aodh/tests/objectstore/test_swift_middleware.py

246 lines
10 KiB
Python

#!/usr/bin/env python
# -*- encoding: utf-8 -*-
#
# 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 cStringIO as StringIO
from oslo.config import cfg
from webob import Request
from ceilometer.tests import base
from ceilometer.objectstore import swift_middleware
from ceilometer import pipeline
class FakeApp(object):
def __init__(self, body=['This string is 28 bytes long']):
self.body = body
def __call__(self, env, start_response):
start_response('200 OK', [
('Content-Type', 'text/plain'),
('Content-Length', str(sum(map(len, self.body))))
])
while env['wsgi.input'].read(5):
pass
return self.body
class TestSwiftMiddleware(base.TestCase):
class _faux_pipeline_manager(object):
class _faux_pipeline(object):
def __init__(self, pipeline_manager):
self.pipeline_manager = pipeline_manager
self.counters = []
def publish_counters(self, ctxt, counters, source):
self.counters.extend(counters)
def flush(self, context, source):
pass
def __init__(self):
self.pipelines = [self._faux_pipeline(self)]
def flush(self, ctx, source):
pass
def _faux_setup_pipeline(self, transformer_manager):
return self.pipeline_manager
def setUp(self):
super(TestSwiftMiddleware, self).setUp()
self.pipeline_manager = self._faux_pipeline_manager()
self.stubs.Set(pipeline, 'setup_pipeline', self._faux_setup_pipeline)
@staticmethod
def start_response(*args):
pass
def test_rpc_setup(self):
swift_middleware.CeilometerMiddleware(FakeApp(), {})
self.assertEqual(cfg.CONF.control_exchange, 'ceilometer')
def test_get(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'GET'})
resp = app(req.environ, self.start_response)
self.assertEqual(list(resp), ["This string is 28 bytes long"])
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 2)
data = counters[0]
self.assertEqual(data.volume, 28)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
# test the # of request and the request method
data = counters[1]
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
self.assertEqual(data.resource_metadata['method'], 'get')
def test_put(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'PUT',
'wsgi.input':
StringIO.StringIO('some stuff')})
list(app(req.environ, self.start_response))
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 2)
data = counters[0]
self.assertEqual(data.volume, 10)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
# test the # of request and the request method
data = counters[1]
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
self.assertEqual(data.resource_metadata['method'], 'put')
def test_post(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'POST',
'wsgi.input':
StringIO.StringIO('some other stuff')})
list(app(req.environ, self.start_response))
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 2)
data = counters[0]
self.assertEqual(data.volume, 16)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
# test the # of request and the request method
data = counters[1]
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
self.assertEqual(data.resource_metadata['method'], 'post')
def test_head(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'HEAD'})
list(app(req.environ, self.start_response))
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 1)
data = counters[0]
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
self.assertEqual(data.resource_metadata['method'], 'head')
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
def test_bogus_request(self):
"""Test even for arbitrary request method, this will still work."""
app = swift_middleware.CeilometerMiddleware(FakeApp(body=['']), {})
req = Request.blank('/1.0/account/container/obj',
environ={'REQUEST_METHOD': 'BOGUS'})
list(app(req.environ, self.start_response))
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 1)
data = counters[0]
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], 'obj')
self.assertEqual(data.resource_metadata['method'], 'bogus')
self.assertEqual(data.name, 'storage.api.request')
self.assertEqual(data.volume, 1)
def test_get_container(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 2)
data = counters[0]
self.assertEqual(data.volume, 28)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], None)
def test_no_metadata_headers(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {})
req = Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 2)
data = counters[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(len(http_headers), 0)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], None)
def test_metadata_headers(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {
'metadata_headers': 'X_VAR1, x-var2, x-var3'
})
req = Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'},
headers={
'X_VAR1': 'value1',
'X_VAR2': 'value2'
})
list(app(req.environ, self.start_response))
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 2)
data = counters[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(len(http_headers), 2)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], None)
self.assertEqual(data.resource_metadata['http_header_x_var1'],
'value1')
self.assertEqual(data.resource_metadata['http_header_x_var2'],
'value2')
self.assertFalse('http_header_x_var3' in data.resource_metadata)
def test_metadata_headers_on_not_existing_header(self):
app = swift_middleware.CeilometerMiddleware(FakeApp(), {
'metadata_headers': 'x-var3'
})
req = Request.blank('/1.0/account/container',
environ={'REQUEST_METHOD': 'GET'})
list(app(req.environ, self.start_response))
counters = self.pipeline_manager.pipelines[0].counters
self.assertEqual(len(counters), 2)
data = counters[0]
http_headers = [k for k in data.resource_metadata.keys()
if k.startswith('http_header_')]
self.assertEqual(len(http_headers), 0)
self.assertEqual(data.resource_metadata['version'], '1.0')
self.assertEqual(data.resource_metadata['container'], 'container')
self.assertEqual(data.resource_metadata['object'], None)