Source code for ironic.conductor.verify
# 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.
"""Functionality related to verify steps."""
from oslo_log import log
from ironic.common import exception
from ironic.common.i18n import _
from ironic.common import states
from ironic.conductor import notification_utils as notify_utils
from ironic.conductor import steps as conductor_steps
from ironic.conductor import task_manager
from ironic.conductor import utils
LOG = log.getLogger(__name__)
[docs]
@task_manager.require_exclusive_lock
def do_node_verify(task):
"""Internal method to perform power credentials verification."""
node = task.node
LOG.debug('Starting power credentials verification for node %s',
node.uuid)
error = None
try:
task.driver.power.validate(task)
except Exception as e:
error = (_('Failed to validate power driver interface for node '
'%(node)s. Error: %(msg)s') %
{'node': node.uuid, 'msg': e})
log_traceback = not isinstance(e, exception.IronicException)
LOG.error(error, exc_info=log_traceback)
else:
try:
power_state = task.driver.power.get_power_state(task)
except Exception as e:
error = (_('Failed to get power state for node '
'%(node)s. Error: %(msg)s') %
{'node': node.uuid, 'msg': e})
log_traceback = not isinstance(e, exception.IronicException)
LOG.error(error, exc_info=log_traceback)
verify_steps = conductor_steps._get_verify_steps(task,
enabled=True,
sort=True)
for step in verify_steps:
interface = getattr(task.driver, step.get('interface'))
LOG.info('Executing %(step)s on node %(node)s',
{'step': step, 'node': node.uuid})
try:
interface.execute_verify_step(task, step)
except Exception as e:
error = ('Node %(node)s failed verify step %(step)s '
'with unexpected error: %(err)s' %
{'node': node.uuid, 'step': step['step'],
'err': e})
utils.verifying_error_handler(
task, error,
_("Failed to verify: %s") % e,
traceback=True)
if error is None:
# NOTE(janders) this can eventually move to driver-specific
# verify steps, will leave this for a follow-up change.
utils.node_update_cache(task)
if power_state != node.power_state:
old_power_state = node.power_state
node.power_state = power_state
task.process_event('done')
notify_utils.emit_power_state_corrected_notification(
task, old_power_state)
else:
task.process_event('done')
LOG.info('Successfully verified node %(node)s',
{'node': node.uuid})
else:
utils.node_history_record(task.node, event=error,
event_type=states.VERIFY,
error=True,
user=task.context.user_id)
task.process_event('fail')