def remove_node(node_guid):
"""
Removes an ALBA node
:param node_guid: Guid of the ALBA node to remove
:type node_guid: str
:return: None
"""
node = AlbaNode(node_guid)
for disk in node.disks:
for osd in disk.osds:
AlbaNodeController.remove_asd(node_guid=osd.alba_disk.alba_node_guid, asd_id=osd.osd_id, expected_safety=None)
AlbaNodeController.remove_disk(node_guid=disk.alba_node_guid, device_alias=disk.aliases[0])
try:
for service_name in node.client.list_maintenance_services():
node.client.remove_maintenance_service(service_name)
except (requests.ConnectionError, requests.Timeout):
AlbaNodeController._logger.exception('Could not connect to node {0} to retrieve the maintenance services'.format(node.guid))
except InvalidCredentialsError:
AlbaNodeController._logger.warning('Failed to retrieve the maintenance services for ALBA node {0}'.format(node.node_id))
if Configuration.dir_exists('/ovs/alba/asdnodes/{0}'.format(node.node_id)):
Configuration.delete('/ovs/alba/asdnodes/{0}'.format(node.node_id))
node.delete()
def remove_node(node_guid):
"""
Removes an ALBA node
:param node_guid: Guid of the ALBA node to remove
:type node_guid: str
:return: None
:rtype: NoneType
"""
node = AlbaNode(node_guid)
if node.type == AlbaNode.NODE_TYPES.ASD:
for slot_id, slot_info in node.stack.iteritems():
for osd_id, osd_info in slot_info['osds'].iteritems():
if AlbaOSDList.get_by_osd_id(osd_id=osd_id) is not None:
AlbaNodeController.remove_osd(node_guid=node.guid,
osd_id=osd_id,
expected_safety=None)
if slot_info['available'] is False:
AlbaNodeController.remove_slot(node_guid=node.guid,
slot_id=slot_id)
name_guid_map = dict(
(alba_backend.name, alba_backend.guid)
for alba_backend in AlbaBackendList.get_albabackends())
try:
# This loop will delete the services AND their configuration from the configuration management
node.invalidate_dynamics('maintenance_services')
for alba_backend_name, service_info in node.maintenance_services.iteritems(
):
for service_name, status in service_info:
node.client.remove_maintenance_service(
name=service_name,
alba_backend_guid=name_guid_map.get(
alba_backend_name))
except (requests.ConnectionError, requests.Timeout):
AlbaNodeController._logger.exception(
'Could not connect to node {0} to retrieve the maintenance services'
.format(node.guid))
except InvalidCredentialsError:
AlbaNodeController._logger.warning(
'Failed to retrieve the maintenance services for ALBA node {0}'
.format(node.node_id))
node.delete()
for alba_backend in AlbaBackendList.get_albabackends():
alba_backend.invalidate_dynamics(['live_status'])
alba_backend.backend.invalidate_dynamics(['live_status'])
AlbaController.checkup_maintenance_agents.delay()
