A service for managing and provisioning Bare Metal servers.
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ironic/ironic/conductor/notification_utils.py

178 lines
7.3 KiB

# 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.
from oslo_config import cfg
from oslo_log import log
from oslo_messaging import exceptions as oslo_msg_exc
from oslo_versionedobjects import exception as oslo_vo_exc
from ironic.common import exception
from ironic.common.i18n import _
from ironic.objects import fields
from ironic.objects import node as node_objects
from ironic.objects import notification
LOG = log.getLogger(__name__)
CONF = cfg.CONF
def _emit_conductor_node_notification(task, notification_method,
payload_method, action,
level, status, **kwargs):
"""Helper for emitting a conductor notification about a node.
:param task: a TaskManager instance.
:param notification_method: Constructor for the notification itself.
:param payload_method: Constructor for the notification payload. Node
should be first argument of the method.
: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.
Passed to the payload_method.
"""
try:
# Prepare our exception message just in case
exception_values = {"node": task.node.uuid,
"action": action,
"status": status,
"level": level,
"notification_method":
notification_method.__name__,
"payload_method": payload_method.__name__}
exception_message = (_("Failed to send baremetal.node."
"%(action)s.%(status)s notification for node "
"%(node)s with level %(level)s, "
"notification_method %(notification_method)s, "
"payload_method %(payload_method)s, error "
"%(error)s"))
payload = payload_method(task.node, **kwargs)
notification.mask_secrets(payload)
notification_method(
publisher=notification.NotificationPublisher(
service='ironic-conductor', host=CONF.host),
event_type=notification.EventType(
object='node', action=action, status=status),
level=level,
payload=payload).emit(task.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:
# NOTE(mariojv) For unknown exceptions, also log the traceback.
exception_values['error'] = e
LOG.exception(exception_message, exception_values)
def emit_power_set_notification(task, level, status, to_power):
"""Helper for conductor sending a set power state notification.
:param task: a TaskManager instance.
: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.SUCCESS` or ERROR.
ERROR indicates that ironic-conductor couldn't retrieve the
power state for this node, or that it couldn't set the power
state of the node.
:param to_power: the power state the conductor is
attempting to set on the node. This is used
instead of the node's target_power_state
attribute since the "baremetal.node.power_set.start"
notification is sent early, before target_power_state
is set on the node.
"""
_emit_conductor_node_notification(
task,
node_objects.NodeSetPowerStateNotification,
node_objects.NodeSetPowerStatePayload,
'power_set',
level,
status,
to_power=to_power
)
def emit_power_state_corrected_notification(task, from_power):
"""Helper for conductor sending a node power state corrected notification.
When ironic detects that the actual power state on a bare metal hardware
is different from the power state on an ironic node (DB), the ironic
node's power state is corrected to be that of the bare metal hardware.
A notification is emitted about this after the database is updated to
reflect this correction.
:param task: a TaskManager instance.
:param from_power: the power state of the node before this change was
detected
"""
_emit_conductor_node_notification(
task,
node_objects.NodeCorrectedPowerStateNotification,
node_objects.NodeCorrectedPowerStatePayload,
'power_state_corrected',
fields.NotificationLevel.INFO,
fields.NotificationStatus.SUCCESS,
from_power=from_power
)
def emit_provision_set_notification(task, level, status, prev_state,
prev_target, event):
"""Helper for conductor sending a set provision state notification.
:param task: a TaskManager instance.
:param level: One of fields.NotificationLevel.
:param status: One of fields.NotificationStatus.
:param prev_state: Previous provision state.
:param prev_target: Previous target provision state.
:param event: FSM event that triggered provision state change.
"""
_emit_conductor_node_notification(
task,
node_objects.NodeSetProvisionStateNotification,
node_objects.NodeSetProvisionStatePayload,
'provision_set', level, status,
prev_state=prev_state,
prev_target=prev_target,
event=event
)
def emit_console_notification(task, action, status):
"""Helper for conductor sending a set console state notification.
:param task: a TaskManager instance.
:param action: Action string to go in the EventType. Must be either
'console_set' or 'console_restore'.
:param status: One of `ironic.objects.fields.NotificationStatus.START`,
END or ERROR.
"""
if status == fields.NotificationStatus.ERROR:
level = fields.NotificationLevel.ERROR
else:
level = fields.NotificationLevel.INFO
_emit_conductor_node_notification(
task,
node_objects.NodeConsoleNotification,
node_objects.NodePayload,
action,
level,
status,
)