255 lines
9.0 KiB
Python
255 lines
9.0 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 json
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import os
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import tempfile
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import fixtures
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import testtools
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from os_apply_config import config_exception
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from os_apply_config import os_apply_config as oca
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# example template tree
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TEMPLATES = os.path.join(os.path.dirname(__file__), 'templates')
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TEMPLATE_PATHS = [
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"/etc/glance/script.conf",
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"/etc/keystone/keystone.conf"
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]
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# config for example tree
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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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# 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": "foo\n",
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"/etc/keystone/keystone.conf": "[foo]\ndatabase = sqlite:///blah\n"
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}
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def main_path():
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return (
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os.path.dirname(os.path.realpath(__file__)) +
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'/../os_apply_config.py')
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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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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, oca.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_missing(self):
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self.assertEqual(1, oca.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, oca.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, oca.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_templates(self):
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oca.main(['os-apply-config', '--print-templates'])
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self.stdout.seek(0)
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self.assertEqual(self.stdout.read().strip(), oca.TEMPLATES_DIR)
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self.assertEqual('', self.logger.output)
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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.useFixture(fixtures.FakeLogger('os-apply-config'))
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self.useFixture(fixtures.NestedTempfile())
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def test_install_config(self):
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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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tmpdir = tempfile.mkdtemp()
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oca.install_config([path], TEMPLATES, tmpdir, False)
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for path, contents in OUTPUT.items():
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full_path = os.path.join(tmpdir, path[1:])
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assert os.path.exists(full_path)
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self.assertEqual(open(full_path).read(), contents)
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def test_install_config_subhash(self):
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fd, tpath = tempfile.mkstemp()
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with os.fdopen(fd, 'w') as t:
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t.write(json.dumps(CONFIG_SUBHASH))
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t.flush()
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tmpdir = tempfile.mkdtemp()
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oca.install_config(
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[tpath], TEMPLATES, tmpdir, False, 'OpenStack::Config')
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for path, contents in OUTPUT.items():
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full_path = os.path.join(tmpdir, path[1:])
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assert os.path.exists(full_path)
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self.assertEqual(open(full_path).read(), contents)
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def test_build_tree(self):
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self.assertEqual(oca.build_tree(
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oca.template_paths(TEMPLATES), CONFIG), OUTPUT)
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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(oca.render_template(template(
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"/etc/glance/script.conf"), {"x": "abc"}), "abc\n")
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self.assertRaises(
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config_exception.ConfigException, oca.render_template, template(
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"/etc/glance/script.conf"), {})
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def test_render_moustache(self):
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self.assertEqual(oca.render_moustache("ab{{x.a}}cd", {
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"x": {"a": "123"}}), "ab123cd")
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def test_render_moustache_bad_key(self):
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self.assertEqual(oca.render_moustache("{{badkey}}", {}), u'')
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def test_render_executable(self):
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params = {"x": "foo"}
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self.assertEqual(oca.render_executable(template(
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"/etc/glance/script.conf"), params), "foo\n")
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def test_render_executable_failure(self):
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self.assertRaises(
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config_exception.ConfigException,
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oca.render_executable, template("/etc/glance/script.conf"), {})
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def test_template_paths(self):
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expected = map(lambda p: (template(p), p), TEMPLATE_PATHS)
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actual = oca.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(actual, expected)
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def test_read_config(self):
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with tempfile.NamedTemporaryFile() as t:
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d = {"a": {"b": ["c", "d"]}}
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t.write(json.dumps(d))
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t.flush()
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self.assertEqual(oca.read_config([t.name]), d)
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def test_read_config_bad_json(self):
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with tempfile.NamedTemporaryFile() as t:
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t.write("{{{{")
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t.flush()
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self.assertRaises(config_exception.ConfigException,
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oca.read_config, [t.name])
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def test_read_config_no_file(self):
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self.assertRaises(config_exception.ConfigException,
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oca.read_config, ["/nosuchfile"])
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def test_read_config_multi(self):
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with tempfile.NamedTemporaryFile(mode='wb') as t1:
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with tempfile.NamedTemporaryFile(mode='wb') as t2:
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d1 = {"a": {"b": [1, 2]}}
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d2 = {"x": {"y": [8, 9]}}
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t1.write(json.dumps(d1))
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t1.flush()
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t2.write(json.dumps(d2))
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t2.flush()
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result = oca.read_config([t1.name, t2.name])
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self.assertEqual(d1, result)
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def test_read_config_multi_missing1(self):
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with tempfile.NamedTemporaryFile(mode='wb') as t1:
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pass
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with tempfile.NamedTemporaryFile(mode='wb') as t2:
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d2 = {"x": {"y": [8, 9]}}
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t2.write(json.dumps(d2))
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t2.flush()
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result = oca.read_config([t1.name, t2.name])
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self.assertEqual(d2, result)
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def test_read_config_multi_missing_bad1(self):
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with tempfile.NamedTemporaryFile(mode='wb') as t1:
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t1.write('{{{')
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t1.flush()
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with tempfile.NamedTemporaryFile(mode='wb') as t2:
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pass
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d2 = {"x": {"y": [8, 9]}}
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t2.write(json.dumps(d2))
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t2.flush()
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self.assertRaises(config_exception.ConfigException,
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oca.read_config, [t1.name, t2.name])
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def test_read_config_multi_missing_all(self):
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with tempfile.NamedTemporaryFile(mode='wb') as t1:
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pass
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with tempfile.NamedTemporaryFile(mode='wb') as t2:
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pass
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self.assertRaises(config_exception.ConfigException,
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oca.read_config, [t1.name, t2.name])
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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(oca.strip_hash(h, 'a.b'), {'x': 'y'})
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self.assertRaises(config_exception.ConfigException,
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oca.strip_hash, h, 'a.nonexistent')
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self.assertRaises(config_exception.ConfigException,
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oca.strip_hash, h, 'a.c')
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