def register(node_id=None, node_type=None, name=None):
"""
Adds a Node with a given node_id to the model
:param node_id: ID of the ALBA node
:type node_id: str
:param node_type: Type of the node to create
:type node_type: str
:param name: Optional name of the node
:type name: str
:return: None
:rtype: NoneType
"""
# Generic is a special case. Nothing is registered within config mgmt
if node_type == AlbaNode.NODE_TYPES.GENERIC:
node = AlbaNode()
node.name = name
node.node_id = ''.join(
random.choice(string.ascii_letters + string.digits)
for _ in range(32))
node.type = AlbaNode.NODE_TYPES.GENERIC
node.save()
else:
# Both S3 and ASD type can be added now
if node_id is None:
raise RuntimeError('A node_id must be given for type ASD/S3')
node = AlbaNodeList.get_albanode_by_node_id(
node_id) or AlbaNodeController.get_discovered_node(node_id)
if not node:
# No node could be found in the model or within the discovered nodes. User might have specified the ID
# of a node that does not exist
raise RuntimeError(
'No node with node_id {0} was found'.format(node_id))
data = node.client.get_metadata()
if data['_success'] is False and data[
'_error'] == 'Invalid credentials':
raise RuntimeError('Invalid credentials')
if data['node_id'] != node_id:
AlbaNodeController._logger.error(
'Unexpected node_id: {0} vs {1}'.format(
data['node_id'], node_id))
raise RuntimeError('Unexpected node identifier')
if node.type == AlbaNode.NODE_TYPES.S3:
# The transaction Arakoon is needed. This wil check deployment & extend
AlbaArakoonController.configure_s3_transaction_cluster()
node.volatile = False
node.save()
AlbaController.checkup_maintenance_agents.delay()
