80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
# Copyright 2014 Hewlett-Packard Development Company, L.P.
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#
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# Authors: Davide Agnello <davide.agnello@hp.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Copyright [2014] Hewlett-Packard Development Company, L.P.
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# limitations under the License.
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from cue.db import api as db_api
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from cue.objects import base
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from cue.objects import utils as obj_utils
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class Node(base.CueObject):
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dbapi = db_api.get_instance()
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fields = {
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'id': obj_utils.str_or_none,
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'cluster_id': obj_utils.str_or_none,
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'instance_id': obj_utils.str_or_none,
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'flavor': obj_utils.str_or_none,
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'management_ip': obj_utils.str_or_none,
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'status': obj_utils.str_or_none,
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'created_at': obj_utils.datetime_or_str_or_none,
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'updated_at': obj_utils.datetime_or_str_or_none,
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'deleted_at': obj_utils.datetime_or_str_or_none,
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}
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@staticmethod
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def _from_db_object(node, db_node):
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"""Convert a database object to a universal node object."""
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for field in node.fields:
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node[field] = db_node[field]
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return node
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def update(self, context, node_id):
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"""Updates a database node object.
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:param context: The request context
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:param node_id:
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"""
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node_changes = self.obj_get_changes()
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self.dbapi.update_node(context, node_changes, node_id)
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@classmethod
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def get_nodes_by_cluster_id(cls, context, cluster_id):
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"""Returns a list of Node objects for specified cluster.
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:param context: request context object
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:param cluster_id: UUID of the cluster
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:returns: a list of :class:'Node' object
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"""
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db_nodes = cls.dbapi.get_nodes_in_cluster(context, cluster_id)
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return [Node._from_db_object(Node(), obj) for obj in db_nodes]
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@classmethod
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def get_node_by_id(cls, context, node_id):
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"""Returns a Node specified by it's id.
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:param context: request context object
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:param node_id: UUID of a node
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"""
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db_node = cls.dbapi.get_node_by_id(context, node_id)
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return Node._from_db_object(Node(), db_node)
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