63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from nailgun.objects.serializers.node_group import NodeGroupSerializer
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from nailgun.db import db
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from nailgun.db.sqlalchemy import models
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from nailgun import errors
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from nailgun.extensions import fire_callback_on_nodegroup_create
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from nailgun.extensions import fire_callback_on_nodegroup_delete
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from nailgun.objects import Cluster
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from nailgun.objects import NailgunCollection
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from nailgun.objects import NailgunObject
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class NodeGroup(NailgunObject):
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model = models.NodeGroup
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serializer = NodeGroupSerializer
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@classmethod
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def create(cls, data):
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new_group = super(NodeGroup, cls).create(data)
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cluster = Cluster.get_by_uid(new_group.cluster_id)
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try:
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fire_callback_on_nodegroup_create(new_group)
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except errors.CannotCreate:
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db().delete(new_group)
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db().flush()
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db().refresh(cluster)
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return new_group
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@classmethod
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def delete(cls, instance):
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fire_callback_on_nodegroup_delete(instance)
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super(NodeGroup, cls).delete(instance)
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class NodeGroupCollection(NailgunCollection):
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single = NodeGroup
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@classmethod
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def get_by_cluster_id(cls, cluster_id):
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if not cluster_id:
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return cls.filter_by(None, cluster_id=None)
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return cls.filter_by(None, cluster_id=cluster_id)
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