c640ada0cb
Part 2 of 6: blueprint general-bare-metal-provisioning-framework In baremetal provisioning, one nova-compute manages multiple bare-metal machines. A bare-metal machine does not run openstack at all. Previously, bare-metal provisioning used text files to store information of bare-metal machines. In this patch, a MySQL database is used to store the information. We target only MySQL database. The DB is designed to support PXE/non-PXE booting methods, heterogeneous hypervisor types, and architectures. Using a MySQL database makes maintenance and upgrades easier than using text files. The DB for bare-metal machines is implemented as a separate DB from the main Nova DB. The DB can be on any machines/places. The location of the DB and its server needs to be specified as a flag in the nova.conf file (as in the case of glance). There are a couple of reasons for this approach. First, the information needed for bare-metal machines is different from that for non-bare-metal machines. With a separate database for bare-metal machines, the database can be customized without affecting the main Nova DB. Second, fault tolerance can be embedded in nova-compute. Since one nova-compute manages multiple bare-metal machines, fault tolerance of a nova-compute node is very important. With a separate DB for bare-metal machines, fault-tolerance can be achieved independently from the main Nova DB. Replication of the bare-metal DB and implementation of fault-tolerance are not part of this patch. The implementation models nova and its DB as much as possible. The bare-metal driver must be upgraded to use this DB. Change-Id: I7b7ba1903a672a50c567f95fc6554d119463b0c5 Co-authored-by: Mikyung Kang <mkkang@isi.edu> Co-authored-by: David Kang <dkang@isi.edu> Co-authored-by: Ken Igarashi <igarashik@nttdocomo.co.jp> Co-authored-by: Arata Notsu <notsu@virtualtech.jp>
48 lines
1.9 KiB
Python
48 lines
1.9 KiB
Python
# Copyright (c) 2012 NTT DOCOMO, INC.
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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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Bare-metal DB testcase for BareMetalInterface
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"""
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from nova import exception
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from nova.tests.baremetal.db import base
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from nova.virt.baremetal import db
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class BareMetalInterfaceTestCase(base.BMDBTestCase):
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def test_unique_address(self):
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pif1_id = db.bm_interface_create(self.context, 1, '11:11:11:11:11:11',
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'0x1', 1)
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self.assertRaises(exception.DBError,
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db.bm_interface_create,
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self.context, 2, '11:11:11:11:11:11', '0x2', 2)
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# succeed after delete pif1
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db.bm_interface_destroy(self.context, pif1_id)
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pif2_id = db.bm_interface_create(self.context, 2, '11:11:11:11:11:11',
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'0x2', 2)
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self.assertTrue(pif2_id is not None)
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def test_unique_vif_uuid(self):
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pif1_id = db.bm_interface_create(self.context, 1, '11:11:11:11:11:11',
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'0x1', 1)
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pif2_id = db.bm_interface_create(self.context, 2, '22:22:22:22:22:22',
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'0x2', 2)
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db.bm_interface_set_vif_uuid(self.context, pif1_id, 'AAAA')
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self.assertRaises(exception.DBError,
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db.bm_interface_set_vif_uuid,
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self.context, pif2_id, 'AAAA')
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