a3790b1555
This patch provides basic event handling pipeline components. The EventPipeline class provided by this patch will serve as a base class for ControllerEventPipeline and CNIEventPipeline classes that are to be implemented by future patches. Change-Id: I8c68941cbe323f80cd67341fe05656efd57bcdc5 Partially-Implements: blueprint kuryr-k8s-integration
41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from kuryr.lib._i18n import _LE
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from oslo_log import log as logging
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from kuryr_kubernetes.handlers import base
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LOG = logging.getLogger(__name__)
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class LogExceptions(base.EventHandler):
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"""Suppresses exceptions and sends them to log.
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LogExceptions wraps `handler` passed as an initialization parameter by
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suppressing `exceptions` it raises and sending them to logging facility
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instead.
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"""
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def __init__(self, handler, exceptions=Exception):
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self._handler = handler
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self._exceptions = exceptions
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def __call__(self, event):
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try:
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self._handler(event)
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except self._exceptions:
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LOG.exception(_LE("Failed to handle event %s"), event)
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