#!/usr/bin/env python # -*- encoding: utf-8 -*- # # Copyright © 2012 eNovance # # Author: Julien Danjou # # 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 import mock import webob from ceilometer.objectstore import swift_middleware from ceilometer.openstack.common.fixture import config from ceilometer.openstack.common.fixture.mockpatch import PatchObject from ceilometer.openstack.common import test 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(test.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): return self.pipeline_manager def setUp(self): super(TestSwiftMiddleware, self).setUp() self.pipeline_manager = self._faux_pipeline_manager() self.useFixture(PatchObject(pipeline, 'setup_pipeline', side_effect=self._fake_setup_pipeline)) self.CONF = self.useFixture(config.Config()).conf @staticmethod def start_response(*args): pass def test_rpc_setup(self): swift_middleware.CeilometerMiddleware(FakeApp(), {}) self.assertEqual(self.CONF.control_exchange, 'ceilometer') def test_get(self): app = swift_middleware.CeilometerMiddleware(FakeApp(), {}) req = webob.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"]) samples = self.pipeline_manager.pipelines[0].samples self.assertEqual(len(samples), 2) data = samples[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 = samples[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 = webob.Request.blank('/1.0/account/container/obj', environ={'REQUEST_METHOD': 'PUT', 'wsgi.input': StringIO.StringIO('some stuff')}) list(app(req.environ, self.start_response)) samples = self.pipeline_manager.pipelines[0].samples self.assertEqual(len(samples), 2) data = samples[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 = samples[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 = webob.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)) samples = self.pipeline_manager.pipelines[0].samples self.assertEqual(len(samples), 2) data = samples[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 = samples[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 = webob.Request.blank('/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(len(samples), 1) data = samples[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 = webob.Request.blank('/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(len(samples), 1) data = samples[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 = webob.Request.blank('/1.0/account/container', environ={'REQUEST_METHOD': 'GET'}) list(app(req.environ, self.start_response)) samples = self.pipeline_manager.pipelines[0].samples self.assertEqual(len(samples), 2) data = samples[0] self.assertEqual(data.volume, 28) self.assertEqual(data.resource_metadata['version'], '1.0') self.assertEqual(data.resource_metadata['container'], 'container') self.assertIsNone(data.resource_metadata['object']) def test_no_metadata_headers(self): app = swift_middleware.CeilometerMiddleware(FakeApp(), {}) req = webob.Request.blank('/1.0/account/container', environ={'REQUEST_METHOD': 'GET'}) list(app(req.environ, self.start_response)) samples = self.pipeline_manager.pipelines[0].samples self.assertEqual(len(samples), 2) data = samples[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.assertIsNone(data.resource_metadata['object']) def test_metadata_headers(self): app = swift_middleware.CeilometerMiddleware(FakeApp(), { 'metadata_headers': 'X_VAR1, x-var2, x-var3' }) req = webob.Request.blank('/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(len(samples), 2) data = samples[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.assertIsNone(data.resource_metadata['object']) 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 = webob.Request.blank('/1.0/account/container', environ={'REQUEST_METHOD': 'GET'}) list(app(req.environ, self.start_response)) samples = self.pipeline_manager.pipelines[0].samples self.assertEqual(len(samples), 2) data = samples[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.assertIsNone(data.resource_metadata['object']) def test_bogus_path(self): app = swift_middleware.CeilometerMiddleware(FakeApp(), {}) req = webob.Request.blank('//v1/account/container', environ={'REQUEST_METHOD': 'GET'}) list(app(req.environ, self.start_response)) samples = self.pipeline_manager.pipelines[0].samples self.assertEqual(len(samples), 0) def test_missing_resource_id(self): app = swift_middleware.CeilometerMiddleware(FakeApp(), {}) req = webob.Request.blank('/5.0/', environ={'REQUEST_METHOD': 'GET'}) list(app(req.environ, self.start_response)) samples = self.pipeline_manager.pipelines[0].samples self.assertEqual(len(samples), 0) @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 = webob.Request.blank('/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(len(samples), 0) self.assertEqual(resp, ["test"]) 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 = webob.Request.blank('/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(samples.resource_id, "account") # Custom reseller prefix set app = swift_middleware.CeilometerMiddleware( FakeApp(), {'reseller_prefix': 'CUSTOM_'}) req = webob.Request.blank('/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(samples.resource_id, "account") def test_invalid_reseller_prefix(self): # Custom reseller prefix set, but without trailing underscore app = swift_middleware.CeilometerMiddleware( FakeApp(), {'reseller_prefix': 'CUSTOM'}) req = webob.Request.blank('/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(samples.resource_id, "account")