247 lines
7.1 KiB
Python
247 lines
7.1 KiB
Python
# Copyright 2015 Huawei Technologies Co., Ltd.
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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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"""
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Tricircle base exception handling.
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"""
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import six
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from neutron_lib import exceptions
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from oslo_log import log as logging
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from tricircle.common.i18n import _
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LOG = logging.getLogger(__name__)
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class TricircleException(Exception):
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"""Base Tricircle 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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self.kwargs['code'] = self.code
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for k, v in 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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# kwargs doesn't match a variable in the message
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# log the issue and the kwargs
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exc_info = _('Exception class %s in string '
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'format operation') % type(self).__name__
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format_str = _('%(exception_info)s ; %(format_key)s : '
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'%(format_value)s')
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for name, value in kwargs.items():
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exc_info = format_str % {
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'exception_info': exc_info,
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'format_key': name,
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'format_value': six.text_type(value)}
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exc_info = _('%(message)s ; %(exception_info)s') % {
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'message': self.message, 'exception_info': exc_info}
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LOG.exception(exc_info)
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# no rerasie
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# exc_info = sys.exc_info()
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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(TricircleException, self).__init__(message)
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def _should_format(self):
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if self.kwargs['message'] is None and '%(message)' in self.message:
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LOG.error('\%(message)s in message '
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'but init parameter is None')
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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 BadRequest(TricircleException):
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message = _('Bad %(resource)s request: %(msg)s')
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class NotFound(TricircleException):
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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 Conflict(TricircleException):
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pass
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class NotAuthorized(TricircleException):
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message = _("Not authorized.")
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class ServiceUnavailable(TricircleException):
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message = _("The service is unavailable")
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class AdminRequired(NotAuthorized):
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message = _("User does not have admin privileges")
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class PolicyNotAuthorized(NotAuthorized):
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message = _("Policy doesn't allow this operation to be performed.")
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class InUse(TricircleException):
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message = _("The resource is inuse")
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class InvalidConfigurationOption(TricircleException):
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message = _("An invalid value was provided for %(opt_name)s: "
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"%(opt_value)s")
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class EndpointNotAvailable(TricircleException):
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message = "Endpoint %(url)s for %(service)s is not available"
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def __init__(self, service, url):
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super(EndpointNotAvailable, self).__init__(service=service, url=url)
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class EndpointNotUnique(TricircleException):
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message = "Endpoint for %(service)s in %(pod)s not unique"
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def __init__(self, pod, service):
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super(EndpointNotUnique, self).__init__(pod=pod, service=service)
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class EndpointNotFound(TricircleException):
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message = "Endpoint for %(service)s in %(pod)s not found"
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def __init__(self, pod, service):
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super(EndpointNotFound, self).__init__(pod=pod, service=service)
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class ResourceNotFound(TricircleException):
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message = "Could not find %(resource_type)s: %(unique_key)s"
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def __init__(self, model, unique_key):
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resource_type = model.__name__.lower()
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super(ResourceNotFound, self).__init__(resource_type=resource_type,
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unique_key=unique_key)
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class ResourceNotSupported(TricircleException):
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message = "%(method)s method not supported for %(resource)s"
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def __init__(self, resource, method):
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super(ResourceNotSupported, self).__init__(resource=resource,
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method=method)
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class Invalid(TricircleException):
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message = _("Unacceptable parameters.")
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code = 400
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class InvalidInput(Invalid):
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message = _("Invalid input received: %(reason)s")
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class ExternalNetPodNotSpecify(TricircleException):
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message = "Pod for external network not specified"
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def __init__(self):
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super(ExternalNetPodNotSpecify, self).__init__()
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class PodNotFound(NotFound):
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message = "Pod %(region_name)s could not be found."
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def __init__(self, region_name):
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super(PodNotFound, self).__init__(region_name=region_name)
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# parameter validation error
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class ValidationError(TricircleException):
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message = _("%(msg)s")
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code = 400
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# parameter validation error
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class HTTPForbiddenError(TricircleException):
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message = _("%(msg)s")
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code = 403
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class Duplicate(TricircleException):
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pass
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class ServerMappingsNotFound(NotFound):
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message = _('Instance %(server_id)s could not be found.')
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class VolumeMappingsNotFound(NotFound):
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message = _('Volume %(volume_id)s could not be found')
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class RoutingCreateFail(TricircleException):
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message = _("Fail to create %s routing entry %(_type)s")
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def __init__(self, _type):
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super(RoutingCreateFail, self).__init__(_type=_type)
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class RoutingBindFail(TricircleException):
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message = _("Fail to bind top and bottom %(_type)s")
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def __init__(self, _type):
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super(RoutingBindFail, self).__init__(_type=_type)
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class RouterNetworkLocationMismatch(exceptions.InvalidInput):
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message = _("router located in %(router_az_hint)s, but network located "
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"in %(net_az_hints)s, location mismatch.")
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def __init__(self, router_az_hints, net_az_hints):
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super(RouterNetworkLocationMismatch, self).__init__(
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router_az_hint=router_az_hints, net_az_hints=net_az_hints)
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