a004624dcc
With multiple publisher support, a meter data can be sent to multiple conduit, like message bus, CW API etc. Pipeline framework transfers the data from pollster and notification handler to the publisher, through multiple pipelines. Each pipeline is composed of 1 or more transformers and one or more publishers. The transformer transforms the data, like summary, drop, delta etc. For bp: multi-publisher Change-Id: Iff8b85d724eb6358d147b8a8431837934d913c88 Signed-off-by: Yunhong, Jiang <yunhong.jiang@intel.com>
669 lines
26 KiB
Python
669 lines
26 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright © 2013 Intel Corp.
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#
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# Author: Yunhong Jiang <yunhong.jiang@intel.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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from stevedore import dispatch
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from stevedore import extension
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from ceilometer import counter
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from ceilometer import extension_manager as act_extension
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from ceilometer.openstack.common import timeutils
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from ceilometer import pipeline
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from ceilometer.tests import base
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class TestPipeline(base.TestCase):
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def fake_tem_init(self):
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"""Fake a transformerManager for pipeline
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The faked entry point setting is below:
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update: TransformerClass
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except: TransformerClassException
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drop: TransformerClassDrop
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"""
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pass
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def fake_tem_get_ext(self, name):
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class_name_ext = {
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'update': self.TransformerClass,
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'except': self.TransformerClassException,
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'drop': self.TransformerClassDrop,
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'cache': self.TransformerClassCache}
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if name in class_name_ext:
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return extension.Extension(name, None,
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class_name_ext[name],
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None,
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)
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raise KeyError(name)
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class PublisherClass():
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def __init__(self):
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self.counters = []
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def publish_counter(self, ctxt, counter, source):
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self.counters.append(counter)
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class PublisherClassException():
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def publish_counter(self, ctxt, counter, source):
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raise Exception()
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class TransformerClass(object):
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samples = []
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def __init__(self, append_name='_update'):
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self.__class__.samples = []
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self.append_name = append_name
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def flush(self, ctxt, source):
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return []
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def handle_sample(self, ctxt, counter, source):
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self.__class__.samples.append(counter)
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newname = getattr(counter, 'name') + self.append_name
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return counter._replace(name=newname)
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class TransformerClassDrop(object):
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samples = []
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def __init__(self):
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self.__class__.samples = []
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def handle_sample(self, ctxt, counter, source):
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self.__class__.samples.append(counter)
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class TransformerClassException(object):
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def handle_sample(self, ctxt, counter, source):
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raise Exception()
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class TransformerClassCache(object):
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samples = []
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caches = []
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def __init__(self, drop=True):
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self.__class__.samples = []
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self.__class__.caches = []
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def handle_sample(self, ctxt, counter, source):
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self.__class__.samples.append(counter)
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self.__class__.caches.append(counter)
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def flush(self, ctxt, source):
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return self.__class__.caches
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def _create_publisher_manager(self, ext_name='test'):
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self.publisher_manager = dispatch.NameDispatchExtensionManager(
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'fake',
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[],
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invoke_on_load=False,
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)
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self.publisher = self.PublisherClass()
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self.new_publisher = self.PublisherClass()
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self.publisher_exception = self.PublisherClassException()
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self.publisher_manager.extensions = [
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extension.Extension(
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'test',
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None,
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None,
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self.publisher,
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),
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extension.Extension(
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'new',
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None,
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None,
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self.new_publisher,
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),
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extension.Extension(
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'except',
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None,
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None,
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self.publisher_exception,
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),
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]
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self.publisher_manager.by_name = dict(
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(e.name, e)
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for e
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in self.publisher_manager.extensions)
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def setUp(self):
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super(TestPipeline, self).setUp()
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self.test_counter = counter.Counter(
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name='a',
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type='test_type',
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volume=1,
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unit='B',
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user_id="test_user",
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project_id="test_proj",
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resource_id="test_resource",
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timestamp=timeutils.utcnow().isoformat(),
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resource_metadata={}
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)
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self.stubs.Set(pipeline.TransformerExtensionManager,
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"__init__",
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self.fake_tem_init)
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self.stubs.Set(pipeline.TransformerExtensionManager,
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"get_ext",
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self.fake_tem_get_ext)
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self._create_publisher_manager()
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self.pipeline_cfg = [{
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'name': "test_pipeline",
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'interval': 5,
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'counters': ['a'],
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'transformers': [
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{'name': "update",
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'parameters': {}}
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],
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'publishers': ["test"],
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}, ]
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def _exception_create_pipelinemanager(self):
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self.assertRaises(pipeline.PipelineException,
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pipeline.PipelineManager,
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self.pipeline_cfg,
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self.publisher_manager)
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def test_no_counters(self):
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del self.pipeline_cfg[0]['counters']
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self._exception_create_pipelinemanager()
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def test_no_transformers(self):
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del self.pipeline_cfg[0]['transformers']
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self._exception_create_pipelinemanager()
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def test_no_name(self):
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del self.pipeline_cfg[0]['name']
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self._exception_create_pipelinemanager()
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def test_no_interval(self):
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del self.pipeline_cfg[0]['interval']
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self._exception_create_pipelinemanager()
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def test_no_publishers(self):
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del self.pipeline_cfg[0]['publishers']
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self._exception_create_pipelinemanager()
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def test_check_counters_include_exclude_same(self):
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counter_cfg = ['a', '!a']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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self._exception_create_pipelinemanager()
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def test_check_counters_include_exclude(self):
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counter_cfg = ['a', '!b']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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self._exception_create_pipelinemanager()
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def test_check_counters_wildcard_included(self):
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counter_cfg = ['a', '*']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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self._exception_create_pipelinemanager()
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def test_check_publishers_invalid_publisher(self):
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publisher_cfg = ['test_invalid']
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self.pipeline_cfg[0]['publishers'] = publisher_cfg
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self._exception_create_pipelinemanager()
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def test_invalid_string_interval(self):
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self.pipeline_cfg[0]['interval'] = 'string'
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self._exception_create_pipelinemanager()
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def test_check_transformer_invalid_transformer(self):
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transformer_cfg = [
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{'name': "test_invalid",
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'parameters': {}}
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]
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self.pipeline_cfg[0]['transformers'] = transformer_cfg
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self._exception_create_pipelinemanager()
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def test_pipelines_for_counter(self):
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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self.assertTrue(len(pipeline_manager.pipelines_for_counter('a'))
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== 1)
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self.assertTrue(len(pipeline_manager.pipelines_for_counter('b'))
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== 0)
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def test_get_interval(self):
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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self.assertTrue(pipe.get_interval() == 5)
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def test_publisher_transformer_invoked(self):
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(len(self.TransformerClass.samples) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], "name")
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== 'a_update')
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self.assertTrue(getattr(self.TransformerClass.samples[0], "name")
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== 'a')
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def test_multiple_included_counters(self):
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counter_cfg = ['a', 'b']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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pipe = pipeline_manager.pipelines_for_counter('b')[0]
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self.test_counter = self.test_counter._replace(name='b')
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 2)
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self.assertTrue(len(self.TransformerClass.samples) == 2)
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self.assertTrue(getattr(self.publisher.counters[0], "name")
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== 'a_update')
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self.assertTrue(getattr(self.publisher.counters[1], "name")
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== 'b_update')
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def test_wildcard_counter(self):
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counter_cfg = ['*']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(len(self.TransformerClass.samples) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], "name")
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== 'a_update')
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def test_wildcard_excluded_counters(self):
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counter_cfg = ['*', '!a']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')
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self.assertTrue(len(pipe) == 0)
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def test_wildcard_excluded_counters_not_excluded(self):
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counter_cfg = ['*', '!b']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(len(self.TransformerClass.samples) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], "name")
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== 'a_update')
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def test_all_excluded_counters_not_excluded(self):
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counter_cfg = ['!b', '!c']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(len(self.TransformerClass.samples) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], "name")
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== 'a_update')
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self.assertTrue(getattr(self.TransformerClass.samples[0], "name")
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== 'a')
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def test_all_excluded_counters_is_excluded(self):
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counter_cfg = ['!a', '!c']
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self.pipeline_cfg[0]['counters'] = counter_cfg
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')
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self.assertTrue(len(pipe) == 0)
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pipe_1 = pipeline_manager.pipelines_for_counter('c')
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self.assertTrue(len(pipe_1) == 0)
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def test_multiple_pipeline(self):
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self.pipeline_cfg.append({
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'name': 'second_pipeline',
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'interval': 5,
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'counters': ['b'],
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'transformers': [{
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'name': 'update',
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'parameters':
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{
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"append_name": "_new",
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}
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}],
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'publishers': ['new'],
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})
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe_1 = pipeline_manager.pipelines_for_counter('b')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.test_counter = self.test_counter._replace(name='b')
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pipe_1.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], "name")
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== 'a_update')
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self.assertTrue(len(self.new_publisher.counters) == 1)
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self.assertTrue(getattr(self.new_publisher.counters[0], "name")
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== 'b_new')
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self.assertTrue(getattr(self.TransformerClass.samples[0], "name")
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== 'a')
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self.assertTrue(len(self.TransformerClass.samples) == 2)
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self.assertTrue(getattr(self.TransformerClass.samples[0], "name")
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== 'a')
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self.assertTrue(getattr(self.TransformerClass.samples[1], "name")
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== 'b')
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def test_multple_pipeline_exception(self):
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self.pipeline_cfg.append({
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'name': "second_pipeline",
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"interval": 5,
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'counters': ['b'],
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'transformers': [{
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'name': 'update',
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'parameters':
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{
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"append_name": "_new",
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}
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}],
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'publishers': ['except'],
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})
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe_1 = pipeline_manager.pipelines_for_counter('b')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.test_counter = self.test_counter._replace(name='b')
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pipe_1.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], "name")
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== 'a_update')
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self.assertTrue(len(self.new_publisher.counters) == 0)
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self.assertTrue(len(self.TransformerClass.samples) == 2)
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self.assertTrue(getattr(self.TransformerClass.samples[0], "name")
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== 'a')
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self.assertTrue(getattr(self.TransformerClass.samples[1], "name")
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== 'b')
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def test_none_transformer_pipeline(self):
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self.pipeline_cfg[0]['transformers'] = None
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], 'name') == 'a')
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def test_empty_transformer_pipeline(self):
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self.pipeline_cfg[0]['transformers'] = []
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], 'name') == 'a')
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def test_multiple_transformer_same_class(self):
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self.pipeline_cfg[0]['transformers'] = [
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{
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'name': 'update',
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'parameters': {}
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},
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{
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'name': 'update',
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'parameters': {}
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},
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]
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.publisher.counters) == 1)
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self.assertTrue(getattr(self.publisher.counters[0], 'name')
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== 'a_update_update')
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self.assertTrue(len(self.TransformerClass.samples) == 2)
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self.assertTrue(getattr(self.TransformerClass.samples[0], 'name')
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== 'a')
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self.assertTrue(getattr(self.TransformerClass.samples[1], 'name')
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== 'a_update')
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def test_multiple_transformer_same_class_different_parameter(self):
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self.pipeline_cfg[0]['transformers'] = [
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{
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'name': 'update',
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'parameters':
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{
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"append_name": "_update",
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}
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},
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{
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'name': 'update',
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'parameters':
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{
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"append_name": "_new",
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}
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},
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]
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pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
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self.publisher_manager)
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pipe = pipeline_manager.pipelines_for_counter('a')[0]
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pipe.publish_counter(None, self.test_counter, None)
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self.assertTrue(len(self.TransformerClass.samples) == 2)
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self.assertTrue(getattr(self.TransformerClass.samples[0], 'name')
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== 'a')
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self.assertTrue(getattr(self.TransformerClass.samples[1], 'name')
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== 'a_update')
|
|
self.assertTrue(len(self.publisher.counters) == 1)
|
|
self.assertTrue(getattr(self.publisher.counters[0], 'name')
|
|
== 'a_update_new')
|
|
|
|
def test_multiple_transformer_drop_transformer(self):
|
|
self.pipeline_cfg[0]['transformers'] = [
|
|
{
|
|
'name': 'update',
|
|
'parameters':
|
|
{
|
|
"append_name": "_update",
|
|
}
|
|
},
|
|
{
|
|
'name': 'drop',
|
|
'parameters': {}
|
|
},
|
|
{
|
|
'name': 'update',
|
|
'parameters':
|
|
{
|
|
"append_name": "_new",
|
|
}
|
|
},
|
|
]
|
|
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
|
|
self.publisher_manager)
|
|
pipe = pipeline_manager.pipelines_for_counter('a')[0]
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
|
|
self.assertTrue(len(self.publisher.counters) == 0)
|
|
self.assertTrue(len(self.TransformerClass.samples) == 1)
|
|
self.assertTrue(getattr(self.TransformerClass.samples[0], 'name')
|
|
== 'a')
|
|
self.assertTrue(len(self.TransformerClassDrop.samples) == 1)
|
|
self.assertTrue(getattr(self.TransformerClassDrop.samples[0], 'name')
|
|
== 'a_update')
|
|
|
|
def test_multiple_publisher(self):
|
|
self.pipeline_cfg[0]['publishers'] = ['test', 'new']
|
|
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
|
|
self.publisher_manager)
|
|
pipe = pipeline_manager.pipelines_for_counter('a')[0]
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
|
|
self.assertTrue(len(self.publisher.counters) == 1)
|
|
self.assertTrue(len(self.new_publisher.counters) == 1)
|
|
self.assertTrue(getattr(self.new_publisher.counters[0], 'name')
|
|
== 'a_update')
|
|
self.assertTrue(getattr(self.publisher.counters[0], 'name')
|
|
== 'a_update')
|
|
|
|
def test_multiple_publisher_isolation(self):
|
|
self.pipeline_cfg[0]['publishers'] = ['except', 'new']
|
|
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
|
|
self.publisher_manager)
|
|
pipe = pipeline_manager.pipelines_for_counter('a')[0]
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
|
|
self.assertTrue(len(self.new_publisher.counters) == 1)
|
|
self.assertTrue(getattr(self.new_publisher.counters[0], 'name')
|
|
== 'a_update')
|
|
|
|
def test_multiple_counter_pipeline(self):
|
|
self.pipeline_cfg[0]['counters'] = ['a', 'b']
|
|
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
|
|
self.publisher_manager)
|
|
pipe = pipeline_manager.pipelines_for_counter('a')[0]
|
|
pipe_1 = pipeline_manager.pipelines_for_counter('b')[0]
|
|
self.assertTrue(pipe is pipe_1)
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
self.test_counter = self.test_counter._replace(name='b')
|
|
pipe_1.publish_counter(None, self.test_counter, None)
|
|
self.assertTrue(len(self.publisher.counters) == 2)
|
|
self.assertTrue(getattr(self.publisher.counters[0], 'name')
|
|
== 'a_update')
|
|
self.assertTrue(getattr(self.publisher.counters[1], 'name')
|
|
== 'b_update')
|
|
|
|
def test_flush_pipeline_cache(self):
|
|
self.pipeline_cfg[0]['transformers'].extend([
|
|
{
|
|
'name': 'cache',
|
|
'parameters': {}
|
|
},
|
|
{
|
|
'name': 'update',
|
|
'parameters':
|
|
{
|
|
'append_name': '_new'
|
|
}
|
|
}, ]
|
|
)
|
|
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
|
|
self.publisher_manager)
|
|
pipe = pipeline_manager.pipelines_for_counter('a')[0]
|
|
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
self.assertTrue(len(self.TransformerClassCache.caches) == 1)
|
|
self.assertTrue(len(self.TransformerClass.samples) == 1)
|
|
self.assertTrue(len(self.publisher.counters) == 0)
|
|
pipe.flush(None, None)
|
|
self.assertTrue(len(self.publisher.counters) == 1)
|
|
self.assertTrue(len(self.TransformerClass.samples) == 2)
|
|
self.assertTrue(len(self.TransformerClassCache.caches) == 1)
|
|
self.assertTrue(getattr(self.publisher.counters[0], 'name')
|
|
== 'a_update_new')
|
|
|
|
def test_flush_pipeline_cache_multiple_counter(self):
|
|
self.pipeline_cfg[0]['transformers'].extend([
|
|
{
|
|
'name': 'cache',
|
|
'parameters': {}
|
|
},
|
|
{
|
|
'name': 'update',
|
|
'parameters':
|
|
{
|
|
'append_name': '_new'
|
|
}
|
|
}, ]
|
|
)
|
|
self.pipeline_cfg[0]['counters'] = ['a', 'b']
|
|
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
|
|
self.publisher_manager)
|
|
pipe = pipeline_manager.pipelines_for_counter('a')[0]
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
self.test_counter = self.test_counter._replace(name='b')
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
self.assertTrue(len(self.TransformerClassCache.caches) == 2)
|
|
self.assertTrue(len(self.TransformerClass.samples) == 2)
|
|
self.assertTrue(len(self.publisher.counters) == 0)
|
|
pipe.flush(None, None)
|
|
self.assertTrue(len(self.publisher.counters) == 2)
|
|
self.assertTrue(len(self.TransformerClassCache.caches) == 2)
|
|
self.assertTrue(len(self.TransformerClass.samples) == 4)
|
|
self.assertTrue(getattr(self.publisher.counters[0], 'name')
|
|
== 'a_update_new')
|
|
self.assertTrue(getattr(self.publisher.counters[1], 'name')
|
|
== 'b_update_new')
|
|
|
|
def test_flush_pipeline_cache_before_publisher(self):
|
|
self.pipeline_cfg[0]['transformers'].append({
|
|
'name': 'cache',
|
|
'parameters': {}
|
|
})
|
|
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
|
|
self.publisher_manager)
|
|
pipe = pipeline_manager.pipelines_for_counter('a')[0]
|
|
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
self.assertTrue(len(self.TransformerClassCache.caches) == 1)
|
|
self.assertTrue(len(self.publisher.counters) == 0)
|
|
pipe.flush(None, None)
|
|
self.assertTrue(len(self.publisher.counters) == 1)
|
|
self.assertTrue(getattr(self.publisher.counters[0], 'name')
|
|
== 'a_update')
|
|
|
|
def test_variable_counter(self):
|
|
self.pipeline_cfg = [{
|
|
'name': "test_pipeline",
|
|
'interval': 5,
|
|
'counters': ['a:*'],
|
|
'transformers': [
|
|
{'name': "update",
|
|
'parameters': {}}
|
|
],
|
|
'publishers': ["test"],
|
|
}, ]
|
|
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
|
|
self.publisher_manager)
|
|
pipe = pipeline_manager.pipelines_for_counter('a:*')[0]
|
|
|
|
self.test_counter = self.test_counter._replace(name='a:b')
|
|
pipe.publish_counter(None, self.test_counter, None)
|
|
|
|
self.assertTrue(len(self.publisher.counters) == 1)
|
|
self.assertTrue(len(self.TransformerClass.samples) == 1)
|
|
self.assertTrue(getattr(self.publisher.counters[0], "name")
|
|
== 'a:b_update')
|
|
self.assertTrue(getattr(self.TransformerClass.samples[0], "name")
|
|
== 'a:b')
|