aodh/ceilometer/tests/test_decoupled_pipeline.py
liu-sheng acfcb91186 Add per device rate metrics for instances
This change add pipline configuration support to gether per device
rate metrics for instance. The per device rate metrics for instances
is transform from the metrics of per devices for instances by adding
metrics to disk_pipline in pipline cfg. These metrics will be independent
of the support of per devices rate metrics provided by inspector.

This thange will add the following metrics:
  - "disk.device.read.bytes.rate"
  - "disk.device.read.requests.rate"
  - "disk.device.write.bytes.rate"
  - "disk.device.write.requests.rate"

Change-Id: I908ab40cc77966238944060e33603c5f4c440634
2014-10-30 23:14:59 +08:00

263 lines
10 KiB
Python

#
# Copyright 2014 Red Hat, Inc
#
# Author: Eoghan Glynn <eglynn@redhat.com>
#
# 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 yaml
from ceilometer import pipeline
from ceilometer import sample
from ceilometer.tests import pipeline_base
class TestDecoupledPipeline(pipeline_base.BasePipelineTestCase):
def _setup_pipeline_cfg(self):
source = {'name': 'test_source',
'interval': 5,
'counters': ['a'],
'resources': [],
'sinks': ['test_sink']}
sink = {'name': 'test_sink',
'transformers': [{'name': 'update', 'parameters': {}}],
'publishers': ['test://']}
self.pipeline_cfg = {'sources': [source], 'sinks': [sink]}
def _augment_pipeline_cfg(self):
self.pipeline_cfg['sources'].append({
'name': 'second_source',
'interval': 5,
'counters': ['b'],
'resources': [],
'sinks': ['second_sink']
})
self.pipeline_cfg['sinks'].append({
'name': 'second_sink',
'transformers': [{
'name': 'update',
'parameters':
{
'append_name': '_new',
}
}],
'publishers': ['new'],
})
def _break_pipeline_cfg(self):
self.pipeline_cfg['sources'].append({
'name': 'second_source',
'interval': 5,
'counters': ['b'],
'resources': [],
'sinks': ['second_sink']
})
self.pipeline_cfg['sinks'].append({
'name': 'second_sink',
'transformers': [{
'name': 'update',
'parameters':
{
'append_name': '_new',
}
}],
'publishers': ['except'],
})
def _set_pipeline_cfg(self, field, value):
if field in self.pipeline_cfg['sources'][0]:
self.pipeline_cfg['sources'][0][field] = value
else:
self.pipeline_cfg['sinks'][0][field] = value
def _extend_pipeline_cfg(self, field, value):
if field in self.pipeline_cfg['sources'][0]:
self.pipeline_cfg['sources'][0][field].extend(value)
else:
self.pipeline_cfg['sinks'][0][field].extend(value)
def _unset_pipeline_cfg(self, field):
if field in self.pipeline_cfg['sources'][0]:
del self.pipeline_cfg['sources'][0][field]
else:
del self.pipeline_cfg['sinks'][0][field]
def test_source_no_sink(self):
del self.pipeline_cfg['sinks']
self._exception_create_pipelinemanager()
def test_source_dangling_sink(self):
self.pipeline_cfg['sources'].append({
'name': 'second_source',
'interval': 5,
'counters': ['b'],
'resources': [],
'sinks': ['second_sink']
})
self._exception_create_pipelinemanager()
def test_sink_no_source(self):
del self.pipeline_cfg['sources']
self._exception_create_pipelinemanager()
def test_source_with_multiple_sinks(self):
counter_cfg = ['a', 'b']
self._set_pipeline_cfg('counters', counter_cfg)
self.pipeline_cfg['sinks'].append({
'name': 'second_sink',
'transformers': [{
'name': 'update',
'parameters':
{
'append_name': '_new',
}
}],
'publishers': ['new'],
})
self.pipeline_cfg['sources'][0]['sinks'].append('second_sink')
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
self.transformer_manager)
with pipeline_manager.publisher(None) as p:
p([self.test_counter])
self.test_counter = sample.Sample(
name='b',
type=self.test_counter.type,
volume=self.test_counter.volume,
unit=self.test_counter.unit,
user_id=self.test_counter.user_id,
project_id=self.test_counter.project_id,
resource_id=self.test_counter.resource_id,
timestamp=self.test_counter.timestamp,
resource_metadata=self.test_counter.resource_metadata,
)
with pipeline_manager.publisher(None) as p:
p([self.test_counter])
self.assertEqual(len(pipeline_manager.pipelines), 2)
self.assertEqual(str(pipeline_manager.pipelines[0]),
'test_source:test_sink')
self.assertEqual(str(pipeline_manager.pipelines[1]),
'test_source:second_sink')
test_publisher = pipeline_manager.pipelines[0].publishers[0]
new_publisher = pipeline_manager.pipelines[1].publishers[0]
for publisher, sfx in [(test_publisher, '_update'),
(new_publisher, '_new')]:
self.assertEqual(len(publisher.samples), 2)
self.assertEqual(publisher.calls, 2)
self.assertEqual(getattr(publisher.samples[0], "name"), 'a' + sfx)
self.assertEqual(getattr(publisher.samples[1], "name"), 'b' + sfx)
def test_multiple_sources_with_single_sink(self):
self.pipeline_cfg['sources'].append({
'name': 'second_source',
'interval': 5,
'counters': ['b'],
'resources': [],
'sinks': ['test_sink']
})
pipeline_manager = pipeline.PipelineManager(self.pipeline_cfg,
self.transformer_manager)
with pipeline_manager.publisher(None) as p:
p([self.test_counter])
self.test_counter = sample.Sample(
name='b',
type=self.test_counter.type,
volume=self.test_counter.volume,
unit=self.test_counter.unit,
user_id=self.test_counter.user_id,
project_id=self.test_counter.project_id,
resource_id=self.test_counter.resource_id,
timestamp=self.test_counter.timestamp,
resource_metadata=self.test_counter.resource_metadata,
)
with pipeline_manager.publisher(None) as p:
p([self.test_counter])
self.assertEqual(len(pipeline_manager.pipelines), 2)
self.assertEqual(str(pipeline_manager.pipelines[0]),
'test_source:test_sink')
self.assertEqual(str(pipeline_manager.pipelines[1]),
'second_source:test_sink')
test_publisher = pipeline_manager.pipelines[0].publishers[0]
another_publisher = pipeline_manager.pipelines[1].publishers[0]
for publisher in [test_publisher, another_publisher]:
self.assertEqual(len(publisher.samples), 2)
self.assertEqual(publisher.calls, 2)
self.assertEqual(getattr(publisher.samples[0], "name"), 'a_update')
self.assertEqual(getattr(publisher.samples[1], "name"), 'b_update')
transformed_samples = self.TransformerClass.samples
self.assertEqual(len(transformed_samples), 2)
self.assertEqual([getattr(s, 'name') for s in transformed_samples],
['a', 'b'])
def _do_test_rate_of_change_in_boilerplate_pipeline_cfg(self, index,
meters, units):
with open('etc/ceilometer/pipeline.yaml') as fap:
data = fap.read()
pipeline_cfg = yaml.safe_load(data)
for s in pipeline_cfg['sinks']:
s['publishers'] = ['test://']
pipeline_manager = pipeline.PipelineManager(pipeline_cfg,
self.transformer_manager)
pipe = pipeline_manager.pipelines[index]
self._do_test_rate_of_change_mapping(pipe, meters, units)
def test_rate_of_change_boilerplate_disk_read_cfg(self):
meters = ('disk.read.bytes', 'disk.read.requests')
units = ('B', 'request')
self._do_test_rate_of_change_in_boilerplate_pipeline_cfg(2,
meters,
units)
def test_rate_of_change_boilerplate_disk_write_cfg(self):
meters = ('disk.write.bytes', 'disk.write.requests')
units = ('B', 'request')
self._do_test_rate_of_change_in_boilerplate_pipeline_cfg(2,
meters,
units)
def test_rate_of_change_boilerplate_network_incoming_cfg(self):
meters = ('network.incoming.bytes', 'network.incoming.packets')
units = ('B', 'packet')
self._do_test_rate_of_change_in_boilerplate_pipeline_cfg(3,
meters,
units)
def test_rate_of_change_boilerplate_per_disk_device_read_cfg(self):
meters = ('disk.device.read.bytes', 'disk.device.read.requests')
units = ('B', 'request')
self._do_test_rate_of_change_in_boilerplate_pipeline_cfg(2,
meters,
units)
def test_rate_of_change_boilerplate_per_disk_device_write_cfg(self):
meters = ('disk.device.write.bytes', 'disk.device.write.requests')
units = ('B', 'request')
self._do_test_rate_of_change_in_boilerplate_pipeline_cfg(2,
meters,
units)
def test_rate_of_change_boilerplate_network_outgoing_cfg(self):
meters = ('network.outgoing.bytes', 'network.outgoing.packets')
units = ('B', 'packet')
self._do_test_rate_of_change_in_boilerplate_pipeline_cfg(3,
meters,
units)