def obj_load_attr(self, attrname):
if attrname not in LAZY_LOADED_ATTRS:
raise exception.ObjectError(action='obj_load_attr',
obj_name=self.name,
obj_id=self.uuid,
reason='unable to lazy-load %s' %
attrname)
self['cluster_template'] = ClusterTemplate.get_by_uuid(
self._context, self.cluster_template_id)
self.obj_reset_changes(['cluster_template'])
def _from_db_object(cluster, db_cluster):
"""Converts a database entity to a formal object."""
for field in cluster.fields:
if field != 'cluster_template':
cluster[field] = db_cluster[field]
# Note(eliqiao): The following line needs to be placed outside the
# loop because there is a dependency from cluster_template to
# cluster_template_id. The cluster_template_id must be populated
# first in the loop before it can be used to find the cluster_template.
cluster['cluster_template'] = ClusterTemplate.get_by_uuid(
cluster._context, cluster.cluster_template_id)
cluster.obj_reset_changes()
return cluster
def _from_db_object(cluster, db_cluster):
"""Converts a database entity to a formal object."""
for field in cluster.fields:
if field != 'cluster_template':
cluster[field] = db_cluster[field]
# Note(eliqiao): The following line needs to be placed outside the
# loop because there is a dependency from cluster_template to
# cluster_template_id. The cluster_template_id must be populated
# first in the loop before it can be used to find the cluster_template.
cluster['cluster_template'] = ClusterTemplate.get_by_uuid(
cluster._context, cluster.cluster_template_id)
cluster.obj_reset_changes()
return cluster