octavia/octavia/amphorae/driver_exceptions/exceptions.py

124 lines
3.1 KiB
Python

# Copyright 2011-2014 OpenStack Foundation,author: Min Wang,German Eichberger
#
# 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.
import six
from oslo_utils import excutils
from octavia.i18n import _
class AmphoraDriverError(Exception):
message = _("A super class for all other exceptions and the catch.")
def __init__(self, **kwargs):
try:
super(AmphoraDriverError, self).__init__(self.message % kwargs)
self.msg = self.message % kwargs
except Exception:
with excutils.save_and_reraise_exception() as ctxt:
if not self.use_fatal_exceptions():
ctxt.reraise = False
# at least get the core message out if something happened
super(AmphoraDriverError, self).__init__(self.message)
def __unicode__(self):
return six.text_type(self.msg)
@staticmethod
def use_fatal_exceptions():
"""Return True if use fatal exceptions by raising them."""
return False
class NotFoundError(AmphoraDriverError):
message = _('this amphora couldn\'t be found')
class InfoException(AmphoraDriverError):
message = _('gathering information about this amphora failed')
class MetricsException(AmphoraDriverError):
message = _('gathering metrics failed')
class UnauthorizedException(AmphoraDriverError):
message = _('the driver can\'t access the amphora')
class StatisticsException(AmphoraDriverError):
message = _('gathering statistics failed')
class TimeOutException(AmphoraDriverError):
message = _('contacting the amphora timed out')
class DeleteFailed(AmphoraDriverError):
message = _('this load balancer couldn\'t be deleted')
class SuspendFailed(AmphoraDriverError):
message = _('this load balancer couldn\'t be suspended')
class EnableFailed(AmphoraDriverError):
message = _('this load balancer couldn\'t be enabled')
class ArchiveException(AmphoraDriverError):
message = _('couldn\'t archive the logs')
class ProvisioningErrors(AmphoraDriverError):
message = _('Super class for provisioning amphora errors')
class ListenerProvisioningError(ProvisioningErrors):
message = _('couldn\'t provision Listener')
class LoadBalancerProvisoningError(ProvisioningErrors):
message = _('couldn\'t provision LoadBalancer')
class HealthMonitorProvisioningError(ProvisioningErrors):
message = _('couldn\'t provision HealthMonitor')
class NodeProvisioningError(ProvisioningErrors):
message = _('couldn\'t provision Node')
class AmpDriverNotImplementedError(AmphoraDriverError):
message = _('Amphora does not implement this feature.')