
Huge patch to fix logging message. Happy new year! Signed-off-by: Arnaud Morin <arnaud.morin@ovhcloud.com> Change-Id: I89a1f272928d8b125919c824e7f5b2bedf9fd9db
82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
# Copyright 2020 LINE Corp.
|
|
# 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_log import log as logging
|
|
from oslo_utils import importutils
|
|
|
|
from oslo_metrics import message_type
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
MODULE_LISTS = [
|
|
"oslo_metrics.metrics.oslo_messaging",
|
|
]
|
|
|
|
|
|
class MessageRouter():
|
|
|
|
def __init__(self):
|
|
self.modules = {}
|
|
for m_str in MODULE_LISTS:
|
|
mod = importutils.try_import(m_str, False)
|
|
if not mod:
|
|
LOG.error("Failed to load module %s" % m_str)
|
|
self.modules[m_str.split('.')[-1]] = mod
|
|
|
|
def process(self, raw_string):
|
|
try:
|
|
metric = message_type.Metric.from_json(raw_string.decode())
|
|
self.dispatch(metric)
|
|
except Exception as e:
|
|
LOG.error("Failed to parse: %s", e)
|
|
|
|
def dispatch(self, metric):
|
|
if metric.module not in self.modules:
|
|
LOG.error("Failed to lookup modules by %s" % metric.module)
|
|
return
|
|
mod = self.modules.get(metric.module)
|
|
|
|
# Get metric
|
|
try:
|
|
metric_definition = getattr(mod, metric.name)
|
|
except AttributeError as e:
|
|
LOG.error("Failed to load metrics %s: %s" % (metric.name, e))
|
|
return
|
|
|
|
# Get labels
|
|
try:
|
|
metric_with_label = getattr(metric_definition, "labels")
|
|
metric_with_label = metric_with_label(**metric.labels)
|
|
except AttributeError as e:
|
|
LOG.error("Failed to load labels func from metrics %s: %s" %
|
|
(metric.name, e))
|
|
return
|
|
LOG.info("Get labels with %s: %s" % (metric.name, metric.labels))
|
|
|
|
# perform action
|
|
try:
|
|
embed_action = getattr(metric_with_label, metric.action.action)
|
|
if metric.action.value is not None:
|
|
embed_action(metric.action.value)
|
|
else:
|
|
embed_action()
|
|
except AttributeError as e:
|
|
LOG.error("Failed to perform metric actionv %s, %s: %s" %
|
|
(metric.action.action, metric.action.value, e))
|
|
return
|
|
LOG.info("Perform action %s for %s metrics" %
|
|
(metric.action.action, metric.name))
|