Source code for octavia.amphorae.driver_exceptions.exceptions
# 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.
from oslo_utils import excutils
from octavia.i18n import _
[docs]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 self.msg
[docs] @staticmethod
def use_fatal_exceptions():
"""Return True if use fatal exceptions by raising them."""
return False
[docs]class NotFoundError(AmphoraDriverError):
message = _('this amphora couldn\'t be found')
[docs]class InfoException(AmphoraDriverError):
message = _('gathering information about this amphora failed')
[docs]class MetricsException(AmphoraDriverError):
message = _('gathering metrics failed')
[docs]class UnauthorizedException(AmphoraDriverError):
message = _('the driver can\'t access the amphora')
[docs]class StatisticsException(AmphoraDriverError):
message = _('gathering statistics failed')
[docs]class TimeOutException(AmphoraDriverError):
message = _('contacting the amphora timed out')
[docs]class DeleteFailed(AmphoraDriverError):
message = _('this load balancer couldn\'t be deleted')
[docs]class SuspendFailed(AmphoraDriverError):
message = _('this load balancer couldn\'t be suspended')
[docs]class EnableFailed(AmphoraDriverError):
message = _('this load balancer couldn\'t be enabled')
[docs]class ArchiveException(AmphoraDriverError):
message = _('couldn\'t archive the logs')
[docs]class ProvisioningErrors(AmphoraDriverError):
message = _('Super class for provisioning amphora errors')
[docs]class ListenerProvisioningError(ProvisioningErrors):
message = _('couldn\'t provision Listener')
[docs]class LoadBalancerProvisoningError(ProvisioningErrors):
message = _('couldn\'t provision LoadBalancer')
[docs]class HealthMonitorProvisioningError(ProvisioningErrors):
message = _('couldn\'t provision HealthMonitor')
[docs]class NodeProvisioningError(ProvisioningErrors):
message = _('couldn\'t provision Node')
[docs]class AmpDriverNotImplementedError(AmphoraDriverError):
message = _('Amphora does not implement this feature.')
[docs]class AmpConnectionRetry(AmphoraDriverError):
message = _('Could not connect to amphora, exception caught: '
'%(exception)s')