49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 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.db import db
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from .. import models
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class UpgradeRelationObject(object):
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@staticmethod
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def _query_cluster_relations(cluster_id):
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return db.query(models.UpgradeRelation).filter(
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(models.UpgradeRelation.orig_cluster_id == cluster_id) |
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(models.UpgradeRelation.seed_cluster_id == cluster_id))
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@classmethod
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def get_cluster_relation(cls, cluster_id):
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return cls._query_cluster_relations(cluster_id).first()
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@classmethod
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def delete_relation(cls, cluster_id):
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cls._query_cluster_relations(cluster_id).delete()
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@classmethod
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def is_cluster_in_upgrade(cls, cluster_id):
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query = cls._query_cluster_relations(cluster_id).exists()
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return db.query(query).scalar()
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@classmethod
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def create_relation(cls, orig_cluster_id, seed_cluster_id):
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relation = models.UpgradeRelation(
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orig_cluster_id=orig_cluster_id,
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seed_cluster_id=seed_cluster_id)
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db.add(relation)
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db.flush()
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