Allow deleting nodes with a broken driver

The only reason we need a driver is to stop serial console. Only try
to load the driver in this case.

Change-Id: I5a4e0a40659042087b7a466baae0a8c3dc136211
This commit is contained in:
Dmitry Tantsur 2020-07-07 12:37:08 +02:00
parent 3c47122f36
commit 5332588152
4 changed files with 30 additions and 0 deletions

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@ -1988,6 +1988,7 @@ class ConductorManager(base_manager.BaseConductorManager):
# we would disallow it otherwise. That's done for recovering hopelessly
# broken nodes (e.g. with broken BMC).
with task_manager.acquire(context, node_id,
load_driver=False,
purpose='node deletion') as task:
node = task.node
if not node.maintenance and node.instance_uuid is not None:
@ -2022,6 +2023,17 @@ class ConductorManager(base_manager.BaseConductorManager):
if node.console_enabled:
notify_utils.emit_console_notification(
task, 'console_set', fields.NotificationStatus.START)
try:
task.load_driver()
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception('Could not load the driver for node %s '
'to shut down its console', node.uuid)
notify_utils.emit_console_notification(
task, 'console_set',
fields.NotificationStatus.ERROR)
try:
task.driver.console.stop_console(task)
except Exception as err:

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@ -253,6 +253,10 @@ class TaskManager(object):
self.fsm.initialize(start_state=self.node.provision_state,
target_state=self.node.target_provision_state)
def load_driver(self):
if self.driver is None:
self.driver = driver_factory.build_driver_for_task(self)
def _lock(self):
self._debug_timer.restart()

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@ -3609,6 +3609,15 @@ class DestroyNodeTestCase(mgr_utils.ServiceSetUpMixin, db_base.DbTestCase):
self.service.destroy_node(self.context, node.uuid)
self.assertFalse(mock_power.called)
def test_destroy_node_broken_driver(self):
node = obj_utils.create_test_node(self.context,
power_interface='broken')
self._start_service()
self.service.destroy_node(self.context, node.uuid)
self.assertRaises(exception.NodeNotFound,
self.dbapi.get_node_by_uuid,
node.uuid)
@mgr_utils.mock_record_keepalive
class CreatePortTestCase(mgr_utils.ServiceSetUpMixin, db_base.DbTestCase):

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@ -0,0 +1,5 @@
---
fixes:
- |
Allows deleting nodes with a broken driver unless they require stopping
serial console.