tests/avocado/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 import tempfile
  14 import os
  15
  16 from avocado_qemu import QemuSystemTest
  17 from avocado import skipUnless
  18
  19 from avocado.utils.network import ports
  20 from avocado.utils import wait
  21 from avocado.utils.path import find_command
  22
  23
  24 class MigrationTest(QemuSystemTest):
  25     """
  26     :avocado: tags=migration
  27     """
  28
  29     timeout = 10
  30
  31     @staticmethod
  32     def migration_finished(vm):
  33         return vm.cmd('query-migrate')['status'] in ('completed', 'failed')
  34
  35     def assert_migration(self, src_vm, dst_vm):
  36         wait.wait_for(self.migration_finished,
  37                       timeout=self.timeout,
  38                       step=0.1,
  39                       args=(src_vm,))
  40         wait.wait_for(self.migration_finished,
  41                       timeout=self.timeout,
  42                       step=0.1,
  43                       args=(dst_vm,))
  44         self.assertEqual(src_vm.cmd('query-migrate')['status'], 'completed')
  45         self.assertEqual(dst_vm.cmd('query-migrate')['status'], 'completed')
  46         self.assertEqual(dst_vm.cmd('query-status')['status'], 'running')
  47         self.assertEqual(src_vm.cmd('query-status')['status'],'postmigrate')
  48
  49     def do_migrate(self, dest_uri, src_uri=None):
  50         dest_vm = self.get_vm('-incoming', dest_uri)
  51         dest_vm.add_args('-nodefaults')
  52         dest_vm.launch()
  53         if src_uri is None:
  54             src_uri = dest_uri
  55         source_vm = self.get_vm()
  56         source_vm.add_args('-nodefaults')
  57         source_vm.launch()
  58         source_vm.qmp('migrate', uri=src_uri)
  59         self.assert_migration(source_vm, dest_vm)
  60
  61     def _get_free_port(self):
  62         port = ports.find_free_port()
  63         if port is None:
  64             self.cancel('Failed to find a free port')
  65         return port
  66
  67     def migration_with_tcp_localhost(self):
  68         dest_uri = 'tcp:localhost:%u' % self._get_free_port()
  69         self.do_migrate(dest_uri)
  70
  71     def migration_with_unix(self):
  72         with tempfile.TemporaryDirectory(prefix='socket_') as socket_path:
  73             dest_uri = 'unix:%s/qemu-test.sock' % socket_path
  74             self.do_migrate(dest_uri)
  75
  76     @skipUnless(find_command('nc', default=False), "'nc' command not found")
  77     def migration_with_exec(self):
  78         """The test works for both netcat-traditional and netcat-openbsd packages."""
  79         free_port = self._get_free_port()
  80         dest_uri = 'exec:nc -l localhost %u' % free_port
  81         src_uri = 'exec:nc localhost %u' % free_port
  82         self.do_migrate(dest_uri, src_uri)
  83
  84
  85 @skipUnless('aarch64' in os.uname()[4], "host != target")
  86 class Aarch64(MigrationTest):
  87     """
  88     :avocado: tags=arch:aarch64
  89     :avocado: tags=machine:virt
  90     :avocado: tags=cpu:max
  91     """
  92
  93     def test_migration_with_tcp_localhost(self):
  94         self.migration_with_tcp_localhost()
  95
  96     def test_migration_with_unix(self):
  97         self.migration_with_unix()
  98
  99     def test_migration_with_exec(self):
 100         self.migration_with_exec()
 101
 102
 103 @skipUnless('x86_64' in os.uname()[4], "host != target")
 104 class X86_64(MigrationTest):
 105     """
 106     :avocado: tags=arch:x86_64
 107     :avocado: tags=machine:pc
 108     :avocado: tags=cpu:qemu64
 109     """
 110
 111     def test_migration_with_tcp_localhost(self):
 112         self.migration_with_tcp_localhost()
 113
 114     def test_migration_with_unix(self):
 115         self.migration_with_unix()
 116
 117     def test_migration_with_exec(self):
 118         self.migration_with_exec()
 119
 120
 121 @skipUnless('ppc64le' in os.uname()[4], "host != target")
 122 class PPC64(MigrationTest):
 123     """
 124     :avocado: tags=arch:ppc64
 125     :avocado: tags=machine:pseries
 126     :avocado: tags=cpu:power9_v2.0
 127     """
 128
 129     def test_migration_with_tcp_localhost(self):
 130         self.migration_with_tcp_localhost()
 131
 132     def test_migration_with_unix(self):
 133         self.migration_with_unix()
 134
 135     def test_migration_with_exec(self):
 136         self.migration_with_exec()