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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import contextlib
from oslo_config import cfg
from oslo_log import log
from oslo_messaging import exceptions as oslo_msg_exc
from oslo_utils import excutils
from oslo_versionedobjects import exception as oslo_vo_exc
from ironic.common import exception
from ironic.common.i18n import _
from ironic.objects import allocation as allocation_objects
from ironic.objects import chassis as chassis_objects
from ironic.objects import deploy_template as deploy_template_objects
from ironic.objects import fields
from ironic.objects import node as node_objects
from ironic.objects import notification
from ironic.objects import port as port_objects
from ironic.objects import portgroup as portgroup_objects
from ironic.objects import volume_connector as volume_connector_objects
from ironic.objects import volume_target as volume_target_objects
LOG = log.getLogger(__name__)
CONF = cfg.CONF
CRUD_NOTIFY_OBJ = {
'allocation': (allocation_objects.AllocationCRUDNotification,
allocation_objects.AllocationCRUDPayload),
'chassis': (chassis_objects.ChassisCRUDNotification,
chassis_objects.ChassisCRUDPayload),
'deploytemplate': (deploy_template_objects.DeployTemplateCRUDNotification,
deploy_template_objects.DeployTemplateCRUDPayload),
'node': (node_objects.NodeCRUDNotification,
node_objects.NodeCRUDPayload),
'port': (port_objects.PortCRUDNotification,
port_objects.PortCRUDPayload),
'portgroup': (portgroup_objects.PortgroupCRUDNotification,
portgroup_objects.PortgroupCRUDPayload),
'volumeconnector':
(volume_connector_objects.VolumeConnectorCRUDNotification,
volume_connector_objects.VolumeConnectorCRUDPayload),
'volumetarget':
(volume_target_objects.VolumeTargetCRUDNotification,
volume_target_objects.VolumeTargetCRUDPayload),
}
def _emit_api_notification(context, obj, action, level, status, **kwargs):
"""Helper for emitting API notifications.
:param context: request context.
:param obj: resource rpc object.
:param action: Action string to go in the EventType.
:param level: Notification level. One of
`ironic.objects.fields.NotificationLevel.ALL`
:param status: Status to go in the EventType. One of
`ironic.objects.fields.NotificationStatus.ALL`
:param kwargs: kwargs to use when creating the notification payload.
"""
resource = obj.__class__.__name__.lower()
extra_args = kwargs
try:
try:
if action == 'maintenance_set':
notification_method = node_objects.NodeMaintenanceNotification
payload_method = node_objects.NodePayload
elif resource not in CRUD_NOTIFY_OBJ:
notification_name = payload_name = _("is not defined")
raise KeyError(_("Unsupported resource: %s") % resource)
else:
notification_method, payload_method = CRUD_NOTIFY_OBJ[resource]
notification_name = notification_method.__name__
payload_name = payload_method.__name__
finally:
# Prepare our exception message just in case
exception_values = {"resource": resource,
"uuid": obj.uuid,
"action": action,
"status": status,
"level": level,
"notification_method": notification_name,
"payload_method": payload_name}
exception_message = (_("Failed to send baremetal.%(resource)s."
"%(action)s.%(status)s notification for "
"%(resource)s %(uuid)s with level "
"%(level)s, notification method "
"%(notification_method)s, payload method "
"%(payload_method)s, error %(error)s"))
payload = payload_method(obj, **extra_args)
if resource == 'node':
notification.mask_secrets(payload)
notification_method(
publisher=notification.NotificationPublisher(
service='ironic-api', host=CONF.host),
event_type=notification.EventType(
object=resource, action=action, status=status),
level=level,
payload=payload).emit(context)
except (exception.NotificationSchemaObjectError,
exception.NotificationSchemaKeyError,
exception.NotificationPayloadError,
oslo_msg_exc.MessageDeliveryFailure,
oslo_vo_exc.VersionedObjectsException) as e:
exception_values['error'] = e
LOG.warning(exception_message, exception_values)
except Exception as e:
exception_values['error'] = e
LOG.exception(exception_message, exception_values)
def emit_start_notification(context, obj, action, **kwargs):
"""Helper for emitting API 'start' notifications.
:param context: request context.
:param obj: resource rpc object.
:param action: Action string to go in the EventType.
:param kwargs: kwargs to use when creating the notification payload.
"""
_emit_api_notification(context, obj, action,
fields.NotificationLevel.INFO,
fields.NotificationStatus.START,
**kwargs)
@contextlib.contextmanager
def handle_error_notification(context, obj, action, **kwargs):
"""Context manager to handle any error notifications.
:param context: request context.
:param obj: resource rpc object.
:param action: Action string to go in the EventType.
:param kwargs: kwargs to use when creating the notification payload.
"""
try:
yield
except Exception:
with excutils.save_and_reraise_exception():
_emit_api_notification(context, obj, action,
fields.NotificationLevel.ERROR,
fields.NotificationStatus.ERROR,
**kwargs)
def emit_end_notification(context, obj, action, **kwargs):
"""Helper for emitting API 'end' notifications.
:param context: request context.
:param obj: resource rpc object.
:param action: Action string to go in the EventType.
:param kwargs: kwargs to use when creating the notification payload.
"""
_emit_api_notification(context, obj, action,
fields.NotificationLevel.INFO,
fields.NotificationStatus.END,
**kwargs)
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