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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# Copyright (c) 2010 Citrix Systems, Inc.
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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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# http://www.apache.org/licenses/LICENSE-2.0
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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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from nova import flags
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from nova.virt import fake
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from nova.virt import libvirt_conn
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from nova.virt import xenapi
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def get_connection(read_only=False):
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# TODO(termie): maybe lazy load after initial check for permissions
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# TODO(termie): check whether we can be disconnected
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t = FLAGS.connection_type
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conn = fake.get_connection(read_only)
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conn = libvirt_conn.get_connection(read_only)
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conn = xenapi.get_connection(read_only)
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raise Exception('Unknown connection type "%s"' % t)
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logging.error('Failed to open connection to the hypervisor')
added
removed
nova/virt/connection.py
