33974ed47a
Refactor get_iscsi_initiator to a common location so that other drivers can use it, without reaching into virt/libvirt. This patch updates the current baremetal volume driver to the new shared location. Change-Id: I30539f4bb917e486739f797bb6a9579e1cdffd22
35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
# Copyright 2014 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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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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Volume utilities for virt drivers.
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"""
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from nova import exception
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from nova import utils
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def get_iscsi_initiator():
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"""Get iscsi initiator name for this machine."""
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# NOTE(vish) openiscsi stores initiator name in a file that
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# needs root permission to read.
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try:
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contents = utils.read_file_as_root('/etc/iscsi/initiatorname.iscsi')
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except exception.FileNotFound:
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return None
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for l in contents.split('\n'):
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if l.startswith('InitiatorName='):
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return l[l.index('=') + 1:].strip()
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