cfa427c2c6
Now we generate the console script using setuptools, and we don't expect users may directly execute the *.py file. Change-Id: I6ddeb659c641cf3af33518bb7bf4c24b101f87be
430 lines
17 KiB
Python
430 lines
17 KiB
Python
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import atexit
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import json
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import os
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import tempfile
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from unittest import mock
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import fixtures
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import testtools
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from os_apply_config import apply_config
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from os_apply_config import config_exception as exc
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from os_apply_config import oac_file
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# example template tree
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TEMPLATES = os.path.join(os.path.dirname(__file__), 'templates')
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# config for example tree
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CONFIG = {
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"x": "foo",
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"y": False,
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"z": None,
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"btrue": True,
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"bfalse": False,
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"database": {
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"url": "sqlite:///blah"
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},
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"l": [1, 2],
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}
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# config for example tree - with subhash
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CONFIG_SUBHASH = {
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"OpenStack::Config": {
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"x": "foo",
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"database": {
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"url": "sqlite:///blah"
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}
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}
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}
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# expected output for example tree
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OUTPUT = {
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"/etc/glance/script.conf": oac_file.OacFile(
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"foo\n"),
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"/etc/keystone/keystone.conf": oac_file.OacFile(
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"[foo]\ndatabase = sqlite:///blah\n"),
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"/etc/control/empty": oac_file.OacFile(
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"foo\n"),
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"/etc/control/allow_empty": oac_file.OacFile(
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"").set('allow_empty', False),
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"/etc/control/mode": oac_file.OacFile(
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"lorem modus\n").set('mode', 0o755),
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}
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TEMPLATE_PATHS = OUTPUT.keys()
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# expected output for chown tests
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# separated out to avoid needing to mock os.chown for most tests
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CHOWN_TEMPLATES = os.path.join(os.path.dirname(__file__), 'chown_templates')
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CHOWN_OUTPUT = {
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"owner.uid": oac_file.OacFile("lorem uido\n").set('owner', 0),
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"owner.name": oac_file.OacFile("namo uido\n").set('owner', 0),
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"group.gid": oac_file.OacFile("lorem gido\n").set('group', 0),
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"group.name": oac_file.OacFile("namo gido\n").set('group', 0),
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}
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def template(relpath):
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return os.path.join(TEMPLATES, relpath[1:])
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class TestRunOSConfigApplier(testtools.TestCase):
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"""Tests the commandline options."""
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def setUp(self):
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super(TestRunOSConfigApplier, self).setUp()
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self.useFixture(fixtures.NestedTempfile())
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self.stdout = self.useFixture(fixtures.StringStream('stdout')).stream
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self.useFixture(fixtures.MonkeyPatch('sys.stdout', self.stdout))
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stderr = self.useFixture(fixtures.StringStream('stderr')).stream
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self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))
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self.logger = self.useFixture(
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fixtures.FakeLogger(name="os-apply-config"))
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fd, self.path = tempfile.mkstemp()
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with os.fdopen(fd, 'w') as t:
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t.write(json.dumps(CONFIG))
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t.flush()
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def test_print_key(self):
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self.assertEqual(0, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'database.url', '--type', 'raw']))
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self.stdout.seek(0)
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self.assertEqual(CONFIG['database']['url'],
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self.stdout.read().strip())
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self.assertEqual('', self.logger.output)
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def test_print_key_json_dict(self):
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self.assertEqual(0, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'database', '--type', 'raw']))
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self.stdout.seek(0)
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self.assertEqual(CONFIG['database'],
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json.loads(self.stdout.read().strip()))
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self.assertEqual('', self.logger.output)
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def test_print_key_json_list(self):
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self.assertEqual(0, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'l', '--type', 'raw']))
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self.stdout.seek(0)
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self.assertEqual(CONFIG['l'],
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json.loads(self.stdout.read().strip()))
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self.assertEqual('', self.logger.output)
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def test_print_non_string_key(self):
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self.assertEqual(0, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'y', '--type', 'raw']))
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self.stdout.seek(0)
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self.assertEqual("false",
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self.stdout.read().strip())
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self.assertEqual('', self.logger.output)
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def test_print_null_key(self):
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self.assertEqual(0, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'z', '--type', 'raw', '--key-default', '']))
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self.stdout.seek(0)
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self.assertEqual('', self.stdout.read().strip())
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self.assertEqual('', self.logger.output)
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def test_print_key_missing(self):
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self.assertEqual(1, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'does.not.exist']))
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self.assertIn('does not exist', self.logger.output)
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def test_print_key_missing_default(self):
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self.assertEqual(0, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'does.not.exist', '--key-default', '']))
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self.stdout.seek(0)
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self.assertEqual('', self.stdout.read().strip())
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self.assertEqual('', self.logger.output)
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def test_print_key_wrong_type(self):
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self.assertEqual(1, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'x', '--type', 'int']))
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self.assertIn('cannot interpret value', self.logger.output)
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def test_print_key_from_list(self):
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self.assertEqual(0, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'l.0', '--type', 'int']))
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self.stdout.seek(0)
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self.assertEqual(str(CONFIG['l'][0]),
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self.stdout.read().strip())
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self.assertEqual('', self.logger.output)
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def test_print_key_from_list_missing(self):
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self.assertEqual(1, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'l.2', '--type', 'int']))
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self.assertIn('does not exist', self.logger.output)
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def test_print_key_from_list_missing_default(self):
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self.assertEqual(0, apply_config.main(
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['os-apply-config.py', '--metadata', self.path, '--key',
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'l.2', '--type', 'int', '--key-default', '']))
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self.stdout.seek(0)
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self.assertEqual('', self.stdout.read().strip())
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self.assertEqual('', self.logger.output)
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def test_print_templates(self):
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apply_config.main(['os-apply-config', '--print-templates'])
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self.stdout.seek(0)
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self.assertEqual(
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self.stdout.read().strip(), apply_config.TEMPLATES_DIR)
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self.assertEqual('', self.logger.output)
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def test_boolean_key(self):
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rcode = apply_config.main(['os-apply-config', '--metadata',
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self.path, '--boolean-key', 'btrue'])
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self.assertEqual(0, rcode)
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rcode = apply_config.main(['os-apply-config', '--metadata',
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self.path, '--boolean-key', 'bfalse'])
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self.assertEqual(1, rcode)
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rcode = apply_config.main(['os-apply-config', '--metadata',
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self.path, '--boolean-key', 'x'])
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self.assertEqual(-1, rcode)
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def test_boolean_key_and_key(self):
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rcode = apply_config.main(['os-apply-config', '--metadata',
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self.path, '--boolean-key', 'btrue',
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'--key', 'x'])
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self.assertEqual(0, rcode)
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self.stdout.seek(0)
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self.assertEqual(self.stdout.read().strip(), 'foo')
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self.assertIn('--boolean-key ignored', self.logger.output)
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def test_os_config_files(self):
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with tempfile.NamedTemporaryFile() as fake_os_config_files:
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with tempfile.NamedTemporaryFile() as fake_config:
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fake_config.write(json.dumps(CONFIG).encode('utf-8'))
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fake_config.flush()
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fake_os_config_files.write(
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json.dumps([fake_config.name]).encode('utf-8'))
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fake_os_config_files.flush()
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apply_config.main(['os-apply-config',
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'--key', 'database.url',
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'--type', 'raw',
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'--os-config-files',
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fake_os_config_files.name])
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self.stdout.seek(0)
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self.assertEqual(
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CONFIG['database']['url'], self.stdout.read().strip())
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class OSConfigApplierTestCase(testtools.TestCase):
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def setUp(self):
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super(OSConfigApplierTestCase, self).setUp()
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self.logger = self.useFixture(fixtures.FakeLogger('os-apply-config'))
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self.useFixture(fixtures.NestedTempfile())
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def write_config(self, config):
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fd, path = tempfile.mkstemp()
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with os.fdopen(fd, 'w') as t:
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t.write(json.dumps(config))
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t.flush()
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return path
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def check_output_file(self, tmpdir, path, obj):
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full_path = os.path.join(tmpdir, path[1:])
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if obj.allow_empty:
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assert os.path.exists(full_path), "%s doesn't exist" % path
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self.assertEqual(obj.body, open(full_path).read())
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else:
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assert not os.path.exists(full_path), "%s exists" % path
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def test_install_config(self):
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path = self.write_config(CONFIG)
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tmpdir = tempfile.mkdtemp()
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apply_config.install_config([path], TEMPLATES, tmpdir, False)
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for path, obj in OUTPUT.items():
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self.check_output_file(tmpdir, path, obj)
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def test_install_config_subhash(self):
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tpath = self.write_config(CONFIG_SUBHASH)
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tmpdir = tempfile.mkdtemp()
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apply_config.install_config(
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[tpath], TEMPLATES, tmpdir, False, 'OpenStack::Config')
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for path, obj in OUTPUT.items():
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self.check_output_file(tmpdir, path, obj)
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def test_delete_if_not_allowed_empty(self):
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path = self.write_config(CONFIG)
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tmpdir = tempfile.mkdtemp()
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template = "/etc/control/allow_empty"
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target_file = os.path.join(tmpdir, template[1:])
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# Touch the file
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os.makedirs(os.path.dirname(target_file))
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open(target_file, 'a').close()
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apply_config.install_config([path], TEMPLATES, tmpdir, False)
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# File should be gone
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self.assertFalse(os.path.exists(target_file))
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def test_respect_file_permissions(self):
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path = self.write_config(CONFIG)
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tmpdir = tempfile.mkdtemp()
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template = "/etc/keystone/keystone.conf"
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target_file = os.path.join(tmpdir, template[1:])
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os.makedirs(os.path.dirname(target_file))
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# File doesn't exist, use the default mode (644)
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apply_config.install_config([path], TEMPLATES, tmpdir, False)
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self.assertEqual(0o100644, os.stat(target_file).st_mode)
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self.assertEqual(OUTPUT[template].body, open(target_file).read())
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# Set a different mode:
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os.chmod(target_file, 0o600)
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apply_config.install_config([path], TEMPLATES, tmpdir, False)
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# The permissions should be preserved
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self.assertEqual(0o100600, os.stat(target_file).st_mode)
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self.assertEqual(OUTPUT[template].body, open(target_file).read())
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def test_build_tree(self):
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tree = apply_config.build_tree(
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apply_config.template_paths(TEMPLATES), CONFIG)
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self.assertEqual(OUTPUT, tree)
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def test_render_template(self):
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# execute executable files, moustache non-executables
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self.assertEqual("abc\n", apply_config.render_template(template(
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"/etc/glance/script.conf"), {"x": "abc"}))
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self.assertRaises(
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exc.ConfigException,
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apply_config.render_template,
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template("/etc/glance/script.conf"), {})
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def test_render_template_bad_template(self):
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tdir = self.useFixture(fixtures.TempDir())
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bt_path = os.path.join(tdir.path, 'bad_template')
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with open(bt_path, 'w') as bt:
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bt.write("{{#foo}}bar={{bar}}{{/bar}}")
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e = self.assertRaises(exc.ConfigException,
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apply_config.render_template,
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bt_path, {'foo': [{'bar':
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'abc'}]})
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self.assertIn('could not render moustache template', str(e))
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self.assertIn('Section end tag mismatch', self.logger.output)
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def test_render_moustache(self):
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self.assertEqual(
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"ab123cd",
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apply_config.render_moustache("ab{{x.a}}cd", {"x": {"a": "123"}}))
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def test_render_moustache_bad_key(self):
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self.assertEqual(u'', apply_config.render_moustache("{{badkey}}", {}))
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def test_render_moustache_none(self):
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self.assertEqual('foo: ',
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apply_config.render_moustache("foo: {{foo}}",
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{'foo': None}))
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def test_render_executable(self):
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params = {"x": "foo"}
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self.assertEqual("foo\n", apply_config.render_executable(
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template("/etc/glance/script.conf"), params))
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def test_render_executable_failure(self):
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self.assertRaises(
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exc.ConfigException,
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apply_config.render_executable,
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template("/etc/glance/script.conf"), {})
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def test_template_paths(self):
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expected = list(map(lambda p: (template(p), p), TEMPLATE_PATHS))
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actual = apply_config.template_paths(TEMPLATES)
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expected.sort(key=lambda tup: tup[1])
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actual.sort(key=lambda tup: tup[1])
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self.assertEqual(expected, actual)
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def test_strip_hash(self):
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h = {'a': {'b': {'x': 'y'}}, "c": [1, 2, 3]}
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self.assertEqual({'x': 'y'}, apply_config.strip_hash(h, 'a.b'))
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self.assertRaises(exc.ConfigException,
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apply_config.strip_hash, h, 'a.nonexistent')
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self.assertRaises(exc.ConfigException,
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apply_config.strip_hash, h, 'a.c')
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def test_load_list_from_json(self):
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def mkstemp():
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fd, path = tempfile.mkstemp()
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atexit.register(
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lambda: os.path.exists(path) and os.remove(path))
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return (fd, path)
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def write_contents(fd, contents):
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with os.fdopen(fd, 'w') as t:
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t.write(contents)
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t.flush()
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fd, path = mkstemp()
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load_list = apply_config.load_list_from_json
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self.assertRaises(ValueError, load_list, path)
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write_contents(fd, json.dumps(["/tmp/config.json"]))
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json_obj = load_list(path)
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self.assertEqual(["/tmp/config.json"], json_obj)
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os.remove(path)
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self.assertEqual([], load_list(path))
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fd, path = mkstemp()
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write_contents(fd, json.dumps({}))
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self.assertRaises(ValueError, load_list, path)
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def test_default_templates_dir_current(self):
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default = '/usr/libexec/os-apply-config/templates'
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with mock.patch('os.path.isdir', lambda x: x == default):
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self.assertEqual(default, apply_config.templates_dir())
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def test_default_templates_dir_deprecated(self):
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default = '/opt/stack/os-apply-config/templates'
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with mock.patch('os.path.isdir', lambda x: x == default):
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self.assertEqual(default, apply_config.templates_dir())
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def test_default_templates_dir_old_deprecated(self):
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default = '/opt/stack/os-config-applier/templates'
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with mock.patch('os.path.isdir', lambda x: x == default):
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self.assertEqual(default, apply_config.templates_dir())
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def test_default_templates_dir_both(self):
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default = '/usr/libexec/os-apply-config/templates'
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deprecated = '/opt/stack/os-apply-config/templates'
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with mock.patch('os.path.isdir', lambda x: (x == default or
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x == deprecated)):
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self.assertEqual(default, apply_config.templates_dir())
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def test_control_mode(self):
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path = self.write_config(CONFIG)
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tmpdir = tempfile.mkdtemp()
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template = "/etc/control/mode"
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target_file = os.path.join(tmpdir, template[1:])
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apply_config.install_config([path], TEMPLATES, tmpdir, False)
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self.assertEqual(0o100755, os.stat(target_file).st_mode)
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@mock.patch('os.chown')
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def test_control_chown(self, chown_mock):
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path = self.write_config(CONFIG)
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tmpdir = tempfile.mkdtemp()
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apply_config.install_config([path], CHOWN_TEMPLATES, tmpdir, False)
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chown_mock.assert_has_calls([mock.call(mock.ANY, 0, -1), # uid
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mock.call(mock.ANY, 0, -1), # username
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mock.call(mock.ANY, -1, 0), # gid
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mock.call(mock.ANY, -1, 0)], # groupname
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any_order=True)
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