     def test_migration_with_tcp_localhost(self):
  35         source_vm = self.get_vm()
  36         dest_uri = 'tcp:localhost:%u' % self._get_free_port()
  37         dest_vm = self.get_vm('-incoming', dest_uri)
  38         dest_vm.launch()
  39         source_vm.launch()
  40         source_vm.qmp('migrate', uri=dest_uri)
  41         wait.wait_for(
  42             self.migration_finished,
  43             timeout=self.timeout,
  44             step=0.1,
  45             args=(source_vm,)
  46         )
  47         self.assertEqual(dest_vm.command('query-migrate')['status'], 'completed')
  48         self.assertEqual(source_vm.command('query-migrate')['status'], 'completed')
  49         self.assertEqual(dest_vm.command('query-status')['status'], 'running')
  50         self.assertEqual(source_vm.command('query-status')['status'], 'postmigrate')