def test_event_lifecycle_callback_suspended_migrated(self):
"""Tests the suspended lifecycle event with libvirt with migrated"""
hostimpl = mock.MagicMock()
conn = mock.MagicMock()
fake_dom_xml = """
<domain type='kvm'>
<uuid>cef19ce0-0ca2-11df-855d-b19fbce37686</uuid>
</domain>
"""
dom = fakelibvirt.Domain(conn, fake_dom_xml, running=True)
# See https://libvirt.org/html/libvirt-libvirt-domain.html for values.
VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED = 1
with mock.patch.object(host.libvirt,
'VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED',
new=1,
create=True):
host.Host._event_lifecycle_callback(
conn,
dom,
fakelibvirt.VIR_DOMAIN_EVENT_SUSPENDED,
detail=VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED,
opaque=hostimpl)
expected_event = hostimpl._queue_event.call_args[0][0]
# FIXME(mriedem): This should be EVENT_LIFECYCLE_MIGRATION_COMPLETED
# once bug 1788014 is fixed and we properly check job status for the
# VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED case.
# self.assertEqual(event.EVENT_LIFECYCLE_MIGRATION_COMPLETED,
# expected_event.transition)
self.assertEqual(event.EVENT_LIFECYCLE_PAUSED,
expected_event.transition)
def emulate_defineXML(xml):
conn = self.host.get_connection()
# Emulate the decoding behavior of defineXML in Python2
if six.PY2:
xml = xml.decode("utf-8")
dom = fakelibvirt.Domain(conn, xml, False)
return dom
def test_event_lifecycle(self):
got_events = []
# Validate that libvirt events are correctly translated
# to Nova events
def handler(event):
got_events.append(event)
hostimpl = host.Host("qemu:///system", lifecycle_event_handler=handler)
conn = hostimpl.get_connection()
hostimpl._init_events_pipe()
fake_dom_xml = """
<domain type='kvm'>
<uuid>cef19ce0-0ca2-11df-855d-b19fbce37686</uuid>
<devices>
<disk type='file'>
<source file='filename'/>
</disk>
</devices>
</domain>
"""
dom = fakelibvirt.Domain(conn, fake_dom_xml, False)
hostimpl._event_lifecycle_callback(conn, dom,
libvirt.VIR_DOMAIN_EVENT_STOPPED, 0,
hostimpl)
hostimpl._dispatch_events()
self.assertEqual(len(got_events), 1)
self.assertIsInstance(got_events[0], event.LifecycleEvent)
self.assertEqual(got_events[0].uuid,
"cef19ce0-0ca2-11df-855d-b19fbce37686")
self.assertEqual(got_events[0].transition,
event.EVENT_LIFECYCLE_STOPPED)
def test_event_lifecycle_callback_suspended_migrated_job_failed(
self, find_job_type, get_job_info):
"""Tests the suspended lifecycle event with libvirt with migrated"""
hostimpl = mock.MagicMock()
conn = mock.MagicMock()
fake_dom_xml = """
<domain type='kvm'>
<uuid>cef19ce0-0ca2-11df-855d-b19fbce37686</uuid>
</domain>
"""
dom = fakelibvirt.Domain(conn, fake_dom_xml, running=True)
jobinfo = libvirt_guest.JobInfo(type=fakelibvirt.VIR_DOMAIN_JOB_NONE)
get_job_info.return_value = jobinfo
# If the job type is VIR_DOMAIN_JOB_NONE we'll attempt to figure out
# the actual job status, so in this case we mock it to be a failure.
find_job_type.return_value = fakelibvirt.VIR_DOMAIN_JOB_FAILED
host.Host._event_lifecycle_callback(
conn,
dom,
fakelibvirt.VIR_DOMAIN_EVENT_SUSPENDED,
detail=fakelibvirt.VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED,
opaque=hostimpl)
expected_event = hostimpl._queue_event.call_args[0][0]
self.assertEqual(event.EVENT_LIFECYCLE_PAUSED,
expected_event.transition)
get_job_info.assert_called_once_with()
find_job_type.assert_called_once_with(test.MatchType(
libvirt_guest.Guest),
instance=None,
logging_ok=False)
def setUp(self):
super(MigrationMonitorTestCase, self).setUp()
self.useFixture(fakelibvirt.FakeLibvirtFixture())
flavor = objects.Flavor(memory_mb=2048,
swap=0,
vcpu_weight=None,
root_gb=1,
id=2,
name=u'm1.small',
ephemeral_gb=0,
rxtx_factor=1.0,
flavorid=u'1',
vcpus=1,
extra_specs={})
instance = {
'id': 1,
'uuid': '32dfcb37-5af1-552b-357c-be8c3aa38310',
'memory_kb': '1024000',
'basepath': '/some/path',
'bridge_name': 'br100',
'display_name': "Acme webserver",
'vcpus': 2,
'project_id': 'fake',
'bridge': 'br101',
'image_ref': '155d900f-4e14-4e4c-a73d-069cbf4541e6',
'root_gb': 10,
'ephemeral_gb': 20,
'instance_type_id': '5', # m1.small
'extra_specs': {},
'system_metadata': {
'image_disk_format': 'raw',
},
'flavor': flavor,
'new_flavor': None,
'old_flavor': None,
'pci_devices': objects.PciDeviceList(),
'numa_topology': None,
'config_drive': None,
'vm_mode': None,
'kernel_id': None,
'ramdisk_id': None,
'os_type': 'linux',
'user_id': '838a72b0-0d54-4827-8fd6-fb1227633ceb',
'ephemeral_key_uuid': None,
'vcpu_model': None,
'host': 'fake-host',
'task_state': None,
}
self.instance = objects.Instance(**instance)
self.conn = fakelibvirt.Connection("qemu:///system")
self.dom = fakelibvirt.Domain(self.conn, "<domain/>", True)
self.host = host.Host("qemu:///system")
self.guest = libvirt_guest.Guest(self.dom)
def test_write_instance_config(self, mock_defineXML):
fake_dom_xml = """
<domain type='kvm'>
<uuid>cef19ce0-0ca2-11df-855d-b19fbce37686</uuid>
<devices>
<disk type='file'>
<source file='filename'/>
</disk>
</devices>
</domain>
"""
conn = self.host.get_connection()
dom = fakelibvirt.Domain(conn, fake_dom_xml, False)
mock_defineXML.return_value = dom
guest = self.host.write_instance_config(fake_dom_xml)
mock_defineXML.assert_called_once_with(fake_dom_xml)
self.assertIsInstance(guest, libvirt_guest.Guest)
def test_event_lifecycle_callback_suspended_postcopy(self):
"""Tests the suspended lifecycle event with libvirt with post-copy"""
hostimpl = mock.MagicMock()
conn = mock.MagicMock()
fake_dom_xml = """
<domain type='kvm'>
<uuid>cef19ce0-0ca2-11df-855d-b19fbce37686</uuid>
</domain>
"""
dom = fakelibvirt.Domain(conn, fake_dom_xml, running=True)
host.Host._event_lifecycle_callback(
conn, dom, fakelibvirt.VIR_DOMAIN_EVENT_SUSPENDED,
detail=fakelibvirt.VIR_DOMAIN_EVENT_SUSPENDED_POSTCOPY,
opaque=hostimpl)
expected_event = hostimpl._queue_event.call_args[0][0]
self.assertEqual(event.EVENT_LIFECYCLE_POSTCOPY_STARTED,
expected_event.transition)
def test_event_lifecycle(self):
got_events = []
# Validate that libvirt events are correctly translated
# to Nova events
def spawn_after(seconds, func, *args, **kwargs):
got_events.append(args[0])
return mock.Mock(spec=greenthread.GreenThread)
greenthread.spawn_after = mock.Mock(side_effect=spawn_after)
hostimpl = host.Host("qemu:///system",
lifecycle_event_handler=lambda e: None)
conn = hostimpl.get_connection()
hostimpl._init_events_pipe()
fake_dom_xml = """
<domain type='kvm'>
<uuid>cef19ce0-0ca2-11df-855d-b19fbce37686</uuid>
<devices>
<disk type='file'>
<source file='filename'/>
</disk>
</devices>
</domain>
"""
dom = fakelibvirt.Domain(conn,
fake_dom_xml,
False)
hostimpl._event_lifecycle_callback(
conn, dom, fakelibvirt.VIR_DOMAIN_EVENT_STOPPED, 0, hostimpl)
hostimpl._dispatch_events()
self.assertEqual(len(got_events), 1)
self.assertIsInstance(got_events[0], event.LifecycleEvent)
self.assertEqual(got_events[0].uuid,
"cef19ce0-0ca2-11df-855d-b19fbce37686")
self.assertEqual(got_events[0].transition,
event.EVENT_LIFECYCLE_STOPPED)
def test_event_lifecycle_callback_suspended_migrated(self, get_job_info):
"""Tests the suspended lifecycle event with libvirt with migrated"""
hostimpl = mock.MagicMock()
conn = mock.MagicMock()
fake_dom_xml = """
<domain type='kvm'>
<uuid>cef19ce0-0ca2-11df-855d-b19fbce37686</uuid>
</domain>
"""
dom = fakelibvirt.Domain(conn, fake_dom_xml, running=True)
jobinfo = libvirt_guest.JobInfo(
type=fakelibvirt.VIR_DOMAIN_JOB_COMPLETED)
get_job_info.return_value = jobinfo
host.Host._event_lifecycle_callback(
conn,
dom,
fakelibvirt.VIR_DOMAIN_EVENT_SUSPENDED,
detail=fakelibvirt.VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED,
opaque=hostimpl)
expected_event = hostimpl._queue_event.call_args[0][0]
self.assertEqual(event.EVENT_LIFECYCLE_MIGRATION_COMPLETED,
expected_event.transition)
get_job_info.assert_called_once_with()
