113 lines
4.3 KiB
Python
113 lines
4.3 KiB
Python
# Copyright 2016 HPE, 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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import os
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import tempfile
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import fixtures
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import mock
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from oslo_config import cfg
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import nova.conf.compute
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from nova import config
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from nova import test
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class ConfTest(test.NoDBTestCase):
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"""This is a test and pattern for parsing tricky options."""
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class TestConfigOpts(cfg.ConfigOpts):
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def __call__(self, args=None, default_config_files=None):
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if default_config_files is None:
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default_config_files = []
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return cfg.ConfigOpts.__call__(
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self,
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args=args,
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prog='test',
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version='1.0',
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usage='%(prog)s FOO BAR',
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default_config_files=default_config_files,
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validate_default_values=True)
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def setUp(self):
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super(ConfTest, self).setUp()
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self.useFixture(fixtures.NestedTempfile())
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self.conf = self.TestConfigOpts()
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self.tempdirs = []
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def create_tempfiles(self, files, ext='.conf'):
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tempfiles = []
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for (basename, contents) in files:
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if not os.path.isabs(basename):
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(fd, path) = tempfile.mkstemp(prefix=basename, suffix=ext)
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else:
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path = basename + ext
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fd = os.open(path, os.O_CREAT | os.O_WRONLY)
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tempfiles.append(path)
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try:
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os.write(fd, contents.encode('utf-8'))
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finally:
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os.close(fd)
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return tempfiles
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def test_reserved_huge_page(self):
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nova.conf.compute.register_opts(self.conf)
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paths = self.create_tempfiles(
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[('1',
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'[DEFAULT]\n'
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'reserved_huge_pages = node:0,size:2048,count:64\n')])
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self.conf(['--config-file', paths[0]])
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# NOTE(sdague): In oslo.config if you specify a parameter
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# incorrectly, it silently drops it from the conf. Which means
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# the attr doesn't exist at all. The first attr test here is
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# for an unrelated boolean option that is using defaults (so
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# will always work. It's a basic control that *anything* is working.
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self.assertTrue(hasattr(self.conf, 'force_raw_images'))
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self.assertTrue(hasattr(self.conf, 'reserved_huge_pages'),
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"Parse error with reserved_huge_pages")
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# NOTE(sdague): Yes, this actually parses as an array holding
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# a dict.
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actual = [{'node': '0', 'size': '2048', 'count': '64'}]
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self.assertEqual(actual, self.conf.reserved_huge_pages)
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class TestParseArgs(test.NoDBTestCase):
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def setUp(self):
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super(TestParseArgs, self).setUp()
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m = mock.patch('nova.db.sqlalchemy.api.configure')
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self.nova_db_config_mock = m.start()
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self.addCleanup(self.nova_db_config_mock.stop)
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m = mock.patch('nova.api.openstack.placement.db_api.configure')
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self.placement_db_config_mock = m.start()
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self.addCleanup(self.placement_db_config_mock.stop)
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@mock.patch.object(config.log, 'register_options')
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def test_parse_args_glance_debug_false(self, register_options):
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self.flags(debug=False, group='glance')
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config.parse_args([], configure_db=False, init_rpc=False)
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self.assertIn('glanceclient=WARN', config.CONF.default_log_levels)
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self.nova_db_config_mock.assert_not_called()
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self.placement_db_config_mock.assert_not_called()
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@mock.patch.object(config.log, 'register_options')
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def test_parse_args_glance_debug_true(self, register_options):
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self.flags(debug=True, group='glance')
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config.parse_args([], configure_db=True, init_rpc=False)
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self.assertIn('glanceclient=DEBUG', config.CONF.default_log_levels)
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self.nova_db_config_mock.assert_called_once_with(config.CONF)
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self.placement_db_config_mock.assert_called_once_with(config.CONF)
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