def add_instance(self, instance):
self.assert_instance(instance)
try:
super(ModelRoot, self).add_node(instance.uuid, attr=instance)
except nx.NetworkXError as exc:
LOG.exception(exc)
raise exception.InstanceNotFound(name=instance.uuid)
def get_node_by_instance_uuid(self, instance_uuid):
"""Getting host information from the guest instance
:param instance_uuid: the uuid of the instance
:return: node
"""
if str(instance_uuid) not in self.mapping.instance_mapping:
raise exception.InstanceNotFound(name=instance_uuid)
return self.get_node_by_uuid(
self.mapping.instance_mapping[str(instance_uuid)])
def abort(self):
nova = nova_helper.NovaHelper(osc=self.osc)
instance = nova.find_instance(self.instance_uuid)
if instance:
if self.migration_type == self.COLD_MIGRATION:
return self._abort_cold_migrate(nova)
elif self.migration_type == self.LIVE_MIGRATION:
return self._abort_live_migrate(
nova, source=self.source_node,
destination=self.destination_node)
else:
raise exception.InstanceNotFound(name=self.instance_uuid)
def migrate(self, destination):
nova = nova_helper.NovaHelper(osc=self.osc)
LOG.debug("Migrate instance %s to %s", self.instance_uuid, destination)
instance = nova.find_instance(self.instance_uuid)
if instance:
if self.migration_type == 'live':
return nova.live_migrate_instance(
instance_id=self.instance_uuid, dest_hostname=destination)
else:
raise exception.Invalid(
message=(_('Migration of type %(migration_type)s is not '
'supported.') % {
'migration_type': self.migration_type
}))
else:
raise exception.InstanceNotFound(name=self.instance_uuid)
def migrate(self, destination):
nova = nova_helper.NovaHelper(osc=self.osc)
LOG.debug("Migrate instance %s to %s", self.instance_uuid, destination)
instance = nova.find_instance(self.instance_uuid)
if instance:
if self.migration_type == self.LIVE_MIGRATION:
return self._live_migrate_instance(nova, destination)
elif self.migration_type == self.COLD_MIGRATION:
return self._cold_migrate_instance(nova, destination)
else:
raise exception.Invalid(
message=(_("Migration of type '%(migration_type)s' is not "
"supported.") % {
'migration_type': self.migration_type
}))
else:
raise exception.InstanceNotFound(name=self.instance_uuid)
def test_legacy_instance_update_instance_notfound_creates(self):
compute_model = self.fake_cdmc.generate_scenario_3_with_2_nodes()
self.fake_cdmc.cluster_data_model = compute_model
handler = novanotification.LegacyInstanceUpdated(self.fake_cdmc)
instance0_uuid = '73b09e16-35b7-4922-804e-e8f5d9b740fc'
message = self.load_message('scenario3_legacy_instance-update.json')
with mock.patch.object(
model_root.ModelRoot,
'get_instance_by_uuid') as m_get_instance_by_uuid:
m_get_instance_by_uuid.side_effect = exception.InstanceNotFound(
name='TEST')
handler.info(
ctxt=self.context,
publisher_id=message['publisher_id'],
event_type=message['event_type'],
payload=message['payload'],
metadata=self.FAKE_METADATA,
)
instance0 = compute_model.get_instance_by_uuid(instance0_uuid)
self.assertEqual(element.InstanceState.PAUSED.value, instance0.state)
def get_instance_by_uuid(self, uuid):
try:
return self._get_by_uuid(uuid)
except exception.ComputeResourceNotFound:
raise exception.InstanceNotFound(name=uuid)
def get_vm_from_id(self, uuid):
if str(uuid) not in self._vms.keys():
raise exception.InstanceNotFound(name=uuid)
return self._vms[str(uuid)]
def get_instance_by_uuid(self, uuid):
if str(uuid) not in self._instances:
raise exception.InstanceNotFound(name=uuid)
return self._instances[str(uuid)]
