def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.masakari_obj_get_changes()
if 'uuid' not in updates:
updates['uuid'] = uuidutils.generate_uuid()
LOG.debug('Generated uuid %(uuid)s for host',
dict(uuid=updates['uuid']))
if 'failover_segment' not in updates:
raise exception.ObjectActionError(action='create',
reason='failover segment '
'not assigned')
segment = updates.pop('failover_segment')
updates['failover_segment_id'] = segment.uuid
api_utils.notify_about_host_api(
self._context,
self,
action=fields.EventNotificationAction.HOST_CREATE,
phase=fields.EventNotificationPhase.START)
db_host = db.host_create(self._context, updates)
api_utils.notify_about_host_api(
self._context,
self,
action=fields.EventNotificationAction.HOST_CREATE,
phase=fields.EventNotificationPhase.END)
self._from_db_object(self._context, self, db_host)
def update_host(self, context, segment_uuid, id, host_data):
"""Update the host"""
host = objects.Host.get_by_uuid(context, id, segment_uuid=segment_uuid)
if is_failover_segment_under_recovery(host.failover_segment):
msg = _("Host %s can't be updated as "
"it is in-use to process notifications.") % host.uuid
LOG.error(msg)
raise exception.HostInUse(msg)
if 'name' in host_data:
self._is_valid_host_name(context, host_data.get('name'))
if 'on_maintenance' in host_data:
host_data['on_maintenance'] = strutils.bool_from_string(
host_data['on_maintenance'], strict=True)
if 'reserved' in host_data:
host_data['reserved'] = strutils.bool_from_string(
host_data['reserved'], strict=True)
try:
host.update(host_data)
host.save()
except Exception as e:
with excutils.save_and_reraise_exception():
tb = traceback.format_exc()
api_utils.notify_about_host_api(
context,
host,
action=fields.EventNotificationAction.HOST_UPDATE,
phase=fields.EventNotificationPhase.ERROR,
exception=e,
tb=tb)
return host
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.masakari_obj_get_changes()
if 'uuid' not in updates:
updates['uuid'] = uuidutils.generate_uuid()
LOG.debug('Generated uuid %(uuid)s for host',
dict(uuid=updates['uuid']))
if 'failover_segment' in updates:
raise exception.ObjectActionError(action='create',
reason='failover segment '
'assigned')
api_utils.notify_about_host_api(self._context, self,
action=fields.EventNotificationAction.HOST_CREATE,
phase=fields.EventNotificationPhase.START)
db_host = db.host_create(self._context, updates)
api_utils.notify_about_host_api(self._context, self,
action=fields.EventNotificationAction.HOST_CREATE,
phase=fields.EventNotificationPhase.END)
self._from_db_object(self._context, self, db_host)
def create_host(self, context, segment_uuid, host_data):
"""Create host"""
segment = objects.FailoverSegment.get_by_uuid(context, segment_uuid)
host = objects.Host(context=context)
# Populate host object for create
host.name = host_data.get('name')
host.failover_segment = segment
host.type = host_data.get('type')
host.control_attributes = host_data.get('control_attributes')
host.on_maintenance = strutils.bool_from_string(host_data.get(
'on_maintenance', False),
strict=True)
host.reserved = strutils.bool_from_string(host_data.get(
'reserved', False),
strict=True)
self._is_valid_host_name(context, host.name)
try:
host.create()
except Exception as e:
with excutils.save_and_reraise_exception():
tb = traceback.format_exc()
api_utils.notify_about_host_api(
context,
host,
action=fields.EventNotificationAction.HOST_CREATE,
phase=fields.EventNotificationPhase.ERROR,
exception=e,
tb=tb)
return host
def update_host(self, context, segment_uuid, id, host_data):
"""Update the host"""
segment = objects.FailoverSegment.get_by_uuid(context, segment_uuid)
host = objects.Host.get_by_uuid(context, id)
if is_failover_segment_under_recovery(segment):
msg = _("Host %s can't be updated as "
"it is in-use to process notifications.") % host.uuid
LOG.error(msg)
raise exception.HostInUse(msg)
if 'name' in host_data:
self._is_valid_host_name(context, host_data.get('name'))
if 'on_maintenance' in host_data:
host_data['on_maintenance'] = strutils.bool_from_string(
host_data['on_maintenance'], strict=True)
if 'reserved' in host_data:
host_data['reserved'] = strutils.bool_from_string(
host_data['reserved'], strict=True)
try:
host.update(host_data)
host.save()
except Exception as e:
with excutils.save_and_reraise_exception():
tb = traceback.format_exc()
api_utils.notify_about_host_api(context, host,
action=fields.EventNotificationAction.HOST_UPDATE,
phase=fields.EventNotificationPhase.ERROR, exception=e,
tb=tb)
return host
def create_host(self, context, segment_uuid, host_data):
"""Create host"""
segment = objects.FailoverSegment.get_by_uuid(context, segment_uuid)
host = objects.Host(context=context)
# Populate host object for create
host.name = host_data.get('name')
host.failover_segment_id = segment.uuid
host.type = host_data.get('type')
host.control_attributes = host_data.get('control_attributes')
host.on_maintenance = strutils.bool_from_string(
host_data.get('on_maintenance', False), strict=True)
host.reserved = strutils.bool_from_string(
host_data.get('reserved', False), strict=True)
self._is_valid_host_name(context, host.name)
try:
host.create()
except Exception as e:
with excutils.save_and_reraise_exception():
tb = traceback.format_exc()
api_utils.notify_about_host_api(context, host,
action=fields.EventNotificationAction.HOST_CREATE,
phase=fields.EventNotificationPhase.ERROR, exception=e,
tb=tb)
return host
def destroy(self):
if not self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='destroy',
reason='already destroyed')
if not self.obj_attr_is_set('uuid'):
raise exception.ObjectActionError(action='destroy',
reason='no uuid')
api_utils.notify_about_host_api(self._context, self,
action=fields.EventNotificationAction.HOST_DELETE,
phase=fields.EventNotificationPhase.START)
db.host_delete(self._context, self.uuid)
api_utils.notify_about_host_api(self._context, self,
action=fields.EventNotificationAction.HOST_DELETE,
phase=fields.EventNotificationPhase.END)
delattr(self, base.get_attrname('id'))
def save(self):
updates = self.masakari_obj_get_changes()
if 'failover_segment' in updates:
raise exception.ObjectActionError(action='save',
reason='failover segment '
'changed')
updates.pop('id', None)
api_utils.notify_about_host_api(self._context, self,
action=fields.EventNotificationAction.HOST_UPDATE,
phase=fields.EventNotificationPhase.START)
db_host = db.host_update(self._context, self.uuid, updates)
api_utils.notify_about_host_api(self._context, self,
action=fields.EventNotificationAction.HOST_UPDATE,
phase=fields.EventNotificationPhase.END)
self._from_db_object(self._context, self, db_host)
def delete_host(self, context, segment_uuid, id):
"""Delete the host"""
segment = objects.FailoverSegment.get_by_uuid(context, segment_uuid)
host = objects.Host.get_by_uuid(context, id, segment_uuid=segment_uuid)
if is_failover_segment_under_recovery(segment):
msg = _("Host %s can't be deleted as "
"it is in-use to process notifications.") % host.uuid
LOG.error(msg)
raise exception.HostInUse(msg)
try:
host.destroy()
except Exception as e:
with excutils.save_and_reraise_exception():
tb = traceback.format_exc()
api_utils.notify_about_host_api(context, host,
action=fields.EventNotificationAction.HOST_DELETE,
phase=fields.EventNotificationPhase.ERROR, exception=e,
tb=tb)
def test_notify_about_host_api(
self, mock_from_exception, mock_HostApiPayload,
mock_HostApiNotification, mock_NotificationPublisher, mock_EventType):
mock_fault = mock.Mock()
mock_from_exception.return_value = mock_fault
mock_payload = mock.Mock()
mock_HostApiPayload.return_value = mock_payload
mock_api_notification = mock.Mock()
mock_HostApiNotification.return_value = mock_api_notification
mock_api_notification.emit.return_value = None
mock_publisher = mock.Mock()
mock_NotificationPublisher.return_value = mock_publisher
mock_event_type = mock.Mock()
mock_EventType.return_value = mock_event_type
mock_context = mock.Mock()
host = host_obj.Host()
action = fields.EventNotificationAction.HOST_CREATE
phase = fields.EventNotificationPhase.ERROR
e = Exception()
api_utils.notify_about_host_api(mock_context, host, action=action,
phase=phase, exception=e)
mock_from_exception.assert_called_once_with(e, None)
mock_HostApiPayload.assert_called_once_with(
host=host, fault=mock_fault)
mock_HostApiNotification.assert_called_once_with(
context=mock_context,
priority=fields.EventNotificationPriority.ERROR,
publisher=mock_publisher,
event_type=mock_event_type,
payload=mock_payload)
mock_NotificationPublisher.assert_called_once_with(
context=mock_context, host=socket.gethostname(),
binary='masakari-api')
mock_api_notification.emit.assert_called_once_with(mock_context)
mock_EventType.assert_called_once_with(
action=action, phase=phase)
def destroy(self):
if not self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='destroy',
reason='already destroyed')
if not self.obj_attr_is_set('uuid'):
raise exception.ObjectActionError(action='destroy',
reason='no uuid')
api_utils.notify_about_host_api(
self._context,
self,
action=fields.EventNotificationAction.HOST_DELETE,
phase=fields.EventNotificationPhase.START)
db.host_delete(self._context, self.uuid)
api_utils.notify_about_host_api(
self._context,
self,
action=fields.EventNotificationAction.HOST_DELETE,
phase=fields.EventNotificationPhase.END)
delattr(self, base.get_attrname('id'))
def save(self):
updates = self.masakari_obj_get_changes()
if 'failover_segment' in updates:
raise exception.ObjectActionError(action='save',
reason='failover segment '
'changed')
updates.pop('id', None)
api_utils.notify_about_host_api(
self._context,
self,
action=fields.EventNotificationAction.HOST_UPDATE,
phase=fields.EventNotificationPhase.START)
db_host = db.host_update(self._context, self.uuid, updates)
api_utils.notify_about_host_api(
self._context,
self,
action=fields.EventNotificationAction.HOST_UPDATE,
phase=fields.EventNotificationPhase.END)
self._from_db_object(self._context, self, db_host)
