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|
#!/usr/bin/env python
#
# Copyright 2012 eNovance <licensing@enovance.com>
#
# Author: Julien Danjou <julien@danjou.info>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import mock
from oslo.config import fixture as fixture_config
from oslotest import mockpatch
import six
from ceilometer.objectstore import swift_middleware
from ceilometer import pipeline
from ceilometer.tests import base as tests_base
class FakeApp(object):
def __init__(self, body=None):
self.body = body or ['This string is 28 bytes long']
def __call__(self, env, start_response):
yield
start_response('200 OK', [
('Content-Type', 'text/plain'),
('Content-Length', str(sum(map(len, self.body))))
])
while env['wsgi.input'].read(5):
pass
for line in self.body:
yield line
class FakeRequest(object):
"""A bare bones request object
The middleware will inspect this for request method,
wsgi.input and headers.
"""
def __init__(self, path, environ=None, headers=None):
environ = environ or {}
headers = headers or {}
environ['PATH_INFO'] = path
if 'wsgi.input' not in environ:
environ['wsgi.input'] = six.moves.cStringIO('')
for header, value in headers.iteritems():
environ['HTTP_%s' % header.upper()] = value
self.environ = environ
class TestSwiftMiddleware(tests_base.BaseTestCase):
class _faux_pipeline_manager(pipeline.PipelineManager):
class _faux_pipeline(object):
def __init__(self, pipeline_manager):
self.pipeline_manager = pipeline_manager
self.samples = []
def publish_samples(self, ctxt, samples):
self.samples.extend(samples)
def flush(self, context):
pass
def __init__(self):
self.pipelines = [self._faux_pipeline(self)]
def _fake_setup_pipeline(self, transformer_manager=None):
return self.pipeline_manager
def setUp(self):
super(TestSwiftMiddleware, self).setUp()
self.pipeline_manager = self._faux_pipeline_manager()
self.useFixture(mockpatch.PatchObject(
pipeline, 'setup_pipeline',
side_effect=self._fake_setup_pipeline))
self.CONF = self.useFixture(fixture_config.Config()).conf
self.setup_messaging(self.CONF)
@staticmethod
def start_response(*args):
pass
def test_get(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = FakeRequest('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'GET'})
resp = app(req.environ, self.start_response)
self.assertEqual(["This string is 28 bytes long"], list(resp))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(2, len(samples))
data = samples[0]
self.assertEqual(28, data.volume)
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertEqual('obj', data.resource_metadata['object'])
# test the # of request and the request method
data = samples[1]
self.assertEqual('storage.api.request', data.name)
self.assertEqual(1, data.volume)
self.assertEqual('get', data.resource_metadata['method'])
def test_put(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = FakeRequest(
'/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'PUT',
'wsgi.input':
six.moves.cStringIO('some stuff')})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(2, len(samples))
data = samples[0]
self.assertEqual(10, data.volume)
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertEqual('obj', data.resource_metadata['object'])
# test the # of request and the request method
data = samples[1]
self.assertEqual('storage.api.request', data.name)
self.assertEqual(1, data.volume)
self.assertEqual('put', data.resource_metadata['method'])
def test_post(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = FakeRequest(
'/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'POST',
'wsgi.input': six.moves.cStringIO('some other stuff')})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(2, len(samples))
data = samples[0]
self.assertEqual(16, data.volume)
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertEqual('obj', data.resource_metadata['object'])
# test the # of request and the request method
data = samples[1]
self.assertEqual('storage.api.request', data.name)
self.assertEqual(1, data.volume)
self.assertEqual('post', data.resource_metadata['method'])
def test_head(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = FakeRequest('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'HEAD'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(1, len(samples))
data = samples[0]
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertEqual('obj', data.resource_metadata['object'])
self.assertEqual('head', data.resource_metadata['method'])
self.assertEqual('storage.api.request', data.name)
self.assertEqual(1, data.volume)
def test_bogus_request(self):
"""Test even for arbitrary request method, this will still work."""
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = FakeRequest('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'BOGUS'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(1, len(samples))
data = samples[0]
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertEqual('obj', data.resource_metadata['object'])
self.assertEqual('bogus', data.resource_metadata['method'])
self.assertEqual('storage.api.request', data.name)
self.assertEqual(1, data.volume)
def test_get_container(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = FakeRequest('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(2, len(samples))
data = samples[0]
self.assertEqual(28, data.volume)
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertIsNone(data.resource_metadata['object'])
def test_no_metadata_headers(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = FakeRequest('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(2, len(samples))
data = samples[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(0, len(http_headers))
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertIsNone(data.resource_metadata['object'])
def test_metadata_headers(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {
'metadata_headers': 'X_VAR1, x-var2, x-var3'
})
req = FakeRequest('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'},
headers={'X_VAR1': 'value1',
'X_VAR2': 'value2'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(2, len(samples))
data = samples[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(2, len(http_headers))
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertIsNone(data.resource_metadata['object'])
self.assertEqual('value1',
data.resource_metadata['http_header_x_var1'])
self.assertEqual('value2',
data.resource_metadata['http_header_x_var2'])
self.assertFalse('http_header_x_var3' in data.resource_metadata)
def test_metadata_headers_unicode(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {
'metadata_headers': 'unicode'
})
uni = u'\xef\xbd\xa1\xef\xbd\xa5'
req = FakeRequest('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'},
headers={'UNICODE': uni})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(2, len(samples))
data = samples[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(1, len(http_headers))
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertIsNone(data.resource_metadata['object'])
self.assertEqual(uni.encode('utf-8'),
data.resource_metadata['http_header_unicode'])
def test_metadata_headers_on_not_existing_header(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {
'metadata_headers': 'x-var3'
})
req = FakeRequest('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(2, len(samples))
data = samples[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(0, len(http_headers))
self.assertEqual('1.0', data.resource_metadata['version'])
self.assertEqual('container', data.resource_metadata['container'])
self.assertIsNone(data.resource_metadata['object'])
def test_bogus_path(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = FakeRequest('/5.0//',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(0, len(samples))
def test_missing_resource_id(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = FakeRequest('/v1/', environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(0, len(samples))
@mock.patch.object(swift_middleware.CeilometerMiddleware,
'publish_sample')
def test_publish_sample_fail(self, mocked_publish_sample):
mocked_publish_sample.side_effect = Exception("a exception")
app = swift_middleware.CeilometerMiddleware(FakeApp(body=["test"]), {})
req = FakeRequest('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
resp = list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples
self.assertEqual(0, len(samples))
self.assertEqual(["test"], resp)
mocked_publish_sample.assert_called_once_with(mock.ANY, 0, 4)
def test_reseller_prefix(self):
# No reseller prefix set: ensure middleware uses AUTH_
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = FakeRequest('/1.0/AUTH_account/container/obj',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples[0]
self.assertEqual("account", samples.resource_id)
# Custom reseller prefix set
app = swift_middleware.CeilometerMiddleware(
FakeApp(), {'reseller_prefix': 'CUSTOM_'})
req = FakeRequest('/1.0/CUSTOM_account/container/obj',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples[0]
self.assertEqual("account", samples.resource_id)
def test_invalid_reseller_prefix(self):
# Custom reseller prefix set, but without trailing underscore
app = swift_middleware.CeilometerMiddleware(
FakeApp(), {'reseller_prefix': 'CUSTOM'})
req = FakeRequest('/1.0/CUSTOM_account/container/obj',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
samples = self.pipeline_manager.pipelines[0].samples[0]
self.assertEqual("account", samples.resource_id)
|
