138 lines
4.1 KiB
Python
138 lines
4.1 KiB
Python
# 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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import sys
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from oslo_config import cfg
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from oslo_log import log as logging
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import six
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from gbpservice._i18n import _
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LOG = logging.getLogger(__name__)
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exc_log_opts = [
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cfg.BoolOpt('fatal_exception_format_errors',
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default=False,
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help='Make exception message format errors fatal.'),
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]
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CONF = cfg.CONF
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CONF.register_opts(exc_log_opts)
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class NFPException(Exception):
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"""Base NFP Exception
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To correctly use this class, inherit from it and define
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a 'message' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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message = _("An unknown exception occurred.")
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code = 500
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headers = {}
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safe = False
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def __init__(self, message=None, **kwargs):
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self.kwargs = kwargs
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self.kwargs['message'] = message
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if 'code' not in self.kwargs:
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try:
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self.kwargs['code'] = self.code
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except AttributeError:
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pass
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for k, v in list(self.kwargs.items()):
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if isinstance(v, Exception):
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self.kwargs[k] = six.text_type(v)
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if self._should_format():
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try:
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message = self.message % kwargs
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except Exception:
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exc_info = sys.exc_info()
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# kwargs doesn't match a variable in the message
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# log the issue and the kwargs
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LOG.exception('Exception in string format operation')
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for name, value in list(kwargs.items()):
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LOG.error("%(name)s: %(value)s",
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{'name': name, 'value': value})
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if CONF.fatal_exception_format_errors:
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six.reraise(*exc_info)
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# at least get the core message out if something happened
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message = self.message
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elif isinstance(message, Exception):
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message = six.text_type(message)
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self.msg = message
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super(NFPException, self).__init__(message)
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def _should_format(self):
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return self.kwargs['message'] is None or '%(message)' in self.message
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def __unicode__(self):
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return six.text_type(self.msg)
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class NotFound(NFPException):
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message = _("Resource could not be found.")
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code = 404
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safe = True
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class NetworkFunctionNotFound(NotFound):
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message = _("NetworkFunction %(network_function_id)s could not be found")
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class NetworkFunctionInstanceNotFound(NotFound):
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message = _("NetworkFunctionInstance %(network_function_instance_id)s "
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"could not be found")
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class NetworkFunctionDeviceNotFound(NotFound):
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message = _("NetworkFunctionDevice %(network_function_device_id)s could "
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"not be found")
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class NetworkFunctionDeviceInterfaceNotFound(NotFound):
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message = _("NetworkFunctionDeviceInterface "
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"%(network_function_device_interface_id)s could "
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"not be found")
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class NFPPortNotFound(NotFound):
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message = _("NFP Port %(port_id)s could not be found")
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class RequiredDataNotProvided(NFPException):
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message = _("The required data %(required_data)s is missing in "
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"%(request)s")
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class IncompleteData(NFPException):
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message = _("Data passed is incomplete")
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class NotSupported(NFPException):
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message = _("Feature is not supported")
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class ComputePolicyNotSupported(NotSupported):
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message = _("Compute policy %(compute_policy)s is not supported")
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class HotplugNotSupported(NotSupported):
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message = _("Vendor %(vendor)s doesn't support hotplug feature")
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