Source code for ironic_lib.tests.test_metrics_utils

# 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 oslotest import base as test_base

from oslo_config import cfg

from ironic_lib import exception
from ironic_lib import metrics as metricslib
from ironic_lib import metrics_statsd
from ironic_lib import metrics_utils

CONF = cfg.CONF


[docs]class TestGetLogger(test_base.BaseTestCase):
[docs] def setUp(self): super(TestGetLogger, self).setUp()
[docs] def test_default_backend(self): metrics = metrics_utils.get_metrics_logger('foo') self.assertIsInstance(metrics, metricslib.NoopMetricLogger)
[docs] 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')
[docs] def test_nonexisting_backend(self): CONF.set_override('backend', 'none', group='metrics') self.assertRaises(exception.InvalidMetricConfig, metrics_utils.get_metrics_logger, 'foo') CONF.clear_override('backend', group='metrics')
[docs] def test_numeric_prefix(self): self.assertRaises(exception.InvalidMetricConfig, metrics_utils.get_metrics_logger, 1)
[docs] def test_numeric_list_prefix(self): self.assertRaises(exception.InvalidMetricConfig, metrics_utils.get_metrics_logger, (1, 2))
[docs] def test_default_prefix(self): metrics = metrics_utils.get_metrics_logger() self.assertIsInstance(metrics, metricslib.NoopMetricLogger) self.assertEqual(metrics.get_metric_name("bar"), "bar")
[docs] 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')
[docs] 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')
[docs] 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")
[docs] 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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