160 lines
6.3 KiB
Python
160 lines
6.3 KiB
Python
# 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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"""Tests for manipulating compute nodes via the DB API"""
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from oslo_utils import uuidutils
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import six
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from zun.common import exception
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import zun.conf
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from zun.db import api as dbapi
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from zun.tests.unit.db import base
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from zun.tests.unit.db import utils
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CONF = zun.conf.CONF
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class DbComputeNodeTestCase(base.DbTestCase):
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def setUp(self):
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super(DbComputeNodeTestCase, self).setUp()
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def test_create_compute_node(self):
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utils.create_test_compute_node(context=self.context)
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def test_create_compute_node_already_exists(self):
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utils.create_test_compute_node(
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context=self.context, uuid='123')
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with self.assertRaisesRegex(exception.ComputeNodeAlreadyExists,
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'A compute node with UUID 123.*'):
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utils.create_test_compute_node(
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context=self.context, uuid='123')
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def test_get_compute_node_by_uuid(self):
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node = utils.create_test_compute_node(context=self.context)
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res = dbapi.get_compute_node(
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self.context, node.uuid)
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self.assertEqual(node.uuid, res.uuid)
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self.assertEqual(node.hostname, res.hostname)
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def test_get_compute_node_by_hostname(self):
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node = utils.create_test_compute_node(context=self.context)
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res = dbapi.get_compute_node_by_hostname(
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self.context, node.hostname)
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self.assertEqual(node.uuid, res.uuid)
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self.assertEqual(node.hostname, res.hostname)
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def test_get_compute_node_that_does_not_exist(self):
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self.assertRaises(exception.ComputeNodeNotFound,
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dbapi.get_compute_node,
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self.context,
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uuidutils.generate_uuid())
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def test_list_compute_nodes(self):
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uuids = []
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for i in range(1, 6):
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node = utils.create_test_compute_node(
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uuid=uuidutils.generate_uuid(),
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context=self.context,
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hostname='node' + str(i))
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uuids.append(six.text_type(node['uuid']))
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res = dbapi.list_compute_nodes(self.context)
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res_uuids = [r.uuid for r in res]
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self.assertEqual(sorted(uuids), sorted(res_uuids))
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def test_list_compute_nodes_sorted(self):
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uuids = []
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for i in range(5):
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node = utils.create_test_compute_node(
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uuid=uuidutils.generate_uuid(),
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context=self.context,
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hostname='node' + str(i))
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uuids.append(six.text_type(node.uuid))
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res = dbapi.list_compute_nodes(self.context, sort_key='uuid')
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res_uuids = [r.uuid for r in res]
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self.assertEqual(sorted(uuids), res_uuids)
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self.assertRaises(exception.InvalidParameterValue,
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dbapi.list_compute_nodes,
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self.context,
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sort_key='foo')
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def test_list_compute_nodes_with_filters(self):
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node1 = utils.create_test_compute_node(
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hostname='node-one',
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uuid=uuidutils.generate_uuid(),
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context=self.context)
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node2 = utils.create_test_compute_node(
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hostname='node-two',
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uuid=uuidutils.generate_uuid(),
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context=self.context)
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res = dbapi.list_compute_nodes(
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self.context, filters={'hostname': 'node-one'})
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self.assertEqual([node1.uuid], [r.uuid for r in res])
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res = dbapi.list_compute_nodes(
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self.context, filters={'hostname': 'node-two'})
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self.assertEqual([node2.uuid], [r.uuid for r in res])
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res = dbapi.list_compute_nodes(
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self.context, filters={'hostname': 'bad-node'})
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self.assertEqual([], [r.uuid for r in res])
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res = dbapi.list_compute_nodes(
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self.context,
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filters={'hostname': node1.hostname})
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self.assertEqual([node1.uuid], [r.uuid for r in res])
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def test_destroy_compute_node(self):
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node = utils.create_test_compute_node(context=self.context)
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dbapi.destroy_compute_node(self.context, node.uuid)
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self.assertRaises(exception.ComputeNodeNotFound,
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dbapi.get_compute_node,
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self.context, node.uuid)
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def test_destroy_compute_node_by_uuid(self):
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node = utils.create_test_compute_node(context=self.context)
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dbapi.destroy_compute_node(self.context, node.uuid)
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self.assertRaises(exception.ComputeNodeNotFound,
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dbapi.get_compute_node,
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self.context, node.uuid)
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def test_destroy_compute_node_that_does_not_exist(self):
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self.assertRaises(exception.ComputeNodeNotFound,
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dbapi.destroy_compute_node, self.context,
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uuidutils.generate_uuid())
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def test_update_compute_node(self):
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node = utils.create_test_compute_node(context=self.context)
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old_hostname = node.hostname
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new_hostname = 'new-hostname'
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self.assertNotEqual(old_hostname, new_hostname)
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res = dbapi.update_compute_node(
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self.context, node.uuid, {'hostname': new_hostname})
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self.assertEqual(new_hostname, res.hostname)
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def test_update_compute_node_not_found(self):
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node_uuid = uuidutils.generate_uuid()
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new_hostname = 'new-hostname'
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self.assertRaises(exception.ComputeNodeNotFound,
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dbapi.update_compute_node, self.context,
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node_uuid, {'hostname': new_hostname})
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def test_update_compute_node_uuid(self):
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node = utils.create_test_compute_node(context=self.context)
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self.assertRaises(exception.InvalidParameterValue,
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dbapi.update_compute_node, self.context,
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node.uuid, {'uuid': ''})
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