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#
# Copyright 2015 Intel Corp.
#
# 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.
from unittest import mock
import fixtures
from oslo_utils import fileutils
import yaml
from ceilometer import declarative
from ceilometer.hardware.inspector import base as inspector_base
from ceilometer.hardware.pollsters import generic
from ceilometer import sample
from ceilometer import service
from ceilometer.tests import base as test_base
class TestMeterDefinition(test_base.BaseTestCase):
def test_config_definition(self):
cfg = dict(name='test',
type='gauge',
unit='B',
snmp_inspector={})
definition = generic.MeterDefinition(cfg)
self.assertEqual('test', definition.name)
self.assertEqual('gauge', definition.type)
self.assertEqual('B', definition.unit)
self.assertEqual({}, definition.snmp_inspector)
def test_config_missing_field(self):
cfg = dict(name='test', type='gauge')
try:
generic.MeterDefinition(cfg)
except declarative.MeterDefinitionException as e:
self.assertEqual("Missing field unit", e.brief_message)
def test_config_invalid_field(self):
cfg = dict(name='test',
type='gauge',
unit='B',
invalid={})
definition = generic.MeterDefinition(cfg)
self.assertEqual("foobar", getattr(definition, 'invalid', 'foobar'))
def test_config_invalid_type_field(self):
cfg = dict(name='test',
type='invalid',
unit='B',
snmp_inspector={})
try:
generic.MeterDefinition(cfg)
except declarative.MeterDefinitionException as e:
self.assertEqual("Unrecognized type value invalid",
e.brief_message)
def test_config_missing_unit_field(self):
cfg = dict(name='hardware.cpu.user',
snmp_inspector={"matching_type": "type_exact",
"oid": "1.3.6.1.4.1.2021.11.50.0",
"type": "int"})
try:
generic.MeterDefinition(cfg)
except declarative.MeterDefinitionException as e:
self.assertEqual("Missing field unit",
e.brief_message)
@mock.patch('ceilometer.hardware.pollsters.generic.LOG')
def test_bad_metric_skip(self, LOG):
cfg = {'metric': [dict(name='test1',
type='gauge',
unit='B',
snmp_inspector={}),
dict(name='test_bad',
type='invalid',
unit='B',
snmp_inspector={}),
dict(name='test2',
type='gauge',
unit='B',
snmp_inspector={})]}
data = generic.load_definition(cfg)
self.assertEqual(2, len(data))
LOG.error.assert_called_with(
"Error loading meter definition: %s",
"Unrecognized type value invalid")
class FakeInspector(inspector_base.Inspector):
net_metadata = dict(name='test.teest',
mac='001122334455',
ip='10.0.0.2',
speed=1000)
DATA = {
'test': (0.99, {}, {}),
'test2': (90, net_metadata, {}),
}
def inspect_generic(self, host, cache,
extra_metadata=None, param=None):
yield self.DATA[host.hostname]
class TestGenericPollsters(test_base.BaseTestCase):
@staticmethod
def faux_get_inspector(url, namespace=None):
return FakeInspector()
def setUp(self):
super(TestGenericPollsters, self).setUp()
self.conf = service.prepare_service([], [])
self.resources = ["snmp://test", "snmp://test2"]
self.useFixture(fixtures.MockPatch(
'ceilometer.hardware.inspector.get_inspector',
self.faux_get_inspector))
self.pollster = generic.GenericHardwareDeclarativePollster(self.conf)
def _setup_meter_def_file(self, cfg):
cfg = cfg.encode('utf-8')
meter_cfg_file = fileutils.write_to_tempfile(content=cfg,
prefix="snmp",
suffix="yaml")
self.conf.set_override(
'meter_definitions_file',
meter_cfg_file, group='hardware')
cfg = declarative.load_definitions(
self.conf, {}, self.conf.hardware.meter_definitions_file)
return cfg
def _check_get_samples(self, name, definition,
expected_value, expected_type, expected_unit=None):
self.pollster._update_meter_definition(definition)
cache = {}
samples = list(self.pollster.get_samples(None, cache,
self.resources))
self.assertTrue(samples)
self.assertIn(self.pollster.CACHE_KEY, cache)
for resource in self.resources:
self.assertIn(resource, cache[self.pollster.CACHE_KEY])
self.assertEqual(set([name]),
set([s.name for s in samples]))
match = [s for s in samples if s.name == name]
self.assertEqual(expected_value, match[0].volume)
self.assertEqual(expected_type, match[0].type)
if expected_unit:
self.assertEqual(expected_unit, match[0].unit)
def test_get_samples(self):
param = dict(matching_type='type_exact',
oid='1.3.6.1.4.1.2021.10.1.3.1',
type='lambda x: float(str(x))')
meter_def = generic.MeterDefinition(dict(type='gauge',
name='hardware.test1',
unit='process',
snmp_inspector=param))
self._check_get_samples('hardware.test1',
meter_def,
0.99, sample.TYPE_GAUGE,
expected_unit='process')
def test_get_pollsters_extensions(self):
param = dict(matching_type='type_exact',
oid='1.3.6.1.4.1.2021.10.1.3.1',
type='lambda x: float(str(x))')
meter_cfg = yaml.dump(
{'metric': [dict(type='gauge',
name='hardware.test1',
unit='process',
snmp_inspector=param),
dict(type='gauge',
name='hardware.test2.abc',
unit='process',
snmp_inspector=param)]})
self._setup_meter_def_file(meter_cfg)
pollster = generic.GenericHardwareDeclarativePollster
# Clear cached mapping
pollster.mapping = None
exts = pollster.get_pollsters_extensions(self.conf)
self.assertEqual(2, len(exts))
self.assertIn(exts[0].name, ['hardware.test1', 'hardware.test2.abc'])
self.assertIn(exts[1].name, ['hardware.test1', 'hardware.test2.abc'])
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