termie
42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2010 Citrix Systems, 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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"""
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Helper methods for operations related to the management of network
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records and their attributes like bridges, PIFs, QoS, as well as
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their lookup functions.
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"""
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class NetworkHelper():
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"""
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The class that wraps the helper methods together.
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"""
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def __init__(self):
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return
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@classmethod
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def find_network_with_bridge(cls, session, bridge):
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""" Return the network on which the bridge is attached, if found."""
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expr = 'field "bridge" = "%s"' % bridge
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networks = session.call_xenapi('network.get_all_records_where', expr)
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if len(networks) == 1:
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return networks.keys()[0]
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elif len(networks) > 1:
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raise Exception('Found non-unique network for bridge %s' % bridge)
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else:
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raise Exception('Found no network for bridge %s' % bridge)
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