def get_cluster_template_by_uuid(self, context, cluster_template_uuid):
query = model_query(models.ClusterTemplate)
query = self._add_tenant_filters(context, query)
public_q = model_query(models.ClusterTemplate).filter_by(public=True)
query = query.union(public_q)
query = query.filter_by(uuid=cluster_template_uuid)
try:
return query.one()
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_uuid)
def get_baymodel_by_name(self, context, baymodel_name):
query = model_query(models.BayModel)
query = self._add_tenant_filters(context, query)
public_q = model_query(models.BayModel).filter_by(public=True)
query = query.union(public_q)
query = query.filter_by(name=baymodel_name)
try:
return query.one()
except MultipleResultsFound:
raise exception.Conflict('Multiple baymodels exist with same name.'
' Please use the baymodel uuid instead.')
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=baymodel_name)
def get_cluster_template_by_name(self, context, cluster_template_name):
query = model_query(models.ClusterTemplate)
query = self._add_tenant_filters(context, query)
public_q = model_query(models.ClusterTemplate).filter_by(public=True)
query = query.union(public_q)
query = query.filter_by(name=cluster_template_name)
try:
return query.one()
except MultipleResultsFound:
raise exception.Conflict('Multiple ClusterTemplates exist with'
' same name. Please use the '
'ClusterTemplate uuid instead.')
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_name)
def destroy_baymodel(self, baymodel_id):
session = get_session()
with session.begin():
query = model_query(models.BayModel, session=session)
query = add_identity_filter(query, baymodel_id)
try:
baymodel_ref = query.one()
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=baymodel_id)
if self._is_baymodel_referenced(session, baymodel_ref['uuid']):
raise exception.ClusterTemplateReferenced(
clustertemplate=baymodel_id)
query.delete()
def _do_update_cluster_template(self, cluster_template_id, values):
session = get_session()
with session.begin():
query = model_query(models.ClusterTemplate, session=session)
query = add_identity_filter(query, cluster_template_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_id)
if self._is_cluster_template_referenced(session, ref['uuid']):
# we only allow to update ClusterTemplate to be public
if not self._is_publishing_cluster_template(values):
raise exception.ClusterTemplateReferenced(
clustertemplate=cluster_template_id)
ref.update(values)
return ref
def _do_update_cluster_template(self, cluster_template_id, values):
session = get_session()
with session.begin():
query = model_query(models.ClusterTemplate, session=session)
query = add_identity_filter(query, cluster_template_id)
try:
ref = query.with_for_update().one()
except NoResultFound:
raise exception.ClusterTemplateNotFound(
clustertemplate=cluster_template_id)
if self._is_cluster_template_referenced(session, ref['uuid']):
# NOTE(flwang): We only allow to update ClusterTemplate to be
# public, hidden and rename
if (not self._is_publishing_cluster_template(values) and
list(six.viewkeys(values)) != ["name"]):
raise exception.ClusterTemplateReferenced(
clustertemplate=cluster_template_id)
ref.update(values)
return ref
