def clear_node_owner(self, context):
"""Remove Node Driver ownership set for a Node
Given a NodeContext, this method removes the Node owner mapping in DB.
This method is used when we want to perform a disruptive chain update
by deleting and recreating the Node instances
"""
model.unset_node_owner(context)
def clear_node_owner(self, context):
"""Remove Node Driver ownership set for a Node
Given a NodeContext, this method removes the Node owner mapping in DB.
This method is used when we want to perform a disruptive chain update
by deleting and recreating the Node instances
"""
model.unset_node_owner(context)
def schedule_destroy(self, context):
"""Schedule Node Driver for Node disruption.
Given a NodeContext, this method returns the driver capable of
destroying the specific node.
"""
driver = self.get_owning_driver(context)
if driver:
model.unset_node_owner(context)
return driver
def schedule_destroy(self, context):
"""Schedule Node Driver for Node disruption.
Given a NodeContext, this method returns the driver capable of
destroying the specific node.
"""
driver = self.get_owning_driver(context)
if driver:
model.unset_node_owner(context)
return driver
