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# Copyright 2016 Rackspace Hosting
# All Rights Reserved
#
# 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 oslo_config import cfg
from ironic_python_agent import errors
from ironic_python_agent.metrics_lib import metrics as metricslib
from ironic_python_agent.metrics_lib import metrics_statsd
from ironic_python_agent.metrics_lib import metrics_utils
from ironic_python_agent.tests.unit import base
CONF = cfg.CONF
class TestGetLogger(base.IronicAgentTest):
def setUp(self):
super(TestGetLogger, self).setUp()
def test_default_backend(self):
metrics = metrics_utils.get_metrics_logger('foo')
self.assertIsInstance(metrics, metricslib.NoopMetricLogger)
def test_statsd_backend(self):
CONF.set_override('backend', 'statsd', group='metrics')
metrics = metrics_utils.get_metrics_logger('foo')
self.assertIsInstance(metrics, metrics_statsd.StatsdMetricLogger)
CONF.clear_override('backend', group='metrics')
def test_nonexisting_backend(self):
self.assertRaises(errors.InvalidMetricConfig,
metrics_utils.get_metrics_logger, 'foo', 'test')
def test_numeric_prefix(self):
self.assertRaises(errors.InvalidMetricConfig,
metrics_utils.get_metrics_logger, 1)
def test_numeric_list_prefix(self):
self.assertRaises(errors.InvalidMetricConfig,
metrics_utils.get_metrics_logger, (1, 2))
def test_default_prefix(self):
metrics = metrics_utils.get_metrics_logger()
self.assertIsInstance(metrics, metricslib.NoopMetricLogger)
self.assertEqual(metrics.get_metric_name("bar"), "bar")
def test_prepend_host_backend(self):
CONF.set_override('prepend_host', True, group='metrics')
CONF.set_override('prepend_host_reverse', False, group='metrics')
metrics = metrics_utils.get_metrics_logger(prefix='foo',
host="host.example.com")
self.assertIsInstance(metrics, metricslib.NoopMetricLogger)
self.assertEqual(metrics.get_metric_name("bar"),
"host.example.com.foo.bar")
CONF.clear_override('prepend_host', group='metrics')
CONF.clear_override('prepend_host_reverse', group='metrics')
def test_prepend_global_prefix_host_backend(self):
CONF.set_override('prepend_host', True, group='metrics')
CONF.set_override('prepend_host_reverse', False, group='metrics')
CONF.set_override('global_prefix', 'global_pre', group='metrics')
metrics = metrics_utils.get_metrics_logger(prefix='foo',
host="host.example.com")
self.assertIsInstance(metrics, metricslib.NoopMetricLogger)
self.assertEqual(metrics.get_metric_name("bar"),
"global_pre.host.example.com.foo.bar")
CONF.clear_override('prepend_host', group='metrics')
CONF.clear_override('prepend_host_reverse', group='metrics')
CONF.clear_override('global_prefix', group='metrics')
def test_prepend_other_delim(self):
metrics = metrics_utils.get_metrics_logger('foo', delimiter='*')
self.assertIsInstance(metrics, metricslib.NoopMetricLogger)
self.assertEqual(metrics.get_metric_name("bar"),
"foo*bar")
def test_prepend_host_reverse_backend(self):
CONF.set_override('prepend_host', True, group='metrics')
CONF.set_override('prepend_host_reverse', True, group='metrics')
metrics = metrics_utils.get_metrics_logger('foo',
host="host.example.com")
self.assertIsInstance(metrics, metricslib.NoopMetricLogger)
self.assertEqual(metrics.get_metric_name("bar"),
"com.example.host.foo.bar")
CONF.clear_override('prepend_host', group='metrics')
CONF.clear_override('prepend_host_reverse', group='metrics')
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