def test_get_flavor_id(self):
self.CONF.set_override("instance_discovery_method",
"libvirt_metadata",
group="compute")
self.client.nova_client = mock.MagicMock()
self.client.nova_client.flavors = mock.MagicMock()
fake_flavor = mock.MagicMock()
fake_flavor.id = 'fake_id'
self.client.nova_client.flavors.find = mock.MagicMock(
return_value=fake_flavor)
dsc = discovery.InstanceDiscovery(self.CONF)
flavor_name = 'fake_name'
ret_flavor_id = dsc.get_flavor_id(flavor_name)
self.assertEqual('fake_id', ret_flavor_id)
# test raise NotFound exception
self.client.nova_client.flavors.find = mock.MagicMock(
side_effect=exceptions.NotFound(404))
dsc = discovery.InstanceDiscovery(self.CONF)
ret_flavor_id = dsc.get_flavor_id(flavor_name)
self.assertEqual(flavor_name, ret_flavor_id)
def test_discovery_with_legacy_resource_cache_cleanup(self):
self.CONF.set_override("instance_discovery_method",
"naive",
group="compute")
self.CONF.set_override("resource_update_interval",
600,
group="compute")
self.CONF.set_override("resource_cache_expiry", 1800, group="compute")
dsc = discovery.InstanceDiscovery(self.CONF)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
self.utc_now.return_value = datetime.datetime(
2016, 1, 1, minute=20, tzinfo=iso8601.iso8601.UTC)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
self.utc_now.return_value = datetime.datetime(
2016, 1, 1, minute=31, tzinfo=iso8601.iso8601.UTC)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
expected_calls = [
mock.call('test', None),
mock.call('test', '2016-01-01T00:00:00+00:00'),
mock.call('test', None)
]
self.assertEqual(expected_calls,
self.client.instance_get_all_by_host.call_args_list)
def test_discovery_with_resource_update_interval(self):
self.CONF.set_override("instance_discovery_method",
"naive",
group="compute")
self.CONF.set_override("resource_update_interval",
600,
group="compute")
dsc = discovery.InstanceDiscovery(self.CONF)
dsc.last_run = datetime.datetime(2016,
1,
1,
tzinfo=iso8601.iso8601.UTC)
self.utc_now.return_value = datetime.datetime(
2016, 1, 1, minute=5, tzinfo=iso8601.iso8601.UTC)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(0, len(resources))
self.client.instance_get_all_by_host.assert_not_called()
self.utc_now.return_value = datetime.datetime(
2016, 1, 1, minute=20, tzinfo=iso8601.iso8601.UTC)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
self.assertEqual(1, list(resources)[0].id)
self.client.instance_get_all_by_host.assert_called_once_with(
self.CONF.host, "2016-01-01T00:00:00+00:00")
def test_discovery_with_libvirt_error(self, libvirt, libvirt2):
self.CONF.set_override("instance_discovery_method",
"libvirt_metadata",
group="compute")
libvirt.VIR_DOMAIN_METADATA_ELEMENT = 2
libvirt2.openReadOnly.return_value = FakeManualInstanceConn()
dsc = discovery.InstanceDiscovery(self.CONF)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(0, len(resources))
def test_normal_discovery(self):
dsc = discovery.InstanceDiscovery()
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
self.assertEqual(1, list(resources)[0].id)
self.client.instance_get_all_by_host.assert_called_once_with(
'test', None)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
self.assertEqual(1, list(resources)[0].id)
self.client.instance_get_all_by_host.assert_called_with(
self.CONF.host, "2016-01-01T00:00:00+00:00")
def test_normal_discovery(self):
self.CONF.set_override("instance_discovery_method",
"naive",
group="compute")
dsc = discovery.InstanceDiscovery(self.CONF)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
self.assertEqual(1, list(resources)[0].id)
self.client.instance_get_all_by_host.assert_called_once_with(
'test', None)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
self.assertEqual(1, list(resources)[0].id)
self.client.instance_get_all_by_host.assert_called_with(
self.CONF.host, "2016-01-01T00:00:00+00:00")
def test_discovery_with_libvirt(self, libvirt, libvirt2):
self.CONF.set_override("instance_discovery_method",
"libvirt_metadata",
group="compute")
libvirt.VIR_DOMAIN_METADATA_ELEMENT = 2
libvirt2.openReadOnly.return_value = FakeConn()
dsc = discovery.InstanceDiscovery(self.CONF)
resources = dsc.discover(mock.MagicMock())
self.assertEqual(1, len(resources))
r = list(resources)[0]
s = util.make_sample_from_instance(self.CONF, r, "metric", "delta",
"carrot", 1)
self.assertEqual("a75c2fa5-6c03-45a8-bbf7-b993cfcdec27", s.resource_id)
self.assertEqual("d99c829753f64057bc0f2030da309943", s.project_id)
self.assertEqual("a1f4684e58bd4c88aefd2ecb0783b497", s.user_id)
metadata = s.resource_metadata
self.assertEqual(1, metadata["vcpus"])
self.assertEqual(512, metadata["memory_mb"])
self.assertEqual(1, metadata["disk_gb"])
self.assertEqual(0, metadata["ephemeral_gb"])
self.assertEqual(1, metadata["root_gb"])
self.assertEqual("bdaf114a-35e9-4163-accd-226d5944bf11",
metadata["image_ref"])
self.assertEqual("test.dom.com", metadata["display_name"])
self.assertEqual("instance-00000001", metadata["name"])
self.assertEqual("a75c2fa5-6c03-45a8-bbf7-b993cfcdec27",
metadata["instance_id"])
self.assertEqual("m1.tiny", metadata["instance_type"])
self.assertEqual(
"4d0bc931ea7f0513da2efd9acb4cf3a273c64b7bcc544e15c070e662",
metadata["host"])
self.assertEqual(self.CONF.host, metadata["instance_host"])
self.assertEqual("active", metadata["status"])
self.assertEqual("running", metadata["state"])
self.assertEqual("hvm", metadata["os_type"])
self.assertEqual("x86_64", metadata["architecture"])
